import 'dotenv/config';

import { serve } from '@hono/node-server';
import { Hono } from 'hono';
import { cors } from 'hono/cors';
import { logger } from 'hono/logger';
import { swaggerUI } from '@hono/swagger-ui';

import { serveStatic } from '@hono/node-server/serve-static';
import authRoutes from './routes/auth.js';
import eventsRoutes from './routes/events.js';
import ticketsRoutes from './routes/tickets.js';
import usersRoutes from './routes/users.js';
import contactsRoutes from './routes/contacts.js';
import paymentsRoutes from './routes/payments.js';
import adminRoutes from './routes/admin.js';
import mediaRoutes from './routes/media.js';
import lnbitsRoutes from './routes/lnbits.js';
import emailsRoutes from './routes/emails.js';
import paymentOptionsRoutes from './routes/payment-options.js';
import dashboardRoutes from './routes/dashboard.js';
import emailService from './lib/email.js';

const app = new Hono();

// Middleware
app.use('*', logger());

// CORS: Only enable in development. In production, nginx handles CORS.
if (process.env.NODE_ENV !== 'production') {
  app.use('*', cors({
    origin: process.env.FRONTEND_URL || 'http://localhost:3002',
    credentials: true,
  }));
}

// OpenAPI specification
const openApiSpec = {
  openapi: '3.0.0',
  info: {
    title: 'Spanglish API',
    version: '2.0.0',
    description: 'API for Spanglish Language Exchange Event Platform - includes authentication, user dashboard, event management, tickets, payments, and more.',
    contact: {
      name: 'Spanglish',
      url: 'https://spanglish.com',
    },
  },
  servers: [
    {
      url: process.env.API_URL || 'http://localhost:3001',
      description: 'API Server',
    },
  ],
  tags: [
    { name: 'Auth', description: 'Authentication and account management' },
    { name: 'User Dashboard', description: 'User dashboard and profile endpoints' },
    { name: 'Events', description: 'Event management' },
    { name: 'Tickets', description: 'Ticket booking and management' },
    { name: 'Payments', description: 'Payment management' },
    { name: 'Payment Options', description: 'Payment configuration' },
    { name: 'Users', description: 'User management (admin)' },
    { name: 'Contacts', description: 'Contact and subscription management' },
    { name: 'Emails', description: 'Email templates and sending' },
    { name: 'Media', description: 'File uploads and media management' },
    { name: 'Lightning', description: 'Lightning/Bitcoin payments via LNBits' },
    { name: 'Admin', description: 'Admin dashboard and analytics' },
  ],
  paths: {
    // ==================== Auth Endpoints ====================
    '/api/auth/register': {
      post: {
        tags: ['Auth'],
        summary: 'Register a new user',
        description: 'Create a new user account. First registered user becomes admin. Password must be at least 10 characters.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['email', 'password', 'name'],
                properties: {
                  email: { type: 'string', format: 'email' },
                  password: { type: 'string', minLength: 10, description: 'Minimum 10 characters' },
                  name: { type: 'string', minLength: 2 },
                  phone: { type: 'string' },
                  languagePreference: { type: 'string', enum: ['en', 'es'] },
                },
              },
            },
          },
        },
        responses: {
          201: { description: 'User created successfully' },
          400: { description: 'Email already registered or validation error' },
        },
      },
    },
    '/api/auth/login': {
      post: {
        tags: ['Auth'],
        summary: 'Login with email and password',
        description: 'Authenticate user with email and password. Rate limited to 5 attempts per 15 minutes.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['email', 'password'],
                properties: {
                  email: { type: 'string', format: 'email' },
                  password: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Login successful, returns JWT token' },
          401: { description: 'Invalid credentials' },
          429: { description: 'Too many login attempts' },
        },
      },
    },
    '/api/auth/google': {
      post: {
        tags: ['Auth'],
        summary: 'Login or register with Google',
        description: 'Authenticate using Google OAuth. Creates account if user does not exist.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['credential'],
                properties: {
                  credential: { type: 'string', description: 'Google ID token' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Login successful' },
          400: { description: 'Invalid Google token' },
        },
      },
    },
    '/api/auth/magic-link/request': {
      post: {
        tags: ['Auth'],
        summary: 'Request magic link login',
        description: 'Send a one-time login link to email. Link expires in 10 minutes.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['email'],
                properties: {
                  email: { type: 'string', format: 'email' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Magic link sent (if account exists)' },
        },
      },
    },
    '/api/auth/magic-link/verify': {
      post: {
        tags: ['Auth'],
        summary: 'Verify magic link token',
        description: 'Verify the magic link token and login user.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['token'],
                properties: {
                  token: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Login successful' },
          400: { description: 'Invalid or expired token' },
        },
      },
    },
    '/api/auth/password-reset/request': {
      post: {
        tags: ['Auth'],
        summary: 'Request password reset',
        description: 'Send a password reset link to email. Link expires in 30 minutes.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['email'],
                properties: {
                  email: { type: 'string', format: 'email' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Reset link sent (if account exists)' },
        },
      },
    },
    '/api/auth/password-reset/confirm': {
      post: {
        tags: ['Auth'],
        summary: 'Confirm password reset',
        description: 'Reset password using the token from email.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['token', 'password'],
                properties: {
                  token: { type: 'string' },
                  password: { type: 'string', minLength: 10 },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Password reset successful' },
          400: { description: 'Invalid or expired token' },
        },
      },
    },
    '/api/auth/claim-account/request': {
      post: {
        tags: ['Auth'],
        summary: 'Request account claim link',
        description: 'For unclaimed accounts created during booking. Link expires in 24 hours.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['email'],
                properties: {
                  email: { type: 'string', format: 'email' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Claim link sent (if unclaimed account exists)' },
        },
      },
    },
    '/api/auth/claim-account/confirm': {
      post: {
        tags: ['Auth'],
        summary: 'Confirm account claim',
        description: 'Claim an unclaimed account by setting password or linking Google.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['token'],
                properties: {
                  token: { type: 'string' },
                  password: { type: 'string', minLength: 10, description: 'Required if not linking Google' },
                  googleId: { type: 'string', description: 'Google ID for OAuth linking' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Account claimed successfully' },
          400: { description: 'Invalid token or missing credentials' },
        },
      },
    },
    '/api/auth/change-password': {
      post: {
        tags: ['Auth'],
        summary: 'Change password',
        description: 'Change password for authenticated user.',
        security: [{ bearerAuth: [] }],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['currentPassword', 'newPassword'],
                properties: {
                  currentPassword: { type: 'string' },
                  newPassword: { type: 'string', minLength: 10 },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Password changed' },
          400: { description: 'Current password incorrect' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/auth/me': {
      get: {
        tags: ['Auth'],
        summary: 'Get current user',
        description: 'Get the currently authenticated user profile.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'Current user data' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/auth/logout': {
      post: {
        tags: ['Auth'],
        summary: 'Logout',
        description: 'Logout current user (client-side token removal).',
        responses: {
          200: { description: 'Logged out' },
        },
      },
    },

