import {AtType, ChatType, Group, RawMessage, SendArkElement, SendMessageElement} from "../../ntqqapi/types";
import {friends, getFriend, getGroup, getGroupMember, getUidByUin, selfInfo,} from "../../common/data";
import {
    OB11MessageCustomMusic,
    OB11MessageData,
    OB11MessageDataType,
    OB11MessageMixType,
    OB11MessageNode,
    OB11PostSendMsg
} from '../types';
import {NTQQApi, Peer} from "../../ntqqapi/ntcall";
import {SendMsgElementConstructor} from "../../ntqqapi/constructor";
import {uri2local} from "../utils";
import BaseAction from "./BaseAction";
import {ActionName, BaseCheckResult} from "./types";
import * as fs from "node:fs";
import {log, sleep} from "../../common/utils";
import {decodeCQCode} from "../cqcode";
import {dbUtil} from "../../common/db";
import {ALLOW_SEND_TEMP_MSG} from "../../common/config";
import {FileCache} from "../../common/types";

function checkSendMessage(sendMsgList: OB11MessageData[]) {
    function checkUri(uri: string): boolean {
        const pattern = /^(file:\/\/|http:\/\/|https:\/\/|base64:\/\/)/;
        return pattern.test(uri);
    }

    for (let msg of sendMsgList) {
        if (msg["type"] && msg["data"]) {
            let type = msg["type"];
            let data = msg["data"];
            if (type === "text" && !data["text"]) {
                return 400;
            } else if (["image", "voice", "record"].includes(type)) {
                if (!data["file"]) {
                    return 400;
                } else {
                    if (checkUri(data["file"])) {
                        return 200;
                    } else {
                        return 400;
                    }
                }

            } else if (type === "at" && !data["qq"]) {
                return 400;
            } else if (type === "reply" && !data["id"]) {
                return 400;
            }
        } else {
            return 400
        }
    }
    return 200;
}

export interface ReturnDataType {
    message_id: number
}

export class SendMsg extends BaseAction<OB11PostSendMsg, ReturnDataType> {
    actionName = ActionName.SendMsg

    protected async check(payload: OB11PostSendMsg): Promise<BaseCheckResult> {
        const messages = this.convertMessage2List(payload.message);
        const fmNum = this.getSpecialMsgNum(payload, OB11MessageDataType.node)
        if (fmNum && fmNum != messages.length) {
            return {
                valid: false,
                message: "转发消息不能和普通消息混在一起发送,转发需要保证message只有type为node的元素"
            }
        }
        if (payload.group_id && !(await getGroup(payload.group_id))) {
            return {
                valid: false,
                message: `群${payload.group_id}不存在`
            }
        }
        if (payload.user_id && payload.message_type !== "group") {
            if (!(await getFriend(payload.user_id))) {
                if (!ALLOW_SEND_TEMP_MSG) {
                    return {
                        valid: false,
                        message: `不能发送临时消息`
                    }
                }
            }
        }
        return {
            valid: true,
        }
    }

    protected async _handle(payload: OB11PostSendMsg) {
        const peer: Peer = {
            chatType: ChatType.friend,
            peerUid: ""
        }
        let isTempMsg = false;
        let group: Group | undefined = undefined;
        const genGroupPeer = async () => {
            group = await getGroup(payload.group_id.toString())
            peer.chatType = ChatType.group
            // peer.name = group.name
            peer.peerUid = group.groupCode
        }

        const genFriendPeer = () => {
            const friend = friends.find(f => f.uin == payload.user_id.toString())
            if (friend) {
                // peer.name = friend.nickName
                peer.peerUid = friend.uid
            } else {
                peer.chatType = ChatType.temp
                const tempUserUid = getUidByUin(payload.user_id.toString())
                if (!tempUserUid) {
                    throw (`找不到私聊对象${payload.user_id}`)
                }
                // peer.name = tempUser.nickName
                isTempMsg = true;
                peer.peerUid = tempUserUid;
            }
        }
        if (payload?.group_id && payload.message_type === "group") {
            await genGroupPeer()

