using Snake.Model;
using Snake.Persistance;

namespace Snake.Tests.Persistance;

public class LevelLoaderTests
{
    [Fact]
    public void LoadLevelTest()
    {
        // Preparre
        string SaveFile =
        """
            [
                {
                    "level_name": "Test level",
                    "size": 10,
                    "snake_start_length": 5,
                    "obstacles": [
                        [1,1],
                        [4,2],
                        [6,9]
                    ],
                    "new_egg_round": 2,
                    "egg_limit": 5
                },
                {
                    "level_name": "Cool snake map",
                    "size": 12,
                    "snake_start_length": 3,
                    "obstacles": [
                        [2,3],
                        [1,2]
                    ],
                    "new_egg_round": 3,
                    "egg_limit": 6
                }
            ]
        """;
        string tempfile = Path.GetTempFileName();
        File.WriteAllText(tempfile, SaveFile);

        var loader = new SnakeLevelLoader(tempfile);
        Assert.Equal(2, loader.StoredLevels.Count);

        var current_level = loader.StoredLevels[0];
        Assert.Equal("Test level", current_level.LevelName);
        Assert.Equal(10, current_level.Size);
        Assert.Equal(5, current_level.SnakeStartLength);
        Assert.Equal(current_level.Obstacles, [[1,1], [4,2], [6,9]]);
        Assert.Equal(2, current_level.NewEggRound);
        Assert.Equal(5, current_level.EggLimit);
        
        current_level = loader.StoredLevels[1];
        Assert.Equal("Cool snake map", current_level.LevelName);
        Assert.Equal(12, current_level.Size);
        Assert.Equal(3, current_level.SnakeStartLength);
        Assert.Equal(current_level.Obstacles, [[2,3], [1,2]]);
        Assert.Equal(3, current_level.NewEggRound);
        Assert.Equal(6, current_level.EggLimit);
    }
}