import { NotFoundException } from '@nestjs/common';
import { EquipmentService } from './equipment.service';
import { PrismaService } from '../prisma/prisma.service';
import { AuditLogService } from '../audit/audit-log.service';

describe('EquipmentService', () => {
  let service: EquipmentService;
  let prisma: {
    equipment: {
      findMany: jest.Mock;
      findUnique: jest.Mock;
      create: jest.Mock;
      update: jest.Mock;
    };
  };
  let auditLog: { record: jest.Mock };

  beforeEach(() => {
    prisma = {
      equipment: {
        findMany: jest.fn(),
        findUnique: jest.fn(),
        create: jest.fn(),
        update: jest.fn(),
      },
    };
    auditLog = { record: jest.fn() };
    service = new EquipmentService(
      prisma as unknown as PrismaService,
      auditLog as unknown as AuditLogService,
    );
  });

  it('creates equipment and records an audit log entry', async () => {
    const created = {
      id: 'e1',
      inventoryNumber: 'INV-1',
      name: 'Honigschleuder',
    };
    prisma.equipment.create.mockResolvedValueOnce(created);

    const result = await service.create(
      { inventoryNumber: 'INV-1', name: 'Honigschleuder' },
      'user-1',
    );

    expect(result).toEqual(created);
    expect(auditLog.record).toHaveBeenCalledWith(
      expect.objectContaining({ entityType: 'Equipment', action: 'CREATE' }),
    );
  });

  it('throws NotFoundException when equipment does not exist', async () => {
    prisma.equipment.findUnique.mockResolvedValueOnce(null);
    await expect(service.findById('missing')).rejects.toBeInstanceOf(
      NotFoundException,
    );
  });

  it('updates equipment condition and records before/after audit data', async () => {
    const before = { id: 'e1', condition: 'GOOD' };
    const after = { id: 'e1', condition: 'WORN' };
    prisma.equipment.findUnique.mockResolvedValueOnce(before);
    prisma.equipment.update.mockResolvedValueOnce(after);

    const result = await service.update(
      'e1',
      { condition: 'WORN' } as never,
      'user-1',
    );

    expect(result).toEqual(after);
    expect(auditLog.record).toHaveBeenCalledWith(
      expect.objectContaining({
        action: 'UPDATE',
        beforeData: before,
        afterData: after,
      }),
    );
  });
});