import type { Auth, Role } from '../auth/options';
import type { DbHandle } from './index';

export interface SeedAccount {
  email: string;
  password: string;
  name: string;
  role: Role;
}

/**
 * Accounts per CONTRACTS.md section 4. Deterministic and idempotent: running the seed
 * twice leaves the same rows.
 *
 * Their profiles, documents and declarations are seeded by the phases that own those
 * tables. Until then `GET /me/profile` correctly answers 404 for each of them, which is
 * the documented state for a user who has not finished setup.
 */
export const SEED_ACCOUNTS: readonly SeedAccount[] = [
  { email: 'superadmin@demo.local', password: 'demo-superadmin-1', name: 'Super Admin', role: 'superadmin' },
  { email: 'staff@demo.local', password: 'demo-staff-1', name: 'Staff Demo', role: 'staff' },
  { email: 'maria@demo.local', password: 'demo-maria-1', name: 'Maria Gonzalez', role: 'user' },
  { email: 'carlos@demo.local', password: 'demo-carlos-1', name: 'Carlos Benitez', role: 'user' },
];

export interface SeedResult {
  created: string[];
  existing: string[];
}

export async function seed(handle: DbHandle, auth: Auth): Promise<SeedResult> {
  const result: SeedResult = { created: [], existing: [] };

  for (const account of SEED_ACCOUNTS) {
    const found = await handle.db
      .selectFrom('user')
      .select('id')
      .where('email', '=', account.email)
      .executeTakeFirst();

    if (found) {
      result.existing.push(account.email);
      continue;
    }

    await auth.api.signUpEmail({
      body: { email: account.email, password: account.password, name: account.name },
    });

    // Roles and verification are set directly: the sign up endpoint always creates a
    // plain unverified `user`, and demo accounts need to be usable straight away.
    await handle.db
      .updateTable('user')
      .set({ role: account.role, emailVerified: 1, updatedAt: new Date().toISOString() })
      .where('email', '=', account.email)
      .execute();

    result.created.push(account.email);
  }

  return result;
}