const { SlashCommandBuilder } = require('@discordjs/builders');
const { MessageEmbed } = require('discord.js');
const mongoose = require("mongoose");
const UserSave = require('../models/UserSchema');
const GuildSave = require('../models/GuildSchema');
const rs = require('randomstring');

module.exports = {
	data: new SlashCommandBuilder()
		.setName('buy')
		.setDescription('Buy items from the shop')
        .addStringOption(i => i.setName("id").setDescription("The ID of the item").setRequired(true)),
	async execute(interaction) {
        let ID = interaction.options.getString("id");
		let UserProfile = await UserSave.findOne({ userID: interaction.user.id, guildID: interaction.guild.id });
        if(!UserProfile) {
            UserProfile = await new UserSave({
                _id: mongoose.Types.ObjectId(),
                userID: interaction.user.id,
                guildID: interaction.guild.id,
                bank: 0,
                wallet: 0,
            }).save();
        };
        let GuildProfile = await GuildSave.findOne({ guildID: interaction.guild.id });
        if(!GuildProfile) {
            GuildProfile = await new GuildSave({
                _id: mongoose.Types.ObjectId(),
                guildID: interaction.guild.id,
                bank: 50000,
                shop: [],
            }).save();
        };

        function FindItem(item) {
			return item.id === ID;
		}

        let Item = await GuildProfile.shop.find(FindItem)

        let embed = new MessageEmbed()
            .setTitle("Something went wrong!")
            .addField("Possible reasons:", `- You don't have enough money\n- You're trying to buy an item that doesn't exist\n__**The money must be in your wallet**__`)
            .setColor("RED")
            .setFooter("Disbank", interaction.client.user.displayAvatarURL({ dynamic: true }))
            .setTimestamp();

        if(!Item || UserProfile.wallet < Item.price) {
            await interaction.reply({ embeds: [embed], ephemeral: true });
            return;
        }

        let embed2 = new MessageEmbed()
            .setTitle("Item bought!")
            .addField("Item:", `${Item.item.charAt(0).toUpperCase() + Item.item.slice(1)}`)
            .addField("Price:", `\`❂ ${Item.price}\``)
            .setColor('#EFD08C')
            .setFooter("Disbank", interaction.client.user.displayAvatarURL({ dynamic: true }))
            .setTimestamp();

        let itemID = await rs.generate({
            length: 4,
            charset: 'numeric'
        });

        let object = {
            item: Item.item,
            id: itemID,
            count: 1,
        }

        let Inventory = UserProfile.inventory;

        let ItemCount = await Inventory.find(x => x.item === Item.item)

        if(ItemCount) {
            await UserSave.findOneAndUpdate({ userID: interaction.user.id, guildID: interaction.guild.id }, { wallet: UserProfile.wallet - Item.price });
            await GuildSave.findOneAndUpdate({ guildID: interaction.guild.id }, { bank: GuildProfile.bank - Item.price });
            await UserSave.findOneAndUpdate({
                userID: interaction.user.id,
                guildID: interaction.guild.id
              }, {
                $inc: {
                  'inventory.$[findId].count': 1
                }
              }, {
                arrayFilters: [{ 'findId.id': ItemCount.id }]
            });
            await interaction.reply({ embeds: [embed2] });
            return;
        } else {
            await UserSave.findOneAndUpdate({ userID: interaction.user.id, guildID: interaction.guild.id }, { wallet: UserProfile.wallet - Item.price });
            await GuildSave.findOneAndUpdate({ guildID: interaction.guild.id }, { bank: GuildProfile.bank - Item.price });
            await UserSave.findOneAndUpdate({ userID: interaction.user.id, guildID: interaction.guild.id }, { $push: { inventory: object } });
            await interaction.reply({ embeds: [embed2] });
            return;
        }
	},
};