const fs = require('fs');
const { MessageActionRow, MessageButton, MessageSelectMenu, MessageEmbed } = require('discord.js');

const admin = fs.readFileSync("./config/admin.txt");

const getResult = require('../modules/result');
const getEmbed = require('../modules/embed');
const getPixel = require("../modules/pixel");

const official = fs.readFileSync("./config/official.txt").toString().replace(/\r\n/g, "\n").split("\n");
const fpserver = fs.readFileSync("./config/fpserver.txt").toString().trim();

function bytesToPretty(bytes) {
    if (bytes > 1000) {
        if (bytes > 1000000) {
            return (bytes / 1000000).toFixed(2) + " MB";
        } else {
            return (bytes / 1000).toFixed(2) + " KB";
        }
    } else {
        return bytes + " B";
    }
}

function secondsToPretty(seconds) {
    if (seconds > 60) {
        if (seconds > 3600) {
            if (seconds > 216000) {
                return Math.floor(seconds / 216000) + " day" + (Math.floor(seconds / 216000) > 1 ? "s" : "");
            } else {
                return Math.floor(seconds / 3600) + " hour" + (Math.floor(seconds / 3600) > 1 ? "s" : "");
            }
        } else {
            return Math.floor(seconds / 60) + " minute" + (Math.floor(seconds / 60) > 1 ? "s" : "");
        }
    } else {
        return Math.floor(seconds) + " second" + (Math.floor(seconds) > 1 ? "s" : "");
    }
}

module.exports = async (interaction) => {
    if (interaction.commandName === 'stats') {
        let suffix = "";
        if (official.includes(interaction.guild.id)) {
            suffix = ".official-" + interaction.guild.id;
        } else {
            if (interaction.guild.id === fpserver) {
                suffix = ".francoponies-epk" + fs.readFileSync("./config/fpexperience.txt").toString();
            }
        }

        let size = 0;
        for (let file of fs.readdirSync("./data")) size += fs.readFileSync("./data/" + file).length;
        let sizep = bytesToPretty(size);

        let fields = [
            { name: l("Software version", "Version du logiciel"), value: "v" + fs.readFileSync("./config/version.txt") + "." + fs.readFileSync("./.git/refs/heads/trunk").toString().substr(0, 8) + suffix, inline: false },
            { name: l("Kernel version", "Version du noyau"), value: process.version, inline: true },
            { name: l("Experience channel", "Canal d'expériences"), value: channel, inline: true },
            { name: l("Known ponies", "Poneys connus"), value: Object.keys(JSON.parse(fs.readFileSync("./data/data.json").toString())).length.toString(), inline: true },
            { name: l("Awaiting issue reports", "Rapports de problèmes en attente"), value: fs.readdirSync("./reports").length.toString(), inline: true },
            { name: l("Database size", "Taille de la base de données"), value: sizep, inline: true },
            { name: l("Memory usage", "Utilisation de la mémoire"), value: bytesToPretty(process.memoryUsage().rss + process.memoryUsage().heapTotal + process.memoryUsage().external + process.memoryUsage().arrayBuffers), inline: true },
            { name: l("Uptime", "Durée de fonctionnement"), value: secondsToPretty(process.uptime()), inline: true },
        ];

        await interaction.reply({
            ephemeral: true,
            embeds: [
                new MessageEmbed()
                    .setColor('#d6dc28')
                    .setTitle(l("Bot stats", "Statistiques du robot", interaction.user.id, interaction.guild.id))
                    .setDescription(l("Ponyfind is a Discord bot that helps you get easy and fast access to data relative to My Little Pony (generations 4 and 5).", "Ponyfind est un robot Discord qui vous aide à obtenir un accès simple et rapide à des données relatives à My Little Pony (générations 4 et 5).", interaction.user.id, interaction.guild.id))
                    .addFields(fields)
                    .setFooter(l("made with ♥ by Minteck, a My Little Pony fan", "fait avec ♥ par Minteck, une fan de My Little Pony", interaction.user.id, interaction.guild.id))
                    .setThumbnail(client.user.avatarURL())
            ],
            components: [
                new MessageActionRow()
                    .addComponents(
                        new MessageButton()
                            .setURL(fs.readFileSync("./config/source.txt").toString())
                            .setLabel(l("Browse source code", "Explorer le code source", interaction.user.id, interaction.guild.id))
                            .setStyle("LINK"),
                        new MessageButton()
                            .setURL(fs.readFileSync("./config/invite.txt").toString())
                            .setLabel(l("Invite to your server", "Inviter sur votre serveur", interaction.user.id, interaction.guild.id))
                            .setStyle("LINK"),
                    )
            ]
        });
    }

