const {
    EmbedBuilder,
    ActionRowBuilder,
    ModalBuilder,
    TextInputBuilder,
} = require("@discordjs/builders");

const {
    PermissionsBitField,
} = require("discord.js");

const verificationModel = require("../models/verificationModel.js");
const suggestionModel = require("../models/suggestionModel.js");

const {formatResults} = require("../utils/formatResults.js");
const suggestionId = require("../commands/miscellaneous/suggestion.js");


// * From this point onward, the actual code of the event begins ...
module.exports = {
    name: 'interactionCreate',

    async execute(interaction, client) {
        
        if (interaction.isCommand()) {
            const command = client.commands.get(interaction.commandName);
            if (! command)
                return;

            try {
                await command.execute(interaction, client);
            } catch (error) {
                console.error(error);
            }
        }

        // From now on, check which interaction type it is and perform the written actions accordingly.
        if (interaction.isButton()) {
            switch (interaction.customId) {
                // Verification system
                case "primaryVerification": {
                    const data = await verificationModel.findOne({ guildId: interaction.guild.id });

                    if (interaction.member.roles.cache.has(interaction.guild.roles.cache.get(data.role).id))
                        return interaction.reply({
                            embeds: [
                                new EmbedBuilder().setColor(0xffa502).setAuthor({ name: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setDescription("Du hast den ersten Verifizierungsschritt bereits bestanden, daher kannst du ihn nicht erneut durchführen.").setFooter({ text: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setTimestamp()
                            ],
                            ephemeral: true
                        });

                    let numberOne = Math.floor(Math.random() * (10 - 1)) + 1;
                    let numberTwo = Math.floor(Math.random() * (20 - 10)) + 10;
                    
                    // Define a new modal and then add components to this model.
                    let modal = new ModalBuilder().setCustomId(`primaryVerificationModal,${numberOne},${numberTwo}`).setTitle("Verifizierung (1)");
                    modal.addComponents(new ActionRowBuilder().addComponents(new TextInputBuilder().setCustomId("input").setStyle(1).setLabel(`Was ist die Summe von ${numberOne} + ${numberTwo}?`).setPlaceholder("Bitte gib die Lösung in dieses Textfeld ein!").setMaxLength(2).setRequired()));

                    await interaction.showModal(modal);
                }
                break;

                // Suggestion system
                case "upvotes": {
                    const data = await suggestionModel.findOne({ guildId: interaction.guild.id, messageId: interaction.message.id });
                    
                    if (! data)
                        return;

                    const message = await interaction.channel.messages.fetch(data.messageId);
                    
                    if (data.upmembers.includes(interaction.user.id))
                        return await interaction.reply({
                            embeds: [
                                new EmbedBuilder().setColor(0xff4757).setAuthor({ name: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setDescription("Du hast bereits abgestimmt!").setFooter({ text: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setTimestamp()
                            ],
                            ephemeral: true
                        });
                    if (data.downmembers.includes(interaction.user.id)) {
                        let downvotes = data.downvotes;
                        downvotes -= 1;
                    }
                    if (data.downmembers.includes(interaction.user.id)) 
                        data.downvotes -= 1;
              
                    data.upmembers.push(interaction.user.id);
                    data.downmembers.pull(interaction.user.id);

                    const newEmbed = new EmbedBuilder().from(message.embeds[0]).setFields({name: `Upvotes`, value: `> **${data.upvotes + 1}** Votes`, inline: true}, { name: `Downvotes`, value: `> **${data.downvotes}** Votes`, inline: true}, { name: `Votes`, value: formatResults(data.upmembers, data.downmembers), inline: true}, {name: `Autor`, value: `> <@${data.messageAuthorId}>`, inline: false});

                    // Redefine all buttons for the component object.
                    // TODO <:upvote:1165259604368822292>, <:downvote:1165259500178120755>, <a:checked:1165259329532862544>, <a:rejected:1165259301183565905>
                    const buttonOne = new ActionRowBuilder().addComponents(
                        new ButtonBuilder().setCustomId('upvotes').setEmoji({name:'👍'}).setLabel("Upvote").setStyle(ButtonStyle.Primary),    
                        new ButtonBuilder().setCustomId('downvotes').setEmoji({name:'👎'}).setLabel("Downvote").setStyle(ButtonStyle.Primary)
                    );
                    const buttonTwo = new ActionRowBuilder().addComponents(new ButtonBuilder().setCustomId('votes').setEmoji({name:'💭'}).setLabel('Votes').setStyle(ButtonStyle.Secondary));
                    const buttonThree = new ActionRowBuilder().addComponents(
                        new ButtonBuilder().setCustomId('approve').setEmoji({name:'✅'}).setLabel('Akzeptieren').setStyle(ButtonStyle.Success),
                        new ButtonBuilder().setCustomId('reject').setEmoji({name:'❌'}).setLabel('Ablehnen').setStyle(ButtonStyle.Danger)
                    );

                    await interaction.update({ embeds: [newEmbed], components: [buttonOne, buttonTwo, buttonThree] });

                    data.upvotes++;
                    data.save();
                }
                case "downvotes": {
                    const data = await suggestionModel.findOne({ guildId: interaction.guild.id, messageId: interaction.message.id });
                    
                    if (! data)
                        return;

                    const message = await interaction.channel.messages.fetch(data.messageId);
                    
                    if (data.downmembers.includes(interaction.user.id))
                        return await interaction.reply({
                            embeds: [
                                new EmbedBuilder().setColor(0xff4757).setAuthor({ name: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setDescription("Du hast bereits abgestimmt!").setFooter({ text: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setTimestamp()
                            ],
                            ephemeral: true
                        });
                    if (data.upmembers.includes(interaction.user.id)) {
                        let upvotes = data.upvotes;
                        upvotes -= 1;
                    }
                    if (data.upmembers.includes(interaction.user.id)) 
                        data.upvotes -= 1;
              
                    data.downmembers.push(interaction.user.id);
                    data.upmembers.pull(interaction.user.id);

                    const newEmbed = new EmbedBuilder().from(message.embeds[0]).setFields({name: `Upvotes`, value: `> **${data.upvotes + 1}** Votes`, inline: true}, { name: `Downvotes`, value: `> **${data.downvotes}** Votes`, inline: true}, { name: `Votes`, value: formatResults(data.upmembers, data.downmembers), inline: true}, {name: `Autor`, value: `> <@${data.messageAuthorId}>`, inline: false});

