import axios from "axios";
import { randomUUID } from "crypto";
import { Channel } from "./Channel.js";
import { Client } from "./Client.js";
import { MatrixUser } from "./MatrixUser.js";
import { IRCMessage } from "./Message.js";
import { Server } from "./Server.js";

export class IRCUser {
    private clients: Set<Client>
    public channels: Set<Channel>
    public nick: string
    private ident: string
    private hostname: string
    public accountName: string
    public realname: string
    private txnIdStore: Map<string, Client>
    public nextBatch: string
    private initialSync: boolean
    private isSyncing: boolean
    private currentSyncTime: number
    private syncIntervalID: NodeJS.Timeout;
    constructor(public mxid: string, private accessToken: string, public homeserver: string, private server: Server) {
        this.clients = new Set();
        this.channels = new Set();
        const mxidSplit = mxid.split(':')
        this.nick = mxidSplit[0].substr(1);
        this.ident = this.nick;
        this.hostname = mxidSplit[1];
        this.accountName = mxid.slice(1);
        this.realname = this.accountName;
        this.txnIdStore = new Map();
        this.nextBatch = "";
        this.initialSync = false;
        this.isSyncing = false;
        this.currentSyncTime = 0;
        this.syncIntervalID = setInterval(this.doSync.bind(this), 2000);
    }

    isSynced() {
        return this.nextBatch !== "";
    }

    getVerification() {
        return axios.get(`https://${this.homeserver}/_matrix/client/v3/account/whoami?access_token=${this.accessToken}`, {
            validateStatus: function (status) {
                return status < 500;
            }
        });
    }

    getMask(): string {
        return `${this.nick}!${this.ident}@${this.hostname}`;
    }

    getClients(): Set<Client> {
        return this.clients;
    }

    addClient(client: Client, passedTags: Map<string, string>) {
        this.clients.add(client);
        if (this.nextBatch !== "") {
            for (const channel of this.channels.values()) {
                channel.joinNewIRCClient(client, passedTags);
            }
        }
    }

    doSync(): void {
        if (!this.isSynced()) {
            console.log("not syncing, initial sync not completed");
            return;
        }
        if (this.isSyncing) {
            if ((Date.now() - this.currentSyncTime) > 15000)
                console.log(`Sync is lagging, current sync has been running for ${Date.now() - this.currentSyncTime} milliseconds`);
            return;
        }
        this.currentSyncTime = Date.now();
        this.isSyncing = true;
        const endpoint = `https://${this.homeserver}/_matrix/client/v3/sync?access_token=${this.accessToken}&since=${this.nextBatch}&timeout=15000`;
        axios.get(endpoint).then(response => {
            const data = response.data;
            this.nextBatch = data.next_batch;
            const rooms = data.rooms;
            if (rooms && rooms['join']) {
                for (const roomId of Object.keys(rooms.join)) {
                    const targetChannel = this.server.getOrCreateIRCChannel(roomId);
                    rooms.join[roomId].timeline.events.forEach((nextEvent: any) => {
                        targetChannel.routeMatrixEvent(nextEvent)
                    });
                }
            }
            this.isSyncing = false;
        }).catch((error) => {
            console.log(error);
            if (error.response) {
                console.log(`Response error: ${error.response.status}`);
            } else if (error.request) {
                console.log(error.request);
                console.log(error.config);
            } else {
                console.log('Error', error.message);
                console.log(error.config);
            }
            this.isSyncing = false;
        });
    }

    inviteMatrixUser(client: Client, channel: Channel, target: MatrixUser, reason: string, passedTags: Map<string, string> = new Map()) {
        const data = {
            "reason": reason,
            "user_id": target.mxid
        }
        axios.post(`https://${this.homeserver}/_matrix/client/v3/rooms/${channel.roomId}/invite?access_token=${this.accessToken}`, data).catch(function (error) {
            if (error.response) {
                console.log(error.response.data);
            } else if (error.request) {
                console.log(error.request);
            } else {
                console.log('Error', error.message);
                console.log(error.config);
            }
        })
    }

    kickMatrixUser(client: Client, channel: Channel, target: string, reason: string, passedTags: Map<string, string> = new Map()) {
        const data = {
            "reason": reason,
            "user_id": target
        }
        axios.post(`https://${this.homeserver}/_matrix/client/v3/rooms/${channel.roomId}/kick?access_token=${this.accessToken}`, data).catch(function (error) {
            if (error.response) {
                console.log(error.response.data);
            } else if (error.request) {
                console.log(error.request);
            } else {
                console.log('Error', error.message);
                console.log(error.config);
            }
        })
    }

