using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UIElements;

/* 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;
    private Label nameLabel, genderLabel, breedLabel, hostLabel, hostnameLabel, ageLabel, ageValueLabel, statusLabel, statusValueLabel;
    private Label leftArrow, rightArrow;
    private Label addLabel, transfer, remove, callback;
    DogProperty puppy;
    private VisualElement selectElement;
    // Start is called before the first frame update
    void OnEnable()
    {
        var root = GetComponent<UIDocument>().rootVisualElement;
        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");
        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");

        // 绑定事件
        backButton.clicked += BackBtnClick;
        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));

        // 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();
    }

    //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.brithday;
        ageValueLabel.text = ts.Days.ToString();

        //根据狗的数量添加选择球
        //int puppyQty = UserProperty.dogs.Count;
        //VisualTreeAsset selectBall = Resources.Load<VisualTreeAsset>("Status/SelectBall");
        //// 这里将VisualTreeAsset转换成VisualElement类型
        //VisualElement uiDocument = selectBall.CloneTree();
        //VisualElement[] selectBalls = new VisualElement[puppyQty];
        //for (int i = 0; i<puppyQty; i++)
        //{
        //    selectBalls[i] = uiDocument;
        //    selectElement.Add(selectBalls[i]);
        //}
        // todo 设置selectBall颜色对应选择

    }
    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", "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;
    }
    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 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 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);
        }
        else 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";
        SceneManager.LoadScene("Home");
    }

    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
    }
}