using UnityEngine;
using UnityEngine.UI;
using XMLTool;
using TMPro;
using System.Collections.Generic;
using static OperationController;
namespace QFramework.Example
{
    public class UIOperationListData : UIPanelData
    {
    }
    public partial class UIOperationList : UIPanel
    {
        Operation op;
        List<Button> btns = new List<Button>();

        protected override void OnInit(IUIData uiData = null)
        {
            mData = uiData as UIOperationListData ?? new UIOperationListData();
            TypeEventSystem.Global.Register<OnOperationChanged>((arg) => Refresh()).UnRegisterWhenGameObjectDestroyed(gameObject);
            TypeEventSystem.Global.Register<OnModuleQuit>((arg) => Hide()).UnRegisterWhenGameObjectDestroyed(gameObject);
        }

        private void OnStepChanged(StepStatusOnChange change)
        {
            ResetBtnStatus(change.curIndex, change.status);
        }

        public void ResetBtnStatus(int index, OperationController.StepStatus status)
        {
            Button btn = btns[index];
            bool isParent = btn.transform.Find("StepLabel") == null;
            Color highColor = new Color(25f / 255f, 224f / 255f, 224f / 255f);
            if (isParent)
            {
                var name = btn.transform.Find("Name").GetComponent<TextMeshProUGUI>();
                var arrow = btn.transform.Find("Arrow").transform;
                Image highIcon = btn.transform.Find("HighIcon").GetComponent<Image>();
                switch (status)
                {
                    case StepStatus.NoStart:
                        name.color = Color.white;
                        highIcon.color = Color.white;
                        arrow.eulerAngles = new Vector3(0, 0, 90);
                        break;
                    case StepStatus.Start:
                    case StepStatus.Finished:
                        name.color = highColor;
                        highIcon.color = highColor;
                        arrow.eulerAngles = Vector3.zero;
                        break;
                }
            }
            else
            {
                var stepLabel = btn.transform.Find("StepLabel").GetComponent<TextMeshProUGUI>();
                switch (status)
                {
                    case StepStatus.NoStart:
                        stepLabel.color = Color.white;
                        break;
                    case StepStatus.Start:
                        stepLabel.color = highColor;
                        btn.transform.parent.gameObject.SetActive(true);
                        break;
                    case StepStatus.Finished:
                        // TODO：实现方式过于耦合 后期优化
                        if (Global.Instance.curModule.type == "Exam")
                        {
                            stepLabel.color = highColor;
                        }
                        else
                        {
                            stepLabel.color = Color.white;
                        }
                        break;
                }
            }
        }

        protected override void OnOpen(IUIData uiData = null)
        {
            TypeEventSystem.Global.Register<StepStatusOnChange>(OnStepChanged).UnRegisterWhenDisabled(this);
            Refresh();
        }

        public void Refresh()
        {
            btns.Clear();
            op = OperationController.Instance.operation;
            StepContent.RemoveAllChildren();
            foreach (var item in op.Steps)
            {

                if (item.SubSteps != null && item.SubSteps.Count > 0)
                {
                    GameObject obj = GameObject.Instantiate(Step.gameObject, StepContent);
                    Transform title = obj.transform.Find("Title");
                    var name = title.Find("Name").GetComponent<TextMeshProUGUI>();
                    name.text = item.Name;
                    Image highIcon = title.Find("HighIcon").GetComponent<Image>();
                    Color highColor = new Color(25f / 255f, 224f / 255f, 224f / 255f);
                    GameObject subContent = obj.transform.Find("SubContent").gameObject;
                    Button btn = title.GetComponent<Button>();
                    subContent.gameObject.SetActive(false);
                    btn.name = btns.Count.ToString();
                    btns.Add(btn);
                    btn.onClick.AddListener(() =>
                    {
                        subContent.SetActive(!subContent.activeSelf);
                        if (op.freeStep)
                        {
                            if (highIcon.color != highColor)
                            {
                                TypeEventSystem.Global.Send<StepExecute>(new StepExecute() { index = int.Parse(btn.name) });
                            }
                        }
                    });
                    foreach (var sub in item.SubSteps)
                    {
                        StepItemFactory(subContent.transform, sub.Name);
                    }
                }
                else
                {
                    StepItemFactory(StepContent, item.Name);
                }
            }
        }


        public void StepItemFactory(Transform content, string txt)
        {
            GameObject subObj = GameObject.Instantiate(SubStep.gameObject, content.transform);
            var stepLabel = subObj.transform.Find("StepLabel").GetComponent<TextMeshProUGUI>();
            stepLabel.text = txt;
            Button subBtn = subObj.GetComponent<Button>();
            subBtn.name = btns.Count.ToString();
            btns.Add(subBtn);
            subBtn.onClick.AddListener(() =>
            {
                if (op.freeStep)
                {
                    subBtn.transform.parent.gameObject.SetActive(true);
                    TypeEventSystem.Global.Send<StepExecute>(new StepExecute() { index = int.Parse(subBtn.name) });
                }
            });
        }

        protected override void OnShow()
        {
        }
        protected override void OnClose()
        {
        }
    }
}