                    // Redefine all buttons for the component object.
                    const buttonOne = new ActionRowBuilder().addComponents(
                        new ButtonBuilder().setCustomId('upvotes').setEmoji({name:'👍'}).setLabel("Upvote").setStyle(ButtonStyle.Primary),    
                        new ButtonBuilder().setCustomId('downvotes').setEmoji({name:'👎'}).setLabel("Downvote").setStyle(ButtonStyle.Primary)
                    );
                    const buttonTwo = new ActionRowBuilder().addComponents(new ButtonBuilder().setCustomId('votes').setEmoji({name:'💭'}).setLabel('Votes').setStyle(ButtonStyle.Secondary));
                    const buttonThree = new ActionRowBuilder().addComponents(
                        new ButtonBuilder().setCustomId('approve').setEmoji({name:'✅'}).setLabel('Akzeptieren').setStyle(ButtonStyle.Success),
                        new ButtonBuilder().setCustomId('reject').setEmoji({name:'❌'}).setLabel('Ablehnen').setStyle(ButtonStyle.Danger)
                    );

                    await interaction.update({ embeds: [newEmbed], components: [buttonOne, buttonTwo, buttonThree] });

                    data.downvotes++;
                    data.save();
                }
                case "votes": {
                    let upvoters = [];
                    await data.upmembers.forEach(async member => {
                        upvoters.push(`<@${member}>`);
                    });
                    let downvoters = [];
                    await data.downmembers.forEach(async member => {
                        downvoters.push(`<@${member}>`);
                    });

                    await interaction.reply({
                        embeds: [
                            new EmbedBuilder().setColor(0x4834d4).setAuthor({ name: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setDescription(`Up-/Downvotes von ${suggestionId}`).addFields({ name: 'Upvotes', value: `> ${upvoters.join(', ').slice(0, 1020) || "N/A"}`, inline: true }, { name: 'Downvotes', value: `> ${downvoters.join(', ').slice(0, 1020) || "N/A"}`, inline: true }).setFooter({ text: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setTimestamp()
                        ],
                        ephemeral: true
                    });
                }
                case "approve": {
                    const data = await suggestionModel.findOne({ guildId: interaction.guild.id, messageId: interaction.message.id });
                    
                    if (! data)
                        return;
                    const message = await interaction.channel.messages.fetch(data.messageId);
                    if (!interaction.member.permissions.has(PermissionsBitField.Flags.Administrator)) return;
                    const newEmbed = new EmbedBuilder().from(message.embeds[0]).setDescription('*<a:checked:1165259329532862544> Dein Vorschlag wurde angenommen!*');
                    await interaction.update({embeds: [newEmbed], components:[message.components[0]]});
                }
                case "reject": {
                    const data = await suggestionModel.findOne({ guildId: interaction.guild.id, messageId: interaction.message.id });
                    
                    if (! data)
                        return;
                    const message = await interaction.channel.messages.fetch(data.messageId);
                    if (!interaction.member.permissions.has(PermissionsBitField.Flags.Administrator)) return;
                    const newEmbed = new EmbedBuilder().from(message.embeds[0]).setDescription('*<a:rejected:1165259301183565905> Dein Vorschlag wurde abgelehnt!*');
                    await interaction.update({embeds: [newEmbed], components:[message.components[0]]});
                }
            }
        }
        if (interaction.isModalSubmit()) {
            if (interaction.customId?.startsWith("primaryVerificationModal")) {
                const data = await verificationModel.findOne({ guildId: interaction.guild.id });

                let answer = interaction.fields.getTextInputValue("input"); // Get the member's answer from the question and save it as "input".

                let numberOne = parseInt(interaction.customId.split(`,`)[1]); // Get the first number of the task ...
                let numberTwo = parseInt(interaction.customId.split(`,`)[2]); // Get the second number of the task ...

                if (answer == numberOne + numberTwo) {
                    await interaction.member.roles.add(interaction.guild.roles.cache.get(data.role)).catch(() => {});

                    return await interaction.reply({
                        embeds: [
                            new EmbedBuilder().setColor(0x2ed573).setAuthor({ name: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setDescription("Du hast den ersten Verifizierungsschritt erfolgreich bestanden!").setFooter({ text: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setTimestamp()
                        ],
                        ephemeral: true
                    });
                } else {
                    return await interaction.reply({
                        embeds: [
                            new EmbedBuilder().setColor(0xff4757).setAuthor({ name: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setDescription(`Die Antwort auf die Aufgabe »\`${numberOne} + ${numberTwo}\`«, die du gegeben hast, ist nicht richtig!`).addFields({ name: 'Antwort (<a:rejected:1165259301183565905>)', value: `${answer}`, inline: false }, { name: 'Lösung (<a:checked:1165259329532862544>)', value: `${numberOne + numberTwo}`, inline: false }).setFooter({ text: '→ Die Lehre der Väter ←', iconURL: client.user.displayAvatarURL({ dynamic: true, format: 'png' }) }).setTimestamp()
                        ],
                        ephemeral: true
                    });
                }
            }
        }

    },
};