        } else if (payload?.user_id) {
            genFriendPeer()
        } else if (payload.group_id) {
            await genGroupPeer()
        } else {
            throw ("发送消息参数错误, 请指定group_id或user_id")
        }
        const messages = this.convertMessage2List(payload.message);
        if (this.getSpecialMsgNum(payload, OB11MessageDataType.node)) {
            try {
                const returnMsg = await this.handleForwardNode(peer, messages as OB11MessageNode[], group)
                return {message_id: returnMsg.msgShortId}
            } catch (e) {
                throw ("发送转发消息失败 " + e.toString())
            }
        } else {
            if (this.getSpecialMsgNum(payload, OB11MessageDataType.music)) {
                const music: OB11MessageCustomMusic = messages[0] as OB11MessageCustomMusic
                if (music) {
                    const {url, audio, title, content, image} = music.data;
                    const selfPeer: Peer = {peerUid: selfInfo.uid, chatType: ChatType.friend}
                    // 搞不定！
                    // const musicMsg = await this.send(selfPeer, [this.genMusicElement(url, audio, title, content, image)], [], false)
                    // 转发
                    // const res = await NTQQApi.forwardMsg(selfPeer, peer, [musicMsg.msgId])
                    // log("转发音乐消息成功", res);
                    // return {message_id: musicMsg.msgShortId}
                }
            }
        }
        // log("send msg:", peer, sendElements)
        const {sendElements, deleteAfterSentFiles} = await this.createSendElements(messages, group)
        try {
            const returnMsg = await this.send(peer, sendElements, deleteAfterSentFiles)
            deleteAfterSentFiles.map(f => fs.unlink(f, () => {}));
            return {message_id: returnMsg.msgShortId}
        } catch (e) {
            log("发送消息失败", e.stack.toString())
            throw (e.toString())
        }
    }

    protected convertMessage2List(message: OB11MessageMixType) {
        if (typeof message === "string") {
            // message = [{
            //     type: OB11MessageDataType.text,
            //     data: {
            //         text: message
            //     }
            // }] as OB11MessageData[]
            message = decodeCQCode(message.toString())
        } else if (!Array.isArray(message)) {
            message = [message]
        }
        return message;
    }

    private getSpecialMsgNum(payload: OB11PostSendMsg, msgType: OB11MessageDataType): number {
        if (Array.isArray(payload.message)) {
            return payload.message.filter(msg => msg.type == msgType).length
        }
        return 0
    }

    // 返回一个合并转发的消息id
    private async handleForwardNode(destPeer: Peer, messageNodes: OB11MessageNode[], group: Group | undefined) {
        const selfPeer: Peer = {
            chatType: ChatType.friend,
            peerUid: selfInfo.uid
        }
        let selfNodeMsgList: RawMessage[] = []; // 自己给自己发的消息
        let originalNodeMsgList: RawMessage[] = [];
        let sendForwardElements: SendMessageElement[] = []
        for (const messageNode of messageNodes) {
            // 一个node表示一个人的消息
            let nodeId = messageNode.data.id;
            // 有nodeId表示一个子转发消息卡片
            if (nodeId) {
                let nodeMsg = await dbUtil.getMsgByShortId(parseInt(nodeId));
                if (nodeMsg) {
                    originalNodeMsgList.push(nodeMsg);
                }
            } else {
                // 自定义的消息
                // 提取消息段，发给自己生成消息id
                try {
                    const {
                        sendElements,
                        deleteAfterSentFiles
                    } = await this.createSendElements(this.convertMessage2List(messageNode.data.content), group);
                    log("开始生成转发节点", sendElements);
                    sendForwardElements.push(...sendElements);
                    const nodeMsg = await this.send(selfPeer, sendElements, deleteAfterSentFiles, true);
                    selfNodeMsgList.push(nodeMsg);
                    log("转发节点生成成功", nodeMsg.msgId);
                    await sleep(500);
                } catch (e) {
                    log("生效转发消息节点失败", e)
                }
            }
        }

