package message

import (
	"encoding/xml"
)

// MsgType 基本消息类型
type MsgType string

// EventType 事件类型
type EventType string

// InfoType 第三方平台授权事件类型
type InfoType string

const (
	//MsgTypeText 表示文本消息
	MsgTypeText MsgType = "text"
	//MsgTypeImage 表示图片消息
	MsgTypeImage = "image"
	//MsgTypeVoice 表示语音消息
	MsgTypeVoice = "voice"
	//MsgTypeVideo 表示视频消息
	MsgTypeVideo = "video"
	//MsgTypeShortVideo 表示短视频消息[限接收]
	MsgTypeShortVideo = "shortvideo"
	//MsgTypeLocation 表示坐标消息[限接收]
	MsgTypeLocation = "location"
	//MsgTypeLink 表示链接消息[限接收]
	MsgTypeLink = "link"
	//MsgTypeMusic 表示音乐消息[限回复]
	MsgTypeMusic = "music"
	//MsgTypeNews 表示图文消息[限回复]
	MsgTypeNews = "news"
	//MsgTypeTransfer 表示消息消息转发到客服
	MsgTypeTransfer = "transfer_customer_service"
	//MsgTypeEvent 表示事件推送消息
	MsgTypeEvent    = "event"
	MsgTypeChannels = "channels"
)

const (
	//EventSubscribe 订阅
	EventSubscribe EventType = "subscribe"
	//EventUnsubscribe 取消订阅
	EventUnsubscribe = "unsubscribe"
	//EventScan 用户已经关注公众号，则微信会将带场景值扫描事件推送给开发者
	EventScan = "SCAN"
	//EventLocation 上报地理位置事件
	EventLocation = "LOCATION"
	//EventClick 点击菜单拉取消息时的事件推送
	EventClick = "CLICK"
	//EventView 点击菜单跳转链接时的事件推送
	EventView = "VIEW"
	//EventScancodePush 扫码推事件的事件推送
	EventScancodePush = "scancode_push"
	//EventScancodeWaitmsg 扫码推事件且弹出“消息接收中”提示框的事件推送
	EventScancodeWaitmsg = "scancode_waitmsg"
	//EventPicSysphoto 弹出系统拍照发图的事件推送
	EventPicSysphoto = "pic_sysphoto"
	//EventPicPhotoOrAlbum 弹出拍照或者相册发图的事件推送
	EventPicPhotoOrAlbum = "pic_photo_or_album"
	//EventPicWeixin 弹出微信相册发图器的事件推送
	EventPicWeixin = "pic_weixin"
	//EventLocationSelect 弹出地理位置选择器的事件推送
	EventLocationSelect = "location_select"
	//EventTemplateSendJobFinish 发送模板消息推送通知
	EventTemplateSendJobFinish = "TEMPLATESENDJOBFINISH"
	//EventWxaMediaCheck 异步校验图片/音频是否含有违法违规内容推送事件
	EventWxaMediaCheck = "wxa_media_check"
)

const (
	// InfoTypeVerifyTicket 返回ticket
	InfoTypeVerifyTicket InfoType = "component_verify_ticket"
	// InfoTypeAuthorized 授权
	InfoTypeAuthorized = "authorized"
	// InfoTypeUnauthorized 取消授权
	InfoTypeUnauthorized = "unauthorized"
	// InfoTypeUpdateAuthorized 更新授权
	InfoTypeUpdateAuthorized = "updateauthorized"
)

// MixMessage 存放所有微信发送过来的消息和事件
type MixMessage struct {
	CommonToken

	//基本消息
	MsgID        int64   `xml:"MsgId"`
	Content      string  `xml:"Content"`
	Recognition  string  `xml:"Recognition"`
	PicURL       string  `xml:"PicUrl"`
	MediaID      string  `xml:"MediaId"`
	Format       string  `xml:"Format"`
	ThumbMediaID string  `xml:"ThumbMediaId"`
	LocationX    float64 `xml:"Location_X"`
	LocationY    float64 `xml:"Location_Y"`
	Scale        float64 `xml:"Scale"`
	Label        string  `xml:"Label"`
	Title        string  `xml:"Title"`
	Description  string  `xml:"Description"`
	URL          string  `xml:"Url"`

	//事件相关
	Event       EventType `xml:"Event"`
	EventKey    string    `xml:"EventKey"`
	Ticket      string    `xml:"Ticket"`
	Latitude    string    `xml:"Latitude"`
	Longitude   string    `xml:"Longitude"`
	Precision   string    `xml:"Precision"`
	MenuID      string    `xml:"MenuId"`
	Status      string    `xml:"Status"`
	SessionFrom string    `xml:"SessionFrom"`

