import assert from 'node:assert/strict';
import { readFile } from 'node:fs/promises';
import { dirname, resolve } from 'node:path';
import { fileURLToPath } from 'node:url';
import { loadConfig } from '../dist/config.js';
import { closeMySqlPool, createMySqlPool } from '../dist/db/mysql.js';
import { LegacyReadRepository } from '../dist/db/legacy-read-repository.js';
import { TaskRepository } from '../dist/tasks/task-repository.js';
import {
  AmbiguousAppTenantError,
  PlatformConfigRepository
} from '../dist/tenancy/platform-config-repository.js';
import { AuthRepository } from '../dist/auth/auth-repository.js';
import { RbacRepository } from '../dist/auth/rbac-repository.js';
import { UserManagementRepository } from '../dist/auth/user-management-repository.js';
import { StoreRoomRepository, StoreRoomError } from '../dist/stores/store-room-repository.js';
import {
  executeMigrationPlan,
  loadMigrationPlan,
  splitSqlStatements
} from '../dist/db/migration-runner.js';

const expectedTables = [
  'qipai_async_tasks',
  'qipai_audit_logs',
  'qipai_auth_sessions',
  'qipai_devices',
  'qipai_legacy_table_mappings',
  'qipai_members',
  'qipai_orders',
  'qipai_outbox_events',
  'qipai_payments',
  'qipai_permissions',
  'qipai_platform_apps',
  'qipai_role_permissions',
  'qipai_roles',
  'qipai_room_categories',
  'qipai_room_disabled_periods',
  'qipai_rooms',
  'qipai_schema_migrations',
  'qipai_store_business_hours',
  'qipai_stores',
  'qipai_tenant_apps',
  'qipai_tenant_configs',
  'qipai_tenants',
  'qipai_user_admin_profiles',
  'qipai_user_identities',
  'qipai_user_roles',
  'qipai_user_store_scopes',
  'qipai_users'
];
const repoRoot = resolve(dirname(fileURLToPath(import.meta.url)), '../..');

async function readCoreTables(pool) {
  const placeholders = expectedTables.map(() => '?').join(', ');
  const [rows] = await pool.query(
    `SELECT table_name AS tableName
     FROM information_schema.tables
     WHERE table_schema = DATABASE()
       AND table_name IN (${placeholders})
     ORDER BY table_name`,
    expectedTables
  );
  return rows.map((row) => row.tableName);
}

async function readMigrationVersions(pool) {
  const [rows] = await pool.query(
    `SELECT version, name
     FROM qipai_schema_migrations
     WHERE version IN (?, ?, ?, ?, ?, ?, ?)
     ORDER BY version`,
    ['2026061601', '2026061802', '2026061803', '2026061804',
      '2026061805', '2026061806', '2026061807']
  );
  return rows;
}

async function loadLegacyFixture(pool) {
  const fixtureSql = await readFile(
    resolve(repoRoot, 'database/fixtures/2026061801_m01b_legacy_schema.sql'),
    'utf8'
  );
  const statements = splitSqlStatements(fixtureSql);
  for (const statement of statements) {
    await pool.query(statement);
  }
  return statements.length;
}

async function assertLegacyCompatibility(pool) {
  const repository = new LegacyReadRepository(pool);
  const stores = await repository.listStores({ tenantId: 1 });
  const rooms = await repository.listRooms({ tenantId: 1, parentId: 101 });
  const orders = await repository.listOrders({ tenantId: 1, parentId: 1001 });
  const devices = await repository.listDevices({ tenantId: 1, parentId: 1001 });

  assert.deepEqual(stores.map((record) => record.legacyId), [101]);
  assert.deepEqual(rooms.map((record) => record.legacyId), [1001, 1002]);
  assert.deepEqual(devices.map((record) => record.code), ['SANITIZED-DEVICE-001']);
  assert.equal(orders.length, 1);
  assert.equal(orders[0].code, 'LEGACY-SANITIZED-001');
  assert.equal(orders[0].totalAmountCents, 2580);
  assert.equal(orders[0].paidAmountCents, 2000);
  assert.equal(orders[0].renewalAmountCents, 580);
  assert.equal(orders[0].groupAmountCents, 0);
  assert.equal(orders[0].refundAmountCents, null);
}