        let nodeIds: string[] = []
        // 检查是否需要克隆直接引用消息id的节点
        let needSendSelf = false;
        if (sendForwardElements.length) {
            needSendSelf = true
        } else {
            needSendSelf = !originalNodeMsgList.every((msg, index) => msg.peerUid === originalNodeMsgList[0].peerUid && msg.recallTime.length < 2)
        }
        if (needSendSelf) {
            nodeIds = selfNodeMsgList.map(msg => msg.msgId);
            let sendElements: SendMessageElement[] = [];
            for (const originalNodeMsg of originalNodeMsgList) {
                if (originalNodeMsg.peerUid === selfInfo.uid && originalNodeMsg.recallTime.length < 2) {
                    nodeIds.push(originalNodeMsg.msgId)
                } else { // 需要进行克隆
                    Object.keys(originalNodeMsg.elements).forEach((eleKey) => {
                        if (eleKey !== "elementId") {
                            sendForwardElements.push(originalNodeMsg.elements[eleKey])
                            sendElements.push(originalNodeMsg.elements[eleKey])
                        }
                    })
                    try {
                        const nodeMsg = await NTQQApi.sendMsg(selfPeer, sendElements, true);
                        nodeIds.push(nodeMsg.msgId)
                        log("克隆转发消息到节点")
                    } catch (e) {
                        log("克隆转发消息失败", e)
                    }
                }
            }
        } else {
            nodeIds = originalNodeMsgList.map(msg => msg.msgId)
        }

        let srcPeer = selfPeer;
        if (!needSendSelf) {
            srcPeer = {
                chatType: originalNodeMsgList[0].chatType === ChatType.group ? ChatType.group : ChatType.friend,
                peerUid: originalNodeMsgList[0].peerUid
            }
        }
        // elements之间用换行符分隔
        // let _sendForwardElements: SendMessageElement[] = []
        // for(let i = 0; i < sendForwardElements.length; i++){
        //     _sendForwardElements.push(sendForwardElements[i])
        //     _sendForwardElements.push(SendMsgElementConstructor.text("\n\n"))
        // }
        // const nodeMsg = await NTQQApi.sendMsg(selfPeer, _sendForwardElements, true);
        // nodeIds.push(nodeMsg.msgId)
        // await sleep(500);
        // 开发转发
        try {
            return await NTQQApi.multiForwardMsg(srcPeer, destPeer, nodeIds)
        } catch (e) {
            log("forward failed", e)
            return null;
        }
    }

    private async createSendElements(messageData: OB11MessageData[], group: Group | undefined, ignoreTypes: OB11MessageDataType[] = []) {
        let sendElements: SendMessageElement[] = []
        let deleteAfterSentFiles: string[] = []
        for (let sendMsg of messageData) {
            if (ignoreTypes.includes(sendMsg.type)) {
                continue
            }
            switch (sendMsg.type) {
                case OB11MessageDataType.text: {
                    const text = sendMsg.data?.text;
                    if (text) {
                        sendElements.push(SendMsgElementConstructor.text(sendMsg.data!.text))
                    }
                }
                    break;
                case OB11MessageDataType.at: {
                    if (!group){
                        continue
                    }
                    let atQQ = sendMsg.data?.qq;
                    if (atQQ) {
                        atQQ = atQQ.toString()
                        if (atQQ === "all") {
                            sendElements.push(SendMsgElementConstructor.at(atQQ, atQQ, AtType.atAll, "全体成员"))
                        } else {
                            // const atMember = group?.members.find(m => m.uin == atQQ)
                            const atMember = await getGroupMember(group?.groupCode, atQQ);
                            if (atMember) {
                                sendElements.push(SendMsgElementConstructor.at(atQQ, atMember.uid, AtType.atUser, atMember.cardName || atMember.nick))
                            }
                        }
                    }
                }
                    break;
                case OB11MessageDataType.reply: {
                    let replyMsgId = sendMsg.data.id;
                    if (replyMsgId) {
                        const replyMsg = await dbUtil.getMsgByShortId(parseInt(replyMsgId))
                        if (replyMsg) {
                            sendElements.push(SendMsgElementConstructor.reply(replyMsg.msgSeq, replyMsg.msgId, replyMsg.senderUin, replyMsg.senderUin))
                        }
                    }
                }
                    break;
                case OB11MessageDataType.face: {
                    const faceId = sendMsg.data?.id
                    if (faceId) {
                        sendElements.push(SendMsgElementConstructor.face(parseInt(faceId)))
                    }
                }
                    break;