    // ==================== User Dashboard Endpoints ====================
    '/api/dashboard/summary': {
      get: {
        tags: ['User Dashboard'],
        summary: 'Get dashboard summary',
        description: 'Get user stats including ticket counts, membership duration, etc.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'Dashboard summary data' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/profile': {
      get: {
        tags: ['User Dashboard'],
        summary: 'Get user profile',
        description: 'Get detailed user profile information.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'User profile' },
          401: { description: 'Unauthorized' },
        },
      },
      put: {
        tags: ['User Dashboard'],
        summary: 'Update user profile',
        description: 'Update user profile fields like name, phone, language preference, RUC number.',
        security: [{ bearerAuth: [] }],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                properties: {
                  name: { type: 'string', minLength: 2 },
                  phone: { type: 'string' },
                  languagePreference: { type: 'string', enum: ['en', 'es'] },
                  rucNumber: { type: 'string', maxLength: 15 },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Profile updated' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/tickets': {
      get: {
        tags: ['User Dashboard'],
        summary: 'Get user tickets',
        description: 'Get all tickets for the authenticated user with event and payment details.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'List of user tickets' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/tickets/{id}': {
      get: {
        tags: ['User Dashboard'],
        summary: 'Get ticket detail',
        description: 'Get detailed information about a specific ticket.',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Ticket details' },
          404: { description: 'Ticket not found' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/next-event': {
      get: {
        tags: ['User Dashboard'],
        summary: 'Get next upcoming event',
        description: 'Get the next upcoming event the user has a ticket for.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'Next event info or null' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/payments': {
      get: {
        tags: ['User Dashboard'],
        summary: 'Get payment history',
        description: 'Get all payments made by the user.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'List of payments' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/invoices': {
      get: {
        tags: ['User Dashboard'],
        summary: 'Get invoices',
        description: 'Get all invoices for the user.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'List of invoices' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/sessions': {
      get: {
        tags: ['User Dashboard'],
        summary: 'Get active sessions',
        description: 'Get all active login sessions for the user.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'List of sessions' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/sessions/{id}': {
      delete: {
        tags: ['User Dashboard'],
        summary: 'Revoke session',
        description: 'Revoke a specific session.',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Session revoked' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/sessions/revoke-all': {
      post: {
        tags: ['User Dashboard'],
        summary: 'Revoke all sessions',
        description: 'Logout from all devices.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'All sessions revoked' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/set-password': {
      post: {
        tags: ['User Dashboard'],
        summary: 'Set password',
        description: 'Set a password for users who signed up via Google only.',
        security: [{ bearerAuth: [] }],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['password'],
                properties: {
                  password: { type: 'string', minLength: 10 },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Password set' },
          400: { description: 'Password already set' },
          401: { description: 'Unauthorized' },
        },
      },
    },
    '/api/dashboard/unlink-google': {
      post: {
        tags: ['User Dashboard'],
        summary: 'Unlink Google account',
        description: 'Unlink Google account. Requires password to be set first.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'Google unlinked' },
          400: { description: 'Cannot unlink without password' },
          401: { description: 'Unauthorized' },
        },
      },
    },

