using System.Collections;
using System.Linq;
using System.Collections.Generic;
using UnityEngine;
using Sirenix.OdinInspector;
using KairoEngine.Core;
using KairoEngine.Core.GameActions;

namespace KairoEngine.UI.GameActions
{
    [System.Serializable, HideReferenceObjectPicker]
    public class UiElementGameAction : GameActionBase
    {
        public enum DataType
        {
            String,
            Variable
        }

        public enum ActionType
        {
            Show,
            Hide
        }
        public override string name 
        { 
            get
            {
                return "Toogle UI element";
            }
        }

        public override GameActionsController controller { 
            get => _controller; 
            set 
            {
                _controller = value;
                typeName = "UiElementGameAction";
                className =  this.GetType().AssemblyQualifiedName;
                GetCompatibleVariablenames();
            }
        }
        public override string GetTypeName() => "UiElementGameAction";
        public override string GetActionName() => "UI/Toggle Ui Element";

        [FoldoutGroup("@name")] public ActionType actionType = ActionType.Show;
        [FoldoutGroup("@name")]  public DataType dataType = DataType.String;
        
        [FoldoutGroup("@name"), ShowIf("@dataType == DataType.String")]
        public string uiElementName = "UI Element Name";

        [FoldoutGroup("@name"), ShowIf("@dataType == DataType.Variable")]
        [ValueDropdown("possibleVariables", IsUniqueList = false)]
        public string uiElementVariable;

        private IEnumerable possibleVariables = new ValueDropdownList<string>();

        public UiElementGameAction(GameActionsController controller) : base(controller)
        {
            this.controller = controller;
            className =  this.GetType().AssemblyQualifiedName;
        }

        public override void Start()
        {
            string uiElement = "";
            if(dataType == DataType.String) uiElement = uiElementName;
            else uiElement = GetVariable(uiElementVariable);
            if(actionType == ActionType.Show) UiManager.ShowElement(uiElement);
            else UiManager.HideElement(uiElement);
            _done = true;
            _started = true;
        }

        public override void Update() { }

        public override void Restart()
        {
            _done = false;
            _started = false;
        }

        private void GetCompatibleVariablenames()
        {
            if(_controller == null) return;
            if(_controller.context == null) return;
            possibleVariables = _controller.context.variables
                .Where(x => x.GetTypeName() is "GameActionContextString")
                .Select(x => new ValueDropdownItem(x.name, x.name)); 
        }

        public static UiElementGameAction JSONToUiElementGameAction(string data)
        {
            return JsonUtility.FromJson<UiElementGameAction>(data);
        }

        private UiElementGameAction Duplicate(GameActionsController controller = null)
        {
            UiElementGameAction action = new UiElementGameAction(controller == null ? this.controller : controller);
            action.controller = controller;
            action.actionType = actionType;
            action.dataType = dataType;
            action.uiElementName = uiElementName;
            action.uiElementVariable = uiElementVariable;
            return action;
        }

        private string GetVariable(string title)
        {
            if(controller == null) return "";
            if(controller.context == null) return "";
            for (int i = 0; i < controller.context.variables.Count; i++)
            {
                if(controller.context.variables[i].name == title)
                {
                    string value = controller.context.variables[i].GetValue<string>("");
                    if(value != "") return value;
                }
            }
            return "";
        }

    }
}