using UnityEngine;

public class SceneBlockContainer : MonoBehaviour
{
    public enum Targets
    { Free, Go, Attack, Defence, Stay, Num };// Num is use for get total target bumber

    public float sceneSize = 10f;
    public GameObject environmentObj;
    public GameObject hudObj;
    // public GameObject[] attackBlockPrefabs = new GameObject[1];
    // public GameObject[] goBlockPrefabs = new GameObject[1];
    // public GameObject[] defencePrefabs = new GameObject[1];
    public SceneBlocksSet scenePrefabSet;

    private GameObject nowBlockObj;
    public SceneBlock nowBlock;

    private void Start()
    {
        // initialize scene prefab set
        scenePrefabSet.InitializeSceneBlocksSet(hudObj);
    }

    // create appointed block at appointed position
    public void CreateNewBlock(Targets targetType, int level, int blockType, Vector3 blockPosition, string tag1 = "Player", string tag2 = "Enemy")
    {
        // check if nowBlock is deleted
        if (nowBlockObj != null)
        {
            // delete nowBlock
            // Debug.LogWarning("SceneBlockContainer.CreateNewBlock: Block not clear!");
            DestroyBlock();
        }
        // choose target type
        nowBlockObj = Instantiate(scenePrefabSet.GetPrefab(targetType, level, blockType), blockPosition + environmentObj.transform.position, Quaternion.identity, transform);
        nowBlock = nowBlockObj.GetComponent<SceneBlock>();
        nowBlock.group1Tag = tag1;
        nowBlock.group2Tag = tag2;
        sceneSize = nowBlock.blockSize;
    }

    // delete nowBlock
    public void DestroyBlock()
    {
        if (nowBlock != null)
        {
            nowBlock.DestroyMe();
        }
        nowBlockObj = null;
        nowBlock = null;
    }

    public (float, int) GetAgentTargetDistanceAndInside(Vector3 agentPosition)
    {
        return nowBlock.GetDistInArea(agentPosition);
    }

    public void InitializeBlock(GameObject envObj)
    {
        nowBlock.InitBlock(envObj);
    }
}