    // ==================== Events Endpoints ====================
    '/api/events': {
      get: {
        tags: ['Events'],
        summary: 'Get all events',
        description: 'Get list of events with optional filters.',
        parameters: [
          { name: 'status', in: 'query', schema: { type: 'string', enum: ['draft', 'published', 'cancelled', 'completed', 'archived'] } },
          { name: 'upcoming', in: 'query', schema: { type: 'boolean' }, description: 'Filter to only future events' },
        ],
        responses: {
          200: { description: 'List of events' },
        },
      },
      post: {
        tags: ['Events'],
        summary: 'Create event',
        description: 'Create a new event (admin/organizer only).',
        security: [{ bearerAuth: [] }],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['title', 'description', 'startDatetime', 'location'],
                properties: {
                  title: { type: 'string' },
                  titleEs: { type: 'string' },
                  description: { type: 'string' },
                  descriptionEs: { type: 'string' },
                  startDatetime: { type: 'string', format: 'date-time' },
                  endDatetime: { type: 'string', format: 'date-time' },
                  location: { type: 'string' },
                  locationUrl: { type: 'string', format: 'uri' },
                  price: { type: 'number' },
                  currency: { type: 'string', default: 'PYG' },
                  capacity: { type: 'integer', default: 50 },
                  status: { type: 'string', enum: ['draft', 'published', 'cancelled', 'completed', 'archived'] },
                  bannerUrl: { type: 'string', format: 'uri' },
                },
              },
            },
          },
        },
        responses: {
          201: { description: 'Event created' },
          401: { description: 'Unauthorized' },
          403: { description: 'Forbidden' },
        },
      },
    },
    '/api/events/{id}': {
      get: {
        tags: ['Events'],
        summary: 'Get event by ID',
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Event details' },
          404: { description: 'Event not found' },
        },
      },
      put: {
        tags: ['Events'],
        summary: 'Update event',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Event updated' },
          404: { description: 'Event not found' },
        },
      },
      delete: {
        tags: ['Events'],
        summary: 'Delete event',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Event deleted' },
          404: { description: 'Event not found' },
        },
      },
    },
    '/api/events/next/upcoming': {
      get: {
        tags: ['Events'],
        summary: 'Get next upcoming event',
        description: 'Get the single next upcoming published event.',
        responses: {
          200: { description: 'Next event or null' },
        },
      },
    },
    '/api/events/{id}/duplicate': {
      post: {
        tags: ['Events'],
        summary: 'Duplicate event',
        description: 'Create a copy of an existing event.',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          201: { description: 'Event duplicated' },
          404: { description: 'Event not found' },
        },
      },
    },

