import test from "ava";

import { PrismaClient } from '@prisma/client';

import { PrismaPg } from '@prisma/adapter-pg';

import request from 'supertest';

import jwt from 'jsonwebtoken';

import 'dotenv/config';

import { Express } from 'express';

import { createApp } from '../../src/createApp';

let prisma: PrismaClient;

let app: Express;

test.before(() => {

  process.env.NODE_ENV = 'test';

  process.env.JWT_SECRET = 'test-secret-key';

  const connectionString = process.env.DATABASE_URL || 'postgres://user:password@orbit_db:5432/orbit_test';

  const adapter = new PrismaPg({ connectionString });

  prisma = new PrismaClient({ adapter });

  // Create Express app with test Prisma client

  app = createApp(prisma);

});

test.beforeEach(async () => {

  // Clean database before each test

  try {

    await prisma.user.deleteMany({});

  } catch (err) {

    console.error('Error cleaning test DB:', err);

  }

});

test.after.always(async () => {

  await prisma?.$disconnect();

});

test("POST /users creates a new user and returns JWT token", async (t) => {

  const userData = {

    email: "falamansa@example.com",

    firstName: "Fala",

    lastName: "Mansa",

    password: "IscreviSeuNomeNaAreia"

  };

  const response = await request(app)

    .post('/users')

    .send(userData)

    .expect('Content-Type', /json/)

    .expect(201);

  // Should return a JWT token

  t.truthy(response.body.token);

  // Verify the token is valid

  const decoded = jwt.verify(response.body.token, process.env.JWT_SECRET!) as any;

  t.is(decoded.email, userData.email);

  t.truthy(decoded.userId);

  // Verify user was created in database

  const dbUser = await prisma.user.findUnique({

    where: { email: userData.email }

  });

  t.truthy(dbUser);

  t.is(dbUser!.email, userData.email);

  t.is(dbUser!.firstName, userData.firstName);

  t.is(dbUser!.lastName, userData.lastName);

});

test("POST /users returns 400 for missing required fields", async (t) => {

  const response = await request(app)

    .post('/users')

    .send({

      email: "invalid@example.com"

      // Missing firstName and password

    })

    .expect('Content-Type', /json/)

    .expect(400);

  t.truthy(response.body.error);

  t.is(response.body.error, "Campos faltantes"); // TODO: i18n?

  t.truthy(response.body.missing);

  t.true(response.body.missing.includes('password'));

  t.true(response.body.missing.includes('firstName'));

});

test("POST /users returns 409 for duplicate email", async (t) => {

  const email = "duplicate@example.com";

  // Create first user

  await prisma.user.create({

    data: {

      email,

      firstName: "First",

      lastName: "User",

      encryptedPassword: "$2a$10$test"

    }

  });

  // Try to create second user with same email

  const response = await request(app)

    .post('/users')

    .send({

      email,

      firstName: "Second",

      lastName: "User",

      password: "hunter2"

    })

    .expect('Content-Type', /json/)

    .expect(409);

  t.truthy(response.body.error);

});

test("createApp successfully integrates with Prisma and Express", async (t) => {

  // Test that the app factory works correctly

  const testApp = createApp(prisma);

  t.truthy(testApp);

  t.is(typeof testApp.use, 'function');

  t.is(typeof testApp.listen, 'function');

  // Verify the app has the prisma client in locals

  t.is(testApp.locals.prisma, prisma);

});