using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;

namespace Shared.Phone.UserCenter
{
    /// <summary>
    /// 界面最基层的底层共通
    /// </summary>
    public class CommonFormBase : FrameLayout
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 画面的ID(自动编号,唯一主键,和各页面并无任何逻辑关系,但是它的用处大着呢)
        /// </summary>
        public string FormID = string.Empty;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 初始化界面框架
        /// </summary>
        public virtual void InitForm()
        {
            //将当前的画面保存到内存当中
            UserCenterLogic.AddActionForm(this);
            //Log出力
            HdlLogLogic.Current.WriteLog(1, this.FormID + " 界面打开");
        }

        /// <summary>
        /// 执行ShowForm()方法
        /// </summary>
        /// <param name="parameter">启动参数</param>
        public virtual void LoadShowFormMethod(params object[] parameter)
        {
            this.LoadFormMethodByName(this, "ShowForm", parameter);
        }

        #endregion

        #region ■ 添加界面___________________________

        /// <summary>
        /// 添加画面,启动参数由指定画面的ShowForm函数所指定
        /// </summary>
        /// <param name="parameter">启动参数：参数由指定画面的ShowForm函数所指定</param>
        public virtual void AddForm(params object[] parameter)
        {
            return;
        }

        /// <summary>
        /// 添加指定画面，并移除当前画面，启动参数由指定画面的ShowForm函数所指定
        /// </summary>
        /// <param name="form">目标界面</param>
        /// <param name="parameter">启动参数：参数由指定画面的ShowForm函数所指定</param>
        public void AddFromAndRemoveNowForm(CommonFormBase form, params object[] parameter)
        {
            //移除当前画面
            this.CloseForm();
            //添加画面
            form.AddForm(parameter);
        }

        #endregion

        #region ■ 关闭界面___________________________

        /// <summary>
        /// 画面关闭
        /// </summary>
        public virtual void CloseForm()
        {
            //Log出力
            HdlLogLogic.Current.WriteLog(1, this.FormID + " 界面关闭");

            //移除接受在线状态推送
            this.RemoveGatewayOnlinePush();
            //移除设备属性变更推送
            this.RemoveDeviceAttributePush();

            //关闭进度条
            this.CloseProgressBar();

            //调用的是Base的移除控件函数
            //而不是调用this的移除控件函
            base.RemoveFromParent();

            //从列表中移除(防止画面二重添加)
            UserCenterLogic.RemoveActionForm(this);
        }

        /// <summary>
        /// 画面关闭(在画面里面，请不要调用此方法，请使用CloseForm()方法)
        /// </summary>
        public override void RemoveFromParent()
        {
            //画面右滑时，关闭画面，调用自定义的CloseForm()方法
            this.CloseForm();
        }

        #endregion

        #region ■ 网关在线状态推送___________________

        /// <summary>
        /// 设置网关接受在线状态推送
        /// </summary>
        public void AddGatewayOnlinePush()
        {
            for (int i = 0; i < UserCenterResourse.listGatewayOnlinePushForm.Count; i++)
            {
                if (this.FormID == UserCenterResourse.listGatewayOnlinePushForm[i].FormID)
                {
                    //已经存在,则不再添加
                    return;
                }
            }
            UserCenterResourse.listGatewayOnlinePushForm.Add(this);
        }

        /// <summary>
        /// 移除网关接受在线状态推送
        /// </summary>
        private void RemoveGatewayOnlinePush()
        {
            UserCenterResourse.listGatewayOnlinePushForm.RemoveAll((obj) => { return obj.FormID == this.FormID; });
        }

        /// <summary>
        /// 网关在线状态变更推送(只有在变更的时候才会推送)
        /// </summary>
        /// <param name="gateWay">网关对象</param>
        /// <param name="online">在线状态变更后的状态</param>
        public virtual void GatewayOnlinePush(ZigBee.Device.ZbGateway gateWay, bool online)
        {
        }

        #endregion

        #region ■ 设备属性变更推送___________________

        /// <summary>
        /// 设置接受设备属性变更推送
        /// </summary>
        public void AddDeviceAttributePush()
        {
            for (int i = 0; i < UserCenterResourse.listDeviceAttributePushForm.Count; i++)
            {
                if (this.FormID == UserCenterResourse.listDeviceAttributePushForm[i].FormID)
                {
                    //已经存在,则不再添加
                    return;
                }
            }
            UserCenterResourse.listDeviceAttributePushForm.Add(this);
        }

        /// <summary>
        /// 移除设备属性变更推送
        /// </summary>
        private void RemoveDeviceAttributePush()
        {
            UserCenterResourse.listDeviceAttributePushForm.RemoveAll((obj) => { return obj.FormID == this.FormID; });
        }

        /// <summary>
        /// 设备属性变更推送(只有在变更的时候才会推送)
        /// </summary>
        /// <param name="device">设备对象</param>
        public virtual void DeviceAttributePush(ZigBee.Device.CommonDevice device)
        {
        }

        #endregion

        #region ■ 圆形进度条_________________________

        /// <summary>
        /// 进度条启动
        /// </summary>
        /// <param name="text">初始文本</param>
        public void ShowProgressBar(string text = "")
        {
            if (this.FormID != UserCenterResourse.NowActionFormID)
            {
                return;
            }
            ProgressBar.Show(text);
        }

        /// <summary>
        /// 设置进度条的信息值(会自动计算百分比,值累加模式)
        /// </summary>
        /// <param name="value">值</param>
        public void SetProgressValue(decimal value)
        {
            ProgressBar.SetValue(value);
        }

        /// <summary>
        /// 设置进度条的信息值
        /// </summary>
        /// <param name="value">值</param>
        public void SetProgressValue(string value)
        {
            ProgressBar.SetValue(value);
        }

