/*----------------------------------------------------------------
    Copyright (C) 2015 Senparc
    
    文件名：CustomMessageHandler_Events.cs
    文件功能描述：自定义MessageHandler
    
    
    创建标识：Senparc - 20150312
----------------------------------------------------------------*/

using System;
using System.Diagnostics;
using System.Linq;
using System.Web;
using Senparc.Weixin.MP.Agent;
using Senparc.Weixin.Context;
using Senparc.Weixin.MP.Entities;
using Senparc.Weixin.MP.Helpers;
using Senparc.Weixin.MP.MessageHandlers;
using Senparc.Weixin.MP.Sample.CommonService.Utilities;

namespace Senparc.Weixin.MP.Sample.CommonService.CustomMessageHandler
{
    /// <summary>
    /// 自定义MessageHandler
    /// </summary>
    public partial class CustomMessageHandler
    {
        private string GetWelcomeInfo()
        {
            //获取Senparc.Weixin.MP.dll版本信息
            var fileVersionInfo = FileVersionInfo.GetVersionInfo(HttpContext.Current.Server.MapPath("~/bin/Senparc.Weixin.MP.dll"));
            var version = string.Format("{0}.{1}", fileVersionInfo.FileMajorPart, fileVersionInfo.FileMinorPart);
            return string.Format(
@"欢迎关注【Senparc.Weixin.MP 微信公众平台SDK】，当前运行版本：v{0}。
您可以发送【文字】【位置】【图片】【语音】等不同类型的信息，查看不同格式的回复。

您也可以直接点击菜单查看各种类型的回复。
还可以点击菜单体验微信支付。

SDK官方地址：http://weixin.senparc.com
源代码及Demo下载地址：https://github.com/JeffreySu/WeiXinMPSDK
Nuget地址：https://www.nuget.org/packages/Senparc.Weixin.MP

===============
更多有关第三方开放平台（Senparc.Weixin.Open）的内容，请回复文字：open
",
                version);
        }

        public override IResponseMessageBase OnTextOrEventRequest(RequestMessageText requestMessage)
        {
            // 预处理文字或事件类型请求。
            // 这个请求是一个比较特殊的请求，通常用于统一处理来自文字或菜单按钮的同一个执行逻辑，
            // 会在执行OnTextRequest或OnEventRequest之前触发，具有以下一些特征：
            // 1、如果返回null，则继续执行OnTextRequest或OnEventRequest
            // 2、如果返回不为null，则终止执行OnTextRequest或OnEventRequest，返回最终ResponseMessage
            // 3、如果是事件，则会将RequestMessageEvent自动转为RequestMessageText类型，其中RequestMessageText.Content就是RequestMessageEvent.EventKey

            if (requestMessage.Content == "OneClick")
            {
                var strongResponseMessage = CreateResponseMessage<ResponseMessageText>();
                strongResponseMessage.Content = "您点击了底部按钮。\r\n为了测试微信软件换行bug的应对措施，这里做了一个——\r\n换行";
                return strongResponseMessage;
            }
            return null;//返回null，则继续执行OnTextRequest或OnEventRequest
        }

        public override IResponseMessageBase OnEvent_ClickRequest(RequestMessageEvent_Click requestMessage)
        {
            IResponseMessageBase reponseMessage = null;
            //菜单点击，需要跟创建菜单时的Key匹配
            switch (requestMessage.EventKey)
            {
                case "OneClick":
                    {
                        //这个过程实际已经在OnTextOrEventRequest中完成，这里不会执行到。
                        var strongResponseMessage = CreateResponseMessage<ResponseMessageText>();
                        reponseMessage = strongResponseMessage;
                        strongResponseMessage.Content = "您点击了底部按钮。\r\n为了测试微信软件换行bug的应对措施，这里做了一个——\r\n换行";
                    }
                    break;
                case "SubClickRoot_Text":
                    {
                        var strongResponseMessage = CreateResponseMessage<ResponseMessageText>();
                        reponseMessage = strongResponseMessage;
                        strongResponseMessage.Content = "您点击了子菜单按钮。";
                    }
                    break;
                case "SubClickRoot_News":
                    {
                        var strongResponseMessage = CreateResponseMessage<ResponseMessageNews>();
                        reponseMessage = strongResponseMessage;
                        strongResponseMessage.Articles.Add(new Article()
                        {
                            Title = "您点击了子菜单图文按钮",
                            Description = "您点击了子菜单图文按钮，这是一条图文信息。",
                            PicUrl = "http://weixin.senparc.com/Images/qrcode.jpg",
                            Url = "http://weixin.senparc.com"
                        });
                    }
                    break;
                case "SubClickRoot_Music":
                    {
                        //上传缩略图
                        var accessToken = CommonAPIs.AccessTokenContainer.TryGetAccessToken(appId, appSecret);
                        var uploadResult = AdvancedAPIs.MediaApi.UploadTemporaryMedia(accessToken, UploadMediaFileType.thumb,
                                                                     Server.GetMapPath("~/Images/Logo.jpg"));
                        //设置音乐信息
                        var strongResponseMessage = CreateResponseMessage<ResponseMessageMusic>();
                        reponseMessage = strongResponseMessage;
                        strongResponseMessage.Music.Title = "天籁之音";
                        strongResponseMessage.Music.Description = "真的是天籁之音";
                        strongResponseMessage.Music.MusicUrl = "http://weixin.senparc.com/Content/music1.mp3";
                        strongResponseMessage.Music.HQMusicUrl = "http://weixin.senparc.com/Content/music1.mp3";
                        strongResponseMessage.Music.ThumbMediaId = uploadResult.thumb_media_id;
                    }
                    break;
                case "SubClickRoot_Image":
                    {
                        //上传图片
                        var accessToken = CommonAPIs.AccessTokenContainer.TryGetAccessToken(appId, appSecret);
                        var uploadResult = AdvancedAPIs.MediaApi.UploadTemporaryMedia(accessToken, UploadMediaFileType.image,
                                                                     Server.GetMapPath("~/Images/Logo.jpg"));
                        //设置图片信息
                        var strongResponseMessage = CreateResponseMessage<ResponseMessageImage>();
                        reponseMessage = strongResponseMessage;
                        strongResponseMessage.Image.MediaId = uploadResult.media_id;
                    }
                    break;
                case "SubClickRoot_Agent"://代理消息
                    {
                        //获取返回的XML
                        DateTime dt1 = DateTime.Now;
                        reponseMessage = MessageAgent.RequestResponseMessage(this, agentUrl, agentToken, RequestDocument.ToString());
                        //上面的方法也可以使用扩展方法：this.RequestResponseMessage(this,agentUrl, agentToken, RequestDocument.ToString());

