package eirb.pg203.weather.data;

import eirb.pg203.weather.utils.City;

import org.json.JSONObject;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.EnumSource;
import org.junit.jupiter.params.provider.MethodSource;

import static org.junit.jupiter.api.Assertions.assertTrue;

import java.time.Instant;
import java.util.ArrayList;
import java.util.stream.Stream;

public class WeatherDataTest {
    private static final float epsilon = 0.01F;
    private WeatherData weatherData;

    @BeforeEach
    public void setWeatherData() {
        this.weatherData = new WeatherData(new City("f"), Instant.now(), 0f, 0, 0, WeatherData.Condition.SUNNY);
    }

    @Test
    void city() {
        String cityName = "Paris";
        City city = new City(cityName);
        this.weatherData.setCity(city);

        /* check if the setter works */
        Assertions.assertEquals(weatherData.getCity(), city);
    }

    @Test
    void temp() {
        float temp = 69.69f;
        this.weatherData.setTemp(temp);

        /* check if the setter works */
        Assertions.assertEquals(temp, weatherData.getTemp(), epsilon);
    }

    @ParameterizedTest(name = "Set {0}")
    @EnumSource
    void condition(WeatherData.Condition condition) {
        this.weatherData.setCondition(condition);

        /* check if the setter works */
        Assertions.assertEquals(condition, weatherData.getCondition());
    }
    private static Stream<Arguments> conditionFromString() {
        return Stream.of(
                Arguments.arguments("☀️", WeatherData.Condition.SUNNY),
                Arguments.arguments("☁️", WeatherData.Condition.CLOUDY),
                Arguments.arguments("🌤", WeatherData.Condition.PARTIAL),
                Arguments.arguments("🌧", WeatherData.Condition.RAINY),
                Arguments.arguments("E", WeatherData.Condition.ERROR)
        );
    }

    @ParameterizedTest(name = "Condition {1} from string {0}")
    @MethodSource
    void conditionFromString(String conditionString, WeatherData.Condition expectedCondition) {
        WeatherData.Condition condition = WeatherData.Condition.fromString(conditionString);

        Assertions.assertEquals(expectedCondition, condition);

    }
    private static Stream<Arguments> windDirectionFromString() {
        return Stream.of(
                Arguments.arguments("🡩", WeatherData.WindDirection.N),
                Arguments.arguments("🡭", WeatherData.WindDirection.NE),
                Arguments.arguments("🡪", WeatherData.WindDirection.E),
                Arguments.arguments("🡮", WeatherData.WindDirection.SE),
                Arguments.arguments("🡫", WeatherData.WindDirection.S),
                Arguments.arguments("🡯", WeatherData.WindDirection.SW),
                Arguments.arguments("🡨", WeatherData.WindDirection.W),
                Arguments.arguments("🡬", WeatherData.WindDirection.NW),
                Arguments.arguments("E", WeatherData.WindDirection.ERROR),
                Arguments.arguments("fjlkre", WeatherData.WindDirection.ERROR)
        );
    }

    @ParameterizedTest(name = "Wind direction {1} from string {0}")
    @MethodSource
    void windDirectionFromString(String windDirectionString, WeatherData.WindDirection expectedWindDirection) {
        WeatherData.WindDirection windDirection = WeatherData.WindDirection.fromString(windDirectionString);

        Assertions.assertEquals(expectedWindDirection, windDirection);
    }

    @Test
    void windSpeed() {
        float windSpeed = 69.69f;
        this.weatherData.setWindSpeed(windSpeed);

        /* check if the setter works */
        Assertions.assertEquals(windSpeed, weatherData.getWindSpeed());
    }

    @Test
    void windAngle() {
        float windAngle = 69.69f;
        this.weatherData.setWindDirectionAngle(windAngle);

        /* check if the setter works */
        Assertions.assertEquals(windAngle, weatherData.getWindDirectionAngle());
    }

    @Test
    void date() {
        Instant instant = Instant.now();

        this.weatherData.setDate(instant);

        /* check if the setter works */
        Assertions.assertEquals(instant, weatherData.getDate());

    }

    @Test
    void stringRepresentation() {
        this.weatherData = new WeatherData(new City("f"), Instant.now(), 0f, 0, 0, WeatherData.Condition.SUNNY);

        Assertions.assertEquals("00.00° ☀️ 00.00km/h 000.00° 🡩", weatherData.toString());
    }

    private static Stream<Arguments> windDirectionRepresentation() {
        return Stream.of(
                Arguments.arguments(0f, WeatherData.WindDirection.N),
                Arguments.arguments(45f, WeatherData.WindDirection.NE),
                Arguments.arguments(90f, WeatherData.WindDirection.E),
                Arguments.arguments(135f, WeatherData.WindDirection.SE),
                Arguments.arguments(180f, WeatherData.WindDirection.S),
                Arguments.arguments(225f, WeatherData.WindDirection.SW),
                Arguments.arguments(270f, WeatherData.WindDirection.W),
                Arguments.arguments(315f, WeatherData.WindDirection.NW),
                Arguments.arguments(999f, WeatherData.WindDirection.ERROR)
        );

    }

    @ParameterizedTest
    @MethodSource
    void windDirectionRepresentation(float windDirection, WeatherData.WindDirection expectedWindDirection){
        weatherData.setWindDirectionAngle(windDirection);
        Assertions.assertEquals(expectedWindDirection, weatherData.getWindDirection());
    }

    @Test
    void toJSONTest() {
				Instant now = Instant.now();
				float temp = 0f;
				WeatherData.Condition condition = WeatherData.Condition.SUNNY;
				float windSpeed = 0f;
				float windDirectionAngle = 0f;
        WeatherData weatherData = new WeatherData(new City("aCity"), now, temp, windSpeed, windDirectionAngle, condition);
				JSONObject equalsTo = new JSONObject();

				equalsTo.put("city", "aCity");
				equalsTo.put("date", now.toEpochMilli());
				equalsTo.put("temp", temp);
				equalsTo.put("condition", condition.toString());
				equalsTo.put("windSpeed", windSpeed);
				equalsTo.put("windDirectionAngle", windDirectionAngle);

        Assertions.assertEquals(equalsTo.toString(), weatherData.toJSON().toString());

				WeatherData weatherData2 = WeatherData.fromJSON(equalsTo);

        Assertions.assertEquals(weatherData.toString(), weatherData2.toString());
    }
}