"""
Codes extension for qrm
---
Copyright (C) 2019-2021 Abigail Gold, 0x5c  (as ham.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 json

import discord.ext.commands as commands

import common as cmn


class HamCog(commands.Cog):
    def __init__(self, bot: commands.Bot):
        self.bot = bot
        with open(cmn.paths.resources / "phonetics.1.json") as file:
            d = json.load(file)
            self.phonetics: dict[str, str] = d["phonetics"]
            self.pweights: dict[str, int] = d["pweights"]
        with open(cmn.paths.resources / "qcodes.1.json") as file:
            self.qcodes: dict = json.load(file)

    @commands.command(name="qcode", aliases=["q"], category=cmn.Cats.CODES)
    async def _qcode_lookup(self, ctx: commands.Context, qcode: str):
        """Looks up the meaning of a Q Code."""
        qcode = qcode.upper()
        embed = cmn.embed_factory(ctx)
        if qcode in self.qcodes:
            embed.title = qcode
            embed.description = self.qcodes[qcode]
            embed.colour = cmn.colours.good
        else:
            embed.title = f"Q Code {qcode} not found"
            embed.colour = cmn.colours.bad
        await ctx.send(embed=embed)

    @commands.command(name="phonetics", aliases=["ph", "phoneticize", "phoneticise", "phone"], category=cmn.Cats.CODES)
    async def _phonetics_lookup(self, ctx: commands.Context, *, msg: str):
        """Returns NATO phonetics for a word or phrase."""
        result = ""
        for char in msg.lower():
            if char.isalpha():
                result += self.phonetics[char]
            else:
                result += char
            result += " "
        embed = cmn.embed_factory(ctx)
        embed.title = f"Phonetics for {msg}"
        embed.description = result.title()
        embed.colour = cmn.colours.good
        await ctx.send(embed=embed)

    @commands.command(name="phoneticweight", aliases=["pw"], category=cmn.Cats.CODES)
    async def _weight(self, ctx: commands.Context, *, msg: str):
        """Calculates the phonetic weight of a callsign or message."""
        embed = cmn.embed_factory(ctx)
        msg = msg.upper()
        weight = 0
        for char in msg:
            try:
                weight += self.pweights[char]
            except KeyError:
                embed.title = "Error in calculation of phonetic weight"
                embed.description = f"Unknown character `{char}` in message"
                embed.colour = cmn.colours.bad
                await ctx.send(embed=embed)
                return
        embed.title = f"Phonetic Weight of {msg}"
        embed.description = f"The phonetic weight is **{weight}**"
        embed.colour = cmn.colours.good
        await ctx.send(embed=embed)


def setup(bot: commands.Bot):
    bot.add_cog(HamCog(bot))