using UnityEngine;
using DopplerInteractive.TidyTileMapper.Utilities;

public class MapDemo : MonoBehaviour {
    
  //This is the map that we will create and subsequently modify
  BlockMap map = null;
  
  //Our map properties - correlate directly to the map properties in the Editor Extension
  public Vector3 tileScale = new Vector3(1.0f,1.0f,1.0f);
  public string mapName = "Our demonstration map";
  public BlockMap.GrowthAxis growthAxis = BlockMap.GrowthAxis.Up;
  
  //The dimensions of our demo map
  public int mapWidth;
  public int mapHeight;
  
  //This is the Block that we will be using to populate our map
  public Block blockPrefab;
  
  void Awake(){
    
    //Step one: Let's create a map
    map = BlockUtilities.CreateBlockMap(mapName, tileScale, 5, 5, growthAxis);
    
    //Let's enable pooling and kill many demonstration birds with one demonstration stone
    AssetPool.EnablePooling();
    
    GenerateMap();
    
  }
  
  void Update(){
    
    if(Input.GetMouseButtonDown(0)){
      
      //We're going to cast a ray, see if we hit a block, and toggle it
      
      Ray r = Camera.mainCamera.ScreenPointToRay(Input.mousePosition);
      
      RaycastHit hitInfo;
      
      if(Physics.Raycast(r,out hitInfo,mapHeight*1.5f)){
        
        Block b = hitInfo.collider.GetComponent<Block>();
        
        if(b != null){
          
          Block newBlock = null;
          
          if(b.isNullBlock){
            //This block is empty, so make it full  
            GameObject o = AssetPool.Instantiate(blockPrefab.gameObject);
            newBlock = o.GetComponent<Block>();
            
            //Done, add the new block to the map
            BlockUtilities.AddBlockToMap(map,newBlock,false,0,false,b.x,b.y,b.depth,false,false);  
                    
          }
          else{
            //This block is not empty, so make it empty
            BlockUtilities.RemoveBlockFromMap(map,b.x,b.y,b.depth,true,false);
        
          }
          
        }
        
      }
      
    }
    
  }
  
  void GenerateMap(){
    
    //Let's build a map
    for(int x = 0; x < mapWidth; x++){
      
      for(int y = 0; y < mapHeight; y++){
        
        //Controversially, we're going to populate our map entirely with blocks at first
        //After this, we will click on these blocks and replace them with empty blocks
        
        GameObject o = AssetPool.Instantiate(blockPrefab.gameObject);
        Block newBlock = o.GetComponent<Block>();
        
        BlockUtilities.AddBlockToMap(map,newBlock,false,0,false,x,y,0,false,false);
        
      }
      
    }

    BlockUtilities.RefreshMap(map,true);
    
  }
    
}