                        DateTime dt2 = DateTime.Now;

                        if (reponseMessage is ResponseMessageNews)
                        {
                            (reponseMessage as ResponseMessageNews)
                                .Articles[0]
                                .Description += string.Format("\r\n\r\n代理过程总耗时：{0}毫秒", (dt2 - dt1).Milliseconds);
                        }
                    }
                    break;
                case "Member"://托管代理会员信息
                    {
                        //原始方法为：MessageAgent.RequestXml(this,agentUrl, agentToken, RequestDocument.ToString());//获取返回的XML
                        reponseMessage = this.RequestResponseMessage(agentUrl, agentToken, RequestDocument.ToString());
                    }
                    break;
                case "OAuth"://OAuth授权测试
                    {
                        var strongResponseMessage = CreateResponseMessage<ResponseMessageNews>();
                        strongResponseMessage.Articles.Add(new Article()
                        {
                            Title = "OAuth2.0测试",
                            Description = "点击【查看全文】进入授权页面。\r\n注意：此页面仅供测试（是专门的一个临时测试账号的授权，并非Senparc.Weixin.MP SDK官方账号，所以如果授权后出现错误页面数正常情况），测试号随时可能过期。请将此DEMO部署到您自己的服务器上，并使用自己的appid和secret。",
                            Url = "http://weixin.senparc.com/oauth2",
                            PicUrl = "http://weixin.senparc.com/Images/qrcode.jpg"
                        });
                        reponseMessage = strongResponseMessage;
                    }
                    break;
                case "Description":
                    {
                        var strongResponseMessage = CreateResponseMessage<ResponseMessageText>();
                        strongResponseMessage.Content = GetWelcomeInfo();
                        reponseMessage = strongResponseMessage;
                    }
                    break;
                case "SubClickRoot_PicPhotoOrAlbum":
                    {
                        var strongResponseMessage = CreateResponseMessage<ResponseMessageText>();
                        reponseMessage = strongResponseMessage;
                        strongResponseMessage.Content = "您点击了【微信拍照】按钮。系统将会弹出拍照或者相册发图。";
                    }
                    break;
                case "SubClickRoot_ScancodePush":
                    {
                        var strongResponseMessage = CreateResponseMessage<ResponseMessageText>();
                        reponseMessage = strongResponseMessage;
                        strongResponseMessage.Content = "您点击了【微信扫码】按钮。";
                    }
                    break;
                default:
                    {
                        var strongResponseMessage = CreateResponseMessage<ResponseMessageText>();
                        strongResponseMessage.Content = "您点击了按钮，EventKey：" + requestMessage.EventKey;
                        reponseMessage = strongResponseMessage;
                    }
                    break;
            }

            return reponseMessage;
        }

        public override IResponseMessageBase OnEvent_EnterRequest(RequestMessageEvent_Enter requestMessage)
        {
            var responseMessage = ResponseMessageBase.CreateFromRequestMessage<ResponseMessageText>(requestMessage);
            responseMessage.Content = "您刚才发送了ENTER事件请求。";
            return responseMessage;
        }

        public override IResponseMessageBase OnEvent_LocationRequest(RequestMessageEvent_Location requestMessage)
        {
            //这里是微信客户端（通过微信服务器）自动发送过来的位置信息
            var responseMessage = CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "这里写什么都无所谓，比如：上帝爱你！";
            return responseMessage;//这里也可以返回null（需要注意写日志时候null的问题）
        }

