using UnityEngine;
using System.Collections;
using UnityEngine.AI;

public class WalkState : CharacterState
{
    public override void MovementMotor()
    {
        if (charManager.Destination == null)
        {
            float h = Input.GetAxis("Horizontal");
            float v = Input.GetAxis("Vertical");
            Vector3 camForward_Dir = Vector3.Scale(Camera.main.transform.forward, new Vector3(1, 0, 1)).normalized;
            Vector3 move = v * camForward_Dir + h * Camera.main.transform.right;
            if (move.magnitude > 1f)
                move.Normalize();
            move = charManager.transform.InverseTransformDirection(move);
            float turnAmount = Mathf.Atan2(move.x, move.z);
            charManager.transform.Rotate(0, turnAmount * charManager.RotationSpeed * Time.deltaTime, 0);

            if (charManager._characterController.isGrounded)
            {
                charManager._moveDirection = transform.forward * move.magnitude;

                charManager._moveDirection *= charManager.Speed;
            }
            charManager._moveDirection.y -= charManager.Gravity * Time.deltaTime;


            if (move.magnitude <= 0)
            {
                ChangeState(charManager.Idle);
                return;
            }
        }
        if (charManager.Destination != null)
        {
            if (Vector3.Distance(charManager.Destination.position, charManager.transform.position) < 15)
            {
                charManager.skill = new Skill()
                {
                    effectPrefab = Resources.Load("Effect1") as GameObject,
                    animName = "attack1",
                    skillType = SkillType.MAGIC,
                    AttachPoint = GameManager.instance.playerList[charManager.myIndex].GetComponent<RFX4_EffectEvent>().AttachPoint,
                    CharacterAttach = GameManager.instance.playerList[charManager.myIndex].GetComponent<RFX4_EffectEvent>().CharacterAttachPoint,
                    target = GameManager.instance.playerList[charManager.myIndex].GetComponent<CombatScript>().selectedTarget
                };
                ChangeState(charManager.MagicCombatState);
                return;
            }
            else
            {
                charManager.navAgent.updateRotation = true;
            }
        }
    }

    public override void ProcessInput()
    {
        if (charManager._characterController.isGrounded)
        {
            if (Input.GetButton("Jump"))
            {
                charManager._moveDirection.y = charManager.JumpSpeed;
                ChangeState(charManager.JumpState);
            }
        }
    }

    public override void UpdateState()
    {
        //if(charManager.Destination == null)
        charManager._characterController.Move(charManager._moveDirection * Time.deltaTime);
        //else
        if (charManager.Destination != null)
        {
            if (Vector3.Distance(charManager.Destination.position, charManager.transform.position) > 15)
            {
                charManager.navAgent.SetDestination(charManager.Destination.position);
            }
        }
    }

    protected override void OnDisable()
    {
        charManager._animator.SetBool("run", false);
    }

    protected override void OnEnable()
    {
        charManager._animator.SetBool("run", true);
    }
}