using UnityEngine;
using System.Collections;

public class NewMoveCamera : MonoBehaviour
{
    //Public
    public int zoom = 40;
    public int normal = 60;
    public float smooth = 5;
    public float speed = 10;

    //Objets

    public GameObject player;
    public GameObject[] waypoints;

    //Private
    private int i;
    private Camera cam;
    private bool moving;
    private bool move = false;
    private Vector3 targetPos = Vector3.zero;

    private void Start()
    {
        i = 0;
        moving = false;
        cam = Camera.main;
    }
    private void Update()
    {
        Cursor.visible = false;
        if (Input.GetMouseButtonDown(0))
        {
            RaycastHit hit;
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            if (Physics.Raycast(ray, out hit, 100f))
            {
                if (hit.transform != null)
                {
                    Rigidbody rb;
                    if (rb = hit.transform.GetComponent<Rigidbody>())
                    {
                        targetPos = hit.transform.position;
                        if (moving == false && move == false)
                        {
                            switch (hit.transform.gameObject.name)
                            {
                                case ("Sphere"):
                                    i = 0;
                                    StartCoroutine(MoveToWaypoint(waypoints[0].transform.position, speed));
                                break;

                                case ("Sphere (1)"):
                                    i = 1;
                                    StartCoroutine(MoveToWaypoint(waypoints[1].transform.position, speed));
                                break;

                                case ("Sphere (2)"):
                                    i = 2;
                                    StartCoroutine(MoveToWaypoint(waypoints[2].transform.position, speed));
                                break;

                                case ("Sphere (3)"):
                                    i = 3;
                                    StartCoroutine(MoveToWaypoint(waypoints[3].transform.position, speed));
                                break;

                                case ("Sphere (4)"):
                                    i = 4;
                                    StartCoroutine(MoveToWaypoint(waypoints[4].transform.position, speed));
                                break;
                            }
                        }
                        move = true;
                    }
                }
            }
        }

        if (move)
        {
            if (player.transform.position != targetPos)
            {
                player.transform.position = Vector3.Lerp(player.transform.position, targetPos, speed * Time.deltaTime);
                cam.fieldOfView = Mathf.Lerp(cam.fieldOfView, zoom, Time.deltaTime * smooth);
            }
            else
            {
                move = false;
                moving = false;
                cam.fieldOfView = Mathf.Lerp(cam.fieldOfView, zoom, Time.deltaTime * smooth);
            }
        }
        if ((Input.GetAxis("Mouse ScrollWheel") < 0) || (Input.GetKey(KeyCode.DownArrow)))
        {
            transform.Rotate(0, 0, 0);
            player.transform.position = new Vector3(0, 5.3f, 0);
            cam.fieldOfView = 60;
            move = false;
            moving = false;
        }
        if ((Input.GetAxis("Mouse ScrollWheel") > 0) || (Input.GetKey(KeyCode.UpArrow)) && !moving)
        {
            if (i >= waypoints.Length)
            {
                /*transform.Rotate(0, 0, 0);
                player.transform.position = new Vector3(0, 5.3f, 0);
                cam.fieldOfView = 60;
                move = false;
                moving = false;*/
                i = 0;
            }
            /*if (player.transform.position != waypoints[i].transform.position) {
                player.transform.position = Vector3.MoveTowards(player.transform.position, waypoints[i].transform.position, speed * Time.deltaTime);
            }*/
            StartCoroutine(MoveToWaypoint(waypoints[i++].transform.position, speed));
        }
    }
    private IEnumerator MoveToWaypoint(Vector3 target, float speed)
    {
        moving = true;
        float sT = speed * Time.deltaTime;
        while (player.transform.position != target)
        {
            player.transform.position = Vector3.MoveTowards(player.transform.position, target, sT * 2.0f);
            cam.fieldOfView = Mathf.Lerp(cam.fieldOfView, zoom, Time.deltaTime * smooth);
            yield return null;
        }
        moving = false;
        move = false;
    }
}