async function assertTaskDurability(pool) {
  await pool.query(
    `INSERT INTO qipai_tenants (code, name)
     VALUES ('M01C-TEST', 'M01C sanitized test tenant')`
  );
  const firstRepository = new TaskRepository(pool);
  const firstEnqueue = await firstRepository.enqueue({
    tenantId: '1',
    taskType: 'order.advance',
    idempotencyKey: 'order:501:paid',
    payload: { orderId: '501' },
    maxAttempts: 3
  });
  const duplicateEnqueue = await firstRepository.enqueue({
    tenantId: '1',
    taskType: 'order.advance',
    idempotencyKey: 'order:501:paid',
    payload: { orderId: '501' },
    maxAttempts: 3
  });
  assert.equal(firstEnqueue.created, true);
  assert.equal(duplicateEnqueue.created, false);
  assert.equal(duplicateEnqueue.id, firstEnqueue.id);

  const restartedRepository = new TaskRepository(pool);
  const claimed = await restartedRepository.claimNext('worker-after-restart', 30_000);
  assert.equal(claimed?.id, firstEnqueue.id);
  assert.equal(claimed?.attempts, 1);
  assert.equal(await restartedRepository.complete(claimed.id, 'worker-after-restart'), true);

  const [rows] = await pool.query(
    `SELECT status, attempts FROM qipai_async_tasks WHERE id = ?`,
    [firstEnqueue.id]
  );
  assert.deepEqual(rows, [{ status: 'SUCCEEDED', attempts: 1 }]);
}

async function assertPlatformTenantIsolation(pool) {
  const [tenantResult] = await pool.query(
    `INSERT INTO qipai_tenants (code, name)
     VALUES ('M02A-A', 'M02A tenant A'), ('M02A-B', 'M02A tenant B')`
  );
  const firstTenantId = Number(tenantResult.insertId);
  const secondTenantId = firstTenantId + 1;
  const [appResult] = await pool.query(
    `INSERT INTO qipai_platform_apps (appid, name)
     VALUES ('wx-m02a-shared', 'M02A shared app')`
  );
  const platformAppId = Number(appResult.insertId);

  await pool.query(
    `INSERT INTO qipai_tenant_apps
       (tenant_id, platform_app_id, is_default)
     VALUES (?, ?, 1), (?, ?, 0)`,
    [firstTenantId, platformAppId, secondTenantId, platformAppId]
  );
  await pool.query(
    `INSERT INTO qipai_tenant_configs
       (tenant_id, platform_app_id, brand_name, theme_color)
     VALUES (?, ?, 'Tenant A Brand', '#111111'),
            (?, ?, 'Tenant B Brand', '#222222')`,
    [firstTenantId, platformAppId, secondTenantId, platformAppId]
  );

  const repository = new PlatformConfigRepository(pool);
  const tenantA = await repository.resolveBootstrap('wx-m02a-shared', String(firstTenantId));
  const tenantB = await repository.resolveBootstrap('wx-m02a-shared', String(secondTenantId));
  assert.equal(tenantA?.brand.name, 'Tenant A Brand');
  assert.equal(tenantB?.brand.name, 'Tenant B Brand');
  assert.equal(
    await repository.resolveBootstrap('wx-m02a-shared', String(secondTenantId + 999)),
    null
  );
  await assert.rejects(
    () => repository.resolveBootstrap('wx-m02a-shared'),
    AmbiguousAppTenantError
  );
  return {
    tenantId: String(firstTenantId),
    platformAppId: String(platformAppId),
    appId: 'wx-m02a-shared'
  };
}