    // ==================== Tickets Endpoints ====================
    '/api/tickets': {
      get: {
        tags: ['Tickets'],
        summary: 'Get all tickets (admin)',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'eventId', in: 'query', schema: { type: 'string' } },
          { name: 'status', in: 'query', schema: { type: 'string', enum: ['pending', 'confirmed', 'cancelled', 'checked_in'] } },
        ],
        responses: {
          200: { description: 'List of tickets' },
        },
      },
      post: {
        tags: ['Tickets'],
        summary: 'Book a ticket',
        description: 'Create a booking for an event. Creates user account if needed.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['eventId', 'firstName', 'email', 'paymentMethod'],
                properties: {
                  eventId: { type: 'string' },
                  firstName: { type: 'string' },
                  lastName: { type: 'string' },
                  email: { type: 'string', format: 'email' },
                  phone: { type: 'string' },
                  preferredLanguage: { type: 'string', enum: ['en', 'es'] },
                  paymentMethod: { type: 'string', enum: ['lightning', 'cash', 'bank_transfer', 'tpago'] },
                  ruc: { type: 'string', description: 'Paraguayan RUC for invoice' },
                },
              },
            },
          },
        },
        responses: {
          201: { description: 'Ticket booked' },
          400: { description: 'Booking error' },
        },
      },
    },
    '/api/tickets/{id}': {
      get: {
        tags: ['Tickets'],
        summary: 'Get ticket by ID',
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Ticket details' },
          404: { description: 'Ticket not found' },
        },
      },
      put: {
        tags: ['Tickets'],
        summary: 'Update ticket',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Ticket updated' },
        },
      },
    },
    '/api/tickets/{id}/checkin': {
      post: {
        tags: ['Tickets'],
        summary: 'Check in ticket',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Check-in successful' },
          400: { description: 'Check-in error' },
        },
      },
    },
    '/api/tickets/{id}/remove-checkin': {
      post: {
        tags: ['Tickets'],
        summary: 'Remove check-in',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Check-in removed' },
        },
      },
    },
    '/api/tickets/{id}/cancel': {
      post: {
        tags: ['Tickets'],
        summary: 'Cancel ticket',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Ticket cancelled' },
        },
      },
    },
    '/api/tickets/{id}/mark-paid': {
      post: {
        tags: ['Tickets'],
        summary: 'Mark ticket as paid (admin)',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Marked as paid' },
        },
      },
    },
    '/api/tickets/{id}/mark-payment-sent': {
      post: {
        tags: ['Tickets'],
        summary: 'Mark payment sent',
        description: 'User marks their bank transfer or TPago payment as sent.',
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Payment marked as pending approval' },
        },
      },
    },
    '/api/tickets/{id}/note': {
      post: {
        tags: ['Tickets'],
        summary: 'Update ticket note',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                properties: {
                  note: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Note updated' },
        },
      },
    },
    '/api/tickets/admin/create': {
      post: {
        tags: ['Tickets'],
        summary: 'Admin create ticket',
        description: 'Create ticket directly without payment (admin only).',
        security: [{ bearerAuth: [] }],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['eventId', 'firstName'],
                properties: {
                  eventId: { type: 'string' },
                  firstName: { type: 'string' },
                  lastName: { type: 'string' },
                  email: { type: 'string', format: 'email' },
                  phone: { type: 'string' },
                  preferredLanguage: { type: 'string', enum: ['en', 'es'] },
                  autoCheckin: { type: 'boolean' },
                  adminNote: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          201: { description: 'Ticket created' },
        },
      },
    },

