import discord
from discord import app_commands
import random
import sqlite3
from datetime import datetime, timedelta


class Currency:
    def __init__(self, bot):
        self.bot = bot
        self.db_path = 'data/selena.db'
        self._init_db()
        self.cooldowns = {}

    def _init_db(self):
        with sqlite3.connect(self.db_path) as conn:
            cursor = conn.cursor()
            cursor.execute('''
                CREATE TABLE IF NOT EXISTS users (
                    user_id TEXT PRIMARY KEY,
                    kibble INTEGER DEFAULT 0,
                    xp INTEGER DEFAULT 0,
                    level INTEGER DEFAULT 1
                )
            ''')
            conn.commit()

    def _get_user_kibble(self, user_id):
        with sqlite3.connect(self.db_path) as conn:
            cursor = conn.cursor()
            cursor.execute('SELECT kibble FROM users WHERE user_id = ?', (user_id,))
            row = cursor.fetchone()
            return row[0] if row else 0

    def _update_user_kibble(self, user_id, amount):
        with sqlite3.connect(self.db_path) as conn:
            cursor = conn.cursor()
            cursor.execute('INSERT OR IGNORE INTO users (user_id, kibble) VALUES (?, ?)', (user_id, 0))
            cursor.execute('UPDATE users SET kibble = kibble + ? WHERE user_id = ?', (amount, user_id))
            conn.commit()

    async def earn_kibble(self, interaction: discord.Interaction):
        user_id = str(interaction.user.id)
        now = datetime.utcnow()

        if user_id in self.cooldowns:
            if now < self.cooldowns[user_id]:
                retry_after = (self.cooldowns[user_id] - now).total_seconds()
                await interaction.response.send_message(
                    f'{interaction.user.mention}, you are on a cooldown. Please wait {retry_after:.2f} seconds before using this command again.',
                    ephemeral=True
                )
                return

        self.cooldowns[user_id] = now + timedelta(seconds=30)
        amount = random.choices([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 100], [0.01, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 0.01])[0]
        self._update_user_kibble(user_id, amount)
        await interaction.response.send_message(f'{interaction.user.mention} earned {amount} Kibble!')

    async def balance(self, interaction: discord.Interaction):
        user_id = str(interaction.user.id)
        balance = self._get_user_kibble(user_id)
        await interaction.response.send_message(f'{interaction.user.mention} has {balance} Kibble.')

    def setup(self, tree):
        tree.add_command(app_commands.Command(
            name='earn_kibble',
            description='Earn Kibble',
            callback=self.earn_kibble
        ))
        tree.add_command(app_commands.Command(
            name='balance',
            description='Check your Kibble balance',
            callback=self.balance
        ))


def setup(bot):
    bot.tree.add_cog(Currency(bot))