using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using DG.Tweening;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using System.Linq;
using UnityEngine.Networking;

public class ZX7Controller : MonoBehaviour
{
    /// <summary>
    /// 景点预设体
    /// </summary>
    public GameObject prePlace;
    /// <summary>
    /// 预设体所在父对象
    /// </summary>
    public Transform tranPlaceParent;
    /// <summary>
    /// 关闭按钮 
    /// </summary>
    public Button btnClose;
    /// <summary>
    /// 下一页按钮 
    /// </summary>
    public Button btnNext;
    /// <summary>
    /// 上一页按钮 
    /// </summary>
    public Button btnPriv;
    /// <summary>
    /// 返回按钮 
    /// </summary>
    public Button btnReturn;
    /// <summary>
    /// 城市标题
    /// </summary>
    public Text txtCity;
    /// <summary>
    /// 结果图片
    /// </summary>
    public Image imgDetail;
    /// <summary>
    /// 结果文本
    /// </summary>
    public Text txtDetail;
    /// <summary>
    /// 标题面板Image
    /// </summary>
    public Image imgPnlTitle;
    /// <summary>
    /// 标题图片Transform
    /// </summary>
    public Transform tranImgTitle;
    /// <summary>
    /// 数据文件名
    /// </summary>
    public string DataFileName = "CityPlaces.json";

    public Sprite spSelected;

    public Sprite spNormal;

    /// <summary>
    /// 选中的城市
    /// </summary>
    string selectedCity;

    /// <summary>
    /// 城市景点列表
    /// </summary>
    Dictionary<string, string> dicCityPlaces = new Dictionary<string, string>();

    string placeName;

    public Animator anim;

    int currentIndex;
    public RectTransform rectPlaceContent;

    public RectTransform rectDetailContent;

    string basePath;

    void Start()
    {
        basePath = CommonData.DataServer + "/ZX7/";

        StartCoroutine(JsonLoader.LoadJSON(basePath + "Data/" +  DataFileName, onGetCityPlacesInfoCompleted));

        if (btnClose != null)
            btnClose.onClick.AddListener(OnBtnCloseClick);
        if (btnPriv != null)
            btnPriv.onClick.AddListener(OnBtnPrivClick);
        if (btnNext != null)
            btnNext.onClick.AddListener(OnBtnNextClick);
        if (btnReturn != null)
            btnReturn.onClick.AddListener(OnBtnReturnClick);
    }

    private void OnBtnReturnClick()
    {
        currentIndex = 0;
        selectedCity = null;
        rectPlaceContent.anchoredPosition = Vector2.zero;
        anim.SetTrigger("HideCity");
    }

    private void OnBtnPrivClick()
    {
        if (currentIndex > 0)
        {
            currentIndex--;
            btnPriv.enabled = false;
            btnNext.enabled = false;

            rectPlaceContent.anchoredPosition += Vector2.down * 138f;
            Invoke("EnableButton", 0.2f);
            //Tween myTween = rectPlaceContent.DOAnchorPosY(rectPlaceContent.anchoredPosition.y - 138, 0.2f);
            //myTween.SetEase(Ease.OutQuint).onComplete = delegate
            //{
            //    btnPriv.enabled = true;
            //    btnNext.enabled = true;
            //};
        }
        else
        {
            btnPriv.GetComponent<Image>().color = Color.red;
            Invoke("ResetPrivButtonColor", 0.2f);

            //rectPlaceContent.DOShakePosition(1f, 2f);
        }
    }

    void EnableButton()
    {
        btnPriv.enabled = true;
        btnNext.enabled = true;
    }

    void ResetPrivButtonColor()
    {
        btnPriv.GetComponent<Image>().color = Color.white;
    }
    void ResetNextButtonColor()
    {
        btnNext.GetComponent<Image>().color = Color.white;
    }
    private void OnBtnNextClick()
    {
        if (currentIndex < rectPlaceContent.childCount - 1)
        {
            currentIndex++;
            btnPriv.enabled = false;
            btnNext.enabled = false;
            rectPlaceContent.anchoredPosition += Vector2.up * 138f;
            Invoke("EnableButton", 0.2f);

            //Tween myTween = rectPlaceContent.DOAnchorPosY(rectPlaceContent.anchoredPosition.y + 138, 0.2f);
            //myTween.SetEase(Ease.OutQuint).onComplete = delegate
            //{
            //    btnPriv.enabled = true;
            //    btnNext.enabled = true;
            //};
        }
        else
        {
            btnNext.GetComponent<Image>().color = Color.red;
            Invoke("ResetNextButtonColor", 0.2f);

            // rectPlaceContent.DOShakePosition(1f, 2f);
        }
    }

    private void OnBtnCloseClick()
    {
        BaseController.HideView();

