using UnityEngine;
using UnityEngine.UI;

namespace Cryville.Common.Unity {
	public class Popup : MonoBehaviour {

		public string Message = "";

		LayoutElement layout;

		float timer = 0;

		const float DURATION = 5.0f;
		const float DURIN = 0.4f;
		const float DUROUT = 0.4f;
		const float HEIGHT = 50f;

#pragma warning disable IDE0051
		void Start() {
			layout = GetComponent<LayoutElement>();
			GetComponentInChildren<Text>().text = Message;
			transform.SetParent(GameObject.Find("PopupList").transform);
			layout.minHeight = 0;
		}

		void Update() {
			if (timer <= DURIN) layout.minHeight = timer / DURIN * HEIGHT;
			else if (timer >= DURATION) GameObject.Destroy(gameObject);
			else if (timer >= DURATION - DUROUT) layout.minHeight = (DURATION - timer) / DUROUT * HEIGHT;
			timer += Time.deltaTime;
		}
#pragma warning restore IDE0051
	}
}