    // ==================== Payments Endpoints ====================
    '/api/payments': {
      get: {
        tags: ['Payments'],
        summary: 'Get all payments',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'status', in: 'query', schema: { type: 'string' } },
          { name: 'provider', in: 'query', schema: { type: 'string' } },
          { name: 'pendingApproval', in: 'query', schema: { type: 'boolean' } },
        ],
        responses: {
          200: { description: 'List of payments' },
        },
      },
    },
    '/api/payments/pending-approval': {
      get: {
        tags: ['Payments'],
        summary: 'Get pending approval payments',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'Payments awaiting approval' },
        },
      },
    },
    '/api/payments/{id}': {
      get: {
        tags: ['Payments'],
        summary: 'Get payment by ID',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Payment details' },
        },
      },
      put: {
        tags: ['Payments'],
        summary: 'Update payment',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Payment updated' },
        },
      },
    },
    '/api/payments/{id}/approve': {
      post: {
        tags: ['Payments'],
        summary: 'Approve payment',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        requestBody: {
          content: {
            'application/json': {
              schema: {
                type: 'object',
                properties: {
                  adminNote: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Payment approved' },
        },
      },
    },
    '/api/payments/{id}/reject': {
      post: {
        tags: ['Payments'],
        summary: 'Reject payment',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        requestBody: {
          content: {
            'application/json': {
              schema: {
                type: 'object',
                properties: {
                  adminNote: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Payment rejected' },
        },
      },
    },
    '/api/payments/{id}/refund': {
      post: {
        tags: ['Payments'],
        summary: 'Refund payment',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Refund processed' },
        },
      },
    },
    '/api/payments/{id}/note': {
      post: {
        tags: ['Payments'],
        summary: 'Update payment note',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                properties: {
                  adminNote: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Note updated' },
        },
      },
    },

    // ==================== Payment Options Endpoints ====================
    '/api/payment-options': {
      get: {
        tags: ['Payment Options'],
        summary: 'Get global payment options',
        responses: {
          200: { description: 'Payment options configuration' },
        },
      },
      put: {
        tags: ['Payment Options'],
        summary: 'Update global payment options',
        security: [{ bearerAuth: [] }],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                properties: {
                  tpagoEnabled: { type: 'boolean' },
                  tpagoLink: { type: 'string' },
                  tpagoInstructions: { type: 'string' },
                  tpagoInstructionsEs: { type: 'string' },
                  bankTransferEnabled: { type: 'boolean' },
                  bankName: { type: 'string' },
                  bankAccountHolder: { type: 'string' },
                  bankAccountNumber: { type: 'string' },
                  bankAlias: { type: 'string' },
                  bankPhone: { type: 'string' },
                  bankNotes: { type: 'string' },
                  bankNotesEs: { type: 'string' },
                  lightningEnabled: { type: 'boolean' },
                  cashEnabled: { type: 'boolean' },
                  cashInstructions: { type: 'string' },
                  cashInstructionsEs: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Options updated' },
        },
      },
    },
    '/api/payment-options/event/{eventId}': {
      get: {
        tags: ['Payment Options'],
        summary: 'Get payment options for event',
        description: 'Get merged payment options (global + event overrides).',
        parameters: [
          { name: 'eventId', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Payment options for event' },
        },
      },
    },
    '/api/payment-options/event/{eventId}/overrides': {
      get: {
        tags: ['Payment Options'],
        summary: 'Get event payment overrides',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'eventId', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Event-specific overrides' },
        },
      },
      put: {
        tags: ['Payment Options'],
        summary: 'Update event payment overrides',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'eventId', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Overrides updated' },
        },
      },
      delete: {
        tags: ['Payment Options'],
        summary: 'Delete event payment overrides',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'eventId', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Overrides deleted' },
        },
      },
    },

    // ==================== Users Endpoints (Admin) ====================
    '/api/users': {
      get: {
        tags: ['Users'],
        summary: 'Get all users (admin)',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'role', in: 'query', schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'List of users' },
        },
      },
    },
    '/api/users/{id}': {
      get: {
        tags: ['Users'],
        summary: 'Get user by ID',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'User details' },
        },
      },
      put: {
        tags: ['Users'],
        summary: 'Update user',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'User updated' },
        },
      },
      delete: {
        tags: ['Users'],
        summary: 'Delete user',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'User deleted' },
        },
      },
    },
    '/api/users/{id}/history': {
      get: {
        tags: ['Users'],
        summary: 'Get user ticket history',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'User ticket history' },
        },
      },
    },
    '/api/users/stats/overview': {
      get: {
        tags: ['Users'],
        summary: 'Get user statistics',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'User statistics' },
        },
      },
    },

