using Explorer.Application;
using Explorer.Domain;

namespace Explorer.Application.Tests;

public class FavoriteFoldersTests
{
    [Fact]
    public void Normalize_dedupes_and_skips_virtual_roots()
    {
        var normalized = FavoriteFolders.Normalize(
        [
            @"D:\Photos\",
            @"d:\photos",
            LocationRoots.ThisPc,
            LocationRoots.Favorites,
            @"C:\Users\Dominique\Documents"
        ]);
        Assert.Equal([@"D:\Photos", @"C:\Users\Dominique\Documents"], normalized);
    }

    [Fact]
    public void Contains_is_case_insensitive()
    {
        var pinned = FavoriteFolders.Normalize([@"D:\Photos"]);
        Assert.True(FavoriteFolders.Contains(pinned, @"d:\photos\"));
        Assert.False(FavoriteFolders.Contains(pinned, @"D:\Other"));
        Assert.False(FavoriteFolders.Contains(pinned, LocationRoots.Home));
    }

    [Fact]
    public void Add_appends_new_folders_up_to_max()
    {
        var current = Enumerable.Range(0, FavoriteFolders.MaxCount - 1).Select(i => $@"D:\F{i}");
        var next = FavoriteFolders.Add(current, [@"D:\New", @"D:\F0", @"E:\TooMany"]);
        Assert.Equal(FavoriteFolders.MaxCount, next.Count);
        Assert.Equal(@"D:\New", next[^1]);
        Assert.DoesNotContain(@"E:\TooMany", next);
    }

    [Fact]
    public void Remove_unpins_without_touching_other_entries()
    {
        var next = FavoriteFolders.Remove(
            [@"D:\Photos", @"D:\Music"],
            [@"d:\photos", LocationRoots.ThisPc]);
        Assert.Equal([@"D:\Music"], next);
    }
}