async function assertRevocableAuthSession(pool, context) {
  const repository = new AuthRepository(pool);
  const resolved = await repository.resolveLoginContext(context.appId, context.tenantId);
  assert.deepEqual(resolved, context);
  const sessionId = '9c47fdb5-0c38-463a-858f-e1d85ce9b3fd';
  const session = await repository.loginWithWechat({
    context,
    openid: 'm02b-openid-a',
    unionid: 'm02b-unionid',
    sessionId,
    expiresAt: new Date(Date.now() + 60_000),
    ip: '127.0.0.1',
    userAgent: 'M02-B test'
  });
  assert.equal(session.user.userType, 'CUSTOMER');
  const rbac = new RbacRepository(pool);
  assert.deepEqual(await rbac.getAccessProfile(context.tenantId, session.user.id), {
    roles: ['CUSTOMER'],
    capabilities: ['order.self.read', 'profile.read'],
    storeIds: []
  });
  const [storeResult] = await pool.query(
    `INSERT INTO qipai_stores (tenant_id, name) VALUES (?, 'M02C Store')`,
    [context.tenantId]
  );
  assert.equal(await rbac.grantStore({
    tenantId: context.tenantId,
    userId: session.user.id,
    storeId: String(storeResult.insertId),
    scopeType: 'STAFF'
  }), true);
  assert.equal(await rbac.grantStore({
    tenantId: String(Number(context.tenantId) + 1),
    userId: session.user.id,
    storeId: String(storeResult.insertId),
    scopeType: 'STAFF'
  }), false);
  assert.equal((await repository.loginWithWechat({
    context,
    openid: 'm02b-openid-a',
    unionid: 'm02b-unionid',
    sessionId: 'c07df18c-a90d-4fa6-bea2-640d9710c84e',
    expiresAt: new Date(Date.now() + 60_000),
    ip: '127.0.0.1',
    userAgent: 'M02-B repeat login'
  })).user.id, session.user.id);
  assert.ok(await repository.validateSession(sessionId, context.tenantId, session.user.id));
  assert.equal(await repository.revokeSession(sessionId), true);
  assert.equal(await repository.validateSession(sessionId, context.tenantId, session.user.id), null);

  const roleSessionId = 'd8eb245b-e513-401e-9046-f574447909ad';
  await repository.loginWithWechat({
    context,
    openid: 'm02b-openid-a',
    sessionId: roleSessionId,
    expiresAt: new Date(Date.now() + 60_000),
    ip: '127.0.0.1',
    userAgent: 'M02-B role test'
  });
  await pool.query(
    'UPDATE qipai_users SET role_version = role_version + 1 WHERE tenant_id = ? AND id = ?',
    [context.tenantId, session.user.id]
  );
  assert.equal(await repository.validateSession(roleSessionId, context.tenantId, session.user.id), null);
}

async function assertUserManagement(pool, context) {
  const [adminResult] = await pool.query(
    `INSERT INTO qipai_users (tenant_id, user_type, nickname, phone)
     VALUES (?, 'STAFF', 'Tenant Admin', '13800000001')`,
    [context.tenantId]
  );
  const adminId = String(adminResult.insertId);
  await pool.query(
    `INSERT INTO qipai_user_roles (tenant_id, user_id, role_id)
     SELECT ?, ?, id FROM qipai_roles WHERE tenant_id = ? AND code = 'TENANT_ADMIN'`,
    [context.tenantId, adminId, context.tenantId]
  );
  const rbac = new RbacRepository(pool);
  const access = await rbac.getAccessProfile(context.tenantId, adminId);
  assert.ok(access.capabilities.includes('tenant.manage'));
  assert.ok(access.capabilities.includes('staff.manage'));
  const [storeResult] = await pool.query(
    `INSERT INTO qipai_stores (tenant_id, name) VALUES (?, 'M02D Staff Store')`,
    [context.tenantId]
  );
  const repository = new UserManagementRepository(pool);
  const actor = {
    tenantId: context.tenantId,
    userId: adminId,
    access,
    traceId: 'm02d-live-test',
    ip: '127.0.0.1',
    userAgent: 'M02-D live test'
  };
  const created = await repository.createStaff(actor, {
    nickname: 'Live Staff',
    phone: '13800000002',
    note: 'sanitized live test',
    roles: ['STAFF'],
    storeIds: [String(storeResult.insertId)]
  });
  const sessionId = '7197e528-f727-4c85-a490-f5ec1721594c';
  await pool.query(
    `INSERT INTO qipai_auth_sessions
      (id, tenant_id, platform_app_id, user_id, role_version, expires_at)
     SELECT ?, ?, ?, id, role_version, DATE_ADD(UTC_TIMESTAMP(3), INTERVAL 1 HOUR)
     FROM qipai_users WHERE tenant_id = ? AND id = ?`,
    [sessionId, context.tenantId, context.platformAppId, context.tenantId, created.userId]
  );
  await repository.updateUser(actor, created.userId, {
    status: 'DISABLED',
    roles: ['STAFF'],
    storeIds: [String(storeResult.insertId)]
  });
  const [sessionRows] = await pool.query(
    'SELECT status, revoke_reason AS revokeReason FROM qipai_auth_sessions WHERE id = ?',
    [sessionId]
  );
  assert.deepEqual(sessionRows, [{ status: 'REVOKED', revokeReason: 'ACCESS_CHANGED' }]);
  const [auditRows] = await pool.query(
    `SELECT action FROM qipai_audit_logs
     WHERE tenant_id = ? AND resource_type = 'USER' AND resource_id = ?
     ORDER BY id`,
    [context.tenantId, created.userId]
  );
  assert.deepEqual(auditRows.map((row) => row.action), ['STAFF_CREATED', 'USER_UPDATED']);
}

