class Database {
    constructor(URL) {
        this.URL = URL;
        this.GuildInfo = {};
        this.Client;
    }

    setGuildInfo(GuildID, Info) {
        this.GuildInfo[GuildID] = Info;
    }

    getGuilds(Callback) {
        let Options = {
            url: (`${this.URL}/guilds`),
            method: "GET",
            headers: {
                "cache-control": "no-cache",
                "x-apikey": process.env.APIKEY
            }
        };

        request(Options, (Error, Response, Body) => {
            Callback(JSON.parse(Body));
        })
    }

    getGuildPrefix(GuildID) {
        let Prefix = this.GuildInfo[GuildID].prefix || false;
        if (Prefix) {
            return Prefix
        }
        else {
            this.updateGuilds();
            return "--";
        }
    }

    getGuildDocumentID(GuildID) {
        return this.GuildInfo[GuildID].docid || false;
    }

    setGuildPrefix(GuildID, NewPrefix) {
        let DocumentID = this.getGuildDocumentID(GuildID);
        if (DocumentID) {
            let Options = {
                method: "PUT",
                url: (`${this.URL}/guilds/${DocumentID}`),
                headers: {
                    "cache-control": "no-cache",
                    "x-apikey": process.env.APIKEY,
                    "content-type": "application/json"
                },
                body: {prefix: NewPrefix || "--"},
                json: true
            }
            request(Options);
            this.updateGuilds();
        }
    }

    updateGuilds(UseClient) {
        this.getGuilds((Guilds) => {
            this.Client = UseClient || this.Client;

            Guilds.forEach((Guild) => {
                let Info = {
                    id: Guild.id,
                    name: Guild.name,
                    prefix: Guild.prefix,
                    docid: Guild._id
                }
                this.setGuildInfo(Guild.id, Info);
            });

            (UseClient || this.Client).guilds.cache.forEach((Guild) => {
                if (this.GuildInfo[Guild.id]) return;
                let Options = {
                    url: (`${this.URL}/guilds`),
                    method: "POST",
                    headers: {
                        "cache-control": "no-cache",
                        "x-apikey": process.env.APIKEY,
                        "content-type": "application/json"
                    },
                    body: Body,
                    json: true
                }
                request(Options, (Error, Response, Body) => {
                    let Info = {
                        id: Guild.id,
                        name: Guild.name,
                        prefix: "--",
                        docid: Body._id
                    }
                    this.setGuildInfo(Guild.id, Info);
                });
            });
        });
    }
}