using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Linq;
using System;

public enum BossThugEnum
{
    Pending=0, //waiting for npcs to die
    Talking=1,
    Attacking=2
}

[RequireComponent(typeof(NpcDialogueManager))]
public class BossThug : MonoBehaviour
{

    public GameObject npc1;
    public GameObject npc2;
    private GameObject player;
    private GameObject doorway;
    public Animator animator;
    private Rigidbody2D rb;
    public RuntimeAnimatorController newController;

    public bool isAfterConversation = false;  // drop it if you can...
    public bool isDuringConversation = false;
    public BossThugEnum state = BossThugEnum.Pending;

    // Start is called before the first frame update
    public void Awake()
    {
        gameObject.GetComponent<NpcDialogueManager>().OpenInDefaultWay = false;
    }

    void Start()
    {
        rb = GetComponent<Rigidbody2D>();
        animator = GetComponent<Animator>();
        npc1 = GameObject.FindObjectsOfType<GameObject>(true).Where(sr => sr.gameObject.name == "ThugBob" && sr.gameObject.tag == "Enemy").ToArray()[0];
        npc2 = GameObject.FindObjectsOfType<GameObject>(true).Where(sr => sr.gameObject.name == "ThugBen" && sr.gameObject.tag == "Enemy").ToArray()[0];
        player = GameObject.FindGameObjectWithTag("Player");
        doorway = GameObject.FindObjectsOfType<GameObject>(true).Where(sr => sr.gameObject.name == "DoorToHell" && sr.gameObject.tag == "SceneTransition").ToArray()[0];

        if (npc1 == null || npc2 == null || player == null || doorway == null)
        {
            throw new Exception("Object has not been found in the scene");
        }
    }

    // Update is called once per frame
    void Update()
    {
        if (
            (npc1.GetComponent<Enemy>().health <= 0 && npc1.GetComponent<Enemy>().isKilled == 1) &&
            (npc2.GetComponent<Enemy>().health <= 0 && npc2.GetComponent<Enemy>().isKilled == 1) && 
            state == BossThugEnum.Pending)
        {
            state = BossThugEnum.Talking; // UZUPELNIC DIALOG

            
        }
        else if (state == BossThugEnum.Attacking && player.GetComponent<Player>().currentHealth <= 0)
        {
            // 3. Save additional controls
            SkillsUIManager.Instance.keyToOpen = (KeyCode) System.Enum.Parse(typeof(KeyCode), PlayerPrefs.GetString("Skills"));
            DisplayExpStatus.keyToExp = (KeyCode) System.Enum.Parse(typeof(KeyCode), PlayerPrefs.GetString("EXP HEALTH"));
            DisplayHealthStatus.keyToHealth = (KeyCode) System.Enum.Parse(typeof(KeyCode), PlayerPrefs.GetString("EXP HEALTH"));
            DisplayExpStatus.keyToExp = (KeyCode) System.Enum.Parse(typeof(KeyCode), PlayerPrefs.GetString("ExpHlth"));
            DisplayHealthStatus.keyToHealth = (KeyCode) System.Enum.Parse(typeof(KeyCode), PlayerPrefs.GetString("ExpHlth"));
            PlayerPrefs.Save();
            doorway.GetComponent<DoorBehaviour>().ScenetToMoveTo();
            PlayerPrefs.SetFloat("health-S", 10.0f);
            PlayerPrefs.SetFloat("health-S", 10.0f);
        }
        switch (state)
        {
            case BossThugEnum.Attacking:
            {
                ActivateKillingMode();
                break;
            }
            case BossThugEnum.Talking:
            {
                ActivateDialogueMode(); //later add trigger events etc
                break;
            }
        }
    }

    private void ActivateKillingMode()
    {
        // set lower radious in order to less attack distance
        gameObject.GetComponent<CircleCollider2D>().radius = 2f;

        gameObject.GetComponent<FollowingEnemy>().enabled=true;
        animator.runtimeAnimatorController = Resources.Load("SampleScene/Enemies/BossThugAnimator.controller") as RuntimeAnimatorController;
        gameObject.GetComponent<FollowingEnemy>().baseAttack=1000f;
    }

    private void ActivateDialogueMode()
    {
        gameObject.GetComponent<CircleCollider2D>().radius = 4f;
    }

    public void ChanegStatusToAttack()
    {
        BreakConversation();

        SetEndConversation();

        state = BossThugEnum.Attacking;
    }


    public void OnTriggerEnter2D(Collider2D other)
    {
        if (other.tag == "Player" && state == BossThugEnum.Talking && !isAfterConversation && !isDuringConversation)
        {
            //gameObject.GetComponent<CircleCollider2D>().enabled = false;
            //gameObject.GetComponent<CircleCollider2D>().radius = 2f;

            isDuringConversation = true;

            gameObject.GetComponent<NpcDialogueManager>().Dialogue.StartDialogue();

        }
    }

    /*public void OnTriggerStay2D(Collider2D other)
    {
        if (other.tag == "Player" && state == BossThugEnum.Talking && !isAfterConversation && !isDuringConversation)
        {
            isDuringConversation = true;

            gameObject.GetComponent<NpcDialogueManager>().Dialogue.StartDialogue();
        }
    }*/

    public void OnTriggerExit2D(Collider2D other)
    {
        if (other.tag == "Player" && state == BossThugEnum.Talking && !isAfterConversation && isDuringConversation)
        {
            //gameObject.GetComponent<CircleCollider2D>().enabled = true;
            //gameObject.GetComponent<CircleCollider2D>().radius = 2f;


            isDuringConversation = false;

            gameObject.GetComponent<NpcDialogueManager>().Dialogue.BreakDialogueStep();

            //TODO break dialogue after leaving collider range!!!
        }
    }

    /// <summary>
    /// Set as action invoked in event after 'NpcDialogueManager::SetNextDialogue()' function to adjust Trigger2D event listening
    /// </summary>
    public void BreakConversation()
    {
        isDuringConversation = false;
    }

    /// <summary>
    /// Mark conversation as finished
    /// </summary>
    public void SetEndConversation()
    {
        isAfterConversation = true;
    }
}