#include "map_init.h"

#include "components.h"
#include "game_state.h"

#include <flecs.h>


bool initGameObjectsLayer(BzTileMap *map, BzTileObjectGroup *objectGroup) {
    for (i32 i = 0; i < objectGroup->objectCount; i++) {
        BzTileObject object = objectGroup->objects[i];
        if (bzStringDefaultHash("camera") == object.id) {
            GAME->camera.target.x = object.shape.x;
            GAME->camera.target.y = object.shape.y;
        }
    }
    return true;
}

bool initEntityObjectsLayer(BzTileMap *map, BzTileObjectGroup *objectGroup) {
    ECS_COMPONENT(ECS, Position);
    ECS_COMPONENT(ECS, Size);
    ECS_COMPONENT(ECS, Rotation);
    ECS_COMPONENT(ECS, TextureRegion);

    BzTileset *objectTileset = bzTileObjectGroupGetTileset(&GAME->map, objectGroup);
    if (!objectTileset) return true;

    for (i32 i = 0; i < objectGroup->objectCount; i++) {
        BzTileObject object = objectGroup->objects[i];
        ecs_entity_t e = ecs_new_id(ECS);
        ecs_set(ECS, e, Position, {object.shape.x, object.shape.y});
        ecs_set(ECS, e, Size, {object.shape.sizeX, object.shape.sizeY});
        ecs_set(ECS, e, Rotation, {0.0f});
        ecs_set(ECS, e, TextureRegion, {objectTileset->tiles, bzTilesetGetTileRegion(objectTileset, object.gid)});
    }
    return true;

}

bool initBuildingsLayer(BzTileMap *map, BzTileLayer *layer) {
    ECS_COMPONENT(ECS, TilePosition);
    ECS_COMPONENT(ECS, TileSize);
    ECS_COMPONENT(ECS, Owner);

    GAME->entityMap = bzCalloc(sizeof(*GAME->entityMap), layer->width * layer->height);

    BzTileLayer *ownershipLayer = layer;
    BzTileLayer *buildingLayer = bzTileMapGetLayer(map, LAYER_BUILDINGS);
    BzTileset *buildingTileset = bzTileLayerGetTileset(map, buildingLayer);
    BzTile *data = layer->data;
    BzTile *buildingData = buildingLayer->data;

    for (i32 y = 0; y < layer->height; y++) {
        for (i32 x = 0; x < layer->width; x++) {
            BzTile ownerTile = data[y * layer->width + x];
            BzTile buildingRawTile = buildingData[y * layer->width + x];
            BzTile buildingTile = bzTilesetGetTile(buildingTileset, buildingRawTile);
            buildingTile = getTileBuilding(buildingTile);
            if (buildingTile == BUILDINGS_NONE || ownerTile == 0) continue;
            // We have a building
            TileSize size = {};
            getBuildingSize(buildingTile, &size.sizeX, &size.sizeY);
            bzTileLayerSetTile(ownershipLayer, 0, x, y, size.sizeX, size.sizeY);
            bzLogInfo("Got size: %2d %2d", size.sizeX, size.sizeY);

            ecs_entity_t e = ecs_new_id(ECS);
            ecs_set(ECS, e, TilePosition, {.x=x, .y=y});
            ecs_set(ECS, e, TileSize, {.sizeX=size.sizeX, .sizeY=size.sizeY});
            ownerTile = bzTilesetGetTile(buildingTileset, ownerTile);
            ownerTile = getTileBuilding(ownerTile);
            ecs_set(ECS, e, Owner, {.playerID=ownerTile});

            for (i32 yIdx = y; yIdx < y + size.sizeY; yIdx++) {
                for (i32 xIdx = x; xIdx < x + size.sizeX; xIdx++) {
                    GAME->entityMap[yIdx * layer->width + xIdx] = e;
                }
            }

            //bzTileMapUpdateCollider(&GAME.map, x, y);
        }
    }
    return true;

}