// --- # ---
const std = @import("std");
const gtl = @import("gtl");
const sdl = @import("sdl");
const Self = @This();

//
//
//

pub const Player = struct {};

/// ----------------------------------------------------
/// ----------------------------------------------------
pub const Texture = struct { id: u64 };

/// ----------------------------------------------------
/// ----------------------------------------------------
pub const GPUTexture = struct {
    path: []const u8,
    raw: ?*sdl.SDL_Texture,
    size: [2]i32 = .{ 0, 0 },
};

//
// FIELDS
//

data: gtl.KeyedSlotMap(Texture, GPUTexture),

/// ----------------------------------------------------
/// ----------------------------------------------------
pub fn init(alloc: std.mem.Allocator) Self {
    return .{
        .data = .init(alloc),
    };
}

/// ----------------------------------------------------
/// ----------------------------------------------------
pub fn deinit(self: *Self) void {
    for (self.data.items()) |entry| {
        if (entry.value.raw) |raw| {
            sdl.SDL_DestroyTexture(raw);
        }
    }
    self.data.deinit();
}

/// ----------------------------------------------------
/// ----------------------------------------------------
pub fn load(
    self: *Self,
    comptime T: type,
    path: []const u8,
) !gtl.Handle(Texture) {
    // --- ID ---
    const id = gtl.TypeID(T);

    // --- # ---
    if (self.data.getHandle(.{ .id = id })) |h| {
        return h;
    }

    return try self.data.put(.{ .id = id }, .{
        .path = path,
        .raw = null,
    });
}