import { fetchApi } from './client';
import type { EmailTemplate, EmailVariable, EmailLog, EmailStats, Pagination } from './types';

export const emailsApi = {
  // Templates
  getTemplates: () => fetchApi<{ templates: EmailTemplate[] }>('/api/emails/templates'),

  getTemplate: (id: string) => fetchApi<{ template: EmailTemplate }>(`/api/emails/templates/${id}`),

  createTemplate: (data: Partial<EmailTemplate>) =>
    fetchApi<{ template: EmailTemplate; message: string }>('/api/emails/templates', {
      method: 'POST',
      body: JSON.stringify(data),
    }),

  updateTemplate: (id: string, data: Partial<EmailTemplate>) =>
    fetchApi<{ template: EmailTemplate; message: string }>(`/api/emails/templates/${id}`, {
      method: 'PUT',
      body: JSON.stringify(data),
    }),

  deleteTemplate: (id: string) =>
    fetchApi<{ message: string }>(`/api/emails/templates/${id}`, { method: 'DELETE' }),

  getTemplateVariables: (slug: string) =>
    fetchApi<{ variables: EmailVariable[] }>(`/api/emails/templates/${slug}/variables`),

  // Sending
  sendToEvent: (eventId: string, data: {
    templateSlug: string;
    customVariables?: Record<string, any>;
    recipientFilter?: 'all' | 'confirmed' | 'pending' | 'checked_in';
  }) =>
    fetchApi<{ success: boolean; queuedCount: number; error?: string }>(
      `/api/emails/send/event/${eventId}`,
      {
        method: 'POST',
        body: JSON.stringify(data),
      }
    ),

  sendCustom: (data: {
    to: string;
    toName?: string;
    subject: string;
    bodyHtml: string;
    bodyText?: string;
    eventId?: string;
  }) =>
    fetchApi<{ success: boolean; logId?: string; error?: string }>('/api/emails/send/custom', {
      method: 'POST',
      body: JSON.stringify(data),
    }),

  preview: (data: {
    templateSlug: string;
    variables?: Record<string, any>;
    locale?: string;
  }) =>
    fetchApi<{ subject: string; bodyHtml: string }>('/api/emails/preview', {
      method: 'POST',
      body: JSON.stringify(data),
    }),

  // Logs
  getLogs: (params?: { eventId?: string; status?: string; search?: string; limit?: number; offset?: number }) => {
    const query = new URLSearchParams();
    if (params?.eventId) query.set('eventId', params.eventId);
    if (params?.status) query.set('status', params.status);
    if (params?.search) query.set('search', params.search);
    if (params?.limit) query.set('limit', params.limit.toString());
    if (params?.offset) query.set('offset', params.offset.toString());
    return fetchApi<{ logs: EmailLog[]; pagination: Pagination }>(`/api/emails/logs?${query}`);
  },

  getLog: (id: string) => fetchApi<{ log: EmailLog }>(`/api/emails/logs/${id}`),

  resendLog: (id: string) =>
    fetchApi<{ success: boolean; error?: string }>(`/api/emails/logs/${id}/resend`, {
      method: 'POST',
    }),

  getStats: (eventId?: string) => {
    const query = eventId ? `?eventId=${eventId}` : '';
    return fetchApi<{ stats: EmailStats }>(`/api/emails/stats${query}`);
  },

  seedTemplates: () =>
    fetchApi<{ message: string }>('/api/emails/seed-templates', { method: 'POST' }),
};