"""
QRZ cog for qrm
---
Copyright (C) 2019 Abigail Gold, 0x5c

This file is part of discord-qrmbot and is released under the terms of the GNU
General Public License, version 2.
"""
from collections import OrderedDict
from datetime import datetime

import discord
import discord.ext.commands as commands

import aiohttp
from bs4 import BeautifulSoup


class QRZCog(commands.Cog):
    def __init__(self, bot: commands.Bot):
        self.bot = bot
        self.gs = bot.get_cog("GlobalSettings")
        try:
            with open('data/qrz_session') as qrz_file:
                self.key = qrz_file.readline().strip()
            await qrz_test_session(self.key)
        except FileNotFoundError:
            self.key = await qrz_login(self.gs.keys.qrz_user, self.gs.keys.qrz_pass)
            with open('data/qrz_session', 'w') as qrz_file:
                qrz_file.write(self.key)
        except ConnectionError:
            self.key = await qrz_login(self.gs.keys.qrz_user, self.gs.keys.qrz_pass)
            with open('data/qrz_session', 'w') as qrz_file:
                qrz_file.write(self.key)

    @commands.command(name="qrz", aliases=["call"])
        if self.gs.keys.qrz_user == '' or self.gs.keys.qrz_pass == '':
            await ctx.send(f'http://qrz.com/db/{call}')
            return

        try:
            await qrz_test_session(self.key)
        except ConnectionError:
            self.key = await qrz_login(self.gs.keys.qrz_user, self.gs.keys.qrz_pass)
            with open('data/qrz_session', 'w') as qrz_file:
                qrz_file.write(self.key)

        url = f'http://xmldata.qrz.com/xml/current/?s={self.key};callsign={call}'
        async with aiohttp.ClientSession() as session:
            async with session.get(url) as resp:
                if resp.status != 200:
                    raise ConnectionError(f'Unable to connect to QRZ (HTTP Error {resp.status})')
                resp_xml = await resp.text()

        xml_soup = BeautifulSoup(resp_xml, "xml")

        resp_data = {tag.name: tag.contents[0] for tag in xml_soup.select('QRZDatabase Callsign *')}
        resp_session = {tag.name: tag.contents[0] for tag in xml_soup.select('QRZDatabase Session *')}
        if 'Error' in resp_session:
            if 'Session Timeout' in resp_session['Error']:
                self.key = await qrz_login(self.gs.keys.qrz_user, self.gs.keys.qrz_pass)
                with open('data/qrz_session', 'w') as qrz_file:
                    qrz_file.write(self.key)
            raise ValueError(resp_session['Error'])

        embed = discord.Embed(title=f"QRZ Data for {resp_data['call']}",
                              colour=self.gs.colours.good,
                              url=f'http://www.qrz.com/db/{resp_data["call"]}',
                              timestamp=datetime.utcnow())
        embed.set_footer(text=ctx.author.name,
                         icon_url=str(ctx.author.avatar_url))
        if 'image' in resp_data:
            embed.set_image(url=resp_data['image'])

        data = qrz_process_info(resp_data)

        for title, val in data.items():
            if val is not None:
                embed.add_field(name=title, value=val, inline=True)
        await ctx.send(embed=embed)


async def qrz_login(user: str, passwd: str):
    url = f'http://xmldata.qrz.com/xml/current/?username={user};password={passwd};agent=qrmbot'
    async with aiohttp.ClientSession() as session:
        async with session.get(url) as resp:
            if resp.status != 200:
                raise ConnectionError(f'Unable to connect to QRZ (HTTP Error {resp.status})')
            resp_xml = await resp.text()

    xml_soup = BeautifulSoup(resp_xml, "xml")
    resp_data = {tag.name: tag.contents[0] for tag in xml_soup.select('QRZDatabase Session *')}
    if 'Error' in resp_data:
        raise ConnectionError(resp_data['Error'])
    if resp_data['SubExp'] == 'non-subscriber':
        raise ConnectionError('Invalid QRZ Subscription')
    return resp_data['Key']


async def qrz_test_session(key: str):
    url = f'http://xmldata.qrz.com/xml/current/?s={key}'
    async with aiohttp.ClientSession() as session:
        async with session.get(url) as resp:
            if resp.status != 200:
                raise ConnectionError(f'Unable to connect to QRZ (HTTP Error {resp.status})')
            resp_xml = await resp.text()

    xml_soup = BeautifulSoup(resp_xml, "xml")
    print(xml_soup)

    resp_session = {tag.name: tag.contents[0] for tag in xml_soup.select('QRZDatabase Session *')}
    if 'Error' in resp_session:
        raise ConnectionError(resp_session['Error'])


def qrz_process_info(data: dict):
    if 'name' in data:
        if 'fname' in data:
            name = data['fname'] + ' ' + data['name']
        else:
            name = data['name']
    else:
        name = None
    if 'state' in data:
        state = f', {data["state"]}'
    else:
        state = ''
    address = data.get('addr1', '') + '\n' + data.get('addr2', '') + \
        state + ' ' + data.get('zip', '')
    if 'eqsl' in data:
        eqsl = 'Yes' if data['eqsl'] == 1 else 'No'
    else:
        eqsl = 'Unknown'
    if 'mqsl' in data:
        mqsl = 'Yes' if data['mqsl'] == 1 else 'No'
    else:
        mqsl = 'Unknown'
    if 'lotw' in data:
        lotw = 'Yes' if data['lotw'] == 1 else 'No'
    else:
        lotw = 'Unknown'

    return OrderedDict([('Name', name),
                        ('Country', data.get('country', None)),
                        ('Address', address),
                        ('Grid Square', data.get('grid', None)),
                        ('County', data.get('county', None)),
                        ('CQ Zone', data.get('cqzone', None)),
                        ('ITU Zone', data.get('ituzone', None)),
                        ('IOTA Designator', data.get('iota', None)),
                        ('Expires', data.get('expdate', None)),
                        ('Aliases', data.get('aliases', None)),
                        ('Previous Callsign', data.get('p_call', None)),
                        ('License Class', data.get('class', None)),
                        ('eQSL?', eqsl),
                        ('Paper QSL?', mqsl),
                        ('LotW?', lotw),
                        ('QSL Info', data.get('qslmgr', None)),
                        ('CQ Zone', data.get('cqzone', None)),
                        ('ITU Zone', data.get('ituzone', None)),
                        ('IOTA Designator', data.get('iota', None)),
                        ('Born', data.get('born', None)),
                        ])


def setup(bot):
    bot.add_cog(QRZCog(bot))