using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;

public class BlockManager : NetworkBehaviour
{
    public enum BlockType {None, Barricade, Door, Wood, Ammo, FireCamp, Pills};
    public BlockType blockType = BlockType.None;
    public float health = 100;
    public float healthRate = 5;
    private float healthTime = 5;
    private Animation animation;
    private PlayerManager player;
    private bool action = false;
    public List<GameObject> amountModels = new List<GameObject>();
    public GameObject pills;
    public GameObject prefabPills;
    public Vector3 spawnPillsPoint;

    public AudioSource audioSource = new AudioSource();
    public AudioClip doorSound;

    // Start is called before the first frame update
    void Start()
    {
        player = FindObjectOfType<PlayerManager>();
        if (blockType == BlockType.Door)
        {
            animation = this.GetComponent<Animation>();
        }
        else if (blockType == BlockType.Wood)
        {
            healthTime = healthRate;
        }
        else if (blockType == BlockType.Ammo)
        {
            healthTime = healthRate;
        }
        else if (blockType == BlockType.Pills)
        {
            healthTime = healthRate;
        }
    }

    // Update is called once per frame
    void Update()
    {
        SpikeHit();
        if (blockType == BlockType.Wood)
        {
            if (health < 100 && healthTime < Time.time)
            {
                health += 10;
                healthTime = healthRate + Time.time;
            }
        }
        else if (blockType == BlockType.Ammo)
        {
            if (health < 100 && healthTime < Time.time)
            {
                health += 10;
                healthTime = healthRate + Time.time;
            }
        }
        else if (blockType == BlockType.Pills)
        { 
            if (pills == null && healthTime < Time.time) {
                pills = Instantiate(prefabPills, spawnPillsPoint, prefabPills.transform.rotation);
                this.GetComponent<BoxCollider>().enabled = true;
            }
        }
        viewHealthAs();
    }

    void viewHealthAs()
    {
        if (blockType == BlockType.Wood) {
            if (amountModels.Count > 0)
            {
                for (int i = 0; i < amountModels.Count; i++)
                {
                    if (i < ((100 - health) / 3.7f))
                    {
                        amountModels[i].SetActive(false);
                    }
                    else
                    {
                        amountModels[i].SetActive(true);
                    }
                }
            }
        }
        else if (blockType == BlockType.Ammo)
        {
            if (amountModels.Count > 0)
            {
                for (int i = 0; i < amountModels.Count; i++)
                {
                    if (i < ((100 - health) / 4.5f))
                    {
                        amountModels[i].SetActive(false);
                    }
                    else
                    {
                        amountModels[i].SetActive(true);
                    }
                }
            }
        }
    }

    public void Action()
    {
        if (blockType == BlockType.Door)
        {
            if (!animation.isPlaying)
            {
                audioSource.PlayOneShot(doorSound);
                if (!action)
                {
                    animation["Door"].speed = 1;
                    animation["Door"].time = 0;
                    action = true;
                }
                else
                {
                    animation["Door"].speed = -1;
                    animation["Door"].time = animation["Door"].length;
                    action = false;
                }
                animation.Play("Door");
            }
        }
        else if (blockType == BlockType.Wood)
        {
            if (health > 0 && player.barricadeMaterials < 50) {
                health -= 10;
                player.barricadeMaterials += (player.barricadeMaterials <= 40 ? 10 : (50 - player.barricadeMaterials));
            }
        }
        else if (blockType == BlockType.Ammo)
        {
            if (health > 0 && player.ammo < 50)
            {
                health -= 10;
                player.ammo += (player.ammo <= 40 ? 10 : (50 - player.ammo));
            }
        }
        else if (blockType == BlockType.Pills)
        {
            if (pills != null && player.actualHealth != player.health) {
                if (player.actualHealth <= player.health - health)
                {
                    player.actualHealth += health;
                }
                else
                {
                    player.actualHealth = player.health;
                }
                Destroy(pills);
                this.GetComponent<BoxCollider>().enabled = false;
                healthTime = healthRate + Time.time;
            }
        }
    }

    void SpikeHit()
    {
        if (blockType == BlockType.Barricade) {
            RaycastHit hit;
            if (Physics.BoxCast(this.transform.position + new Vector3(-0.05f, 0.75f, 1.0f), new Vector3(0.5f, 0.75f, 1.0f), this.transform.forward, out hit, transform.rotation,1.0f))
            {
                if (hit.collider.CompareTag("Enemy"))
                {
                    EnemyManager enemyManager = hit.collider.transform.GetComponent<EnemyManager>();
                    if (enemyManager != null)
                    {
                        enemyManager.Damage(100);
                        health = 0;
                        for (int i = 0; i < amountModels.Count; i++)
                        {
                            amountModels[i].transform.parent = null;
                            Destroy(amountModels[i], 4);
                        }
                        Destroy(this.gameObject);
                    }
                }
            }
        }
    }
}