const { query, queryMulti } = require("./helper");
const { ticket_settings } = require("../config");
const discordTranscripts = require("discord-html-transcripts");
const {
  EmbedBuilder,
  ButtonBuilder,
  ActionRowBuilder,
  ModalBuilder,
  TextInputBuilder
} = require('discord.js');

module.exports = async (client, db) => {
  client.on("interactionCreate", async interaction => {
    if (!interaction.customId) {
      return;
    }

    if (interaction.customId === "newTicket") {
      const [, ticketOptionId] = interaction.values[0].split("newTicket_");
      const ticketOption = await query(
          db,
          `SELECT * FROM options WHERE id='${ticketOptionId}' AND guildID='${interaction.guildId}'`
      );
      const questions = await queryMulti(
          db,
          `SELECT * FROM questions WHERE optionID='${ticketOptionId}' AND guildID='${interaction.guildId}'`
      );

      if (questions) {
        const modal = new ModalBuilder()
            .setTitle("Ticket Form")
            .setCustomId(`ticket_${ticketOptionId}`);

        questions.forEach((question, index) => {
          const textInput = new TextInputBuilder()
              .setLabel(question.question)
              .setStyle(question.answer_type)
              .setRequired(question.required)
              .setCustomId(`input_${question.id}`)
              .setPlaceholder(question.place_holder);

          const actionRow = new ActionRowBuilder().addComponents(textInput);
          modal.addComponents(actionRow);
        });

        return interaction.showModal(modal);
      } else {
        await interaction.deferReply({ ephemeral: true });

        const embed = new EmbedBuilder()
            .setTimestamp()
            .setColor(ticket_settings.embed_color)
            .setDescription(ticket_settings.ticket_message.replace("{user}", interaction.user))
            .setThumbnail(ticket_settings.ticket_thumbnail)
            .setAuthor({
              name: interaction.user.tag,
              iconURL: interaction.user.avatarURL()
            });

        const existingTicket = await query(
            db,
            `SELECT * FROM tickets WHERE status='open' AND userID='${interaction.user.id}' AND guildID='${interaction.guildId}'`
        );
        const existingChannel = client.channels.cache.get(existingTicket?.channelID);

        if (existingTicket && existingChannel) {
          return interaction.editReply({
            content: `You already have a ticket! Please check the ${existingChannel}`,
            ephemeral: true
          });
        }

        const settings = await query(db, `SELECT * FROM settings WHERE guildID='${interaction.guildId}'`);
        db.query(`UPDATE settings SET ticket_counter=ticket_counter+1 WHERE guildID='${interaction.guildId}'`);

        const permissions = [
          {
            id: interaction.guildId,
            deny: ["ViewChannel", "SendMessages"]
          },
          {
            id: interaction.member.id,
            allow: ["ViewChannel", "SendMessages"]
          },
          {
            id: client.user.id,
            allow: ["ViewChannel", "SendMessages"]
          },
          {
            id: settings?.support_roleID,
            allow: ["ViewChannel", "SendMessages"]
          }
        ];

        const channel = await interaction.guild.channels.create({
          parent: ticketOption?.categoryID,
          name: `ticket-${pad(settings.ticket_counter + 1, 4)}`,
          topic: `#Ticket | From ${interaction.user.username}`,
          permissionOverwrites: permissions
        });

        const closeButton = new ButtonBuilder()
            .setEmoji(ticket_settings.buttoncloseemoji)
            .setLabel(ticket_settings.buttoncloselabel)
            .setStyle(ticket_settings.buttonclosestyle)
            .setCustomId("close_ticket");

        const actionRow = new ActionRowBuilder().addComponents(closeButton);

        await channel.send({
          content: `<@&${settings?.support_roleID}>`,
          embeds: [embed],
          components: [actionRow]
        });

        await interaction.editReply({
          content: `You successfully created a ticket! Please check the ${channel}`,
          ephemeral: true
        });

        db.query(
            "INSERT INTO tickets (id, status, userID, guildID, channelID) VALUES (?, ?, ?, ?, ?)",
            [pad(settings.ticket_counter + 1, 4), "open", interaction.user.id, interaction.guildId, channel.id]
        );
      }
    } else if (interaction.customId.startsWith("ticket_")) {
      if (!interaction.isModalSubmit()) {
        return;
      }

      await interaction.deferReply({ ephemeral: true });

      const ticketOptionId = interaction.customId.split("ticket_")[1];
      const ticketOption = await query(
          db,
          `SELECT * FROM options WHERE id='${ticketOptionId}' AND guildID='${interaction.guildId}'`
      );

      const userEmbed = new EmbedBuilder()
          .setTimestamp()
          .setColor(ticket_settings.embed_color)
          .setDescription(ticket_settings.ticket_message.replace("{user}", interaction.user))
          .setAuthor({
            name: interaction.user.tag,
            iconURL: interaction.user.avatarURL()
          });

      const answerEmbed = new EmbedBuilder()
          .setTimestamp()
          .setColor(ticket_settings.embed_color)
          .setAuthor({
            name: interaction.user.tag,
            iconURL: interaction.user.avatarURL()
          });

      interaction.fields.fields.forEach(async field => {
        const question = await query(
            db,
            `SELECT * FROM questions WHERE id='${field.customId.split("input_")[1]}' AND guildID='${interaction.guildId}'`
        );

