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


public class AIJob {
    public Action<HumanoidAI, AIJob> OnEnter;
    public Action<HumanoidAI, AIJob> OnExit;
    public Action<HumanoidAI, AIJob> OnUpdate;
    public Action<HumanoidAI, AIJob> OnFixedUpdate;
    public bool done;
}

public class HumanoidAI : MonoBehaviour {
    public HumanController human;
    public float viewFov = 60;
    public float viewDistance = 2;
    public PlayerSensor viewSensor;

    private Queue<AIJob> _actionQueue = new Queue<AIJob>(); 

	// Use this for initialization
	void Start () {
	    
	}

    // Update is called once per frame
	void Update () {
	   
	}

    void OnValidate() {
        var pc = human.eyes.GetComponent<PolygonCollider2D>();
        if (pc == null) {
            pc = human.eyes.AddComponent<PolygonCollider2D>();

        }

        pc.isTrigger = true;
        int circleSegments = 5;


        var points = new Vector2[1 + (circleSegments + 1)];
        points[0] = new Vector2(0, 0);

        for (int i = 0; i <= circleSegments; ++i) {
            float angle = viewFov/circleSegments*i;
            points[i + 1] = Quaternion.AngleAxis(-0.5f * viewFov + angle, Vector3.forward) * new Vector3(1, 0, 0) * viewDistance;
        }
        pc.points = points;
    }

    void OnDrawGizmos() {
        var pos = human.eyes.transform.position;
        var eyesTf = human.eyes.transform.localToWorldMatrix;
        var right = eyesTf.MultiplyVector(Vector3.right).normalized;

        var d0 = Quaternion.AngleAxis(viewFov * 0.5f, Vector3.forward) * right;
        var d1 = Quaternion.AngleAxis(viewFov * -0.5f, Vector3.forward) * right;
        Gizmos.color = Color.blue;
        Gizmos.DrawLine(pos, pos + d0 * viewDistance);
        Gizmos.DrawLine(pos, pos + d1 * viewDistance);
        
        int sections = 15;
        int innerSections = 5;
        for (int i = 0; i < sections; ++i) {

            float angle0 = (viewFov / (float)sections * i) - (viewFov / 2);
            float angle1 = (viewFov / (float)sections * (i + 1)) - (viewFov / 2);

            var p0 = Quaternion.AngleAxis(angle0, Vector3.forward) * right;
            var p1 = Quaternion.AngleAxis(angle1, Vector3.forward) * right;


            Gizmos.DrawLine(pos + p0 * viewDistance, pos + p1 * viewDistance);
        }

        Gizmos.color = new Color(0,0,1,0.4f);
        for (int i = 0; i < sections; ++i) {

            for (int j = 0; j < innerSections; ++j) {
                float dist = (viewDistance / (innerSections + 1)) * (j + 1);

                float angle0 = (viewFov / (float)sections * i) - (viewFov / 2);
                float angle1 = (viewFov / (float)sections * (i + 1)) - (viewFov / 2);

                var p0 = Quaternion.AngleAxis(angle0, Vector3.forward) * right;
                var p1 = Quaternion.AngleAxis(angle1, Vector3.forward) * right;


                Gizmos.DrawLine(pos + p0 * dist, pos + p1 * dist);
            }


        }

       

    }


}