using UnityEngine;
using UnityEngine.UI;
using System.Collections;

public class fxController : MonoBehaviour {

    public int levelFX = 0;
    public int FX = 0;
    public GameObject[] fxObject;
    public Text levelFXTxt;
    public Text numberFXTxt;
	public Text nameFXTxt;
    public Camera myCamera;
    int cameraZoom = 2;
    float[] cameraFOV = new float[] { 40, 50, 60 };

    void Start() {
        for (int i = 0; i < 4; i++) {
            fxObject[i].SetActive(false);
        }
        SetlevelFXTxt(levelFX, FX);
    }

    void Update() {
        if (Input.GetKeyDown(KeyCode.UpArrow)) {
            levelFX++;
            levelFX = Mathf.Clamp(levelFX, 0, 3);
            DisabledFX();
        }
        if (Input.GetKeyDown(KeyCode.DownArrow)) {
            levelFX--;
            levelFX = Mathf.Clamp(levelFX, 0, 3);
            DisabledFX();
        }

        if (Input.GetKeyDown(KeyCode.LeftArrow)) {
            FX--;
            FX = Mathf.Clamp(FX, 0, 7);
            DisabledFX();
        }
        if (Input.GetKeyDown(KeyCode.RightArrow)) {
            FX++;
            FX = Mathf.Clamp(FX, 0, 7);
            DisabledFX();
        }
        if (Input.GetKeyDown(KeyCode.KeypadMinus)) {
            cameraZoom = Mathf.Clamp(cameraZoom + 1, 0, 2);
        }
        if (Input.GetKeyDown(KeyCode.KeypadPlus)) {
            cameraZoom = Mathf.Clamp(cameraZoom - 1, 0, 2);
        }
        myCamera.fieldOfView 
            = Mathf.Lerp(myCamera.fieldOfView, cameraFOV[cameraZoom], 0.2f);

        switch (FX) {
            case 0:
			if (levelFX == 0) { fxObject[0].SetActive(true); SetNameFXTxt (0);};
			if (levelFX == 1) { fxObject[1].SetActive(true); SetNameFXTxt (1);};
			if (levelFX == 2) { fxObject[2].SetActive(true); SetNameFXTxt (2);};
			if (levelFX == 3) { fxObject[3].SetActive(true); SetNameFXTxt (3);};
                break;
            case 1:
			if (levelFX == 0) { fxObject[4].SetActive(true); SetNameFXTxt (4);};
			if (levelFX == 1) { fxObject[5].SetActive(true); SetNameFXTxt (5);};
			if (levelFX == 2) { fxObject[6].SetActive(true); SetNameFXTxt (6);};
			if (levelFX == 3) { fxObject[7].SetActive(true); SetNameFXTxt (7);};
                break;
            case 2:
			if (levelFX == 0) { fxObject[8].SetActive(true); SetNameFXTxt (8);};
			if (levelFX == 1) { fxObject[9].SetActive(true); SetNameFXTxt (9);};
			if (levelFX == 2) { fxObject[10].SetActive(true); SetNameFXTxt (10);};
			if (levelFX == 3) { fxObject[11].SetActive(true); SetNameFXTxt (11);};
                break;
            case 3:
			if (levelFX == 0) { fxObject[12].SetActive(true); SetNameFXTxt (12);};
			if (levelFX == 1) { fxObject[13].SetActive(true); SetNameFXTxt (13);};
			if (levelFX == 2) { fxObject[14].SetActive(true); SetNameFXTxt (14);};
			if (levelFX == 3) { fxObject[15].SetActive(true); SetNameFXTxt (15);};
                break;
            case 4:
			if (levelFX == 0) { fxObject[16].SetActive(true); SetNameFXTxt (16);};
			if (levelFX == 1) { fxObject[17].SetActive(true); SetNameFXTxt (17);};
			if (levelFX == 2) { fxObject[18].SetActive(true); SetNameFXTxt (18);};
			if (levelFX == 3) { fxObject[19].SetActive(true); SetNameFXTxt (19);};
                break;
            case 5:
			if (levelFX == 0) { fxObject[20].SetActive(true); SetNameFXTxt (20);};
			if (levelFX == 1) { fxObject[21].SetActive(true); SetNameFXTxt (21);};
			if (levelFX == 2) { fxObject[22].SetActive(true); SetNameFXTxt (22);};
			if (levelFX == 3) { fxObject[23].SetActive(true); SetNameFXTxt (23);};
                break;
            case 6:
			if (levelFX == 0) { fxObject[24].SetActive(true); SetNameFXTxt (24);};
			if (levelFX == 1) { fxObject[25].SetActive(true); SetNameFXTxt (25);};
			if (levelFX == 2) { fxObject[26].SetActive(true); SetNameFXTxt (26);};
			if (levelFX == 3) { fxObject[27].SetActive(true); SetNameFXTxt (27);};
                break;
            case 7:
			if (levelFX == 0) { fxObject[28].SetActive(true); SetNameFXTxt (28);};
			if (levelFX == 1) { fxObject[29].SetActive(true); SetNameFXTxt (29);};
			if (levelFX == 2) { fxObject[30].SetActive(true); SetNameFXTxt (30);};
			if (levelFX == 3) { fxObject[31].SetActive(true); SetNameFXTxt (31);};
                break;
            case 8:
			if (levelFX == 0) { fxObject[32].SetActive(true); SetNameFXTxt (32);};
			if (levelFX == 1) { fxObject[33].SetActive(true); SetNameFXTxt (33);};
			if (levelFX == 2) { fxObject[34].SetActive(true); SetNameFXTxt (34);};
			if (levelFX == 3) { fxObject[35].SetActive(true); SetNameFXTxt (35);};
                break;
            case 9:
			if (levelFX == 0) { fxObject[36].SetActive(true); SetNameFXTxt (36);};
			if (levelFX == 1) { fxObject[37].SetActive(true); SetNameFXTxt (37);};
			if (levelFX == 2) { fxObject[38].SetActive(true); SetNameFXTxt (38);};
			if (levelFX == 3) { fxObject[39].SetActive(true); SetNameFXTxt (39);};
                break;
        }
    }

    void DisabledFX() {
		for (int i = 0; i < 32 ; i++) {
            fxObject[i].SetActive(false);
        }
        SetlevelFXTxt(levelFX,FX);
    }

    void SetlevelFXTxt(int i, int j) {
		switch (i) {
		case 0: 
			levelFXTxt.text = "Level : Light";
			break;
		case 1: 
			levelFXTxt.text = "Level : Medium";
			break;
		case 2: 
			levelFXTxt.text = "Level : Heavy";
			break;
		case 3: 
			levelFXTxt.text = "Level : VeryHeavy";
			break;
		}
        i++;
        j++;
        numberFXTxt.text = "No.  : " + j.ToString() + " / 8";
    }

	void SetNameFXTxt (int i) {
		nameFXTxt.text = "Name  : " + fxObject [i].gameObject.name;
	}
}