import {
  BadRequestException,
  ConflictException,
  NotFoundException,
} from '@nestjs/common';
import { Test, TestingModule } from '@nestjs/testing';
import type { AuthUser } from '../../../common/auth/auth-user';
import { DateTime } from '../../../common/value-objects/date-time/date-time';
import { Status } from '../../../common/value-objects/status/status';
import { BranchesService } from '../../configuration/branches/branches.service';
import { CustomersService } from '../../configuration/customers/customers.service';
import { EmployeesService } from '../../configuration/employees/employees.service';
import { PrivilegesService } from '../../privileges/privileges.service';
import type { Cycle } from './cycle';
import { CyclesRepository } from './cycles.repository';
import { CyclesService } from './cycles.service';

describe('CyclesService', () => {
  let service: CyclesService;
  let repository: jest.Mocked<
    Pick<
      CyclesRepository,
      | 'list'
      | 'findById'
      | 'findLiveByKey'
      | 'create'
      | 'update'
      | 'updateStatus'
      | 'bulkUpdateStatus'
      | 'archive'
      | 'bulkArchive'
    >
  >;
  const employeesService = { findById: jest.fn(), findByCode: jest.fn() };
  const branchesService = { findById: jest.fn(), findByCode: jest.fn() };
  const customersService = { findById: jest.fn(), findByCode: jest.fn() };
  const privilegesService = { checkPermission: jest.fn(), checkAnyPermission: jest.fn() };

  const now = DateTime.fromUnixMs(1_700_000_000_000);
  const user: AuthUser = {
    id: 'user-1',
    username: 'alice',
    jti: 'jti-1',
    isSuperadmin: true,
  };
  const geometry = {
    type: 'LineString' as const,
    coordinates: [
      [106.8, -6.2],
      [106.9, -6.3],
      [107.0, -6.4],
    ] as const,
  };
  const sample: Cycle = {
    id: 'cyc-1',
    employeeId: 'emp-1',
    purpose: 'sales',
    cycleNumber: 1,
    weekdays: [
      {
        id: 'wd-1',
        weekday: 'monday',
        startBranchId: 'br-1',
        endBranchId: 'br-2',
        startBranch: { id: 'br-1', code: 'B1', name: 'Start' },
        endBranch: { id: 'br-2', code: 'B2', name: 'End' },
        routeGeometry: geometry,
        destinations: [
          {
            id: 'dest-1',
            customerId: 'cus-1',
            customer: { id: 'cus-1', code: 'C1', name: 'Acme' },
            sortOrder: 0,
          },
        ],
      },
    ],
    status: Status.create('draft'),
    createdAt: now,
    updatedAt: now,
    createdBy: 'user-1',
    updatedBy: 'user-1',
    employee: { id: 'emp-1', code: 'E1', name: 'Ada' },
    createdByUser: { id: 'user-1', username: 'admin' },
    updatedByUser: { id: 'user-1', username: 'admin' },
  };

  const located = { id: 'x', latitude: -6.2, longitude: 106.8 };

  beforeEach(async () => {
    jest.clearAllMocks();
    repository = {
      list: jest.fn(),
      findById: jest.fn(),
      findLiveByKey: jest.fn(),
      create: jest.fn(),
      update: jest.fn(),
      updateStatus: jest.fn(),
      bulkUpdateStatus: jest.fn(),
      archive: jest.fn(),
      bulkArchive: jest.fn(),
    };
    employeesService.findById.mockResolvedValue({ id: 'emp-1' });
    branchesService.findById.mockResolvedValue(located);
    customersService.findById.mockResolvedValue(located);
    repository.findLiveByKey.mockResolvedValue(null);
    repository.create.mockResolvedValue(sample);

    const moduleRef: TestingModule = await Test.createTestingModule({
      providers: [
        CyclesService,
        { provide: CyclesRepository, useValue: repository },
        { provide: EmployeesService, useValue: employeesService },
        { provide: BranchesService, useValue: branchesService },
        { provide: CustomersService, useValue: customersService },
        { provide: PrivilegesService, useValue: privilegesService },
      ],
    }).compile();
    service = moduleRef.get(CyclesService);
  });

  it('create rejects incomplete weekdays', async () => {
    await expect(
      service.create({
        employeeId: 'emp-1',
        purpose: 'sales',
        cycleNumber: 1,
        weekdays: {
          monday: {
            startBranchId: 'br-1',
            endBranchId: 'br-2',
            customerIds: [],
          },
        },
        userId: 'user-1',
      }),
    ).rejects.toBeInstanceOf(BadRequestException);
  });

  it('create rejects duplicate live keys', async () => {
    repository.findLiveByKey.mockResolvedValue(sample);
    await expect(
      service.create({
        employeeId: 'emp-1',
        purpose: 'sales',
        cycleNumber: 1,
        weekdays: {
          monday: {
            startBranchId: 'br-1',
            endBranchId: 'br-2',
            customerIds: ['cus-1'],
          },
        },
        userId: 'user-1',
      }),
    ).rejects.toBeInstanceOf(ConflictException);
  });

  it('create persists a complete weekday and builds geometry', async () => {
    await service.create({
      employeeId: 'emp-1',
      purpose: 'sales',
      cycleNumber: 1,
      weekdays: {
        monday: {
          startBranchId: 'br-1',
          endBranchId: 'br-2',
          customerIds: ['cus-1'],
        },
      },
      userId: 'user-1',
    });
    expect(repository.create).toHaveBeenCalled();
    const arg = repository.create.mock.calls[0][0];
    expect(arg.weekdays[0].weekday).toBe('monday');
    expect(arg.weekdays[0].routeGeometry.type).toBe('LineString');
  });

  it('delete archives instead of hard-deleting', async () => {
    repository.findById.mockResolvedValue(sample);
    repository.archive.mockResolvedValue(undefined);
    await service.delete('cyc-1', user);
    expect(repository.archive).toHaveBeenCalledWith('cyc-1', 'user-1');
  });

  it('findById throws when missing', async () => {
    repository.findById.mockResolvedValue(null);
    await expect(service.findById('missing', user)).rejects.toBeInstanceOf(
      NotFoundException,
    );
  });
});