        /// <summary>
        /// 设置进度条的信息值
        /// </summary>
        /// <param name="value">值</param>
        public void SetProgressMax(decimal value)
        {
            if (value == 0)
            {
                value = 100;
            }
            ProgressBar.SetMaxValue(value);
        }

        /// <summary>
        /// 关闭进度条
        /// </summary>
        /// <param name="mode">是否显示重新加载的界面</param>
        public void CloseProgressBar(ShowReLoadMode mode = ShowReLoadMode.NO)
        {
            ProgressBar.Close();
            if (mode == ShowReLoadMode.YES)
            {
                //显示重新加载的界面(主要是用在界面加载错误时，再次加载)
                this.ShowReLoadView();
            }
        }

        /// <summary>
        /// 显示重新加载的界面(主要是用在界面加载错误时，再次加载)
        /// </summary>
        public virtual void ShowReLoadView()
        {
        }

        #endregion

        #region ■ 一般的方法_________________________

        /// <summary>
        /// 显示信息框
        /// </summary>
        /// <param name="msgType">信息类型</param>
        /// <param name="msg">信息</param>
        /// <param name="action">单击确认后执行的回调函数</param>
        /// <param name="buttonText">按钮的文本</param>
        public void ShowMassage(ShowMsgType msgType, string msg, Action action = null, string buttonText = null)
        {
            //空对象时，不显示
            if (string.IsNullOrEmpty(msg))
            {
                return;
            }
            Application.RunOnMainThread(() =>
            {
                var alert = new ShowMsgControl(msgType, msg, buttonText);
                if (action != null)
                {
                    alert.ConfirmClickEvent += () =>
                    {
                        try
                        {
                            //回调函数
                            action?.Invoke();
                        }
                        catch (Exception ex)
                        {
                            //出现未知错误,数据丢失
                            this.ShowMassage(ShowMsgType.Error, Language.StringByID(R.MyInternationalizationString.uUnknownErrorAndDataLost));

                            //Log出力
                            HdlLogLogic.Current.WriteLog(ex);
                        }
                        action = null;
                    };
                }
                alert.Show();
            });
        }

        /// <summary>
        /// 判断当前正在活动的界面是否是当前这个界面
        /// </summary>
        /// <returns></returns>
        public bool NowFormIsAction()
        {
            return UserCenterResourse.NowActionFormID == this.FormID;
        }

        #endregion

        #region ■ 反射方法___________________________

        /// <summary>
        /// 关闭指定的画面
        /// </summary>
        /// <param name="formName">指定要关闭的画面英文名字</param>
        public void CloseFormByFormName(string formName)
        {
            if (UserCenterResourse.DicActionForm.ContainsKey(formName) == false)
            {
                return;
            }
            //关闭指定画面
            UserCenterResourse.DicActionForm[formName]?.CloseForm();
        }

        /// <summary>
        /// 执行指定画面的方法
        /// </summary>
        /// <param name="formName">指定画面的英文名</param>
        /// <param name="method">指定要加载的方法名</param>
        /// <param name="parameter">启动参数</param>
        public object LoadFormMethodByName(string formName, string method, params object[] parameter)
        {
            if (UserCenterResourse.DicActionForm.ContainsKey(formName) == false)
            {
                return null;
            }
            var form = UserCenterResourse.DicActionForm[formName];
            return this.LoadFormMethodByName(form, method, parameter);
        }

        /// <summary>
        /// 执行指定画面的方法(注意：这个是专门调用异步，并且等待异步完成的高科技函数,不调用异步的情况，别使用此函数)
        /// </summary>
        /// <param name="formName">指定画面的英文名</param>
        /// <param name="method">指定要加载的方法名</param>
        /// <param name="parameter">启动参数</param>
        public async Task<object> LoadFormMethodByNameAsync(string formName, string method, params object[] parameter)
        {
            if (UserCenterResourse.DicActionForm.ContainsKey(formName) == false)
            {
                return null;
            }
            var form = UserCenterResourse.DicActionForm[formName];
            var task = this.LoadFormMethodByName(form, method, parameter) as Task;
            await task;

            var result = task.GetType().GetProperty("Result").GetValue(task, null);
            return result;
        }

        /// <summary>
        /// 执行指定画面的方法
        /// </summary>
        /// <param name="form">指定画面的英文名</param>
        /// <param name="method">指定要加载的方法名</param>
        /// <param name="parameter">启动参数</param>
        public object LoadFormMethodByName(CommonFormBase form, string method, params object[] parameter)
        {
            try
            {
                if (form == null)
                {
                    return null;
                }
                return form.GetType().InvokeMember(method, System.Reflection.BindingFlags.InvokeMethod, null, form, parameter);
            }
            catch (Exception ex)
            {
                //出现未知错误,数据丢失
                this.ShowMassage(ShowMsgType.Error, Language.StringByID(R.MyInternationalizationString.uUnknownErrorAndDataLost));

                //Log出力
                HdlLogLogic.Current.WriteLog(ex);

                return null;
            }
        }

        /// <summary>
        /// 使用反射方法，打开指定的画面(只支持继承于UserCenterCommonForm的画面)
        /// </summary>
        /// <param name="fullName">画面的命名空间+画面的英文名</param>
        /// <param name="parameter">启动参数</param>
        public void LoadFormByFullName(string fullName, params object[] parameter)
        {
            System.Reflection.Assembly assembly = System.Reflection.Assembly.GetExecutingAssembly();
            var form = (CommonFormBase)assembly.CreateInstance(fullName);
            form.AddForm(parameter);
        }

        #endregion
    }
}