    // ==================== Contacts Endpoints ====================
    '/api/contacts': {
      get: {
        tags: ['Contacts'],
        summary: 'Get all contacts (admin)',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'status', in: 'query', schema: { type: 'string', enum: ['new', 'read', 'replied'] } },
        ],
        responses: {
          200: { description: 'List of contacts' },
        },
      },
      post: {
        tags: ['Contacts'],
        summary: 'Submit contact form',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['name', 'email', 'message'],
                properties: {
                  name: { type: 'string' },
                  email: { type: 'string', format: 'email' },
                  message: { type: 'string', minLength: 10 },
                },
              },
            },
          },
        },
        responses: {
          201: { description: 'Message sent' },
        },
      },
    },
    '/api/contacts/{id}': {
      put: {
        tags: ['Contacts'],
        summary: 'Update contact status',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                properties: {
                  status: { type: 'string', enum: ['new', 'read', 'replied'] },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Contact updated' },
        },
      },
    },
    '/api/contacts/subscribe': {
      post: {
        tags: ['Contacts'],
        summary: 'Subscribe to newsletter',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['email'],
                properties: {
                  email: { type: 'string', format: 'email' },
                  name: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          201: { description: 'Subscribed successfully' },
        },
      },
    },

    // ==================== Email Endpoints ====================
    '/api/emails/templates': {
      get: {
        tags: ['Emails'],
        summary: 'Get all email templates',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'List of templates' },
        },
      },
      post: {
        tags: ['Emails'],
        summary: 'Create email template',
        security: [{ bearerAuth: [] }],
        responses: {
          201: { description: 'Template created' },
        },
      },
    },
    '/api/emails/templates/{id}': {
      get: {
        tags: ['Emails'],
        summary: 'Get template by ID',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Template details' },
        },
      },
      put: {
        tags: ['Emails'],
        summary: 'Update template',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Template updated' },
        },
      },
      delete: {
        tags: ['Emails'],
        summary: 'Delete template',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Template deleted' },
        },
      },
    },
    '/api/emails/send/event/{eventId}': {
      post: {
        tags: ['Emails'],
        summary: 'Send email to event attendees',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'eventId', in: 'path', required: true, schema: { type: 'string' } },
        ],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['templateSlug'],
                properties: {
                  templateSlug: { type: 'string' },
                  customVariables: { type: 'object' },
                  recipientFilter: { type: 'string', enum: ['all', 'confirmed', 'pending', 'checked_in'] },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Emails sent' },
        },
      },
    },
    '/api/emails/send/custom': {
      post: {
        tags: ['Emails'],
        summary: 'Send custom email',
        security: [{ bearerAuth: [] }],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['to', 'subject', 'bodyHtml'],
                properties: {
                  to: { type: 'string', format: 'email' },
                  toName: { type: 'string' },
                  subject: { type: 'string' },
                  bodyHtml: { type: 'string' },
                  bodyText: { type: 'string' },
                  eventId: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Email sent' },
        },
      },
    },
    '/api/emails/preview': {
      post: {
        tags: ['Emails'],
        summary: 'Preview email template',
        security: [{ bearerAuth: [] }],
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['templateSlug'],
                properties: {
                  templateSlug: { type: 'string' },
                  variables: { type: 'object' },
                  locale: { type: 'string', enum: ['en', 'es'] },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Preview HTML' },
        },
      },
    },
    '/api/emails/logs': {
      get: {
        tags: ['Emails'],
        summary: 'Get email logs',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'eventId', in: 'query', schema: { type: 'string' } },
          { name: 'status', in: 'query', schema: { type: 'string' } },
          { name: 'limit', in: 'query', schema: { type: 'integer' } },
          { name: 'offset', in: 'query', schema: { type: 'integer' } },
        ],
        responses: {
          200: { description: 'Email logs' },
        },
      },
    },
    '/api/emails/stats': {
      get: {
        tags: ['Emails'],
        summary: 'Get email stats',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'eventId', in: 'query', schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Email statistics' },
        },
      },
    },
    '/api/emails/seed-templates': {
      post: {
        tags: ['Emails'],
        summary: 'Seed default templates',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'Templates seeded' },
        },
      },
    },

