#pragma once

#include <SDL3/SDL.h>

#include <string>

// Configuració del tema UI (índexs de paleta, timings, fonts i flags)
// carregada des de data/ui.yaml. Cada camp s'inicialitza amb el valor
// de Defaults::UI com a fallback: si el fitxer falta o li manca una
// clau, el joc s'executa amb el tema compilat.
//
// Patró idèntic a Locale i KeyConfig: Meyers singleton + load(path).
// No hi ha hot-reload — els canvis al YAML requereixen reiniciar.
class UiConfig {
   public:
    struct Font {
        std::string name;
        std::string gif;
        std::string fnt;
        int kerning;
    };

    static auto get() -> UiConfig&;

    UiConfig(const UiConfig&) = delete;
    UiConfig(UiConfig&&) = delete;
    auto operator=(const UiConfig&) -> UiConfig& = delete;
    auto operator=(UiConfig&&) -> UiConfig& = delete;

    void load(const std::string& file_path);

    // Colors — índexs sobre la paleta "ui" (Resource::Cache).
    [[nodiscard]] auto renderInfoText() const -> Uint8 { return render_info_text_; }
    [[nodiscard]] auto renderInfoShadow() const -> Uint8 { return render_info_shadow_; }
    [[nodiscard]] auto canvasBg() const -> Uint8 { return canvas_bg_; }
    [[nodiscard]] auto notificationText() const -> Uint8 { return notification_text_; }
    [[nodiscard]] auto notificationBg() const -> Uint8 { return notification_bg_; }
    [[nodiscard]] auto exitText() const -> Uint8 { return exit_text_; }
    [[nodiscard]] auto exitBg() const -> Uint8 { return exit_bg_; }
    [[nodiscard]] auto menuBg() const -> Uint8 { return menu_bg_; }
    [[nodiscard]] auto menuBorder() const -> Uint8 { return menu_border_; }
    [[nodiscard]] auto menuTitle() const -> Uint8 { return menu_title_; }
    [[nodiscard]] auto menuLabel() const -> Uint8 { return menu_label_; }
    [[nodiscard]] auto menuValue() const -> Uint8 { return menu_value_; }
    [[nodiscard]] auto menuCursor() const -> Uint8 { return menu_cursor_; }
    [[nodiscard]] auto menuDisabled() const -> Uint8 { return menu_disabled_; }
    [[nodiscard]] auto hudBg() const -> Uint8 { return hud_bg_; }
    [[nodiscard]] auto hudLabel() const -> Uint8 { return hud_label_; }
    [[nodiscard]] auto hudValue() const -> Uint8 { return hud_value_; }
    [[nodiscard]] auto hudFlash() const -> Uint8 { return hud_flash_; }

    // Timings (ms).
    [[nodiscard]] auto notificationMs() const -> int { return notification_ms_; }
    [[nodiscard]] auto exitMs() const -> int { return exit_ms_; }
    [[nodiscard]] auto hudEntryMs() const -> int { return hud_entry_ms_; }
    [[nodiscard]] auto hudFlashMs() const -> int { return hud_flash_ms_; }
    [[nodiscard]] auto hudShakeMs() const -> int { return hud_shake_ms_; }

    // Fonts de UI.
    [[nodiscard]] auto hudFont() const -> const Font& { return hud_font_; }
    [[nodiscard]] auto placeholderFont() const -> const Font& { return placeholder_font_; }
    [[nodiscard]] auto menuTitleFont() const -> const Font& { return menu_title_font_; }
    [[nodiscard]] auto menuItemsFont() const -> const Font& { return menu_items_font_; }

    // Flags visuals.
    [[nodiscard]] auto hudBgEnabled() const -> bool { return hud_bg_enabled_; }

   private:
    UiConfig();
    ~UiConfig() = default;

    Uint8 render_info_text_;
    Uint8 render_info_shadow_;
    Uint8 canvas_bg_;
    Uint8 notification_text_;
    Uint8 notification_bg_;
    Uint8 exit_text_;
    Uint8 exit_bg_;
    Uint8 menu_bg_;
    Uint8 menu_border_;
    Uint8 menu_title_;
    Uint8 menu_label_;
    Uint8 menu_value_;
    Uint8 menu_cursor_;
    Uint8 menu_disabled_;
    Uint8 hud_bg_;
    Uint8 hud_label_;
    Uint8 hud_value_;
    Uint8 hud_flash_;

    int notification_ms_;
    int exit_ms_;
    int hud_entry_ms_;
    int hud_flash_ms_;
    int hud_shake_ms_;

    Font hud_font_;
    Font placeholder_font_;
    Font menu_title_font_;
    Font menu_items_font_;

    bool hud_bg_enabled_{false};
};