    if (interaction.commandName === 'lang') {
        lang = interaction.options.getString('locale');
        if (lang === "fr") {
            langs[interaction.user.id] = "fr";
        } else {
            langs[interaction.user.id] = "en";
        }
        fs.writeFileSync("./user/userdata.json", JSON.stringify(langs, null, 4));
        if (typeof servers[interaction.guild.id] !== "undefined") {
            if (lang === "fr") {
                await interaction.reply({
                    ephemeral: true,
                    embeds: [
                        new MessageEmbed()
                            .setColor('#28dc46')
                            .setTitle(l("Language settings", "Paramètres de langue", interaction.user.id, interaction.guild.id))
                            .setDescription(l("Your preferred language is now **French**.\n\n> **Note:** This server enforces English for all users, your personal preferred language won't apply here.", "Votre langue principale est maintenant le **français**.\n\n> **Note :** Ce serveur oblige l'utilisation du français pour tous les utilisateurs, votre option de langue personelle ne s'appliquera pas ici.", interaction.user.id, interaction.guild.id))
                    ]
                });
            } else {
                await interaction.reply({
                    ephemeral: true,
                    embeds: [
                        new MessageEmbed()
                            .setColor('#28dc46')
                            .setTitle(l("Language settings", "Paramètres de langue", interaction.user.id, interaction.guild.id))
                            .setDescription(l("Your preferred language is now **English**.\n\n> **Note:** This server enforces English for all users, your personal preferred language won't apply here.", "Votre langue principale est maintenant le **anglais**.\n\n> **Note :** Ce serveur oblige l'utilisation du français pour tous les utilisateurs, votre option de langue personelle ne s'appliquera pas ici.", interaction.user.id, interaction.guild.id))
                    ]
                });
            }
        } else {
            await interaction.reply({
                ephemeral: true,
                embeds: [
                    new MessageEmbed()
                        .setColor('#28dc46')
                        .setTitle(l("Language settings", "Paramètres de langue", interaction.user.id, interaction.guild.id))
                        .setDescription(l("Your preferred language is now **English**.", "Votre langue principale est maintenant le **français**.", interaction.user.id, interaction.guild.id))
                ]
            });
        }
    }

    if (interaction.commandName === 'serverlang') {
        if (!interaction.guild.members.resolve(interaction.user).permissions.has("MANAGE_SERVER") || interaction.user.id === admin) {
            await interaction.reply({
                ephemeral: true,
                embeds: [
                    new MessageEmbed()
                        .setColor('#dc2828')
                        .setTitle(l("Permission denied", "Accès refusé", interaction.user.id, interaction.guild.id))
                        .setDescription(l("You don't have sufficient permission to run this command. You need to be a bot administrator, or have the **Manage Server** permission.", "Vous ne disposez pas de permissions suffisantes pour exécuter cette commande. Vous devez être administrateur(ice) de robot, ou avoir la permission **Gérer le serveur**.", interaction.user.id, interaction.guild.id))
                ]
            });
            return;
        }

        lang = interaction.options.getString('locale');
        if (lang === "fr") {
            servers[interaction.guild.id] = "fr";
        } else if (lang === "en") {
            servers[interaction.guild.id] = "en";
        } else {
            delete servers[interaction.guild.id];
        }
        fs.writeFileSync("./user/servers.json", JSON.stringify(servers, null, 4));
        if (lang === "en" || lang === "fr") {
            await interaction.reply({
                ephemeral: true,
                embeds: [
                    new MessageEmbed()
                        .setColor('#28dc46')
                        .setTitle(l("Server language settings", "Paramètres de langue du serveur", interaction.user.id, interaction.guild.id))
                        .setDescription(l("This server's enforced language is now **English**.", "La langue forcée sur ce serveur est maintenant le **français**.", interaction.user.id, interaction.guild.id))
                ]
            });
        } else {
            await interaction.reply({
                ephemeral: true,
                embeds: [
                    new MessageEmbed()
                        .setColor('#28dc46')
                        .setTitle(l("Server language settings", "Paramètres de langue du serveur", interaction.user.id, interaction.guild.id))
                        .setDescription(l("This server's enforced language is the user's prefered language.", "La langue forcée sur ce serveur est la langue de l'utilisateur.", interaction.user.id, interaction.guild.id))
                ]
            });
        }
    }

    if (interaction.commandName === 'pony') {
        query = interaction.options.getString('query');
        result = getResult(query);

        if (result.results.length > 0 && getEmbed(result.results[0], interaction.user.id, interaction.guild.id) !== false) {
            await interaction.reply({
                ephemeral: true,
                embeds: [
                    new MessageEmbed()
                        .setColor('#d6dc28')
                        .setTitle(l("Results for", "Résultats pour", interaction.user.id, interaction.guild.id) + " \"" + query + "\"")
                        .setDescription(l("Here are the 3 first results corresponding to your query.", "Voici les 3 premiers résultats correspondants à votre recherche.", interaction.user.id, interaction.guild.id))
                ],
                components: [
                    new MessageActionRow()
                        .addComponents(
                            new MessageButton()
                                .setCustomId("pony.display|" + result.first[0])
                                .setLabel(result.first[0])
                                .setStyle("PRIMARY"),
                            new MessageButton()
                                .setCustomId("pony.display|" + result.first[1])
                                .setLabel(result.first[1])
                                .setStyle("PRIMARY"),
                            new MessageButton()
                                .setCustomId("pony.display|" + result.first[2])
                                .setLabel(result.first[2])
                                .setStyle("PRIMARY"),
                            new MessageButton()
                                .setCustomId("result.report|" + query)
                                .setLabel(l("Report an issue", "Signaler un problème", interaction.user.id, interaction.guild.id))
                                .setStyle("DANGER")
                        )
                ]
            });
        } else {
            await interaction.reply({
                ephemeral: true,
                embeds: [
                    new MessageEmbed()
                        .setColor('#dc2828')
                        .setTitle(l("Results for", "Résultats pour", interaction.user.id, interaction.guild.id) + " \"" + query + "\"")
                        .setDescription(l("No results found. Please try with other keywords.", "Aucun résultat trouvé. Essayez avec d'autres mots clés.", interaction.user.id, interaction.guild.id))
                ],
                components: [
                    new MessageActionRow()
                        .addComponents(
                            new MessageButton()
                                .setCustomId("result.suggest|" + query)
                                .setLabel(l("Suggest a missing pony", "Proposer un poney manquant", interaction.user.id, interaction.guild.id))
                                .setStyle("SECONDARY"),
                            new MessageButton()
                                .setCustomId("result.report|" + query)
                                .setLabel(l("Report an issue", "Signaler un problème", interaction.user.id, interaction.guild.id))
                                .setStyle("DANGER")
                        )
                ]
            });
        }
    }
}