"""
DXCC Prefix Lookup extension for qrm
---
Copyright (C) 2019-2020 Abigail Gold, 0x5c  (as lookup.py)
Copyright (C) 2021 Abigail Gold, 0x5c

This file is part of qrm2 and is released under the terms of
the GNU General Public License, version 2.
"""


import threading
from pathlib import Path

from ctyparser import BigCty

from discord.ext import commands, tasks

import common as cmn


cty_path = Path("./data/cty.json")


class DXCCCog(commands.Cog):
    def __init__(self, bot):
        self.bot = bot
        try:
            self.cty = BigCty(cty_path)
        except OSError:
            self.cty = BigCty()

    @commands.command(name="dxcc", aliases=["dx"], category=cmn.Cats.LOOKUP)
    async def _dxcc_lookup(self, ctx: commands.Context, query: str):
        """Gets DXCC info about a callsign prefix."""
        query = query.upper()
        full_query = query
        embed = cmn.embed_factory(ctx)
        embed.title = "DXCC Info for "
        embed.description = f"*Last Updated: {self.cty.formatted_version}*"
        embed.colour = cmn.colours.bad
        while query:
            if query in self.cty.keys():
                data = self.cty[query]
                embed.add_field(name="Entity", value=data["entity"])
                embed.add_field(name="CQ Zone", value=data["cq"])
                embed.add_field(name="ITU Zone", value=data["itu"])
                embed.add_field(name="Continent", value=data["continent"])
                embed.add_field(name="Time Zone",
                                value=f"+{data['tz']}" if data["tz"] > 0 else str(data["tz"]))
                embed.title += query
                embed.colour = cmn.colours.good
                break
            else:
                query = query[:-1]
        else:
            embed.title += full_query + " not found"
            embed.colour = cmn.colours.bad
        await ctx.send(embed=embed)

    @tasks.loop(hours=24)
    async def _update_cty(self):
        update = threading.Thread(target=run_update, args=(self.cty, cty_path))
        update.start()


def run_update(cty_obj, dump_loc):
    update = cty_obj.update()
    if update:
        cty_obj.dump(dump_loc)


def setup(bot: commands.Bot):
    dxcccog = DXCCCog(bot)
    bot.add_cog(dxcccog)
    dxcccog._update_cty.start()