using System;
using System.Collections;
using System.Collections.Generic;
using Newtonsoft.Json;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
using UnityEngine.UIElements;


using ZXing;
using ZXing.QrCode;
//using UnityEngine.UI;
using Button = UnityEngine.UIElements.Button;
//using Image = UnityEngine.UIElements.Image;

/* 这个controller 是用于控制 Status UI菜单的
 * 包含显示狗的最新状态
 * 添加狗，把狗送给朋友，删除狗
 */
public class StatusController : MonoBehaviour
{
    private Button backButton, cancelButton;
    private Label nameLabel, genderLabel, breedLabel, hostLabel, hostnameLabel, ageLabel, ageValueLabel, commandLabel, commandValueLabel, statusLabel, statusValueLabel, resetVoice;
    private Label leftArrow, rightArrow;
    private Label addLabel, transfer, remove, callback;
    
    
    private float transferCountStartTime;
    DogProperty puppy;
    private VisualElement selectElement, statusElement, transferElement, QRcode;
    private StausUIPage currentPage = StausUIPage.Status;

    // 转移狗使用的变量
    private Label transferMsgLabel;
    private string transferMsgOrigin;
    private string transferCode;
    // Start is called before the first frame update
    void OnEnable()
    {
        var root = GetComponent<UIDocument>().rootVisualElement;
        // 状态相关的控件
        statusElement = root.Q<VisualElement>("statusUI");
        backButton = root.Q<Button>("back");
        nameLabel = root.Q<Label>("name");
        genderLabel = root.Q<Label>("gender");
        breedLabel = root.Q<Label>("breed");
        hostLabel = root.Q<Label>("host");
        hostnameLabel = root.Q<Label>("hostname");
        ageLabel = root.Q<Label>("age");
        ageValueLabel = root.Q<Label>("ageValue");
        commandLabel = root.Q<Label>("command");
        commandValueLabel = root.Q<Label>("commandValue");
        resetVoice = root.Q<Label>("resetVoice");
        statusLabel = root.Q<Label>("status");
        statusValueLabel = root.Q<Label>("statusValue");
        selectElement = root.Q("selectElement");
        leftArrow = root.Q<Label>("leftArrow");
        rightArrow = root.Q<Label>("rightArrow");
        addLabel = root.Q<Label>("add");
        transfer = root.Q<Label>("transfer");
        remove = root.Q<Label>("remove");
        callback = root.Q<Label>("callback");

        // 转移狗的相关控件
        transferMsgLabel = root.Q<Label>("transferMsg");
        QRcode = root.Q<VisualElement>("QRcode");
        cancelButton = root.Q<Button>("cancel");
        transferElement = root.Q<VisualElement>("transferElement");

        // 绑定事件
        backButton.clicked += BackBtnClick;
        cancelButton.clicked += CancelTransferBtnClick;
        leftArrow.RegisterCallback<ClickEvent>(e => LeftArrowClicked(e));
        rightArrow.RegisterCallback<ClickEvent>(e => RightArrowClicked(e));
        addLabel.RegisterCallback<ClickEvent>(e => AddClick(e));
        remove.RegisterCallback<ClickEvent>(e => RemoveClick(e));
        transfer.RegisterCallback<ClickEvent>(e => TransferClick(e));
        resetVoice.RegisterCallback<ClickEvent>(e => ResetVoiceClick(e));

        // 箭头是否显示
        if (UserProperty.dogs.Count > 1)
        {
            leftArrow.visible = true;
            rightArrow.visible = true;
        }
        else
        {
            leftArrow.visible = false;
            rightArrow.visible = false;
        }

        // 根据用户名下狗的数量判断是否显示transfer按键
        if (UserProperty.dogs.Count > 1)
        {
            transfer.style.display = DisplayStyle.Flex;
        }
        else
        {
            transfer.style.display = DisplayStyle.None;
        }

        // 如果用户狗的数量达到系统规定上限，则隐藏add按键
        if (UserProperty.dogs.Count >= EnviromentSetting.maxDogQty)
        {
            addLabel.style.display = DisplayStyle.None;
        }
        else
        {
            addLabel.style.display = DisplayStyle.Flex;
        }
    }

