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

public enum rangeType
{
    Dectection,
    Combat,
    TooClose,
}

public class AI_BaseClass : MonoBehaviour {
    public GameObject target;

    [Range(1, 50)]
    public float DetectRange,CombatRange,TooCloseRange;

    [Range(0, 1)]
    public float field_of_vison;

    [Range(0.01f, 0.1f)]
    public float presision;

    public bool debugMode;

    void Update() {
        InRange(rangeType.Dectection);
    }

    bool InRange(rangeType type)
    {
        if (type == rangeType.Dectection)
        {
            for (float i = 0; i < field_of_vison; i += presision)
            {
                if (debugMode) { Debug.DrawLine(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.right, i) * DetectRange)); }
                if (Physics.Linecast(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.right, i) * DetectRange))) { return true; }
            }
            for (float i = 0; i < field_of_vison; i += presision)
            {
                if (debugMode) { Debug.DrawLine(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.left, i) * DetectRange)); }
                if (Physics.Linecast(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.left, i) * DetectRange))) { return true; }
            }
        }

        if (type == rangeType.Combat)
        {
            for (float i = 0; i < field_of_vison; i += presision)
            {
                Debug.DrawLine(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.right, i) * CombatRange));
                if (Physics.Linecast(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.right, i) * CombatRange))) { return true; }
            }
            for (float i = 0; i < field_of_vison; i += presision)
            {
                Debug.DrawLine(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.left, i) * CombatRange));
                if (Physics.Linecast(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.left, i) * CombatRange))) { return true; }
            }
        }

        if (type == rangeType.TooClose)
        {
            for (float i = 0; i < field_of_vison; i += presision)
            {
                Debug.DrawLine(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.right, i) * TooCloseRange));
                if (Physics.Linecast(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.right, i) * TooCloseRange))) { return true; }
            }
            for (float i = 0; i < field_of_vison; i += presision)
            {
                Debug.DrawLine(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.left, i) * TooCloseRange));
                if (Physics.Linecast(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.left, i) * TooCloseRange))) { return true; }
            }
        }
        return false;
    }

    void OnDrawGizmosSelected()
    {
        Gizmos.color = new Color(0, 0, 0, 0.5f);
        Gizmos.DrawLine(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward,Vector3.right,field_of_vison) * DetectRange));
        Gizmos.DrawLine(transform.position, transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.left, field_of_vison) * DetectRange));
        Gizmos.DrawLine(transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.right, field_of_vison) * DetectRange), transform.TransformPoint(Vector3.Slerp(Vector3.forward, Vector3.left, field_of_vison) * DetectRange));

        Gizmos.color = new Color(0, 125f, 0,0.5f);
        Gizmos.DrawWireSphere(transform.position, DetectRange);

        Gizmos.color = new Color(125f, 0, 0, 0.5f);
        Gizmos.DrawWireSphere(transform.position, CombatRange);

        Gizmos.color = new Color(0, 0, 125f, 0.5f);
        Gizmos.DrawWireSphere(transform.position, TooCloseRange);
    }
}