package de.fd.fh;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;

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

class FigureFarmerTest
{
    Figure[] field = new Figure[Figure.fieldLength * Figure.fieldLength];

    // weißer Bauer
    @ParameterizedTest
    // row (src), col (src), row (dst), col (dst)
    @CsvSource({
            "6, 0, 5, 0" // a2 -> a3
    })
    void whiteFarmerValidDestination(int srcRow, int srcCol, int dstRow, int dstCol)
    {
        int src = Figure.fieldLength * srcRow + srcCol;
        int dst = Figure.fieldLength * dstRow + dstCol;

        Figure f = new FigureFarmer(FigureFarmer.Color.White);
        assertTrue(f.moveAllowed(src, dst, field));
    }

    @Test
    void whiteFarmerInvalidDestinationDown() // statt nach "oben" wird nach "unten" gegangen
    {
        int src = Figure.fieldLength * 6 + 0;
        int dst = Figure.fieldLength * 7 + 0;

        Figure f = new FigureFarmer(FigureFarmer.Color.White);
        assertFalse(f.moveAllowed(src, dst, field));
    }

    @Test
    void whiteFarmerInvalidDestinationUp() // mehr als 1 Schritt nach "oben"
    {
        int src = Figure.fieldLength * 6 + 0;
        int dst = Figure.fieldLength * 4 + 0;

        Figure f = new FigureFarmer(FigureFarmer.Color.White);
        assertFalse(f.moveAllowed(src, dst, field));
    }

    @Test
    void checkMoveWithValidDestinationVar2() // Bauer (w) steht in der Mitte vom Feld und geht 1 nach oben
    {
        int src = Figure.fieldLength * 4 + 4;
        int dst = Figure.fieldLength * 3 + 4;

        Figure f = new FigureFarmer(FigureFarmer.Color.White);
        assertTrue(f.moveAllowed(src, dst, field));
    }

    @Test
    void whiteFarmerInvalidDestinationDownVar2() // Bauer (w) steht in der Mitte vom Feld und geht 1 nach unten
    {
        int src = Figure.fieldLength * 4 + 4;
        int dst = Figure.fieldLength * 5 + 4;

        Figure f = new FigureFarmer(FigureFarmer.Color.White);
        assertFalse(f.moveAllowed(src, dst, field));
    }
}