    //private void Start()
    //{

    //}

    // Update is called once per frame
    void Update()
    {
        // 刷新狗的数据
        // puppy = UserProperty.dogs[GameData.focusDog];
        // StatusPageUpdate();
        // LabelLanguageSetting();
        // StatusSummary();
        if (currentPage == StausUIPage.Transfer)
        {
            float ts = Time.time - transferCountStartTime;
            if (ts > 120f)
            {
                // todo 超过120秒，关闭二维码
                transferElement.style.display = DisplayStyle.None;
                statusElement.style.display = DisplayStyle.Flex;
                currentPage = StausUIPage.Status;
            }
            else
            {
                // todo 未超过120秒，保持二维码显示
                transferElement.style.display = DisplayStyle.Flex;
                statusElement.style.display = DisplayStyle.None;
                currentPage = StausUIPage.Transfer;
                string remainingTime = Mathf.RoundToInt(120 - ts).ToString();
                string transferMsg = transferMsgOrigin.Replace("<<second>>", remainingTime);
                transferMsgLabel.text = transferMsg;
            }
        }

        if (currentPage == StausUIPage.Status)
        {
            // 刷新狗的数据
            puppy = UserProperty.dogs[GameData.focusDog];
            StatusPageUpdate();
            LabelLanguageSetting();
            StatusSummary();
            CommandSummary();
        }
    }

    //void BackPressed()
    //{
    //    if (backButton != null)
    //    {
    //        var root = GetComponent<UIDocument>();
    //        Destroy(GameObject.Find(root.GetComponentInParent<Canvas>().name));
    //    }
    //}

    void StatusPageUpdate()
    {
        //backButton.clicked += BackPressed;
        nameLabel.text = puppy.dog_name;
        if (puppy.sex == 1)
        {
            genderLabel.text = "♂";
        }
        else
        {
            genderLabel.text = "♀";
        }
        breedLabel.text = puppy.breed;
        foreach (var breed in EnviromentSetting.dogBreeds)
        {
            if (breed.breed == puppy.breed)
            {
                breedLabel.text = breed.name[EnviromentSetting.languageCode];
                break;
            }
        }
        hostnameLabel.text = UserProperty.name;

        // 计算狗生日和现在时间差
        TimeSpan ts = System.DateTime.Now - puppy.birthday;
        ageValueLabel.text = ts.Days.ToString();

    }
    void LabelLanguageSetting()
    {
        // 设置status UI界面里面label和按键的语言显示
        string textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "button", "back", EnviromentSetting.languageCode });
        backButton.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "button", "cancel", EnviromentSetting.languageCode });
        cancelButton.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "label", "host", EnviromentSetting.languageCode });
        hostLabel.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "label", "days", EnviromentSetting.languageCode });
        ageLabel.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "label", "status", EnviromentSetting.languageCode });
        statusLabel.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "label", "command", EnviromentSetting.languageCode });
        commandLabel.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "label", "resetVoice", EnviromentSetting.languageCode });
        resetVoice.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "message", "scan_QRcode", EnviromentSetting.languageCode });
        transferMsgOrigin = textValue;
    }

    void CommandSummary()
    {
        // 先清空状态文字，应对切换多只狗
        commandValueLabel.text = null;
        // 汇总宠物状态
        string summary = String.Empty;
        if (puppy.commandSit)
        {
            summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "command", "Sit", EnviromentSetting.languageCode });
            summary += ", ";
        }
        if (puppy.commandStand)
        {
            summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "command", "Stand", EnviromentSetting.languageCode });
            summary += ", ";
        }
        if (puppy.commandBark)
        {
            summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "command", "Bark", EnviromentSetting.languageCode });
            summary += ", ";
        }
        if (puppy.commandShake)
        {
            summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "command", "Shake", EnviromentSetting.languageCode });
            summary += ", ";
        }
        if (puppy.commandLieDown)
        {
            summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "command", "LieDown", EnviromentSetting.languageCode });
            summary += ", ";
        }
        if (puppy.commandTouch)
        {
            summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "command", "Touch", EnviromentSetting.languageCode });
            summary += ", ";
        }
        if (puppy.commandDeath)
        {
            summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "command", "Death", EnviromentSetting.languageCode });
            summary += ", ";
        }
        if (puppy.commandTurnL)
        {
            summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "command", "TurnL", EnviromentSetting.languageCode });
            summary += ", ";
        }
        if (puppy.commandTurnR)
        {
            summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "command", "TurnR", EnviromentSetting.languageCode });
            summary += ", ";
        }
        if (summary == String.Empty)
        {
            summary = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "command", "none", EnviromentSetting.languageCode });
        }
        else
        {
            // 去掉最后一个逗号
            summary = summary.Substring(0, summary.Length - 2);
            commandValueLabel.text = summary;
        }
    }
    void StatusSummary()
    {
        // 先清空状态文字，应对切换多只狗
        statusValueLabel.text = null;
        // 汇总宠物状态
        string summary = "";
        if (puppy.satiety < 30)
        {
            if (puppy.satiety < 10)
            {
                // 小于10，达到L2警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "satiety_2", EnviromentSetting.languageCode });
            }
            else
            {
                // 不小于10，触发L1警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "satiety_1", EnviromentSetting.languageCode });

