import { beforeEach, describe, expect, it, vi } from 'vitest';

vi.mock('@/lib/prisma', () => ({
  prisma: {
    classifications: {
      findMany: vi.fn(),
      findUnique: vi.fn(),
      create: vi.fn(),
      update: vi.fn(),
      delete: vi.fn(),
    },
  },
}));

import * as referenceService from '@/services/reference-lookups.service';
import { prisma } from '@/lib/prisma';

describe('Unit - services/reference-lookups.classification', () => {
  beforeEach(() => {
    vi.resetAllMocks();
  });

  it('listClassification: should return the  classification list with pagination', async () => {
    const limit = 25;
    const offset = 50;

    const expectedList = [{ id: 1 }, { id: 2 }];

    vi.mocked(prisma.classifications.findMany).mockResolvedValue(expectedList as never);

    const result = await referenceService.listClassifications(limit, offset);

    expect(prisma.classifications.findMany).toHaveBeenCalledWith({
      orderBy: [{ id: 'asc' }],
      take: limit,
      skip: offset,
    });

    expect(result).toEqual(expectedList);
  });

  it('getClassificationById returns a classification by id', async () => {
    const expected = {
      id: 1,
      id_classification: 1,
      classification: "class",
      niveau: "Fort",
      echelon: "Haut",
      coefficient: 2,
      actif: true,
      etablissement: "etb",
      date_creation: new Date('2026-05-28T00:00:00.000Z'),
    };

    vi.mocked(prisma.classifications.findUnique).mockResolvedValue(expected);

    const result = await referenceService.getClassificationById(1);

    expect(prisma.classifications.findUnique).toHaveBeenCalledWith({
      where: { id: 1 },
    });

    expect(result).toEqual(expected);
  });

  it('createClassificationcreates a cs', async () => {
    const payload = {
      id_classification: 1,
      classification: "class",
      niveau: "Fort",
      echelon: "Haut",
      coefficient: 2,
      actif: true,
      etablissement: "etb",
    };

    const expected = {
      id: 1,
      ...payload,
      date_creation: new Date('2026-05-28T00:00:00.000Z'),
    };

    vi.mocked(prisma.classifications.create).mockResolvedValue(expected);

    const result = await referenceService.createClassification(payload);

    expect(prisma.classifications.create).toHaveBeenCalledWith({
      data: payload,
    });

    expect(result).toEqual(expected);
  });

  it('updateClassification updates a classification', async () => {
    const payload = {
      etablissement: 'Mise à jour',
    };

    const expected = {
      id: 1,
      id_classification: 1,
      classification: "class",
      niveau: "Fort",
      echelon: "Haut",
      coefficient: 2,
      actif: true,
      etablissement: "Mise à jour",
      date_creation: new Date('2026-05-28T00:00:00.000Z'),
    };

    vi.mocked(prisma.classifications.update).mockResolvedValue(expected);

    const result = await referenceService.updateClassification(1, payload);

    expect(prisma.classifications.update).toHaveBeenCalledWith({
      where: { id: 1 },
      data: payload,
    });

    expect(result).toEqual(expected);
  });

  it('deleteClassification deletes a cs', async () => {
    const expected = {
      id: 1,
      id_classification: 1,
      classification: "class",
      niveau: "Fort",
      echelon: "Haut",
      coefficient: 2,
      actif: true,
      etablissement: "etb",
      date_creation: new Date('2026-05-28T00:00:00.000Z'),
    };

    vi.mocked(prisma.classifications.delete).mockResolvedValue(expected);

    const result = await referenceService.deleteClassification(1);

    expect(prisma.classifications.delete).toHaveBeenCalledWith({
      where: { id: 1 },
    });

    expect(result).toEqual(expected);
  });
});