    // ==================== Media Endpoints ====================
    '/api/media/upload': {
      post: {
        tags: ['Media'],
        summary: 'Upload file',
        security: [{ bearerAuth: [] }],
        requestBody: {
          required: true,
          content: {
            'multipart/form-data': {
              schema: {
                type: 'object',
                properties: {
                  file: { type: 'string', format: 'binary' },
                  relatedId: { type: 'string' },
                  relatedType: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          201: { description: 'File uploaded' },
        },
      },
    },
    '/api/media/{id}': {
      delete: {
        tags: ['Media'],
        summary: 'Delete media',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'id', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Media deleted' },
        },
      },
    },

    // ==================== Lightning (LNBits) Endpoints ====================
    '/api/lnbits/invoice': {
      post: {
        tags: ['Lightning'],
        summary: 'Create Lightning invoice',
        description: 'Create a Lightning Network invoice for payment.',
        requestBody: {
          required: true,
          content: {
            'application/json': {
              schema: {
                type: 'object',
                required: ['ticketId'],
                properties: {
                  ticketId: { type: 'string' },
                },
              },
            },
          },
        },
        responses: {
          200: { description: 'Invoice created' },
        },
      },
    },
    '/api/lnbits/status/{ticketId}': {
      get: {
        tags: ['Lightning'],
        summary: 'Check payment status',
        description: 'Check the payment status for a ticket.',
        parameters: [
          { name: 'ticketId', in: 'path', required: true, schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Payment status' },
        },
      },
    },
    '/api/lnbits/webhook': {
      post: {
        tags: ['Lightning'],
        summary: 'LNBits webhook',
        description: 'Webhook endpoint for LNBits payment notifications.',
        responses: {
          200: { description: 'Webhook processed' },
        },
      },
    },