        public override IResponseMessageBase OnEvent_ScanRequest(RequestMessageEvent_Scan requestMessage)
        {
            //通过扫描关注
            var responseMessage = CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "通过扫描关注。";
            return responseMessage;
        }

        public override IResponseMessageBase OnEvent_ViewRequest(RequestMessageEvent_View requestMessage)
        {
            //说明：这条消息只作为接收，下面的responseMessage到达不了客户端，类似OnEvent_UnsubscribeRequest
            var responseMessage = CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "您点击了view按钮，将打开网页：" + requestMessage.EventKey;
            return responseMessage;
        }

        public override IResponseMessageBase OnEvent_MassSendJobFinishRequest(RequestMessageEvent_MassSendJobFinish requestMessage)
        {
            var responseMessage = CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "接收到了群发完成的信息。";
            return responseMessage;
        }

        /// <summary>
        /// 订阅（关注）事件
        /// </summary>
        /// <returns></returns>
        public override IResponseMessageBase OnEvent_SubscribeRequest(RequestMessageEvent_Subscribe requestMessage)
        {
            var responseMessage = ResponseMessageBase.CreateFromRequestMessage<ResponseMessageText>(requestMessage);
            responseMessage.Content = GetWelcomeInfo();
            if (!string.IsNullOrEmpty(requestMessage.EventKey))
            {
                responseMessage.Content += "\r\n============\r\n场景值："+ requestMessage.EventKey;
            }
            return responseMessage;
        }

        /// <summary>
        /// 退订
        /// 实际上用户无法收到非订阅账号的消息，所以这里可以随便写。
        /// unsubscribe事件的意义在于及时删除网站应用中已经记录的OpenID绑定，消除冗余数据。并且关注用户流失的情况。
        /// </summary>
        /// <returns></returns>
        public override IResponseMessageBase OnEvent_UnsubscribeRequest(RequestMessageEvent_Unsubscribe requestMessage)
        {
            var responseMessage = base.CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "有空再来";
            return responseMessage;
        }

        /// <summary>
        /// 事件之扫码推事件(scancode_push)
        /// </summary>
        /// <param name="requestMessage"></param>
        /// <returns></returns>
        public override IResponseMessageBase OnEvent_ScancodePushRequest(RequestMessageEvent_Scancode_Push requestMessage)
        {
            var responseMessage = base.CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "事件之扫码推事件";
            return responseMessage;
        }

        /// <summary>
        /// 事件之扫码推事件且弹出“消息接收中”提示框(scancode_waitmsg)
        /// </summary>
        /// <param name="requestMessage"></param>
        /// <returns></returns>
        public override IResponseMessageBase OnEvent_ScancodeWaitmsgRequest(RequestMessageEvent_Scancode_Waitmsg requestMessage)
        {
            var responseMessage = base.CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "事件之扫码推事件且弹出“消息接收中”提示框";
            return responseMessage;
        }

        /// <summary>
        /// 事件之弹出拍照或者相册发图（pic_photo_or_album）
        /// </summary>
        /// <param name="requestMessage"></param>
        /// <returns></returns>
        public override IResponseMessageBase OnEvent_PicPhotoOrAlbumRequest(RequestMessageEvent_Pic_Photo_Or_Album requestMessage)
        {
            var responseMessage = base.CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "事件之弹出拍照或者相册发图";
            return responseMessage;
        }

        /// <summary>
        /// 事件之弹出系统拍照发图(pic_sysphoto)
        /// 实际测试时发现微信并没有推送RequestMessageEvent_Pic_Sysphoto消息，只能接收到用户在微信中发送的图片消息。
        /// </summary>
        /// <param name="requestMessage"></param>
        /// <returns></returns>
        public override IResponseMessageBase OnEvent_PicSysphotoRequest(RequestMessageEvent_Pic_Sysphoto requestMessage)
        {
            var responseMessage = base.CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "事件之弹出系统拍照发图";
            return responseMessage;
        }

        /// <summary>
        /// 事件之弹出微信相册发图器(pic_weixin)
        /// </summary>
        /// <param name="requestMessage"></param>
        /// <returns></returns>
        public override IResponseMessageBase OnEvent_PicWeixinRequest(RequestMessageEvent_Pic_Weixin requestMessage)
        {
            var responseMessage = base.CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "事件之弹出微信相册发图器";
            return responseMessage;
        }

        /// <summary>
        /// 事件之弹出地理位置选择器（location_select）
        /// </summary>
        /// <param name="requestMessage"></param>
        /// <returns></returns>
        public override IResponseMessageBase OnEvent_LocationSelectRequest(RequestMessageEvent_Location_Select requestMessage)
        {
            var responseMessage = base.CreateResponseMessage<ResponseMessageText>();
            responseMessage.Content = "事件之弹出地理位置选择器";
            return responseMessage;
        }
    }
}