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
            "4, 4, 3, 4"  // e4 -> e5
    })
    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));
    }

    // weißer Bauer
    @ParameterizedTest
    // row (src), col (src), row (dst), col (dst)
    @CsvSource({
            "6, 0, 7, 0", // a2 -> a1
            "4, 4, 5, 4"  // e4 -> e3
    })
    void whiteFarmerInvalidDestinationDown(int srcRow, int srcCol, int dstRow, int dstCol) // statt nach "oben" wird nach "unten" gegangen
    {
        int src = Figure.fieldLength * srcRow + srcCol;
        int dst = Figure.fieldLength * dstRow + dstCol;

        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));
    }
}