/**
 * ETL: Migración de BD central Horux360 → HoruxDespachos
 * Lee desde horux360 y escribe en la BD central actual (horux_despachos)
 */
import 'dotenv/config';
import { PrismaClient } from '@prisma/client';
import { Pool } from 'pg';

const SOURCE_DB = 'horux360';

const prisma = new PrismaClient();
const source = new Pool({
  host: 'localhost',
  port: 5432,
  user: 'postgres',
  password: 'ZxHMrmnwanvLfLDdNJdRthFjWF2Lj1Rb',
  database: SOURCE_DB,
  max: 5,
});

async function main() {
  console.log('=== Central DB Migration: Horux360 → HoruxDespachos ===\n');

  // 1. Seed roles (idempotente)
  const rolesData = [
    { nombre: 'owner', descripcion: 'Dueño - acceso completo' },
    { nombre: 'cfo', descripcion: 'CFO - acceso completo (mismo nivel que el dueño)' },
    { nombre: 'contador', descripcion: 'Contador - dashboard, CFDI, impuestos, calendario, alertas, facturación' },
    { nombre: 'auxiliar', descripcion: 'Auxiliar - mismos permisos que contador' },
    { nombre: 'visor', descripcion: 'Visor - solo lectura de CFDI, impuestos, calendario, alertas' },
    { nombre: 'supervisor', descripcion: 'Supervisor de despacho — titular de RFCs, crea carteras' },
    { nombre: 'cliente', descripcion: 'Cliente visor externo — acceso read-only a sus RFCs' },
  ];

  for (const r of rolesData) {
    await prisma.rol.upsert({
      where: { nombre: r.nombre },
      update: {},
      create: r,
    });
  }
  console.log('✅ Roles seeded');

  const roles = await prisma.rol.findMany();
  const rolMap = new Map(roles.map(r => [r.nombre, r.id]));

  // 2. Migrate tenants
  const tenantsLegacy = await source.query(`
    SELECT id, nombre, rfc, plan, database_name, cfdi_limit, users_limit, active, created_at, expires_at
    FROM tenants
  `);

  const planMap: Record<string, string> = {
    starter: 'starter',
    business: 'business',
    professional: 'business_ia',
    enterprise: 'enterprise',
  };

  for (const t of tenantsLegacy.rows) {
    await prisma.tenant.upsert({
      where: { rfc: t.rfc },
      update: {},
      create: {
        id: t.id,
        nombre: t.nombre,
        rfc: t.rfc,
        plan: (planMap[t.plan] || 'starter') as any,
        databaseName: t.database_name,
        cfdiLimit: t.cfdi_limit,
        usersLimit: t.users_limit,
        active: t.active,
        createdAt: t.created_at,
        expiresAt: t.expires_at,
      },
    });
  }
  console.log(`✅ ${tenantsLegacy.rows.length} tenants migrated`);

  // 3. Migrate users (sin tenantId/rolId legacy)
  const usersLegacy = await source.query(`
    SELECT id, email, password_hash, nombre, active, last_login, created_at
    FROM users
  `);

  for (const u of usersLegacy.rows) {
    await prisma.user.upsert({
      where: { email: u.email },
      update: {},
      create: {
        id: u.id,
        email: u.email,
        passwordHash: u.password_hash,
        nombre: u.nombre,
        active: u.active,
        lastLogin: u.last_login,
        createdAt: u.created_at,
        tokenVersion: 0,
      },
    });
  }
  console.log(`✅ ${usersLegacy.rows.length} users migrated`);

  // 4. Create TenantMemberships (backfill from legacy user→tenant relationship)
  const membershipsLegacy = await source.query(`
    SELECT u.id as user_id, u.tenant_id, u.role, u.active, u.created_at
    FROM users u
  `);

  const roleNameMap: Record<string, string> = {
    admin: 'owner',
    contador: 'contador',
    visor: 'visor',
  };

  for (const m of membershipsLegacy.rows) {
    const roleName = roleNameMap[m.role] || 'visor';
    const rolId = rolMap.get(roleName);
    if (!rolId) continue;

    await prisma.tenantMembership.upsert({
      where: {
        userId_tenantId: {
          userId: m.user_id,
          tenantId: m.tenant_id,
        },
      },
      update: {},
      create: {
        userId: m.user_id,
        tenantId: m.tenant_id,
        rolId,
        isOwner: roleName === 'owner' || roleName === 'cfo',
        active: m.active,
        joinedAt: m.created_at,
      },
    });
  }
  console.log(`✅ ${membershipsLegacy.rows.length} tenant memberships created`);

  // 5. Set lastTenantId for all users
  for (const m of membershipsLegacy.rows) {
    await prisma.user.update({
      where: { id: m.user_id },
      data: { lastTenantId: m.tenant_id },
    });
  }
  console.log('✅ lastTenantId set for all users');

