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#pragma once

#include <games/Game.hpp>
#include <common/math.hpp>
#include <common/Font.hpp>


class Minesweeper : public Game {
public:
    enum Difficulty {
        beginner,
        intermediate,
        expert
    };

public:
    Minesweeper();
    ~Minesweeper() = default;

    bool Update(std::vector<SDL_Event>& events) override;


private:
    void ProcessEventDuringPause(SDL_Event& event);
    void ProcessEventDuringResume(SDL_Event& event);

    void Reset(Difficulty Difficulty);
    void InitIsMineBitmap();
    void InitAdjacentMineCounters();
    bool IsWon();

    void UncoverMines();
    void Uncover(int32_t x, int32_t y);
    void ToggleFlag(int32_t x, int32_t y);

    bool IsCovered(int32_t x, int32_t y);
    bool IsFlagged(int32_t x, int32_t y);
    bool IsMine(int32_t x, int32_t y);


    V2F32 ScreenPosToViewPos(V2F32 screen_pos);


private:
    void DrawBoard();
    void DrawStartMenu();
    void DrawGameOverMenu();


private:
    static constexpr int32_t s_max_grid_height = 32;
    static constexpr int32_t s_max_grid_width = 32;


private:
    Difficulty m_difficulty = beginner;
    int32_t m_cells_uncovered;
    int32_t m_mine_count;

    float m_world_width = 4.0f;
    float m_world_height = 3.0f;

    int32_t m_grid_width;
    int32_t m_grid_height;
    V2F32 m_grid_pos;
    V2F32 m_cell_outer_size;
    V2F32 m_cell_inner_size;

    uint32_t m_is_covered_bitmap[s_max_grid_height] {};
    uint32_t m_is_flagged_bitmap[s_max_grid_height] {};
    uint32_t m_is_mine_bitmap[s_max_grid_height] {};
    int32_t m_adjacent_mine_counts[s_max_grid_width * s_max_grid_height] {};

    Font m_font;
};