using Minesweeper.Game;
using Xunit;

namespace Minesweeper.Tests;

public class DifficultyTests
{
    [Theory]
    [InlineData("beginner", 9, 9, 10)]
    [InlineData("NOVICE", 9, 9, 10)]
    [InlineData("1", 9, 9, 10)]
    [InlineData("intermediate", 16, 16, 40)]
    [InlineData("normal", 16, 16, 40)]
    [InlineData("2", 16, 16, 40)]
    [InlineData("expert", 30, 16, 99)]
    [InlineData("e", 30, 16, 99)]
    [InlineData("3", 30, 16, 99)]
    [InlineData("14x10x25", 14, 10, 25)]
    [InlineData("12x8", 12, 8, 14)]
    [InlineData("10,10,20", 10, 10, 20)]
    public void NamesResolve(string value, int width, int height, int mines)
    {
        Assert.True(DifficultyProfile.TryResolve(value, out var profile, out var error));
        Assert.Null(error);
        Assert.Equal(width, profile!.Width);
        Assert.Equal(height, profile.Height);
        Assert.Equal(mines, profile.Mines);
    }

    [Theory]
    [InlineData("")]
    [InlineData("   ")]
    [InlineData("banana")]
    [InlineData("16x16x900")]
    [InlineData("300x300x10")]
    [InlineData("16x16xzero")]
    public void BadNamesAreRejected(string value)
    {
        Assert.False(DifficultyProfile.TryResolve(value, out var profile, out var error));
        Assert.Null(profile);
        Assert.False(string.IsNullOrWhiteSpace(error));
    }

    [Fact]
    public void PresetsMatchTheClassicBoards()
    {
        Assert.Equal(
            new[] { "Beginner", "Intermediate", "Expert" },
            DifficultyProfile.Presets.Select(preset => preset.Name));
        Assert.Equal("30x16", DifficultyProfile.Expert.SizeLabel);
    }
}