  // 6. Migrate FIEL credentials
  const fielLegacy = await source.query(`SELECT * FROM fiel_credentials`);
  for (const f of fielLegacy.rows) {
    await prisma.fielCredential.upsert({
      where: { tenantId: f.tenant_id },
      update: {},
      create: {
        id: f.id,
        tenantId: f.tenant_id,
        rfc: f.rfc,
        cerData: f.cer_data,
        keyData: f.key_data,
        keyPasswordEncrypted: f.key_password_encrypted,
        cerIv: f.cer_iv,
        cerTag: f.cer_tag,
        keyIv: f.key_iv,
        keyTag: f.key_tag,
        passwordIv: f.password_iv,
        passwordTag: f.password_tag,
        serialNumber: f.serial_number,
        validFrom: f.valid_from,
        validUntil: f.valid_until,
        isActive: f.is_active,
        createdAt: f.created_at,
        updatedAt: f.updated_at,
      },
    });
  }
  console.log(`✅ ${fielLegacy.rows.length} FIEL credentials migrated`);

  // 7. Migrate subscriptions
  const subsLegacy = await source.query(`SELECT * FROM subscriptions`);
  for (const s of subsLegacy.rows) {
    await prisma.subscription.create({
      data: {
        id: s.id,
        tenantId: s.tenant_id,
        plan: (planMap[s.plan] || 'starter') as any,
        mpPreapprovalId: s.mp_preapproval_id,
        status: s.status,
        amount: s.amount,
        frequency: s.frequency,
        currentPeriodStart: s.current_period_start,
        currentPeriodEnd: s.current_period_end,
        createdAt: s.created_at,
        updatedAt: s.updated_at,
      },
    });
  }
  console.log(`✅ ${subsLegacy.rows.length} subscriptions migrated`);

  // 8. Migrate payments
  const paymentsLegacy = await source.query(`SELECT * FROM payments`);
  for (const p of paymentsLegacy.rows) {
    await prisma.payment.create({
      data: {
        id: p.id,
        tenantId: p.tenant_id,
        subscriptionId: p.subscription_id,
        mpPaymentId: p.mp_payment_id,
        amount: p.amount,
        status: p.status,
        paymentMethod: p.payment_method,
        paidAt: p.paid_at,
        createdAt: p.created_at,
      },
    });
  }
  console.log(`✅ ${paymentsLegacy.rows.length} payments migrated`);

  // 9. Migrate SAT sync jobs
  const jobsLegacy = await source.query(`SELECT * FROM sat_sync_jobs`);
  for (const j of jobsLegacy.rows) {
    await prisma.satSyncJob.create({
      data: {
        id: j.id,
        tenantId: j.tenant_id,
        type: j.type,
        status: j.status,
        dateFrom: j.date_from,
        dateTo: j.date_to,
        cfdiType: j.cfdi_type,
        satRequestId: j.sat_request_id,
        satPackageIds: j.sat_package_ids || [],
        cfdisFound: j.cfdis_found,
        cfdisDownloaded: j.cfdis_downloaded,
        cfdisInserted: j.cfdis_inserted,
        cfdisUpdated: j.cfdis_updated,
        progressPercent: j.progress_percent,
        errorMessage: j.error_message,
        startedAt: j.started_at,
        completedAt: j.completed_at,
        createdAt: j.created_at,
        retryCount: j.retry_count,
        nextRetryAt: j.next_retry_at,
      },
    });
  }
  console.log(`✅ ${jobsLegacy.rows.length} SAT sync jobs migrated`);

  // 10. Migrate refresh tokens
  const tokensLegacy = await source.query(`SELECT * FROM refresh_tokens`);
  for (const t of tokensLegacy.rows) {
    await prisma.refreshToken.create({
      data: {
        id: t.id,
        userId: t.user_id,
        token: t.token,
        expiresAt: t.expires_at,
        createdAt: t.created_at,
      },
    });
  }
  console.log(`✅ ${tokensLegacy.rows.length} refresh tokens migrated`);

  // 11. Create platform_admin for global admin tenant (CAS2408138W2)
  const globalAdmins = await prisma.tenantMembership.findMany({
    where: {
      tenant: { rfc: 'CAS2408138W2' },
      isOwner: true,
    },
  });

  for (const m of globalAdmins) {
    await prisma.userPlatformRole.upsert({
      where: {
        userId_role: {
          userId: m.userId,
          role: 'platform_admin',
        },
      },
      update: {},
      create: {
        userId: m.userId,
        role: 'platform_admin',
      },
    });
  }
  console.log(`✅ ${globalAdmins.length} platform_admin roles assigned`);

  console.log('\n=== Central migration complete ===');
}

main()
  .catch((err) => {
    console.error('Migration failed:', err);
    process.exit(1);
  })
  .finally(async () => {
    await source.end();
    await prisma.$disconnect();
  });