import { Test, TestingModule } from '@nestjs/testing';
import { HttpService } from '@nestjs/axios';
import { of } from 'rxjs';
import { AxiosError } from 'axios';
import { GeorouterCreator } from '../../adapters/secondaries/georouter-creator';
import { IGeorouter } from '../../domain/interfaces/georouter.interface';
import { Geodesic } from '../../adapters/secondaries/geodesic';

const mockHttpService = {
  get: jest
    .fn()
    .mockImplementationOnce(() => {
      throw new AxiosError('Axios error !');
    })
    .mockImplementationOnce(() => {
      return of({
        status: 200,
        data: {
          paths: [
            {
              distance: 50000,
              time: 1800000,
              snapped_waypoints: {
                coordinates: [
                  [0, 0],
                  [10, 10],
                ],
              },
            },
          ],
        },
      });
    })
    .mockImplementationOnce(() => {
      return of({
        status: 200,
        data: {
          paths: [
            {
              distance: 50000,
              time: 1800000,
              points: {
                coordinates: [
                  [0, 0],
                  [1, 1],
                  [2, 2],
                  [3, 3],
                  [4, 4],
                  [5, 5],
                  [6, 6],
                  [7, 7],
                  [8, 8],
                  [9, 9],
                  [10, 10],
                ],
              },
              snapped_waypoints: {
                coordinates: [
                  [0, 0],
                  [10, 10],
                ],
              },
            },
          ],
        },
      });
    })
    .mockImplementationOnce(() => {
      return of({
        status: 200,
        data: {
          paths: [
            {
              distance: 50000,
              time: 1800000,
              points: {
                coordinates: [
                  [0, 0],
                  [1, 1],
                  [2, 2],
                  [3, 3],
                  [4, 4],
                  [5, 5],
                  [6, 6],
                  [7, 7],
                  [8, 8],
                  [9, 9],
                  [10, 10],
                ],
              },
              details: {
                time: [
                  [0, 1, 180000],
                  [1, 2, 180000],
                  [2, 3, 180000],
                  [3, 4, 180000],
                  [4, 5, 180000],
                  [5, 6, 180000],
                  [6, 7, 180000],
                  [7, 9, 360000],
                  [9, 10, 180000],
                ],
              },
              snapped_waypoints: {
                coordinates: [
                  [0, 0],
                  [10, 10],
                ],
              },
            },
          ],
        },
      });
    })
    .mockImplementationOnce(() => {
      return of({
        status: 200,
        data: {
          paths: [
            {
              distance: 50000,
              time: 1800000,
              points: {
                coordinates: [
                  [0, 0],
                  [1, 1],
                  [2, 2],
                  [3, 3],
                  [4, 4],
                  [7, 7],
                  [8, 8],
                  [9, 9],
                  [10, 10],
                ],
              },
              snapped_waypoints: {
                coordinates: [
                  [0, 0],
                  [5, 5],
                  [10, 10],
                ],
              },
              details: {
                time: [
                  [0, 1, 180000],
                  [1, 2, 180000],
                  [2, 3, 180000],
                  [3, 4, 180000],
                  [4, 7, 540000],
                  [7, 9, 360000],
                  [9, 10, 180000],
                ],
              },
            },
          ],
        },
      });
    })
    .mockImplementationOnce(() => {
      return of({
        status: 200,
        data: {
          paths: [
            {
              distance: 50000,
              time: 1800000,
              points: {
                coordinates: [
                  [0, 0],
                  [1, 1],
                  [2, 2],
                  [3, 3],
                  [4, 4],
                  [5, 5],
                  [6, 6],
                  [7, 7],
                  [8, 8],
                  [9, 9],
                  [10, 10],
                ],
              },
              snapped_waypoints: {
                coordinates: [
                  [0, 0],
                  [5, 5],
                  [10, 10],
                ],
              },
              details: {
                time: [
                  [0, 1, 180000],
                  [1, 2, 180000],
                  [2, 3, 180000],
                  [3, 4, 180000],
                  [4, 7, 540000],
                  [7, 9, 360000],
                  [9, 10, 180000],
                ],
              },
              instructions: [
                {
                  distance: 25000,
                  sign: 0,
                  interval: [0, 5],
                  text: 'Some instructions',
                  time: 900000,
                },
                {
                  distance: 0,
                  sign: 5,
                  interval: [5, 5],
                  text: 'Waypoint 1',
                  time: 0,
                },
                {
                  distance: 25000,
                  sign: 2,
                  interval: [5, 10],
                  text: 'Some instructions',
                  time: 900000,
                },
                {
                  distance: 0.0,
                  sign: 4,
                  interval: [10, 10],
                  text: 'Arrive at destination',
                  time: 0,
                },
              ],
            },
          ],
        },
      });
    }),
};

