#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 BzTileLayer;
typedef struct BzTileObject BzTileObject;
typedef struct BzTileObjectGroup BzTileObjectGroup;

typedef void (*BzTileLayerRenderFunc)(BzTileLayer *layer);
typedef void (*BzTileObjectGroupRenderFunc)(BzTileObjectGroup *objectGroup);

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

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

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

typedef struct BzTileLayer {
    i32 id;

    BzTile *data;
    i32 dataCount;
    BzTile minData;
    BzTile maxData;

    i32 width;
    i32 height;

    f32 offsetX;
    f32 offsetY;
    f32 opacity;

    i32 tilesetIdx;

    BzTileLayerDesc desc;
    bool hasOwnership;
} BzTileLayer;

typedef struct BzTileObject {
    u32 id;
    BzTileShape shape;
} BzTileObject;

typedef struct BzTileObjectGroup {
    BzTileObject *objects;
    i32 objectCount;

    BzTileObjectsDesc desc;
    bool hasOwnership;
} BzTileObjectGroup;


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;

    BzTileObjectGroup objectGroups[BZ_MAX_MAP_LAYERS];
    i32 objectGroupCount;

    BzTileset tilesets[BZ_MAX_MAP_TILESETS];
    i32 tilesetCount;

    bool isValid;
} BzTileMap;

extern BzTileMap BZ_TILEMAP_INVALID;

// Return true, if you want to override data (you are responsible for cleanup, if you override)
typedef bool (*BzTileLayerFunc)(BzTileLayer *layer, BzTile *data, i32 dataCount);
typedef bool (*BzTileObjectsFunc)(BzTileObjectGroup *objectGroup, BzTileObject *objects, i32 objectsCount);

extern BzTileLayerFunc BZ_TILE_LAYER_CLEAR;
extern BzTileObjectsFunc BZ_TILE_OBJECTS_CLEAR;

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

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

void bzTileMapOverrideLayer(BzTileMap *map, i32 slotID, BzTileLayerFunc func);
void bzTileMapOverrideObjectGroup(BzTileMap *map, i32 slotID, BzTileObjectsFunc func);

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



#endif //BREEZE_MAP_H