    partMatrixRoom(client: Client, channel: Channel, reason: string, passedTags: Map<string, string> = new Map()) {
        axios.post(`https://${this.homeserver}/_matrix/client/v3/rooms/${channel.roomId}/leave?access_token=${this.accessToken}`, {"reason": reason}).then(response => {
            if (response.status === 200) {
                this.clients.forEach(c => {
                    c.sendMessage(this.getMask(), "PART", [channel.name, reason], passedTags);
                })
                this.channels.delete(channel);
            }
            else {
                client.sendMessage(this.server.name, "NOTICE", [this.nick, JSON.stringify(response.data)], passedTags);
            }
        }).catch(function (error) {
            if (error.response) {
                console.log(error.response.data);
            } else if (error.request) {
                console.log(error.request);
            } else {
                console.log('Error', error.message);
                console.log(error.config);
            }
        })
    }

    changeRoomTopic(client: Client, channel: Channel, topic: string, passedTags: Map<string, string> = new Map()) {
        axios.put(`https://${this.homeserver}/_matrix/client/v3/rooms/${channel.roomId}/state/m.room.topic?access_token=${this.accessToken}`, {"topic": topic}).catch(function (error) {
            if (error.response) {
                console.log(error.response.data);
            } else if (error.request) {
                console.log(error.request);
            } else {
                console.log('Error', error.message);
                console.log(error.config);
            }
        })
    }

    sendMessageToMatrix(message: IRCMessage, client: Client) {
        const channel = this.server.ircChannels.get(message.params[0]);
        if (!channel) {
            return;
        }
        let msgtype = 'm.text';
        let msgbody = message.params[1];
        if (message.command === 'NOTICE')
            msgtype = 'm.notice';
        else if (message.params[1].startsWith('\x01')) {
            msgtype = 'm.emote';
            msgbody = msgbody.replace(/\x01(ACTION\s)?/gi, '');
        }
        const roomId = channel.roomId;
        const content = {
            "body": msgbody,
            "msgtype": msgtype,
            "m.relates_to": {}
        }
        if (message.tags.has("+draft/reply")) {
            content["m.relates_to"] = {
                "m.in_reply_to": {
                    "event_id": message.tags.get("+draft/reply")
                }
            }
        }
        const newTxnid = randomUUID();
        this.txnIdStore.set(newTxnid, client);
        axios.put(`https://${this.homeserver}/_matrix/client/v3/rooms/${channel.roomId}/send/m.room.message/${newTxnid}?access_token=${this.accessToken}`, content).catch(function (error) {
            if (error.response) {
                console.log(error.response.data);
            } else if (error.request) {
                console.log(error.request);
            } else {
                console.log('Error', error.message);
                console.log(error.config);
            }
        });
    }

    sendTagToMatrix(message: IRCMessage, client: Client) {
        const channel = this.server.ircChannels.get(message.params[0]);
        if (!channel) {
            return;
        }
        console.log(message.tags)
        if (message.tags.has("+draft/react") && message.tags.has("+draft/reply")) {
            const content = {
                "m.relates_to": {
                    "event_id": message.tags.get("+draft/reply"),
                    "key": message.tags.get("+draft/react"),
                    "rel_type": "m.annotation"
                }
            }
            const newTxnid = randomUUID();
            this.txnIdStore.set(newTxnid, client);
            axios.put(`https://${this.homeserver}/_matrix/client/v3/rooms/${channel.roomId}/send/m.reaction/${newTxnid}?access_token=${this.accessToken}`, content).catch(function (error) {
                if (error.response) {
                    console.log(error.response.data);
                } else if (error.request) {
                    console.log(error.request);
                } else {
                    console.log('Error', error.message);
                    console.log(error.config);
                }
            });
        }
    }

    sendToAll(prefix: string, command: string, params: string[], tags: Map<string, string> = new Map(), skipClient: Client|null = null) {
        this.clients.forEach(client => {
            if (client !== skipClient) {
                client.sendMessage(prefix, command, params, tags);
            }
        })
    }

    sendToAllWithCap(cap: string, prefix: string, command: string, params: string[], tags: Map<string, string> = new Map(), skipClient: Client|null = null) {
        this.clients.forEach(client => {
            if (client !== skipClient && client.enabledCaps.has(cap)) {
                client.sendMessage(prefix, command, params, tags);
            }
        })
    }

    sendToAllWithoutCap(cap: string, prefix: string, command: string, params: string[], tags: Map<string, string> = new Map(), skipClient: Client|null = null) {
        this.clients.forEach(client => {
            if (client !== skipClient && !client.enabledCaps.has(cap)) {
                client.sendMessage(prefix, command, params, tags);
            }
        })
    }
}