#ifndef BREEZE_MAP_H
#define BREEZE_MAP_H

#include "tileset.h"
#include "../utils/string.h"

#define BZ_MAX_MAP_LAYERS 8
#define BZ_MAX_MAP_TILESETS 8
#define BZ_MAP_COLLIDER_DEPTH 2


typedef struct BzTileLayer {
    i32 id;

    int16_t *data;
    i32 dataCount;
    i16 minData;
    i16 maxData;

    i32 width;
    i32 height;

    f32 offsetX;
    f32 offsetY;
    f32 opacity;

    i32 tilesetIdx;

    void *userData;
} BzTileLayer;

typedef struct BzTileObject {
    u32 id;
    BzTileShape shape;

    void *userData;
} BzTileObject;

typedef struct BzTileObjectLayer {
    BzTileObject *objects;
    i32 objectCount;
} BzTileObjectLayer;

// Return true, if you want to keep data allocated
typedef bool BzTileLayerFunc(BzTileLayer *layer);
typedef bool BzTileObjectsFunc(BzTileObjectLayer *objectLayer);

typedef void BzTileLayerRenderFunc(BzTileLayer *layer);
typedef void BzTileObjectsRenderFunc(BzTileObjectLayer *objectLayer);

typedef struct BzTileLayerDesc {
    const char *name; // Matches map layer names
    BzTileLayerFunc *handler;
    BzTileLayerRenderFunc *renderer;
} BzTileLayerDesc;
typedef struct BzTileObjectsDesc {
    const char *name; // Matches map layer names
    BzTileObjectsFunc *handler;
    BzTileObjectsRenderFunc *renderer;
    BzStringHashFunc *hashFunc;
} BzTileObjectsDesc;

typedef struct BzTileMapDesc {
    const char *path;
    BzTileset tilesets[BZ_MAX_MAP_TILESETS];

    BzTileLayerDesc layers[BZ_MAX_MAP_LAYERS];
    BzTileObjectsDesc objectLayers[BZ_MAX_MAP_LAYERS];
} BzTileMapDesc;

typedef struct BzTileCollider {
    BzTileShape shapes[BZ_MAP_COLLIDER_DEPTH];
} BzTileCollider;

typedef struct BzTileMap {
    Color backgroundColor;

    i32 width;
    i32 height;
    i32 tileWidth;
    i32 tileHeight;

    BzTileCollider *colliderMap;
    i32 collidersCount;

    BzTileLayer layers[BZ_MAX_MAP_LAYERS];
    i32 layerCount;

    BzTileObjectLayer objectLayers[BZ_MAX_MAP_LAYERS];
    i32 objectLayerCount;

    BzTileset tilesets[BZ_MAX_MAP_TILESETS];
    i32 tilesetCount;

    bool isValid;
} BzTileMap;

extern BzTileMap BZ_TILEMAP_INVALID;

int16_t bzTileLayerGetTile(BzTileLayer *layer, i32 x, i32 y);

BzTileMap bzTileMapCreate(const BzTileMapDesc *desc);
void bzTileMapDestroy(BzTileMap *tilemap);

void bzTileMapDraw(BzTileMap *map);
void bzTileMapDrawColliders(BzTileMap *map);
BzTileCollider bzTileMapGetCollider(BzTileMap *map, i32 x, i32 y);



#endif //BREEZE_MAP_H