const { Events, channelLink, discordSort } = require('discord.js');

module.exports = {
	name: Events.MessageCreate,
	async execute(message) {
        if (message.author.bot) return;

        if(message.channel.id === '1462060674766344370') {

            let reply = "";
            let db = await message.client.localDB;
            const receiptsChannel = message.channel; 
            const authorId = message.author.id;
            
            let budgets = await db.prepare(`SELECT * FROM grocery_budgets WHERE discord_id = ?`).get(authorId);
            let weeklyBudget = await (await db.prepare(`SELECT weekly_budget FROM bot_config`).get()).weekly_budget;
            
            console.log(weeklyBudget, budgets);
            if (budgets === undefined) {
                console.log(`No budget row in db for ${authorId}`);
                db.prepare(`INSERT OR REPLACE INTO grocery_budgets (discord_id, budget_spent, total_spent) VALUES (?,0,0)`).run(authorId);
            }

            let matches = [];
            let lines = message.content.split("\n");
            let additionalSpent = 0.0;
            lines.forEach(line => {0
                if (line.startsWith('-')) {
                    console.log(`Matching on line ${line}`);
                    const regex = /-(?=[0-9])([0-9]*,?[0-9]*)/m;
                    let match = regex.exec(line)
                    console.log(match);
                    additionalSpent = additionalSpent + parseFloat(match[1]);
                }
            });
            
            if (additionalSpent > 0) {
                db.prepare(`UPDATE grocery_budgets SET budget_spent = ?, total_spent = ? WHERE discord_id = ?`).run(budgets.budget_spent + additionalSpent, budgets.total_spent + additionalSpent, authorId);
                let remainingBudget = weeklyBudget - (budgets.budget_spent + additionalSpent);

                reply = `${message.author.globalName} spent ${additionalSpent} of their budget.\nThey have ${remainingBudget} remaining.`;
                await receiptsChannel.send(reply);
            }
        }
	},
};