using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace Assets.Scripts.UI.Control
{
    public class PFUIInputField: PFUIComponentBase
    {
        [SerializeField]
        private InputField mInnerInputField;
        private Outline outline;
        private bool isSelected = false;

        public string Text
        {
            get
            {
                return this.mInnerInputField.text;
            }
            set
            {
                this.mInnerInputField.text = value;
            }
        }

        string placeHolderText;
        public void OnSelect(BaseEventData eventData)
        {
            if (this.gameObject.activeInHierarchy == false)
            {
                return;
            }

            isSelected = true;
            //throw new NotImplementedException();
            this.mInnerInputField.OnSelect(eventData);
            //var image = this.transform.GetComponent<Image>();
            // var png = Resources.Load<Sprite>("Images/ipt-1");
            //image.sprite = png;
            var _text = mInnerInputField.transform.Find("Text").GetComponent<Text>();
            if (_text.color!=Color.white) 
            {
                Text = "";
            }
            _text.color = Color.white;
            transform.Find("Placeholder").GetComponent<Text>().text = "";
            outline.enabled = true;
            ColorUtility.TryParseHtmlString("#F93086", out Color color);
            
            outline.effectColor = color;            
        }

        public void OnDeselect(BaseEventData eventData)
        {
            if(this.gameObject.activeInHierarchy == false)
            {
                return;
            }

            isSelected = false;
            this.mInnerInputField.OnDeselect(eventData);
            transform.Find("Placeholder").GetComponent<Text>().text = placeHolderText;
            //var image = this.transform.GetComponent<Image>();
            //var png1 = Resources.Load<Sprite>("Images/ipt-0");
            //image.sprite = png1;
            outline.enabled = false;
        }

        void Awake()
        {
            Material material = null;
            if (material == null)
            {
                material = Instantiate(Resources.Load<Material>("UI/Material/RoundedCornersTextureMaterial"));
            }
            var rect = ((RectTransform)transform).rect;
            material.SetVector(Shader.PropertyToID("_WidthHeightRadius"), new Vector4(rect.width, rect.height, Math.Min(rect.height*0.7f, 50f), 0));
            gameObject.GetComponent<Image>().material = material;

            outline = this.GetComponent<Outline>();
            if (outline == null)
            {
                outline = this.gameObject.AddComponent<Outline>();
                outline.effectDistance = new Vector2(2, 2);
                outline.enabled = false;
            }

            //UIManager.AddEvent(this.mInnerInputField.gameObject, EventTriggerType.PointerClick, new UnityAction<BaseEventData>(this.OnSelect));
            UIManager.AddEvent(this.mInnerInputField.gameObject, EventTriggerType.Select, new UnityAction<BaseEventData>(this.OnSelect));
            UIManager.AddEvent(this.mInnerInputField.gameObject, EventTriggerType.Deselect, new UnityAction<BaseEventData>(this.OnDeselect));
            UIManager.AddEvent(this.mInnerInputField.gameObject, EventTriggerType.PointerEnter, new UnityAction<BaseEventData>((e) =>
            {
                if (isSelected)
                {
                    return;
                }
                outline.enabled = true;
                ColorUtility.TryParseHtmlString("#6E6E7D", out Color color);
                outline.effectColor = color;
            }));

            UIManager.AddEvent(this.mInnerInputField.gameObject, EventTriggerType.PointerExit, new UnityAction<BaseEventData>(e =>
            {
                if (isSelected)
                {
                    return;
                }
                //outline = this.gameObject.AddComponent<Outline>();
                outline.enabled = false;                
            }));
            placeHolderText = transform.Find("Placeholder").GetComponent<Text>().text;
        }

        public void SetValidate(bool value)
        {
            if (value)
            {
                outline.enabled = true;
                outline.effectColor = Utils.HexToColorHtml("#F93086");
                ColorUtility.TryParseHtmlString("#F93086", out Color color);
                this.mInnerInputField.transform.Find("Text").GetComponent<Text>().color = color;
            }
            else
            {
                this.mInnerInputField.transform.Find("Text").GetComponent<Text>().color = Color.white;
                outline.enabled = false;
            }
        }
        public void SetValidate(string msg)
        {
            this.mInnerInputField.transform.Find("Text").GetComponent<Text>().color = Utils.HexToColorHtml("#F93086");
            Text = msg;
            outline.enabled = true;
            outline.effectColor = Utils.HexToColorHtml("#F93086");
        }
    }
}