#pragma once

#include <gtkmm/drawingarea.h>
#include <gtkmm/gestureclick.h>
#include <gtkmm/eventcontrollermotion.h>
#include <gdkmm/texture.h>
#include <memory>
#include <vector>
#include <random>
#include "minefield.hpp"

struct Particle {
    double x, y;
    double vx, vy;
    double life;
    double r, g, b;
    double size;
};

class BoardWidget : public Gtk::DrawingArea {
public:
    BoardWidget();
    virtual ~BoardWidget();

    void set_minefield(std::shared_ptr<Minefield> field);
    
    // Signal when state changes (for UI updates)
    sigc::signal<void()> signal_state_changed;

    // Animation
    void start_confetti();
    bool on_animation_tick(const Glib::RefPtr<Gdk::FrameClock>& clock);
    bool process_animation(); // Internal helper

private:
    void on_draw(const Cairo::RefPtr<Cairo::Context>& cr, int width, int height);
    
    // Input handlers
    void on_click_pressed(int n_press, double x, double y);
    void on_right_click_pressed(int n_press, double x, double y);
    void on_motion(double x, double y);
    void on_leave();

    // Helpers
    std::pair<int, int> get_cell_at(double x, double y);
    void draw_cell(const Cairo::RefPtr<Cairo::Context>& cr, int x, int y, double size, const Cell& cell);
    void draw_digit(const Cairo::RefPtr<Cairo::Context>& cr, int number, double x, double y, double size);
    void draw_flag(const Cairo::RefPtr<Cairo::Context>& cr, double x, double y, double size);
    void draw_bomb(const Cairo::RefPtr<Cairo::Context>& cr, double x, double y, double size, bool exploded);
    void draw_particles(const Cairo::RefPtr<Cairo::Context>& cr);

    std::shared_ptr<Minefield> field_;
    
    // State
    double cell_size_ = 32.0;
    double offset_x_ = 0;
    double offset_y_ = 0;
    int hover_x_ = -1;
    int hover_y_ = -1;

    // Particles
    std::vector<Particle> particles_;
    guint tick_id_ = 0;

    // Controllers
    Glib::RefPtr<Gtk::GestureClick> left_click_controller_;
    Glib::RefPtr<Gtk::GestureClick> right_click_controller_;
    Glib::RefPtr<Gtk::EventControllerMotion> motion_controller_;
};