    // ==================== Admin Endpoints ====================
    '/api/admin/dashboard': {
      get: {
        tags: ['Admin'],
        summary: 'Get admin dashboard',
        description: 'Get statistics, recent activity, and overview data.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'Dashboard data' },
        },
      },
    },
    '/api/admin/analytics': {
      get: {
        tags: ['Admin'],
        summary: 'Get analytics',
        description: 'Get detailed analytics data.',
        security: [{ bearerAuth: [] }],
        responses: {
          200: { description: 'Analytics data' },
        },
      },
    },
    '/api/admin/export/tickets': {
      get: {
        tags: ['Admin'],
        summary: 'Export tickets',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'eventId', in: 'query', schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Exported ticket data' },
        },
      },
    },
    '/api/admin/export/financial': {
      get: {
        tags: ['Admin'],
        summary: 'Export financial data',
        security: [{ bearerAuth: [] }],
        parameters: [
          { name: 'startDate', in: 'query', schema: { type: 'string', format: 'date' } },
          { name: 'endDate', in: 'query', schema: { type: 'string', format: 'date' } },
          { name: 'eventId', in: 'query', schema: { type: 'string' } },
        ],
        responses: {
          200: { description: 'Exported financial data' },
        },
      },
    },
  },
  components: {
    securitySchemes: {
      bearerAuth: {
        type: 'http',
        scheme: 'bearer',
        bearerFormat: 'JWT',
        description: 'JWT token obtained from login endpoint',
      },
    },
    schemas: {
      User: {
        type: 'object',
        properties: {
          id: { type: 'string' },
          email: { type: 'string' },
          name: { type: 'string' },
          phone: { type: 'string' },
          role: { type: 'string', enum: ['admin', 'organizer', 'staff', 'marketing', 'user'] },
          languagePreference: { type: 'string' },
          isClaimed: { type: 'boolean' },
          rucNumber: { type: 'string' },
          accountStatus: { type: 'string', enum: ['active', 'unclaimed', 'suspended'] },
          createdAt: { type: 'string', format: 'date-time' },
        },
      },
      Event: {
        type: 'object',
        properties: {
          id: { type: 'string' },
          title: { type: 'string' },
          titleEs: { type: 'string' },
          description: { type: 'string' },
          descriptionEs: { type: 'string' },
          startDatetime: { type: 'string', format: 'date-time' },
          endDatetime: { type: 'string', format: 'date-time' },
          location: { type: 'string' },
          locationUrl: { type: 'string' },
          price: { type: 'number' },
          currency: { type: 'string' },
          capacity: { type: 'integer' },
          status: { type: 'string', enum: ['draft', 'published', 'cancelled', 'completed', 'archived'] },
          bannerUrl: { type: 'string' },
          createdAt: { type: 'string', format: 'date-time' },
        },
      },
      Ticket: {
        type: 'object',
        properties: {
          id: { type: 'string' },
          userId: { type: 'string' },
          eventId: { type: 'string' },
          attendeeFirstName: { type: 'string' },
          attendeeLastName: { type: 'string' },
          attendeeEmail: { type: 'string' },
          attendeePhone: { type: 'string' },
          attendeeRuc: { type: 'string' },
          preferredLanguage: { type: 'string' },
          status: { type: 'string', enum: ['pending', 'confirmed', 'cancelled', 'checked_in'] },
          qrCode: { type: 'string' },
          checkinAt: { type: 'string', format: 'date-time' },
          createdAt: { type: 'string', format: 'date-time' },
        },
      },
      Payment: {
        type: 'object',
        properties: {
          id: { type: 'string' },
          ticketId: { type: 'string' },
          provider: { type: 'string', enum: ['lightning', 'cash', 'bank_transfer', 'tpago'] },
          amount: { type: 'number' },
          currency: { type: 'string' },
          status: { type: 'string', enum: ['pending', 'pending_approval', 'paid', 'refunded', 'failed', 'cancelled'] },
          reference: { type: 'string' },
          paidAt: { type: 'string', format: 'date-time' },
          createdAt: { type: 'string', format: 'date-time' },
        },
      },
      Invoice: {
        type: 'object',
        properties: {
          id: { type: 'string' },
          paymentId: { type: 'string' },
          userId: { type: 'string' },
          invoiceNumber: { type: 'string' },
          rucNumber: { type: 'string' },
          legalName: { type: 'string' },
          amount: { type: 'number' },
          currency: { type: 'string' },
          pdfUrl: { type: 'string' },
          status: { type: 'string', enum: ['generated', 'voided'] },
          createdAt: { type: 'string', format: 'date-time' },
        },
      },
    },
  },
};

// OpenAPI JSON endpoint
app.get('/openapi.json', (c) => {
  return c.json(openApiSpec);
});

// Swagger UI
app.get('/api-docs', swaggerUI({ url: '/openapi.json' }));

// Static file serving for uploads
app.use('/uploads/*', serveStatic({ root: './' }));

// Health check
app.get('/health', (c) => {
  return c.json({ status: 'ok', timestamp: new Date().toISOString() });
});

// API Routes
app.route('/api/auth', authRoutes);
app.route('/api/events', eventsRoutes);
app.route('/api/tickets', ticketsRoutes);
app.route('/api/users', usersRoutes);
app.route('/api/contacts', contactsRoutes);
app.route('/api/payments', paymentsRoutes);
app.route('/api/admin', adminRoutes);
app.route('/api/media', mediaRoutes);
app.route('/api/lnbits', lnbitsRoutes);
app.route('/api/emails', emailsRoutes);
app.route('/api/payment-options', paymentOptionsRoutes);
app.route('/api/dashboard', dashboardRoutes);

// 404 handler
app.notFound((c) => {
  return c.json({ error: 'Not Found' }, 404);
});

// Error handler
app.onError((err, c) => {
  console.error('Error:', err);
  return c.json({ error: 'Internal Server Error' }, 500);
});

const port = parseInt(process.env.PORT || '3001');

// Initialize email templates on startup
emailService.seedDefaultTemplates().catch(err => {
  console.error('[Email] Failed to seed templates:', err);
});

console.log(`🚀 Spanglish API server starting on port ${port}`);
console.log(`📚 API docs available at http://localhost:${port}/api-docs`);
console.log(`📋 OpenAPI spec at http://localhost:${port}/openapi.json`);

serve({
  fetch: app.fetch,
  port,
});