            }
            summary += "<br>";
        }
        if (puppy.stamina < 30)
        {
            if (puppy.stamina < 10)
            {
                // 小于10，达到L2警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "stamina_2", EnviromentSetting.languageCode });
            }
            else
            {
                // 不小于10，触发L1警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "stamina_1", EnviromentSetting.languageCode });

            }
            summary += "<br>";
        }
        if (puppy.thirsty < 30)
        {
            if (puppy.thirsty < 10)
            {
                // 小于10，达到L2警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "thirsty_2", EnviromentSetting.languageCode });
            }
            else
            {
                // 不小于10，触发L1警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "thirsty_1", EnviromentSetting.languageCode });

            }
            summary += "<br>";
        }
        if (puppy.healthy < 30)
        {
            if (puppy.healthy < 10)
            {
                // 小于10，达到L2警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "healthy_2", EnviromentSetting.languageCode });
            }
            else
            {
                // 不小于10，触发L1警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "healthy_1", EnviromentSetting.languageCode });

            }
            summary += "<br>";
        }
        if (puppy.clean < 30)
        {
            if (puppy.clean < 10)
            {
                // 小于10，达到L2警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "clean_2", EnviromentSetting.languageCode });
            }
            else
            {
                // 不小于10，触发L1警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "clean_1", EnviromentSetting.languageCode });

            }
            summary += "<br>";
        }
        if (puppy.obesity > 70)
        {
            if (puppy.obesity > 90)
            {
                // 小于10，达到L2警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "obesity_2", EnviromentSetting.languageCode });
            }
            else
            {
                // 不小于10，触发L1警告
                summary += GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "obesity_1", EnviromentSetting.languageCode });

            }
            summary += "<br>";
        }

        // 如果没有任何异常，返回正常的状态
        if (summary.Length == 0)
        {
            summary = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "statusUI", "status", "normal", EnviromentSetting.languageCode });
        }

        statusValueLabel.text = summary;
    }

    void RightArrowClicked(ClickEvent e)
    {
        GameData.focusDog++;
        if (GameData.focusDog == UserProperty.dogs.Count)
        {
            GameData.focusDog = 0;
        }
    }

    void LeftArrowClicked(ClickEvent e)
    {
        GameData.focusDog--;
        if (GameData.focusDog == -1)
        {
            GameData.focusDog = UserProperty.dogs.Count - 1;
        }
    }
    void ResetVoiceClick(ClickEvent e)
    {
        // todo 重置狗的语音训练数据提示
        string msg = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "game_message", "reset_voice_reminder", EnviromentSetting.languageCode });
        msg = msg.Replace("<<dog_name>>", UserProperty.dogs[GameData.focusDog].dog_name);
        MessageBoxController.YorN_Message(msg, ResetVoiceRequest);
    }
    void ResetVoiceRequest()
    {
        // todo 重置狗的声音提交
        string url = "/api/voice/reset/";
        Dictionary<string, string> formData = new();
        WWWForm form = new();
        form.AddField("user_id", UserProperty.userId);
        form.AddField("dog_id", UserProperty.GetDogIdByIndex(GameData.focusDog));
        form.AddField("type", "all");
        StartCoroutine(WebController.PostRequest(url, form, callback: ResetVoiceCallback));
    }

    void ResetVoiceCallback(string json)
    {
        // todo 重置狗的声音提交成功
        var data = JsonConvert.DeserializeObject<Dictionary<string, object>>(json);
        if (data != null && data["status"].ToString() == "success")
        {
            // 跳转login场景，重新登录
            MaskTransitions.TransitionManager.Instance.LoadLevel("Login");
        }
        else
        {
            Debug.Log(data["message"]);
        }
    }
    // 点击返回按钮
    void BackBtnClick()
    {
        var uiPlaceholder = GameObject.Find("UI Placeholder");
        if (uiPlaceholder != null)
        {
            var shoppingUI = uiPlaceholder.transform.Find("Status").gameObject;
            var vamUI = uiPlaceholder.transform.Find("VoiceAndMenu").gameObject;
            shoppingUI.SetActive(false);
            vamUI.SetActive(true);
        }
    }

    void CancelTransferBtnClick()
    {
        CancelTransferDogRequest();
        statusElement.style.display = DisplayStyle.Flex;
        transferElement.style.display = DisplayStyle.None;
        currentPage = StausUIPage.Status;
    }

    void AddClick(ClickEvent e)
    {
        // if (UserProperty.level == "basic")
        // {
        //     string msg = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "game_message", "add_dog_fail_account_level", EnviromentSetting.languageCode });
        //     MessageBoxController.ShowMessage(msg);
        // }
        if (UserProperty.dogs.Count >= EnviromentSetting.maxDogQty)
        {
            string msg = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "game_message", "add_dog_fail_no_more", EnviromentSetting.languageCode });
            MessageBoxController.ShowMessage(msg);
        }
        else
        {
            string msg = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "game_message", "add_dog_prompt", EnviromentSetting.languageCode });
            MessageBoxController.YorN_Message(msg, SwitchAddNewDog);
        }