	ScanCodeInfo struct {
		ScanType   string `xml:"ScanType"`
		ScanResult string `xml:"ScanResult"`
	} `xml:"ScanCodeInfo"`

	// 企业微信客服相关
	OpenKfId string `xml:"OpenKfId"`
	Token    string `xml:"Token"`

	// 企业微信审核相关
	ApprovalInfo struct {
		SpNo       string `xml:"SpNo"`
		SpName     string `xml:"SpName"`
		SpStatus   int    `xml:"SpStatus"`
		TemplateId string `xml:"TemplateId"`
		ApplyTime  int64  `xml:"ApplyTime"`
		Applyer    struct {
			UserId string `xml:"UserId"`
		} `xml:"Applyer"`
	} `xml:"ApprovalInfo"`

	SendPicsInfo struct {
		Count   int32      `xml:"Count"`
		PicList []EventPic `xml:"PicList>item"`
	} `xml:"SendPicsInfo"`

	SendLocationInfo struct {
		LocationX float64 `xml:"Location_X"`
		LocationY float64 `xml:"Location_Y"`
		Scale     float64 `xml:"Scale"`
		Label     string  `xml:"Label"`
		Poiname   string  `xml:"Poiname"`
	}

	// 第三方平台相关
	InfoType                     InfoType `xml:"InfoType"`
	AppID                        string   `xml:"AppId"`
	ComponentVerifyTicket        string   `xml:"ComponentVerifyTicket"`
	AuthorizerAppid              string   `xml:"AuthorizerAppid"`
	AuthorizationCode            string   `xml:"AuthorizationCode"`
	AuthorizationCodeExpiredTime int64    `xml:"AuthorizationCodeExpiredTime"`
	PreAuthCode                  string   `xml:"PreAuthCode"`

	// 卡券相关
	CardID              string `xml:"CardId"`
	RefuseReason        string `xml:"RefuseReason"`
	IsGiveByFriend      int32  `xml:"IsGiveByFriend"`
	FriendUserName      string `xml:"FriendUserName"`
	UserCardCode        string `xml:"UserCardCode"`
	OldUserCardCode     string `xml:"OldUserCardCode"`
	OuterStr            string `xml:"OuterStr"`
	IsRestoreMemberCard int32  `xml:"IsRestoreMemberCard"`
	UnionID             string `xml:"UnionId"`

	// 内容审核相关
	IsRisky       bool   `xml:"isrisky"`
	ExtraInfoJSON string `xml:"extra_info_json"`
	TraceID       string `xml:"trace_id"`
	StatusCode    int    `xml:"status_code"`
}

// EventPic 发图事件推送
type EventPic struct {
	PicMd5Sum string `xml:"PicMd5Sum"`
}

// EncryptedXMLMsg 安全模式下的消息体
type EncryptedXMLMsg struct {
	XMLName      struct{} `xml:"xml" json:"-"`
	ToUserName   string   `xml:"ToUserName" json:"ToUserName"`
	EncryptedMsg string   `xml:"Encrypt"    json:"Encrypt"`
}

// ResponseEncryptedXMLMsg 需要返回的消息体
type ResponseEncryptedXMLMsg struct {
	XMLName      struct{} `xml:"xml" json:"-"`
	EncryptedMsg string   `xml:"Encrypt"      json:"Encrypt"`
	MsgSignature string   `xml:"MsgSignature" json:"MsgSignature"`
	Timestamp    int64    `xml:"TimeStamp"    json:"TimeStamp"`
	Nonce        string   `xml:"Nonce"        json:"Nonce"`
}

// CDATA  使用该类型,在序列化为 xml 文本时文本会被解析器忽略
type CDATA string

// MarshalXML 实现自己的序列化方法
func (c CDATA) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	return e.EncodeElement(struct {
		string `xml:",cdata"`
	}{string(c)}, start)
}

// CommonToken 消息中通用的结构
type CommonToken struct {
	XMLName      xml.Name `xml:"xml"`
	ToUserName   CDATA    `xml:"ToUserName"`
	FromUserName CDATA    `xml:"FromUserName"`
	CreateTime   int64    `xml:"CreateTime"`
	MsgType      MsgType  `xml:"MsgType"`
}

// SetToUserName set ToUserName
func (msg *CommonToken) SetToUserName(toUserName CDATA) {
	msg.ToUserName = toUserName
}

// SetFromUserName set FromUserName
func (msg *CommonToken) SetFromUserName(fromUserName CDATA) {
	msg.FromUserName = fromUserName
}

// SetCreateTime set createTime
func (msg *CommonToken) SetCreateTime(createTime int64) {
	msg.CreateTime = createTime
}

// SetMsgType set MsgType
func (msg *CommonToken) SetMsgType(msgType MsgType) {
	msg.MsgType = msgType
}