import {
  EmbedBuilder,
  userMention,
  MessageFlags,
  SlashCommandBuilder,
} from "discord.js";
import { prisma } from "../../lib/prisma.ts";
import emoji from "../../../assets/emoji.json" assert { type: "json" };

export default {
  data: new SlashCommandBuilder()
    .setName("owner")
    .setDescription("Interact with the owners")
    .addSubcommand((subcommand) =>
      subcommand
        .setName("add")
        .setDescription("Add a user on the owner list")
        .addUserOption((option) =>
          option
            .setName("target")
            .setDescription("The user who will be added to the list")
            .setRequired(true),
        ),
    )
    .addSubcommand((subcommand) =>
      subcommand
        .setName("delete")
        .setDescription("Delete a user on the owner list")
        .addUserOption((option) =>
          option
            .setName("target")
            .setDescription("The user who will be deleted to the list")
            .setRequired(true),
        ),
    )
    .addSubcommand((subcommand) =>
      subcommand.setName("list").setDescription("The list of the owner"),
    ),
  async execute(interaction: CommandInteraction) {
    const subcommand = interaction.options.getSubcommand();
    let userData: User;
    try {
      userData = await prisma.user.findUnique({
        where: {
          id: interaction.user.id,
        },
      });
    } catch (err) {
      console.error(
        `\t⚠️ | Cannot get the database connection!\n\t\t(${err}).`,
      );
      await interaction.reply({
        content: `${emoji.answer.error} | Cannot connect to the database`,
        flags: MessageFlags.Ephemeral,
      });
      return;
    }
    let guildData: Guild;
    try {
      guildData = await prisma.guild.findUnique({
        where: {
          id: interaction.guild.id,
        },
      });
    } catch (err) {
      console.error(
        `\t⚠️ | Cannot get the database connection!\n\t\t(${err}).`,
      );
      await interaction.reply({
        content: `${emoji.answer.error} | Cannot connect to the database`,
        flags: MessageFlags.Ephemeral,
      });
      return;
    }
    const target: GuildMember = interaction.options.getUser("target");
    switch (subcommand) {
      case "add":
        if (!userData.isBuyer) {
          await interaction.reply({
            content: `${emoji.answer.no} | This command is only for buyer`,
            flags: MessageFlags.Ephemeral,
          });
          return;
        }
        try {
          await prisma.bot.update({
            where: {
              id: 1,
            },
            data: {
              owners: {
                connect: {
                  id: target.id,
                },
              },
            },
          });
          await prisma.user.upsert({
            where: {
              id: target.id,
            },
            update: {
              isOwner: true,
            },
            create: {
              id: target.id,
              isOwner: true,
            },
          });
        } catch (err) {
          console.error(
            `⚠️ | Error when adding ${target.username} to the username`,
          );
          await interaction.reply({
            content: `${emoji.answer.error} | Error when adding ${target.username} to the owner list`,
            flags: MessageFlags.Ephemeral,
          });
          return;
        }
        await interaction.reply({
          content: `${emoji.answer.yes} | ${target.username} has been added to the owner list`,
          flags: MessageFlags.Ephemeral,
        });
        return;
      case "delete":
        if (!userData.isBuyer) {
          await interaction.reply({
            content: `${emoji.answer.no} | This command is only for buyer`,
            flags: MessageFlags.Ephemeral,
          });
          return;
        } else if (interaction.user.id === target.id) {
          await interaction.reply({
            content: `${emoji.answer.no} | You cannot removing yourself from the owner list`,
            flags: MessageFlags.Ephemeral,
          });
          return;
        }
        try {
          await prisma.bot.update({
            where: {
              id: 1,
            },
            data: {
              owners: {
                disconnect: {
                  id: target.id,
                },
              },
            },
          });
          await prisma.user.upsert({
            where: {
              id: target.id,
            },
            update: {
              isOwner: false,
            },
            create: {
              id: target.id,
              isOwner: false,
            },
          });
        } catch (err) {
          console.error(
            `⚠️ | Error when removing ${target.username} to the username`,
          );
          await interaction.reply({
            content: `${emoji.answer.error} | Cannot removing the user from the owner list`,
            flags: MessageFlags.Ephemeral,
          });
          return;
        }
        await interaction.reply({
          content: `${emoji.answer.yes} | ${target.username} has been removing to the owner list`,
          flags: MessageFlags.Ephemeral,
        });
        return;
      case "list":
        if (!userData.isOwner) {
          await interaction.reply({
            content: `${emoji.answer.no} | This command is only for owner`,
            flags: MessageFlags.Ephemeral,
          });
          return;
        }
        try {
          const bot = await prisma.bot.findUnique({
            where: {
              id: 1,
            },
            include: {
              owners: true,
            },
          });

          if (!bot || bot.owners.length === 0) {
            await interaction.reply({
              content: `${emoji.answer.error} | There is no owner registered.`,
              flags: MessageFlags.Ephemeral,
            });
            break;
          }

          const ownerList = await Promise.all(
            bot.owners.map(async (owner) => {
              try {
                const user = await interaction.client.users.fetch(owner.id);
                return `- ${user.username} (\`${user.id}\`)\n`;
              } catch (err) {
                console.warn(`⚠️ | ${owner.id} : ${err}`);
                return null;
              }
            }),
          );

          const toSend: EmbedBuilder = new EmbedBuilder()
            .setTitle(`${emoji.badge.owner} | Owner list`)
            .setColor(guildData.color)
            .setFooter({
              text: guildData.footer,
            })
            .setDescription(ownerList.filter(Boolean).join(""));
          await interaction.reply({
            embeds: [toSend],
            flags: MessageFlags.Ephemeral,
          });
        } catch (err) {
          console.error(
            `⚠️ | error when fetching infromation from the database: ${err}`,
          );
          await interaction.reply({
            content: `${emoji.answer.error} | Cannot fetch the infromation of the database.`,
            flags: MessageFlags.Ephemeral,
          });
        }
        break;
        return;
    }
  },
};