#ifndef GAME_H
#define GAME_H

#include "animation.h"
#include "events.h"

#include <gint/display.h>
#include <stdint.h>

/* The direction where the player is going to. */
typedef enum { D_UP, D_DOWN, D_LEFT, D_RIGHT } Direction;

typedef enum { P_LEFTUP = -1, P_CENTER = 0, P_RIGHTDOWN = 1 } Checkpos;

typedef enum {
    I_NONE,
    I_ARMOR,
    I_GLOVE,
    I_BEER,
    I_MILK,
    I_TALISMAN,
    I_AMOUNT
} Item;

typedef struct {
    Item i;
    unsigned char durability;
} Slot;

typedef struct {
    Slot slots[SLOT_NUM];
} Inventory;

typedef struct {
    uint32_t x1, y1;
    uint32_t x2, y2;
} Collider;

/* Struct that define player parameters */
typedef struct {
    int16_t x, y;    /* The position of the player in the current map */
    uint16_t px, py; /* The position of the player on screen */
    int8_t life;  /* How many lives the player still has between 0 and 100. */
    int8_t speed; /* The speed of the movement of the player. */

    /* set to true if a action can be done in the current position of the map */
    bool canDoSomething;
    /* indicates which data are relevant to the current action in the */
    /* extradata layer of the map */
    int32_t whichAction;
    /* the player is doing something */
    bool isDoingAction;
    /* the player is interacting with a NPC */
    bool isInteractingWithNPC;
    bool is_male;

    Animation animation;
} Player;

typedef struct {
    uint32_t ID;
    /* data to be shown in the dialog*/
    char *dialog;
    /* is it a question or a simple dialog ? */
    uint32_t isQuestion;
    /* if it is a question, then the choices for answering */
    char *choices;
    /* the conclusion of the dialog for answer 1 and 2 respectively */
    /* Note : it may contain a set of event with a dedicated syntax */
    char *conclusion1;
    int32_t next1;
    char *conclusion2;
    int32_t next2;
    int32_t nextOther;
} Dialog;

typedef struct {
    /* position of the item */
    uint32_t x;
    uint32_t y;
    /*id of it's icon*/
    uint32_t icon;

    char *name;

    /* the ID of the first element of the dialog */
    /* (to be aligned with "dialogs.json" IDs)*/
    uint32_t dialogID;
    /*if the dialog is interactive or not*/
    uint32_t needAction;
} Sign;

typedef struct {
    /* current coordinates of the NPC
     * In 24:8 fixed point */
    uint32_t curx;
    uint32_t cury;

    /* initial coordinates of the NPC (needed to get absolute coordinates of
     * path) */
    uint32_t x;
    uint32_t y;
    /* id of it's face */
    uint16_t face;

    uint8_t paused;

    uint8_t has_dialog;
    /* the ID of the first element of the dialog */
    /* (to be aligned with "dialogs.json" IDs)*/
    uint32_t dialogID;
    /*if the dialog is interactive or not*/
    uint32_t needAction;

    char *name;

    /* data for NPC's trajectories */
    uint32_t hasPath;
    uint32_t path_length;
    uint32_t currentPoint;
    int16_t *xpath;
    int16_t *ypath;

    int type : 32;

    uint8_t current_group;
    uint8_t hostile_to_group;

    uint16_t __padding;
} NPC;

typedef struct {
    Collider collider;
    /* The destination portal */
    void *portal;
    /* The destination map */
    void *map;
} Portal;

typedef struct {
    /* width, height and the number of layer of the map */
    uint32_t x;
    uint32_t y;
    uint32_t w;
    uint32_t h;
    uint32_t nblayers;
    uint32_t tileset_size;

    /* the tileset to use */
    bopti_image_t *tileset;

    /* contain the properties of the tiles */
    /* this is given by the layer Walkable of the map in Tiled */
    uint8_t *walkable;

    uint32_t nbNPC;
    NPC *npcs;

    uint32_t nbSign;
    Sign *signs;

    uint32_t nbPortal;
    Portal *portals;

    /* structure that contains all the dialogs for that part of the map */
    uint32_t nbdialogsdata;
    Dialog *dialogs;

    uint32_t indoor;

    /* list of all the tiles to draw the background and the foreground layers */
    uint16_t *layers[];
} Map;

/* This struct will contain all the data of the game. It will make it possible
 * to pass it to the NPCs to let them interact with the player and the rest of
 * the world. */
typedef struct {
    Map *map_level;       /* The level that the player is currently playing */
    Player player;        /* The player data. */
    EventHandler handler; /* The event handler (see events.h). */
    /* Some global variables */
    /* Set to true when asked for exit */
    bool exittoOS;
    /* Set to true when screenshot is required */
    bool screenshot;
    /* Set to true when recording a video of the screen is required */
    bool record;
    /* How many ms the frame already took. */
    long int frame_duration;

    /* variables used for debuging */
    bool debug_map;
    bool debug_player;
    bool debug_extra;

    Animation npc_animation;

    int mana; /* Only for testing events TODO: Remove this! */
} Game;

/* TODO: Doc! */
void game_init(Game *game);

/* (Mibi88) TODO: Describe what this function is doing. */
void game_logic(Game *game);

/* game_draw()
 *
 * Draws everything on screen.
 * game: The game struct.
 */
void game_draw(Game *game);

/* game_render_indicator()
 *
 * This render a small sign on the upper left corner of the screen
 * if the player can do an action
 * game: The game struct.
 */
void game_render_indicator(Game *game);

/* game_get_inputs()
 *
 * Handle key presses.
 * game: The game struct.
 */
void game_get_inputs(Game *game);

/* TODO: Doc! */
void game_update_animations(Game *game, unsigned char ms);

#endif