        Destroy(gameObject.transform.parent.gameObject);
    }

    /// <summary>
    /// 获取姓名列表
    /// </summary>
    public void onGetCityPlacesInfoCompleted(string data)
    {
        dicCityPlaces = JsonTools.DicFromJson<string, string>(data);
        InitialCityList();

        #region
        //dicCityPlaces.Add("台北", "圆山文化遗址|红毛城|台北公会堂|台北府城|大坌坑文化遗址");
        //dicCityPlaces.Add("台东", "长滨文化遗址|卑南文化遗址");
        //dicCityPlaces.Add("台南", "热兰遮城|赤嵌城|台南孔子庙|二鯤鯓炮台|祀典武庙|五妃庙|大天后宫");
        //dicCityPlaces.Add("彰化", "彰化孔子庙|道东书院|鹿港龙山寺");
        //dicCityPlaces.Add("基隆", "二沙湾炮台");
        //dicCityPlaces.Add("新竹", "金广福公馆");
        //dicCityPlaces.Add("澎湖", "西屿东台|西屿西台|澎湖天后宫");
        //dicCityPlaces.Add("高雄", "凤山县旧城");
        //dicCityPlaces.Add("金门", "邱良功母节孝坊");

        //string data = JsonTools.DicToJson(dicCityPlaces);
        //StreamWriter writer = File.CreateText(DataFileName);
        //writer.Write(data);
        //writer.Close();
        #endregion
    }

    void InitialCityList()
    {
        //foreach (var item in dicCityPlaces.Keys)
        //{
        //GameObject obj = Instantiate(preName, tranNameParent);
        //obj.GetComponent<Button>().onClick.AddListener(OnBtnNameClick);
        //obj.GetComponentInChildren<Text>().text = item.Key;
        //obj.name = item.Key;
        //}
    }

    public void OnBtnCityClick()
    {
        // 获取当前点击的对象
        GameObject obj = EventSystem.current.currentSelectedGameObject;

        if (selectedCity != obj.name)
        {
            selectedCity = obj.name;
            txtCity.text = obj.name;

            // 移除旧的景点列表
            for (int i = 0; i < tranPlaceParent.childCount; i++)
            {
                Destroy(tranPlaceParent.GetChild(i).gameObject);
            }

            // 获取新的景点列表
            string place = dicCityPlaces[obj.name];
            lstPlaces = place.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries).ToList<string>();
            isNewCity = true;
            if (lstPlaces != null)
            {
                int count = lstPlaces.Count;

                ShowResult(lstPlaces[0]);

                for (int i = 0; i < count; i++)
                {
                    CreatePlace();
                    // Invoke("CreatePlace", 0.3f * i);
                }
                // OnBtnPlaceClick();
                Invoke("OnBtnPlaceClick", 0.1f);
            }

            anim.SetTrigger("ShowCity");
        }
    }
    List<string> lstPlaces;

    void CreatePlace()
    {
        GameObject objPlace = Instantiate(prePlace, tranPlaceParent);
        objPlace.name = lstPlaces[0];
        objPlace.GetComponentInChildren<Text>().text = lstPlaces[0];
        objPlace.GetComponent<Button>().onClick.AddListener(OnBtnPlaceClick);
        lstPlaces.RemoveAt(0);
    }

    GameObject objSelected;
    bool isNewCity;

    public void OnBtnPlaceClick()
    {
        GameObject obj = EventSystem.current.currentSelectedGameObject;

        if (isNewCity)
        {
            obj = tranPlaceParent.GetChild(0).gameObject;
        }

        isNewCity = false;

        if (objSelected != null)
        {
            objSelected.GetComponent<Image>().sprite = spNormal;
        }

        obj.GetComponent<Image>().sprite = spSelected;

        objSelected = obj;

        rectDetailContent.anchoredPosition = Vector2.zero;

        ShowResult(obj.name);
    }

    /// <summary>
    /// 显示景点信息
    /// </summary>
    /// <param name="placeName">景点名称</param>
    public void ShowResult(string placeName)
    {
        txtCity.text = string.Format("{0}︻{1}︼", selectedCity, placeName);
        StartCoroutine(JsonLoader.LoadJSON(basePath + "Data/" + placeName +".txt", OnGetTextDetailsInfoCompleted));
        StartCoroutine(ImageLoader<Image>.LoadImage(basePath + "Images/" + placeName + ".jpg", imgDetail));
    }

    /// <summary>
    /// 获取文本信息结束
    /// </summary>
    void OnGetTextDetailsInfoCompleted(string data)
    {
        txtDetail.text = "\u3000\u3000" + data.Trim();
    }
}