        answerEmbed.addFields({
          name: question.question,
          value: `\`\`\`${field.value}\`\`\``,
          inline: false
        });
      });

      const existingTicket = await query(
          db,
          `SELECT * FROM tickets WHERE status='open' AND userID='${interaction.user.id}' AND guildID='${interaction.guildId}'`
      );
      const existingChannel = client.channels.cache.get(existingTicket?.channelID);

      if (existingTicket && existingChannel) {
        return interaction.editReply({
          content: `You already have a ticket! Please check the ${existingChannel}`,
          ephemeral: true
        });
      }

      const settings = await query(db, `SELECT * FROM settings WHERE guildID='${interaction.guildId}'`);
      db.query(`UPDATE settings SET ticket_counter=ticket_counter+1 WHERE guildID='${interaction.guildId}'`);

      const permissions = [
        {
          id: interaction.guildId,
          deny: ["ViewChannel", "SendMessages"]
        },
        {
          id: interaction.member.id,
          allow: ["ViewChannel", "SendMessages"]
        },
        {
          id: client.user.id,
          allow: ["ViewChannel", "SendMessages"]
        },
        {
          id: settings?.support_roleID,
          allow: ["ViewChannel", "SendMessages"]
        }
      ];

      const channel = await interaction.guild.channels.create({
        parent: ticketOption?.categoryID,
        name: `ticket-${pad(settings.ticket_counter + 1, 4)}`,
        topic: `#Ticket | From ${interaction.user.username}`,
        permissionOverwrites: permissions
      });

      const closeButton = new ButtonBuilder()
          .setEmoji(ticket_settings.buttoncloseemoji)
          .setLabel(ticket_settings.buttoncloselabel)
          .setStyle(ticket_settings.buttonclosestyle)
          .setCustomId("close_ticket");

      const actionRow = new ActionRowBuilder().addComponents(closeButton);

      await channel.send({
        content: `<@&${settings?.support_roleID}>`,
        embeds: [userEmbed, answerEmbed],
        components: [actionRow]
      });

      await interaction.editReply({
        content: `You successfully created a ticket! Please check the ${channel}`,
        ephemeral: true
      });

      db.query(
          "INSERT INTO tickets (id, status, userID, guildID, channelID) VALUES (?, ?, ?, ?, ?)",
          [pad(settings.ticket_counter + 1, 4), "open", interaction.user.id, interaction.guildId, channel.id]
      );
    } else if (interaction.customId === "close_ticket") {
      const modal = new ModalBuilder()
          .setTitle("Close Ticket")
          .setCustomId("close_ticket_form");

      const textInput = new TextInputBuilder()
          .setRequired(false)
          .setCustomId('input')
          .setStyle("Paragraph")
          .setLabel("Close message");

      const actionRow = new ActionRowBuilder().addComponents(textInput);
      modal.addComponents(actionRow);

      return interaction.showModal(modal);
    } else if (interaction.customId === "close_ticket_form") {
      if (!interaction.isModalSubmit()) {
        return;
      }

      await interaction.deferReply({ ephemeral: true });

      const closeMessage = interaction.fields.getTextInputValue("input");
      const transcript = await discordTranscripts.createTranscript(interaction.channel, {
        saveImages: true,
        footerText: "Saved {number} message{s}",
        poweredBy: false
      });

      await interaction.editReply({
        content: "You successfully closed the ticket!",
        ephemeral: true
      });

      const ticket = await query(
          db,
          `SELECT * FROM tickets WHERE status='open' AND channelID='${interaction.channel.id}' AND guildID='${interaction.guildId}'`
      );
      const settings = await query(db, `SELECT * FROM settings WHERE guildID='${interaction.guildId}'`);
      const logChannel = settings?.log_channelID;
      const logChannelObj = client.channels.cache.get(logChannel);
      const user = client.users.cache.get(ticket.userID);

      const embed = new EmbedBuilder()
          .setTimestamp()
          .setColor(ticket_settings.embed_color)
          .setFooter({ text: interaction.guild.name })
          .setAuthor({ name: "Ticket has been closed!" })
          .addFields(
              {
                name: 'Ticket',
                value: `\`\`\`${interaction.channel.name}\`\`\``,
                inline: true
              },
              {
                name: "Ticket Author",
                value: `\`\`\`${user.tag}\`\`\``,
                inline: true
              },
              {
                name: "Server",
                value: `\`\`\`${interaction.guild.name}\`\`\``,
                inline: true
              },
              {
                name: "Reason",
                value: `\`\`\`${closeMessage}\`\`\``,
                inline: false
              }
          );

      await user?.send({
        embeds: [embed],
        files: [transcript]
      }).catch(() => {});

      await logChannelObj?.send({
        embeds: [embed],
        files: [transcript]
      }).catch(() => {});

      await query(
          db,
          `UPDATE tickets SET status='closed' WHERE channelID='${logChannel}' AND guildID='${interaction.guildId}'`
      );

      return interaction.channel.delete();
    }
  });
};

function pad(num, size) {
  let numStr = num.toString();
  while (numStr.length < size) {
    numStr = '0' + numStr;
  }
  return numStr;
}