                case OB11MessageDataType.image:
                case OB11MessageDataType.file:
                case OB11MessageDataType.video:
                case OB11MessageDataType.voice: {
                    let file = sendMsg.data?.file
                    const payloadFileName = sendMsg.data?.name
                    if (file) {
                        const cache = await dbUtil.getFileCache(file)
                        if (cache){
                            if (fs.existsSync(cache.filePath)){
                                file = "file://" + cache.filePath
                            }
                            else if (cache.downloadFunc){
                                await cache.downloadFunc()
                                file = cache.filePath;
                                log("找到文件缓存", file);
                            }
                        }
                        const {path, isLocal, fileName, errMsg} = (await uri2local(file))
                        if (errMsg){
                            throw errMsg
                        }
                        if (path) {
                            if (!isLocal) { // 只删除http和base64转过来的文件
                                deleteAfterSentFiles.push(path)
                            }
                            const constructorMap = {
                                [OB11MessageDataType.image]: SendMsgElementConstructor.pic,
                                [OB11MessageDataType.voice]: SendMsgElementConstructor.ptt,
                                [OB11MessageDataType.video]: SendMsgElementConstructor.video,
                                [OB11MessageDataType.file]: SendMsgElementConstructor.file,
                            }
                            if (sendMsg.type === OB11MessageDataType.file) {
                                log("发送文件", path, payloadFileName || fileName)
                                sendElements.push(await SendMsgElementConstructor.file(path, payloadFileName || fileName));
                            } else if (sendMsg.type === OB11MessageDataType.video) {
                                log("发送视频", path, payloadFileName || fileName)
                                sendElements.push(await SendMsgElementConstructor.video(path, payloadFileName || fileName));
                            } else {
                                sendElements.push(await constructorMap[sendMsg.type](path));
                            }
                        }
                    }
                }
                    break;
            }

        }

        return {
            sendElements,
            deleteAfterSentFiles
        }
    }

    private async send(peer: Peer, sendElements: SendMessageElement[], deleteAfterSentFiles: string[], waitComplete = true) {
        if (!sendElements.length) {
            throw ("消息体无法解析")
        }
        const returnMsg = await NTQQApi.sendMsg(peer, sendElements, waitComplete, 20000);
        log("消息发送结果", returnMsg)
        returnMsg.msgShortId = await dbUtil.addMsg(returnMsg)
        deleteAfterSentFiles.map(f => fs.unlink(f, () => {
        }))
        return returnMsg
    }

    private genMusicElement(url: string, audio: string, title: string, content: string, image: string): SendArkElement {
        const musicJson = {
            app: 'com.tencent.structmsg',
            config: {
                ctime: 1709689928,
                forward: 1,
                token: '5c1e4905f926dd3a64a4bd3841460351',
                type: 'normal'
            },
            extra: {app_type: 1, appid: 100497308, uin: selfInfo.uin},
            meta: {
                news: {
                    action: '',
                    android_pkg_name: '',
                    app_type: 1,
                    appid: 100497308,
                    ctime: 1709689928,
                    desc: content || title,
                    jumpUrl: url,
                    musicUrl: audio,
                    preview: image,
                    source_icon: 'https://p.qpic.cn/qqconnect/0/app_100497308_1626060999/100?max-age=2592000&t=0',
                    source_url: '',
                    tag: 'QQ音乐',
                    title: title,
                    uin: selfInfo.uin,
                }
            },
            prompt: content || title,
            ver: '0.0.0.1',
            view: 'news'
        }

        return SendMsgElementConstructor.ark(musicJson)
    }
}

export default SendMsg