    }

    // 跳转login 场景添加新的狗
    void SwitchAddNewDog()
    {
        GameData.subScene = "Login_InitDog";
        MaskTransitions.TransitionManager.Instance.LoadLevel("Login");
    }

    void RemoveClick(ClickEvent e)
    {
        string msg = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "game_message", "foster_dog_prompt", EnviromentSetting.languageCode });
        msg = msg.Replace("<<dog name>>", UserProperty.dogs[GameData.focusDog].dog_name);
        MessageBoxController.YorN_Message(msg, FosterDog);
    }

    // 点击确认remove后调用寄养的程序
    void FosterDog()
    {
        // 检测用户是否有200金币
        if (UserProperty.coin >= 200)
        {
            // todo 寄养某一只狗，并扣除金币
        }
    }

    // 找回寄养的狗
    void CallbackDogClick(ClickEvent e)
    {

    }

    void TransferClick(ClickEvent e)
    {
        // TODO 添加代码增加面对面赠送狗的功能
        string msg = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "game_message", "transfer_dog_prompt", EnviromentSetting.languageCode });
        msg = msg.Replace("<<dog name>>", UserProperty.dogs[GameData.focusDog].dog_name);
        MessageBoxController.YorN_Message(msg, TransferDogRequest);

    }

    void TransferDogRequest()
    {
        string url = "/api/transfer_dog/send/";
        Dictionary<string, string> formData = new();
        WWWForm form = new();
        form.AddField("user_id", UserProperty.userId);
        form.AddField("dog_id", UserProperty.GetDogIdByIndex(GameData.focusDog));
        StartCoroutine(WebController.PostRequest(url, form, callback: TransferDogCallback));
    }

    void TransferDogCallback(string json)
    {
        var data = JsonConvert.DeserializeObject<Dictionary<string, object>>(json);
        if (data != null && data["status"].ToString() == "success")
        {
            transferCountStartTime = Time.time;
            currentPage = StausUIPage.Transfer;
            transferCode = data["transfer_code"].ToString();
            transferCode = "ARdog://transfer/" + transferCode;
            Texture2D qrCodeTexture = GenerateQRCode(transferCode);
            QRcode.style.backgroundImage = new StyleBackground(qrCodeTexture);
        }
        else
        {
            Debug.Log(data["message"]);
        }
    }

    void CancelTransferDogRequest()
    {
        string url = "/api/transfer_dog/cancel/";
        Dictionary<string, string> formData = new();
        WWWForm form = new();
        form.AddField("user_id", UserProperty.userId);
        form.AddField("transfer_code", transferCode);
        StartCoroutine(WebController.PostRequest(url, form, callback: CancelTransferDogCallback));
    }

    void CancelTransferDogCallback(string json)
    {
        var data = JsonConvert.DeserializeObject<Dictionary<string, object>>(json);
        if (data != null && data["status"].ToString() == "success")
        {
            Debug.Log("取消转移成功");
        }
        else
        {
            Debug.Log(data["message"]);
        }
    }

    Texture2D GenerateQRCode(string text)
    {
        // 创建二维码编码器
        BarcodeWriter barcodeWriter = new BarcodeWriter
        {
            Format = BarcodeFormat.QR_CODE,
            Options = new QrCodeEncodingOptions
            {
                Width = 256,
                Height = 256
            }
        };

        // 生成二维码
        Color32[] color32 = barcodeWriter.Write(text);

        // 创建纹理并设置像素
        Texture2D qrCodeTexture = new Texture2D(256, 256);
        qrCodeTexture.SetPixels32(color32);
        qrCodeTexture.Apply();
        return qrCodeTexture;

        // 将纹理转换为Sprite
        // Sprite qrCodeSprite = Sprite.Create(qrCodeTexture, new Rect(0, 0, qrCodeTexture.width, qrCodeTexture.height), new Vector2(0.5f, 0.5f));
        // return qrCodeSprite;
    }
}

enum StausUIPage
{
    Status,
    Transfer,
}