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#ifndef _GAMEPLAY_H
#define _GAMEPLAY_H

#include <vector>

#include "Level.h"
#include "Player.h"
#include "NPC.h"
#include "PauseMenu.h"
#include "GameplayObject.h"

class Gameplay {
public:
        Gameplay();
        ~Gameplay();

        static int frame;

        static Gameplay * instance;

        Level * level;

        std::vector<Player*> * players;
        std::vector<NPC*> * npcs;
        
        std::vector<GameplayObject*> * objects;

        void run();

        void set_level(Level * level);
        void add_player(Player * player);
        void add_npc(NPC * npc);

        void add_object(GameplayObject * obj);
        void bounce_up_players_and_npcs(SDL_Rect * rect, SDL_Rect * source);

        static bool is_intersecting(SDL_Rect * one, SDL_Rect * two);
protected:
        virtual void initialize();
        virtual void deinitialize();

        void reset_game();

        virtual void pause(Player * p);

        void process_countdown();
        
        virtual void draw_pause_screen();
        virtual void draw_score();
        virtual void draw_game_ended();
        virtual void draw_countdown();

        virtual void on_game_reset() = 0;

        virtual void on_pre_processing() = 0;
        virtual void on_post_processing() = 0;

        void process_player_collission();
        void process_npc_collission();
        void process_player_npc_collission();

        void handle_pause_input(SDL_Event * event);
        
        bool game_running;

        PauseMenu * pause_menu;

        bool countdown;
        int countdown_sec_left;
        int countdown_start;
        char countdown_pre_text[20];

        bool ended;
        int end_start;

        bool music_playing;

        SDL_Surface * screen;

        // Do players collide with each other?
        bool players_collide;
        // Do NPC's collide with each other?
        bool npcs_collide;
        // Do players collide with NPC's?
        bool players_npcs_collide;
};

#endif