// test/pay-periods-approval.e2e-spec.ts
const supertest = require('supertest');
import { INestApplication } from '@nestjs/common';
import { PrismaService } from 'src/prisma/prisma.service';
import { createApp } from './utils/testing-app';
import { makeEmployee } from './factories/employee.factory';
import { makeTimesheet } from './factories/timesheet.factory';

describe('PayPeriods approval (e2e)', () => {
  const BASE = '/pay-periods';
  let app: INestApplication;
  let prisma: PrismaService;

  let periodYear: number;
  let periodNumber: number;

  let employeeId: number;
  let timesheetId: number;
  let shiftId: number;
  let expenseId: number;

  const isoDay = (d: Date) =>
    new Date(Date.UTC(d.getUTCFullYear(), d.getUTCMonth(), d.getUTCDate())).toISOString();
  const isoTime = (h: number, m = 0) =>
    new Date(Date.UTC(1970, 0, 1, h, m, 0)).toISOString();

  beforeAll(async () => {
    app = await createApp();
    prisma = app.get(PrismaService);

    // 1) Récupère un pay period existant
    const period = await prisma.payPeriods.findFirst({ orderBy: { period_number: 'asc' } });
    if (!period) throw new Error('Aucun pay period en DB (seed requis).');

    periodYear = period.year;
    periodNumber = period.period_number;

    // 2) Crée un employé + timesheet (non approuvé)
    const empRes = await supertest(app.getHttpServer())
      .post('/employees')
      .send(makeEmployee());
    if (empRes.status !== 201) {
      // eslint-disable-next-line no-console
      console.warn('Create employee error:', empRes.body || empRes.text);
      throw new Error('Impossible de créer un employé pour le test pay-periods.');
    }
    employeeId = empRes.body.id;

    const tsRes = await supertest(app.getHttpServer())
      .post('/timesheets')
      .send(makeTimesheet(employeeId, { is_approved: false }));
    if (tsRes.status !== 201) {
      // eslint-disable-next-line no-console
      console.warn('Create timesheet error:', tsRes.body || tsRes.text);
      throw new Error('Impossible de créer un timesheet pour le test pay-periods.');
    }
    timesheetId = tsRes.body.id;

    // 3) Bank codes
    const bcShift = await prisma.bankCodes.findFirst({
      where: { categorie: 'SHIFT' },
      select: { id: true },
    });
    if (!bcShift) throw new Error('Aucun bank code SHIFT trouvé.');
    const bcExpense = await prisma.bankCodes.findFirst({
      where: { categorie: 'EXPENSE' },
      select: { id: true },
    });
    if (!bcExpense) throw new Error('Aucun bank code EXPENSE trouvé.');

    // 4) Crée 1 shift + 1 expense DANS la période choisie
    const dateISO = isoDay(period.start_date);

    const shiftRes = await supertest(app.getHttpServer())
      .post('/shifts')
      .send({
        timesheet_id: timesheetId,
        bank_code_id: bcShift.id,
        date: dateISO,
        start_time: isoTime(9),
        end_time: isoTime(17),
        description: 'PP approval shift',
      });
    if (shiftRes.status !== 201) {
      // eslint-disable-next-line no-console
      console.warn('Create shift error:', shiftRes.body || shiftRes.text);
      throw new Error('Création shift échouée.');
    }
    shiftId = shiftRes.body.id;

    const expenseRes = await supertest(app.getHttpServer())
      .post('/Expenses') // <- respecte ta casse de route
      .send({
        timesheet_id: timesheetId,
        bank_code_id: bcExpense.id,
        date: dateISO,
        amount: 42,
        description: 'PP approval expense',
        is_approved: false,
      });
    if (expenseRes.status !== 201) {
      // eslint-disable-next-line no-console
      console.warn('Create expense error:', expenseRes.body || expenseRes.text);
      throw new Error('Création expense échouée.');
    }
    expenseId = expenseRes.body.id;
  });

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

  it(`PATCH ${BASE}/:year/:periodNumber/approval → 200 (cascade approval)`, async () => {
    const res = await supertest(app.getHttpServer())
      .patch(`${BASE}/${periodYear}/${periodNumber}/approval`)
      .send(); // aucun body requis par ton contrôleur
    expect([200, 204]).toContain(res.status);
    if (res.body?.message) {
      expect(String(res.body.message)).toContain(`${periodYear}-${periodNumber}`);
    }

    // Vérifie cascade:
    const tsCheck = await supertest(app.getHttpServer()).get(`/timesheets/${timesheetId}`);
    expect(tsCheck.status).toBe(200);
    expect(tsCheck.body?.is_approved).toBe(true);

    const shiftCheck = await supertest(app.getHttpServer()).get(`/shifts/${shiftId}`);
    expect(shiftCheck.status).toBe(200);
    expect(shiftCheck.body?.is_approved).toBe(true);

    const expCheck = await supertest(app.getHttpServer()).get(`/Expenses/${expenseId}`);
    expect(expCheck.status).toBe(200);
    expect(expCheck.body?.is_approved).toBe(true);
  });

  it(`PATCH ${BASE}/2099/999/approval → 404 (period not found)`, async () => {
    const bad = await supertest(app.getHttpServer())
      .patch(`${BASE}/2099/999/approval`)
      .send();
    expect(bad.status).toBe(404);
  });
});