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using UnityEngine;
using System.Collections;
using PixelCrushers.DialogueSystem;
using UnityEngine.UI;

namespace PixelCrushers.DialogueSystem.SequencerCommands {

	public class SequencerCommandShowImage : SequencerCommand {
		GameObject imgPanel;

		public void Start() {
			var currentEntry = DialogueManager.CurrentConversationState.subtitle.dialogueEntry;
			var imageName = Field.LookupValue(currentEntry.fields, "Image");
			Debug.Log(imageName);

			// A changer
			imgPanel = GameObject.Find("Image Panel UI");
			imgPanel.GetComponent<Image>().sprite = Resources.Load<Sprite>("Images/" + imageName);

			StartCoroutine(FadeUp());
		}

		public void Update() {
			if (Input.GetMouseButtonDown(0)) {
				StartCoroutine(FadeDown());
			}
		}

		public void OnDestroy() {
			imgPanel.GetComponent<Image>().color = new Color(1, 1, 1, 0);
		}


		#region Lerp Alpha
		IEnumerator FadeUp() {
			for (float time = 0; time < 100; time++) {
				imgPanel.GetComponent<Image>().color = new Color(1, 1, 1, time / 100);
				yield return new WaitForSeconds(0.001f);
			}
		}

		IEnumerator FadeDown() {
			for (float time = 100; time > 0; time--) {
				imgPanel.GetComponent<Image>().color = new Color(1, 1, 1, time / 100);
				yield return new WaitForSeconds(0.001f);
			}
			Stop();
		}
		#endregion
	}


}