const { names } from ";

function generateAttrs(options) {
    const attrs = {
        "size": 42,
        "envelope": {
            date: "2023-03-21T15:25:42.000Z",
            subject: options.subject ?? "subject" + randomString(10),
            from: options.from ?? null,
            sender: options.sender ?? null,
            replyTo: options.replyTo ?? null,
            to: options.to ?? null,
            cc: options.cc ?? null,
            bcc: options.bcc ?? null,
            inReplyTo: options.inReplyTo ?? null,
            messageId: options.messageId ?? randomString(10),
        },
        "date": options.date ?? new Date(),
        "flags": options.flags ?? [],
        "uid": options.uid ?? randomInt(3),
        "modseq": options.modseq ?? randomInt(7),
        "x-gm-labels": ["\\Inbox"],
        "x-gm-msgid": "1760991478422670209",
        "x-gm-thrid": "1760991478422670209",
    };
    return attrs;
}

function generateUsers(nb) {
    const users = [];
    for (let i = 0; i < nb; i++) {
        users.push({
            user: {
                name: "",
                mailbox: names[i],
                host: "provider.com",
            },
            id: i,
        });
    }
    return users;
}

function randomString(length) {
    let result = "";
    const characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
    const charactersLength = characters.length;
    for (let i = 0; i < length; i++) {
        result += characters.charAt(Math.floor(Math.random() * charactersLength));
    }
    return result;
}

function randomInt(length) {
    return (Math.random() * Math.pow(10, length)).toFixed();
}

module.exports = {
    generateAttrs,
    generateUsers,
};