const { DefaultError } = require("../errors/errors")
const banRepo = require("../repositories/banRepo")

async function banUser(userId, message, expiresAt) {
    const existingBan = await banRepo.isBanned(userId)
    if (existingBan) {
        throw new DefaultError(409, "Already has an active ban.", "Duplicate active ban.")
    }
    return await banRepo.banUser(userId, message, expiresAt)
}

async function unbanUser(banId) {
    const existingBan = await banRepo.isBanned(userId)
    if (!existingBan) {
        throw new DefaultError(404, "No active ban.", "No active ban found.")
    }
    return await banRepo.unbanUser(banId)
}


async function isUserBanned(userId) {
    const ban = await banRepo.isBanned(userId)
    if (!ban) {
        return false
    }

    if (new Date(ban.expiresAt) <= new Date()) {
        await banRepo.deactivate(ban.id)
        return false
    }
    return true
}

module.exports = {
    banUser,
    unbanUser,
    isUserBanned
}