import { INestApplication } from '@nestjs/common';
import { Test, TestingModule } from '@nestjs/testing';
import { eq } from 'drizzle-orm';
import request from 'supertest';
import { App } from 'supertest/types';
import { AppModule } from '../src/app.module';
import { configureApp } from '../src/common/configure-app';
import { DRIZZLE, type DrizzleDB } from '../src/database/database.module';
import {
  privilegeDetails,
  privilegeKeys,
  privileges,
  users,
} from '../src/database/schema';
import { PRIVILEGE_ACTIONS } from '../src/modules/privileges/privilege-action';

describe('Customers (e2e)', () => {
  let app: INestApplication<App>;
  let db: DrizzleDB;

  const password = 'password123';
  const adminUsername = `cu_admin_${Date.now()}`;
  const otherUsername = `cu_other_${Date.now()}`;

  let adminAccessToken: string;
  let adminUserId: string;
  let otherAccessToken: string;

  const payload = {
    code: `CUST_${Date.now().toString().slice(-6)}`,
    name: 'Acme Corp',
    phone: '+6281234567890',
    address: 'Jl Sudirman No 1',
  };

  beforeAll(async () => {
    const moduleFixture: TestingModule = await Test.createTestingModule({
      imports: [AppModule],
    }).compile();

    app = moduleFixture.createNestApplication();
    configureApp(app, {
      NODE_ENV: 'test',
      SWAGGER_ENABLED: 'false',
    });
    await app.init();
    db = app.get(DRIZZLE);

    const adminReg = await request(app.getHttpServer())
      .post('/auth/register')
      .send({ username: adminUsername, password })
      .expect(201);
    adminAccessToken = (adminReg.body as { accessToken: string }).accessToken;

    const adminMe = await request(app.getHttpServer())
      .get('/auth/me')
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .expect(200);
    adminUserId = (adminMe.body as { id: string }).id;

    const otherReg = await request(app.getHttpServer())
      .post('/auth/register')
      .send({ username: otherUsername, password })
      .expect(201);
    otherAccessToken = (otherReg.body as { accessToken: string }).accessToken;

    const now = Date.now();
    const [priv] = await db
      .insert(privileges)
      .values({
        name: 'Customer Admin',
        code: `CU_ADMIN_${now}`,
        status: 'active',
        createdAt: now,
        updatedAt: now,
        createdBy: adminUserId,
        updatedBy: adminUserId,
      })
      .returning();

    const keys = await db.select().from(privilegeKeys);
    const detailRows = keys.flatMap((key) =>
      PRIVILEGE_ACTIONS.map((action) => ({
        privilegeId: priv.id,
        privilegeKeyId: key.id,
        action,
        value: true,
      })),
    );
    await db.insert(privilegeDetails).values(detailRows);

    await db
      .update(users)
      .set({ privilegeId: priv.id, updatedAt: Date.now() })
      .where(eq(users.id, adminUserId));
  });

  afterAll(async () => {
    await app.close();
  });

  it('forbids customers list without permission', async () => {
    await request(app.getHttpServer())
      .get('/customers')
      .set('Authorization', `Bearer ${otherAccessToken}`)
      .expect(403);
  });

  it('rejects unauthenticated access', async () => {
    await request(app.getHttpServer()).get('/customers').expect(401);
  });

  it('CRUD customers with contacts, uniqueness, nested routes, and bulk', async () => {
    const created = await request(app.getHttpServer())
      .post('/customers')
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({
        ...payload,
        contacts: [
          {
            name: 'Jean Luc',
            jobTitle: 'Buyer',
            phone: '+6281234567891',
          },
        ],
      })
      .expect(201);

    expect(created.body).toMatchObject({
      code: payload.code,
      name: 'Acme Corp',
      phone: '+6281234567890',
      status: 'draft',
      createdBy: adminUserId,
      latitude: null,
      nfcId: null,
    });
    expect(
      (created.body as { contacts: Array<{ name: string }> }).contacts,
    ).toEqual([expect.objectContaining({ name: 'Jean Luc' })]);
    const id = (created.body as { id: string }).id;

