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

public class ArmBow : MonoBehaviour
{
    [SerializeField] AnimationPlayer AP_arm;
    [SerializeField] Animator AP_bow;
    [SerializeField] AnimationPlayer AP_bowForArrow;
    [SerializeField] GameObject arrow;
    [SerializeField] BowCamera bowCamera;
    public HashSet<TargetBody> validTargets = new HashSet<TargetBody>();
    private bool canShoot = false;
    private bool pulling = false;
    private bool readying = false;

    public static ArmBow ins;

    void Start()
    {
        ins = this;
        this.readyShoot();
    }

    void OnDestroy() 
    {
        ins = null;
    }

    void FixedUpdate()
    {
        // if (this.canShoot)
        // {
        //     DebugBowPower.ins.DoUpdate();
        // }
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Q)) 
        {
            this.ADS_fire();
        }
        if (this.pulling) {
            this.bowCamera.updateFollowPullBow();
        } else if (!this.canShoot)
        {
            this.bowCamera.updateGiveUpPullBow();
        }
        CrossHair.ins.gameObject.SetActive(this.canShoot);
    }

    void onComplete(AnimationPlayerCompleteResult res) {
        if (res.index == 1) {
            this.ADS_idle();
        } else if (res.index == 3) {
            this.idle();
        }
    }

    void idle() {
        this.arrow.SetActive(false);
        AP_arm.play(0, WrapMode.Loop);
        AP_bowForArrow.play(0, WrapMode.Loop);
        // AP_bow.SetBool("ads", false);
        // AP_bow.SetBool("fire", false);
        AP_bow.Play("gong_daiji");
        AP_arm.completeCallback = null;
        this.pulling = false;
        this.canShoot = false;
        // DebugBowPower.ins.Init();
    }

    public void idleToADS() {
        this.arrow.SetActive(true);
        AP_arm.play(1, WrapMode.Once);
        AP_bowForArrow.play(1, WrapMode.Once);
        // AP_bow.SetBool("ads", true);
        // AP_bow.SetBool("idle", false);
        AP_bow.Play("gong_lagong");
        AP_arm.completeCallback = onComplete;
        this.pulling = true;
        this.canShoot = false;
    }

    void ADS_idle() {
        AP_arm.play(2, WrapMode.Loop);
        AP_bowForArrow.play(2, WrapMode.Loop);
        AP_bow.Play("gong_lagongdaiji");
        AP_arm.completeCallback = null;
        this.canShoot = true;
        this.pulling = false;
        // DebugBowPower.ins.PullFinish();
    }

    public void ADS_fire() {
        if (!this.canShoot)
        {
            return;
        } 
        this.pulling = false;
        this.canShoot = false;
        this.readying = false;
        AP_arm.play(3, WrapMode.Once);
        AP_bowForArrow.play(3, WrapMode.Once);
        // AP_bow.SetBool("fire", true);
        AP_bow.Play("gong_songshou");
        AP_arm.completeCallback = onComplete;
        this.Invoke("shoot", 0.1f);
    }

    public void readyShoot() {
        this.readying = true;
        this.bowCamera.setFieldOfView(60, false);
        this.idle();
        this.gameObject.SetActive(true);
        this.Invoke("idleToADS", 0.5f);
    }

    public void shoot() {
        Vector3 rayHitPoint = CrossHair.ins.getRayHitPoint();

        GameObject arrowCopy = GameObject.Instantiate(this.arrow, this.bowCamera.transform.position, this.bowCamera.transform.rotation);

        Vector3 s1 = arrowCopy.transform.localScale;
        Vector3 s2 = bowCamera.transform.localScale;
        arrowCopy.transform.localScale = new Vector3(s1.x * s2.x, s1.y * s2.y, s1.z * s2.z);

        arrowCopy.transform.LookAt(rayHitPoint);

        Arrow arrowComp = arrowCopy.AddComponent<Arrow>();
        arrowComp.armBow = this;
        // arrowComp.calculateSpeed(rayHitPoint);
        // Arrow.speed = BaseSpeedSlider.ins.getValue() * DebugBowPower.ins.getPowerPercent();
        // Arrow.speed = BaseSpeedSlider.ins.getValue();
        Arrow.speed = ShootCheck.ins.shootSpeed * BaseSpeedSlider.ins.getValue();

        arrowCopy.SetActive(true);  
        arrow.SetActive(false);

        AudioMgr.ins.PlayShoot(AudioMgr.GetAudioSource(arrowCopy));
        this.gameObject.SetActive(false);
    }

    public void OnEnable() 
    {
        AudioMgr.GetAudioSource(this.gameObject).clip = null;
    }

    //debug
    public void mouseDown() 
    {
        if (!this.readying) return;
        if (this.pulling || this.canShoot) return;
        this.idleToADS();
    }

    public void mouseUp() 
    {
        if (!this.readying) return;
        if (this.pulling) {
            this.idle();
        } else if (this.canShoot) {
            this.ADS_fire();
        }
    }
}