#pragma once

#include <object/entity.hpp>
#include <renderer/font.hpp>
#include <renderer/texture.hpp>
#include <utility>
#include <string>
#include <game/input.hpp>
#include <SDL3/SDL.h>

namespace Game::Object {

    struct UITextboxConfig {
        SDL_Color bgColor             = {20,  20,  20,  210};
        SDL_Color borderColor         = {110, 110, 110, 255};
        SDL_Color focusedBorderColor  = {200, 175, 70,  255};
        SDL_Color textColor           = {255, 255, 255, 255};
        SDL_Color focusedTextColor    = {255, 240, 180, 255};
        SDL_Color placeholderColor    = {120, 120, 120, 200};
        float borderThickness         = 2.f;
        float paddingX                = 8.f;
        float paddingY                = 4.f;
        float minWidth                = 160.f;
        float minHeight               = 32.f;
        int   maxLength               = 0;     // 0 = unlimited
        std::string placeholder       = "";
        float cursorBlinkRate         = 0.53f; // seconds per blink phase
    };

    class UITextBox : public Entity {
        public:
            UITextBox(const std::string& name, std::shared_ptr<Renderer::Font> font,
                      const Transform& transform,
                      float x = 0.f, float y = 0.f,
                      UITextboxConfig config = {});
            ~UITextBox() override = default;

            void start()  override;
            void update(float deltaTime) override;
            void render(Game::Renderer::Renderer* renderer, Game::Renderer::RendererConfig config) override;

            void        setText(const std::string& text);
            std::string getText()  const;
            std::string getValue() const;
            bool        isFocused() const;

            void setPosition(float x, float y) { mX = x; mY = y; }
            std::pair<float, float> getPosition() const { return {mX, mY}; }

        private:
            bool isMouseInsideBox() const;
            void refreshVisualText();

            float mX, mY;
            std::string mText;
            bool mIsFocused = false;
            float mBoxWidth = 0.f;
            float mBoxHeight = 0.f;
            bool mNeedsTextRefresh = true;
            UITextboxConfig mConfig;

            float mCursorTimer = 0.f;
            bool mCursorVisible = true;
    };
}