const Command = require("../../base/Command.js"),
	Discord = require("discord.js"),
	backup = require("discord-backup");

class Backup extends Command {
	constructor(client) {
		super(client, {
			name: "backup",
			dirname: __dirname,
			enabled: true,
			guildOnly: true,
			aliases: ["ba"],
			memberPermissions: ["MANAGE_GUILD"],
			botPermissions: ["SEND_MESSAGES", "EMBED_LINKS", "ADMINISTRATOR"],
			nsfw: false,
			ownerOnly: false,
			cooldown: 10000
		});
	}

	async run(message, args, data) {
		const status = args[0];
		if (!status) return message.error("administration/backup:MISSING_STATUS");

		if (status === "create") {
			const m = await message.sendT("misc:PLEASE_WAIT", null, {
				prefixEmoji: "loading"
			});
			backup.create(message.guild).then((backup) => {
				m.delete();
				message.success("administration/backup:SUCCESS_PUBLIC");
				message.author.send(message.translate("administration/backup:SUCCESS_PRIVATE", {
					backupID: backup.id
				})).catch(() => {
					backup.remove(backup.id);
					message.error("misc:CANNOT_DM");
				});
			}).catch((err) => {
				console.error(err);
				return message.error("misc:ERR_OCCURRED");
			});
		} else if (status === "load") {
			const backupID = args[1];
			if (!backupID) return message.error("administration/backup:MISSING_BACKUP_ID");

			backup.fetch(backupID).then(async () => {
				message.sendT("administration/backup:CONFIRMATION");
				await message.channel.awaitMessages(m => (m.author.id === message.author.id) && (m.content === "confirm"), {
					max: 1,
					time: 20000,
					errors: ["time"]
				}).catch(() => {
					// if the author of the commands does not confirm the backup loading
					return message.error("administration/backup:TIMES_UP");
				});
				// When the author of the command has confirmed that he wants to load the backup on his server
				message.author.send(message.translate("administration/backup:START_LOADING"));
				// Load the backup
				backup.load(backupID, message.guild).then(() => {
					// When the backup is loaded, delete them from the server
					backup.remove(backupID);
					message.author.send(message.translate("administration/backup:LOAD_SUCCESS"));
				}).catch((err) => {
					console.error(err);
					// If an error occurenced
					return message.error("misc:ERR_OCCURRED");
				});
			}).catch(() => {
				// if the backup wasn't found
				return message.error("administration/backup:NO_BACKUP_FOUND", {
					backupID
				});
			});
		} else if (status === "info") {
			const backupID = args[1];
			if (!backupID) return message.error("administration/backup:MISSING_BACKUP_ID");

			backup.fetch(backupID).then(async (backupInfos) => {
				const embed = new Discord.MessageEmbed()
					.setAuthor({
						name: message.translate("administration/backup:TITLE_INFO")
					})
					// Display the backup ID
					.addField(message.translate("administration/backup:TITLE_ID"), backupInfos.id, true)
					// Displays the server from which this backup comes
					.addField(message.translate("administration/backup:TITLE_SERVER_ID"), backupInfos.data.guildId, true)
					// Display the size (in mb) of the backup
					.addField(message.translate("administration/backup:TITLE_SIZE"), `${backupInfos.size}mb`, true)
					// Display when the backup was created
					.addField(message.translate("administration/backup:TITLE_CREATED_AT"), message.printDate(new Date(backupInfos.data.createdTimestamp)), true)
					.setColor(data.config.embed.color)
					.setFooter({
						text: data.config.embed.footer
					});
				message.channel.send({
					embeds: [embed]
				});
			}).catch((err) => {
				console.error(err);
				// if the backup wasn't found
				return message.error("administration/backup:NO_BACKUP_FOUND", {
					backupID
				});
			});
		} else if (status === "remove") {
			const backupID = args[1];
			if (!backupID) return message.error("administration/backup:MISSING_BACKUP_ID");

			backup.fetch(backupID).then(async () => {
				message.sendT("administration/backup:REMOVE_CONFIRMATION");
				await message.channel.awaitMessages(m => (m.author.id === message.author.id) && (m.content === "confirm"), {
					max: 1,
					time: 20000,
					errors: ["time"]
				}).catch(() => {
					// if the author of the commands does not confirm the backup loading
					return message.error("administration/backup:TIMES_UP");
				});

				backup.remove(backupID).then(async () => {
					message.success("administration/backup:SUCCESS_REMOVED");
				});
			}).catch(() => {
				// if the backup wasn't found
				return message.error("administration/backup:NO_BACKUP_FOUND", {
					backupID
				});
			});
		} else {
			return message.error("administration/backup:MISSING_STATUS");
		};
	}
};

module.exports = Backup;