using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEngine;
using UnityEngine.UI;
using UnityExplorer.UI.Inspectors.IValues;
using UnityExplorer.UI.Widgets;

namespace UnityExplorer.UI.Inspectors.CacheObject.Views
{
    public class CacheKeyValuePairCell : CacheObjectCell
    {
        public Image Image { get; private set; }
        public InteractiveDictionary DictOwner => Occupant.Owner as InteractiveDictionary;

        public LayoutElement KeyGroupLayout;
        public Text KeyLabel;
        public ButtonRef KeyInspectButton;
        public InputField KeyInputField;
        public Text KeyInputTypeLabel;

        public static Color EvenColor = new Color(0.07f, 0.07f, 0.07f);
        public static Color OddColor = new Color(0.063f, 0.063f, 0.063f);

        public int HalfWidth => (int)(0.5f * Rect.rect.width);
        public int AdjustedKeyWidth => HalfWidth - 50;

        private void KeyInspectClicked()
        {
            InspectorManager.Inspect((Occupant as CacheKeyValuePair).DictKey, this.Occupant);
        }

        public override GameObject CreateContent(GameObject parent)
        {
            var root = base.CreateContent(parent);

            Image = root.AddComponent<Image>();

            this.NameLayout.minWidth = 40;
            this.NameLayout.flexibleWidth = 50;
            this.NameLayout.minHeight = 30;
            this.NameLabel.alignment = TextAnchor.MiddleRight;

            this.RightGroupLayout.minWidth = HalfWidth;

            // Key area
            var keyGroup = UIFactory.CreateUIObject("KeyHolder", root.transform.Find("HoriGroup").gameObject);
            UIFactory.SetLayoutGroup<HorizontalLayoutGroup>(keyGroup, false, false, true, true, 2, 0, 0, 4, 4, childAlignment: TextAnchor.MiddleLeft);
            UIFactory.SetLayoutElement(keyGroup, minHeight: 30, minWidth: AdjustedKeyWidth, flexibleWidth: 0);
            KeyGroupLayout = keyGroup.GetComponent<LayoutElement>();

            // set to be after the NameLabel (our index label), and before the main horizontal group.
            keyGroup.transform.SetSiblingIndex(1);

            // key Inspect

            KeyInspectButton = UIFactory.CreateButton(keyGroup, "KeyInspectButton", "Inspect", new Color(0.15f, 0.15f, 0.15f));
            UIFactory.SetLayoutElement(KeyInspectButton.Button.gameObject, minWidth: 60, flexibleWidth: 0, minHeight: 25, flexibleHeight: 0);
            InspectButton.OnClick += KeyInspectClicked;

            // label

            KeyLabel = UIFactory.CreateLabel(keyGroup, "KeyLabel", "not set (key)", TextAnchor.MiddleLeft);
            UIFactory.SetLayoutElement(KeyLabel.gameObject, minWidth: 50, flexibleWidth: 999, minHeight: 30);

            // Type label for input field

            KeyInputTypeLabel = UIFactory.CreateLabel(keyGroup, "InputTypeLabel", "not set", TextAnchor.MiddleLeft);
            UIFactory.SetLayoutElement(KeyInputTypeLabel.gameObject, minWidth: 55, flexibleWidth: 0, minHeight: 30);

            // input field

            var keyInputObj = UIFactory.CreateInputField(keyGroup, "KeyInput", "not set", out KeyInputField);
            UIFactory.SetLayoutElement(keyInputObj, minHeight: 30, flexibleHeight: 0, flexibleWidth: 200);
            //KeyInputField.lineType = InputField.LineType.MultiLineNewline;
            KeyInputField.readOnly = true;

            return root;
        }

        protected override void ConstructEvaluateHolder(GameObject parent)
        {
            // not used
        }

        //protected override void ConstructUpdateToggle(GameObject parent)
        //{
        //    // not used
        //}
    }
}