const mockGeodesic = {
  // eslint-disable-next-line @typescript-eslint/no-unused-vars
  inverse: jest.fn().mockImplementation(() => ({
    azimuth: 45,
    distance: 50000,
  })),
};

describe('Graphhopper Georouter', () => {
  let georouterCreator: GeorouterCreator;
  let graphhopperGeorouter: IGeorouter;

  beforeAll(async () => {
    const module: TestingModule = await Test.createTestingModule({
      imports: [],
      providers: [
        GeorouterCreator,
        {
          provide: HttpService,
          useValue: mockHttpService,
        },
        {
          provide: Geodesic,
          useValue: mockGeodesic,
        },
      ],
    }).compile();

    georouterCreator = module.get<GeorouterCreator>(GeorouterCreator);
    graphhopperGeorouter = georouterCreator.create(
      'graphhopper',
      'http://localhost',
    );
  });

  it('should be defined', () => {
    expect(graphhopperGeorouter).toBeDefined();
  });

  describe('route function', () => {
    it('should fail on axios error', async () => {
      await expect(
        graphhopperGeorouter.route(
          [
            {
              key: 'route1',
              points: [
                {
                  lat: 0,
                  lon: 0,
                },
                {
                  lat: 1,
                  lon: 1,
                },
              ],
            },
          ],
          {
            withDistance: false,
            withPoints: false,
            withTime: false,
          },
        ),
      ).rejects.toBeInstanceOf(Error);
    });

    it('should create one route with all settings to false', async () => {
      const routes = await graphhopperGeorouter.route(
        [
          {
            key: 'route1',
            points: [
              {
                lat: 0,
                lon: 0,
              },
              {
                lat: 10,
                lon: 10,
              },
            ],
          },
        ],
        {
          withDistance: false,
          withPoints: false,
          withTime: false,
        },
      );
      expect(routes).toHaveLength(1);
      expect(routes[0].route.distance).toBe(50000);
    });

    it('should create one route with points', async () => {
      const routes = await graphhopperGeorouter.route(
        [
          {
            key: 'route1',
            points: [
              {
                lat: 0,
                lon: 0,
              },
              {
                lat: 10,
                lon: 10,
              },
            ],
          },
        ],
        {
          withDistance: false,
          withPoints: true,
          withTime: false,
        },
      );
      expect(routes).toHaveLength(1);
      expect(routes[0].route.distance).toBe(50000);
      expect(routes[0].route.duration).toBe(1800);
      expect(routes[0].route.fwdAzimuth).toBe(45);
      expect(routes[0].route.backAzimuth).toBe(225);
      expect(routes[0].route.points.length).toBe(11);
    });

    it('should create one route with points and time', async () => {
      const routes = await graphhopperGeorouter.route(
        [
          {
            key: 'route1',
            points: [
              {
                lat: 0,
                lon: 0,
              },
              {
                lat: 10,
                lon: 10,
              },
            ],
          },
        ],
        {
          withDistance: false,
          withPoints: true,
          withTime: true,
        },
      );
      expect(routes).toHaveLength(1);
      expect(routes[0].route.spacetimePoints.length).toBe(2);
      expect(routes[0].route.spacetimePoints[1].duration).toBe(1800);
      expect(routes[0].route.spacetimePoints[1].distance).toBeUndefined();
    });

    it('should create one route with points and missed waypoints extrapolations', async () => {
      const routes = await graphhopperGeorouter.route(
        [
          {
            key: 'route1',
            points: [
              {
                lat: 0,
                lon: 0,
              },
              {
                lat: 5,
                lon: 5,
              },
              {
                lat: 10,
                lon: 10,
              },
            ],
          },
        ],
        {
          withDistance: false,
          withPoints: true,
          withTime: true,
        },
      );
      expect(routes).toHaveLength(1);
      expect(routes[0].route.spacetimePoints.length).toBe(3);
      expect(routes[0].route.distance).toBe(50000);
      expect(routes[0].route.duration).toBe(1800);
      expect(routes[0].route.fwdAzimuth).toBe(45);
      expect(routes[0].route.backAzimuth).toBe(225);
      expect(routes[0].route.points.length).toBe(9);
    });

    it('should create one route with points, time and distance', async () => {
      const routes = await graphhopperGeorouter.route(
        [
          {
            key: 'route1',
            points: [
              {
                lat: 0,
                lon: 0,
              },
              {
                lat: 10,
                lon: 10,
              },
            ],
          },
        ],
        {
          withDistance: true,
          withPoints: true,
          withTime: true,
        },
      );
      expect(routes).toHaveLength(1);
      expect(routes[0].route.spacetimePoints.length).toBe(3);
      expect(routes[0].route.spacetimePoints[1].duration).toBe(990);
      expect(routes[0].route.spacetimePoints[1].distance).toBe(25000);
    });
  });
});