async function assertStoreRoomDomain(pool, context) {
  const [adminRows] = await pool.query(
    `SELECT u.id FROM qipai_users u
     INNER JOIN qipai_user_roles ur ON ur.tenant_id = u.tenant_id AND ur.user_id = u.id
     INNER JOIN qipai_roles r ON r.id = ur.role_id AND r.tenant_id = ur.tenant_id
     WHERE u.tenant_id = ? AND r.code = 'TENANT_ADMIN' LIMIT 1`,
    [context.tenantId]
  );
  const adminId = String(adminRows[0].id);
  const rbac = new RbacRepository(pool);
  const access = await rbac.getAccessProfile(context.tenantId, adminId);
  const repository = new StoreRoomRepository(pool);
  const actor = {
    tenantId: context.tenantId, userId: adminId, access,
    traceId: 'm03a-live-test', ip: '127.0.0.1', userAgent: 'M03-A live test'
  };
  const store = await repository.createStore(actor, {
    name: 'M03A Store', address: 'Sanitized address',
    longitude: 121.4737, latitude: 31.2304, contactPhone: '13800000003',
    timezone: 'Asia/Shanghai', businessStatus: 'OPEN',
    wifiSsid: 'M03A-WIFI', wifiPassword: 'sanitized-password',
    notificationUrl: '', sortOrder: 1,
    businessHours: [
      { weekday: 1, openMinute: 600, closeMinute: 1320, isClosed: false },
      { weekday: 2, openMinute: 600, closeMinute: 1320, isClosed: false }
    ]
  });
  const roomInput = {
    storeId: store.storeId, categoryName: '标准间', name: 'M03A Room', roomNo: 'A01',
    capacity: 4, basePriceCents: 3000, weekdayPriceCents: 2800,
    holidayPriceCents: 3500, overnightPriceCents: 12000, depositCents: 5000,
    minimumMinutes: 60, maxAdvanceStartMinutes: 30, maxAdvanceDays: 30,
    configurationStatus: 'ENABLED', operationalStatus: 'AVAILABLE',
    tags: ['麻将', '禁烟'], images: ['https://api.txyundm.cn/uploads/test-room.jpg'],
    sortOrder: 1
  };
  const room = await repository.createRoom(actor, roomInput);
  await repository.addDisabledPeriod(actor, room.roomId, {
    storeId: store.storeId,
    startsAt: new Date('2026-06-20T02:00:00.000Z'),
    endsAt: new Date('2026-06-20T04:00:00.000Z'),
    reason: 'maintenance rehearsal'
  });
  const stores = await repository.listStores(actor);
  const rooms = await repository.listRooms(actor, store.storeId);
  assert.equal(stores.find((item) => item.id === store.storeId)?.timezone, 'Asia/Shanghai');
  assert.equal(rooms.find((item) => item.id === room.roomId)?.holidayPriceCents, 3500);
  assert.deepEqual(rooms.find((item) => item.id === room.roomId)?.tags, ['麻将', '禁烟']);
  await assert.rejects(
    () => repository.listRooms({
      ...actor,
      access: {
        roles: ['STORE_ADMIN'],
        capabilities: ['store.operation.read', 'store.operation.write'],
        storeIds: [String(Number(store.storeId) + 999)]
      }
    }, store.storeId),
    (error) => error instanceof StoreRoomError && error.code === 'STORE_SCOPE_FORBIDDEN'
  );
  const [auditRows] = await pool.query(
    `SELECT action FROM qipai_audit_logs
     WHERE tenant_id = ? AND trace_id = 'm03a-live-test' ORDER BY id`,
    [context.tenantId]
  );
  assert.deepEqual(auditRows.map((row) => row.action), [
    'STORE_CREATED', 'ROOM_CREATED', 'ROOM_DISABLED_PERIOD_CREATED'
  ]);
}

