/**
 * Bulk-copy SMS price + deposit (charge) info from one Khanegi tenant to all others.
 * Does NOT change balance / block / auto-block / history.
 *
 * Default source: k.montzar.ir
 *
 *   SMS_BULK_SOURCE_DOMAIN=k.montzar.ir \
 *   SMS_BULK_DRY_RUN=1 \
 *   npm run prisma:bulk-khanegi-sms-defaults
 *
 * Apply:
 *   SMS_BULK_SOURCE_DOMAIN=k.montzar.ir \
 *   npm run prisma:bulk-khanegi-sms-defaults
 */
import { PrismaClient, ProductType } from '@prisma/client';

const prisma = new PrismaClient();

function env(name: string, fallback = '') {
  return String(process.env[name] ?? fallback).trim();
}

function normalizeHost(value?: string | null) {
  if (!value) return '';
  return String(value)
    .trim()
    .toLowerCase()
    .replace(/^https?:\/\//, '')
    .split('/')[0]
    .split(':')[0];
}

async function findTenantByDomain(domain: string) {
  const host = normalizeHost(domain);
  const tenants = await prisma.tenant.findMany({
    where: { product: ProductType.khanegi, isActive: true },
    include: { smsAccount: true },
  });

  const hit = tenants.find((t) => {
    const candidates = new Set<string>();
    const primary = normalizeHost(t.domain);
    if (primary) candidates.add(primary);
    const extra = Array.isArray(t.domains) ? t.domains : [];
    for (const d of extra) {
      const n = normalizeHost(String(d));
      if (n) candidates.add(n);
    }
    return candidates.has(host);
  });

  if (!hit) throw new Error(`Source tenant not found for domain: ${host}`);
  if (!hit.smsAccount) throw new Error(`Source tenant has no SMS account: ${host}`);
  return hit;
}

async function main() {
  const sourceDomain = env('SMS_BULK_SOURCE_DOMAIN', 'k.montzar.ir') || 'k.montzar.ir';
  const dryRun = env('SMS_BULK_DRY_RUN') === '1';
  const includeSource = env('SMS_BULK_INCLUDE_SOURCE') === '1';

  const source = await findTenantByDomain(sourceDomain);
  const src = source.smsAccount!;

  const payload = {
    pricePerPartRials: src.pricePerPartRials,
    chargeCard: src.chargeCard,
    chargeIban: src.chargeIban,
    chargeHolder: src.chargeHolder,
    chargeInstruction: src.chargeInstruction,
  };

  console.log(
    JSON.stringify(
      {
        dryRun,
        source: {
          id: source.id,
          domain: source.domain,
          nameFa: source.nameFa,
          ...payload,
        },
      },
      null,
      2,
    ),
  );

  const targets = await prisma.tenant.findMany({
    where: {
      product: ProductType.khanegi,
      isActive: true,
      ...(includeSource ? {} : { NOT: { id: source.id } }),
    },
    include: { smsAccount: true },
    orderBy: { domain: 'asc' },
  });

  let updated = 0;
  let created = 0;
  let skipped = 0;

  for (const t of targets) {
    if (!t.smsAccount) {
      if (dryRun) {
        console.log(`[dry] would CREATE sms account for ${t.domain}`);
        created += 1;
        continue;
      }
      await prisma.smsAccount.create({
        data: {
          tenantId: t.id,
          balanceRials: 0,
          isBlocked: false,
          ...payload,
          alertCriticalRials: 10000,
          alertWarningRials: 100000,
        },
      });
      console.log(`CREATE ${t.domain}`);
      created += 1;
      continue;
    }

    const same =
      t.smsAccount.pricePerPartRials === payload.pricePerPartRials &&
      (t.smsAccount.chargeCard || null) === (payload.chargeCard || null) &&
      (t.smsAccount.chargeIban || null) === (payload.chargeIban || null) &&
      (t.smsAccount.chargeHolder || null) === (payload.chargeHolder || null) &&
      (t.smsAccount.chargeInstruction || null) === (payload.chargeInstruction || null);

    if (same) {
      skipped += 1;
      continue;
    }

    if (dryRun) {
      console.log(
        `[dry] would UPDATE ${t.domain} price=${payload.pricePerPartRials} card=${payload.chargeCard || ''}`,
      );
      updated += 1;
      continue;
    }

    await prisma.smsAccount.update({
      where: { id: t.smsAccount.id },
      data: payload,
    });
    console.log(`UPDATE ${t.domain}`);
    updated += 1;
  }

  if (!dryRun) {
    await prisma.auditLog.create({
      data: {
        action: 'sms.bulk_khanegi_defaults',
        entityType: 'sms_account',
        entityId: src.id,
        tenantId: source.id,
        after: {
          sourceDomain: source.domain,
          payload,
          updated,
          created,
          skipped,
        },
      },
    });
  }

  console.log(
    JSON.stringify(
      {
        ok: true,
        dryRun,
        updated,
        created,
        skipped,
        totalTargets: targets.length,
      },
      null,
      2,
    ),
  );
}

main()
  .catch((e) => {
    console.error(e);
    process.exitCode = 1;
  })
  .finally(async () => {
    await prisma.$disconnect();
  });