import bisect
import json
import logging
import random
from pathlib import Path
from typing import Dict

import discord
from discord.ext import commands

from bot.bot import Bot
from bot.constants import Colours

log = logging.getLogger(__name__)

data: Dict[str, Dict[str, str]] = json.loads(Path("bot/resources/halloween/spooky_rating.json").read_text("utf8"))
SPOOKY_DATA = sorted((int(key), value) for key, value in data.items())


class SpookyRating(commands.Cog):
    """A cog for calculating one's spooky rating."""

    def __init__(self):
        self.local_random = random.Random()

    @commands.command()
    @commands.cooldown(rate=1, per=5, type=commands.BucketType.user)
    async def spookyrating(self, ctx: commands.Context, who: discord.Member = None) -> None:
        """
        Calculates the spooky rating of someone.

        Any user will always yield the same result, no matter who calls the command
        """
        if who is None:
            who = ctx.author

        # This ensures that the same result over multiple runtimes
        self.local_random.seed(who.id)
        spooky_percent = self.local_random.randint(1, 101)

        # We need the -1 due to how bisect returns the point
        # see the documentation for further detail
        # https://docs.python.org/3/library/bisect.html#bisect.bisect
        index = bisect.bisect(SPOOKY_DATA, (spooky_percent,)) - 1

        _, data = SPOOKY_DATA[index]

        embed = discord.Embed(
            title=data["title"],
            description=f"{who} scored {spooky_percent}%!",
            color=Colours.orange
        )
        embed.add_field(
            name="A whisper from Satan",
            value=data["text"]
        )
        embed.set_thumbnail(
            url=data["image"]
        )

        await ctx.send(embed=embed)


def setup(bot: Bot) -> None:
    """Load the Spooky Rating Cog."""
    bot.add_cog(SpookyRating())