    await request(app.getHttpServer())
      .post('/customers')
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({ ...payload, code: 'BAD 01', name: 'Other Corp' })
      .expect(400);

    await request(app.getHttpServer())
      .post('/customers')
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({ ...payload, code: 'PHN_01', phone: '081234567890' })
      .expect(400);

    await request(app.getHttpServer())
      .post('/customers')
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({ ...payload, code: payload.code, name: 'Other Corp' })
      .expect(409);

    const detail = await request(app.getHttpServer())
      .get(`/customers/${id}`)
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .expect(200);
    expect((detail.body as { contacts: unknown[] }).contacts.length).toBe(1);

    await request(app.getHttpServer())
      .patch(`/customers/${id}`)
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({
        name: 'Acme International',
        latitude: -6.2,
        longitude: 106.8,
        nfcId: 'NFC-001',
        contacts: [{ name: 'Ada Lovelace', jobTitle: 'Director' }],
      })
      .expect(200);

    const replaced = await request(app.getHttpServer())
      .get(`/customers/${id}`)
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .expect(200);
    expect(
      (replaced.body as { contacts: Array<{ name: string }> }).contacts,
    ).toEqual([expect.objectContaining({ name: 'Ada Lovelace' })]);

    await request(app.getHttpServer())
      .patch(`/customers/${id}`)
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({ status: 'active' })
      .expect(400);

    await request(app.getHttpServer())
      .patch(`/customers/${id}/status`)
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({ status: 'active' })
      .expect(200);

    const added = await request(app.getHttpServer())
      .post(`/customers/${id}/contacts`)
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({ name: 'Grace Hopper', mobilePhone: '+6281234567892' })
      .expect(201);
    const contacts = (
      added.body as { contacts: Array<{ id: string; name: string }> }
    ).contacts;
    expect(contacts.map((c) => c.name)).toEqual(
      expect.arrayContaining(['Ada Lovelace', 'Grace Hopper']),
    );
    const graceId = contacts.find((c) => c.name === 'Grace Hopper')!.id;

    await request(app.getHttpServer())
      .patch(`/customers/${id}/contacts/${graceId}`)
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({ jobTitle: 'Engineer' })
      .expect(200);

    await request(app.getHttpServer())
      .delete(`/customers/${id}/contacts/${graceId}`)
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .expect(204);

    const list = await request(app.getHttpServer())
      .get('/customers?search=Acme')
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .expect(200);
    expect(
      (list.body as { data: unknown[] }).data.length,
    ).toBeGreaterThanOrEqual(1);
    expect(
      (list.body as { data: Array<{ contacts?: unknown }> }).data[0],
    ).not.toHaveProperty('contacts');
    expect((list.body as { meta?: unknown }).meta).toBeDefined();

    const extra = await request(app.getHttpServer())
      .post('/customers')
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({
        ...payload,
        code: `OTH_${Date.now().toString().slice(-6)}`,
        name: 'Beta Corp',
      })
      .expect(201);

    await request(app.getHttpServer())
      .post('/customers/bulk-status')
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({ ids: [(extra.body as { id: string }).id], status: 'archived' })
      .expect(200);

    await request(app.getHttpServer())
      .post('/customers/bulk-delete')
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .send({ ids: [(extra.body as { id: string }).id] })
      .expect(200);

    await request(app.getHttpServer())
      .delete(`/customers/${id}`)
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .expect(204);
  });

  it('imports customers from CSV', async () => {
    const suffix = Date.now().toString().slice(-6);
    const csv =
      'code,name,phone,address,status\n' +
      `IMP_${suffix},Imported Corp,+6281234567890,Jl Imported No 1,draft\n`;
    const res = await request(app.getHttpServer())
      .post('/customers/import')
      .set('Authorization', `Bearer ${adminAccessToken}`)
      .attach('file', Buffer.from(csv, 'utf8'), 'customers.csv')
      .expect(201);

    expect(res.body as { imported: number }).toMatchObject({ imported: 1 });
  });
});