package eirb.pg203.weather.utils;

import eirb.pg203.weather.fakeJSONFetcher.FakeJSONFetcherCity;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;

import java.io.IOException;

public class CityTest {
    private final static float epsilon = 0.001F;
    @ParameterizedTest(name = "{0} is located at [lat:{1}, lon:{2}]")
    @CsvSource({
            "Paris,48.859F,2.347F,'City(Paris, lat: 48.859001, lon: 2.347000)'",
            "Bordeaux,44.851895F,-0.587877F,'City(Bordeaux, lat: 44.851894, lon: -0.587877)'"
    })
    void testRealCity(String cityName, float expectedLat, float expectedLon, String expectedString) throws IOException {
        City city = new City(cityName);
        city.JSONFetcher = new FakeJSONFetcherCity();

        /* Name coherence */
        Assertions.assertEquals(cityName, city.getCityName());
        /* Localisation */
        Coords coords = city.getCityCoords();
        float lat = coords.getLat();
        float lon = coords.getLon();

        Assertions.assertTrue(Math.abs(lat - expectedLat) < epsilon);
        Assertions.assertTrue(Math.abs(lon - expectedLon) < epsilon);

        /* String representation */
        Assertions.assertEquals(expectedString, city.toString());
    }

    @Test
    void testFakeCity(){
        String fakeCity = "farlmjmjfkl";
        String fakeCityRepresentation = "City("+ fakeCity +", lat: Request failed, lon: Request Failed)";
        City city = new City(fakeCity);

        /* String representation */
        Assertions.assertEquals(fakeCityRepresentation, city.toString());

        /* Throw exception */
        Assertions.assertThrows(IOException.class, city::getCityCoords);

    }

}