const config = loadConfig();
assert.equal(config.mysql.passwordConfigured, true, 'Live migration test requires a temporary password.');
assert.match(
  config.mysql.database,
  /^qipai_m01c_test_[a-z0-9_]+$/,
  'Live migration test refuses to use a non-temporary database.'
);

const plans = {
  up: await loadMigrationPlan('up'),
  verify: await loadMigrationPlan('verify'),
  down: await loadMigrationPlan('down')
};
const pool = createMySqlPool(config);

try {
  const legacyFixtureStatements = await loadLegacyFixture(pool);
  await assertLegacyCompatibility(pool);
  console.log('PASS: sanitized legacy fixture is readable before migration.');

  await executeMigrationPlan(pool, plans.up);
  await executeMigrationPlan(pool, plans.verify);
  assert.deepEqual(await readCoreTables(pool), expectedTables);
  assert.deepEqual(await readMigrationVersions(pool), [
    { version: '2026061601', name: 'm01b_core_schema' },
    { version: '2026061802', name: 'm01c_async_tasks' },
    { version: '2026061803', name: 'm02a_tenant_apps' },
    { version: '2026061804', name: 'm02b_wechat_auth' },
    { version: '2026061805', name: 'm02c_rbac' },
    { version: '2026061806', name: 'm02d_user_management' },
    { version: '2026061807', name: 'm03a_store_room_domain' }
  ]);
  await assertTaskDurability(pool);
  const loginContext = await assertPlatformTenantIsolation(pool);
  await assertRevocableAuthSession(pool, loginContext);
  await assertUserManagement(pool, loginContext);
  await assertStoreRoomDomain(pool, loginContext);
  await assertLegacyCompatibility(pool);
  console.log('PASS: first up, verify, tenant isolation and revocable auth checks completed.');

  await executeMigrationPlan(pool, plans.down);
  assert.deepEqual(await readCoreTables(pool), []);
  await assertLegacyCompatibility(pool);
  console.log('PASS: down removed all M01-B/M01-C tables.');

  await executeMigrationPlan(pool, plans.up);
  await executeMigrationPlan(pool, plans.verify);
  assert.deepEqual(await readCoreTables(pool), expectedTables);
  assert.deepEqual(await readMigrationVersions(pool), [
    { version: '2026061601', name: 'm01b_core_schema' },
    { version: '2026061802', name: 'm01c_async_tasks' },
    { version: '2026061803', name: 'm02a_tenant_apps' },
    { version: '2026061804', name: 'm02b_wechat_auth' },
    { version: '2026061805', name: 'm02c_rbac' },
    { version: '2026061806', name: 'm02d_user_management' },
    { version: '2026061807', name: 'm03a_store_room_domain' }
  ]);
  await assertLegacyCompatibility(pool);
  console.log('PASS: second up and verify restored the schema.');

  console.log(JSON.stringify({
    mysqlHost: config.mysql.host,
    databaseClass: 'temporary',
    sequence: ['up', 'verify', 'down', 'up', 'verify'],
    checksums: {
      up: plans.up.checksum,
      verify: plans.verify.checksum,
      down: plans.down.checksum
    },
    statementCounts: {
      up: plans.up.statements.length,
      verify: plans.verify.statements.length,
      down: plans.down.statements.length
    },
    legacyFixtureStatements,
    legacyCompatibilityChecks: [
      'stores',
      'rooms',
      'orders',
      'devices',
      'tenant isolation',
      'decimal cents',
      'app-to-tenant binding',
      'cross-tenant bootstrap rejection',
      'openid identity reuse',
      'session revocation',
      'role-version invalidation',
      'customer capabilities',
      'cross-tenant store grant rejection',
      'staff creation and store assignment',
      'access-change session revocation',
      'user-management audit log',
      'store business hours and coordinates',
      'room category and integer-cent pricing',
      'configuration and operational status separation',
      'room disabled period',
      'cross-store management rejection'
    ]
  }, null, 2));
} finally {
  await closeMySqlPool(pool);
}