#   _____                         _
#  / ____|                       (_)
# | (___   ___  __ _ _____      ___ _ __ ___  _ __ ___   ___ _ __
#  \___ \ / _ \/ _` / __\ \ /\ / / | '_ ` _ \| '_ ` _ \ / _ \ '__|
#  ____) |  __/ (_| \__ \\ V  V /| | | | | | | | | | | |  __/ |
# |_____/ \___|\__,_|___/ \_/\_/ |_|_| |_| |_|_| |_| |_|\___|_|

import asyncio
import json
import subprocess

import discord
from redbot.core import commands
from redbot.core.bot import Red
from redbot.core.utils import chat_formatting as cf

from .models import Speedtest as sp


class Speedtest(commands.Cog):
    """A collection of random utilities."""

    __author__ = ["SeaswimmerTheFsh"]
    __version__ = "1.0.0"

    def __init__(self, bot: Red):
        self.bot = bot

    def format_help_for_context(self, ctx: commands.Context) -> str:
        pre_processed = super().format_help_for_context(ctx) or ""
        n = "\n" if "\n\n" not in pre_processed else ""
        text = [
            f"{pre_processed}{n}",
            f"Cog Version: **{self.__version__}**",
            f"Author: {cf.humanize_list(self.__author__)}"
        ]
        return "\n".join(text)

    async def run_speedtest(self) -> str | sp:
        try:
            process = await asyncio.create_subprocess_exec(
                "speedtest", "-f", "json", "--accept-license",
                stdout=subprocess.PIPE,
                stderr=subprocess.PIPE
            )
        except FileNotFoundError:
            return "Speedtest CLI is not installed."
        stdout, stderr = await process.communicate()
        if process.returncode != 0:
            return stderr.decode("utf-8")
        return sp.from_json(json.loads(stdout.decode("utf-8")))

    @commands.command()
    @commands.is_owner()
    async def speedtest(self, ctx: commands.Context) -> None:
        """Run a speedtest."""
        msg = await ctx.maybe_send_embed("Running speedtest...")
        async with ctx.typing():
            speedtest = await self.run_speedtest()
            if await ctx.embed_requested():
                if not isinstance(speedtest, sp):
                    await msg.edit(embed=discord.Embed(description=f"An error occurred! {speedtest}", color=discord.Colour.red()))
                    return
                embed = discord.Embed(title="Speedtest Results", url=speedtest.result.url, color=await ctx.embed_color())
                embed.add_field(name="Bandwidth", value=f"{speedtest.download.mbps:,.2f} Mbps down, {speedtest.upload.mbps:,.2f} Mbps up")
                embed.add_field(name="Ping", value=f"Base: {round(speedtest.ping.latency)} ms \nDownload: {round(speedtest.download.latency.iqm)} ms \nUpload: {round(speedtest.upload.latency.iqm)} ms")
                embed.set_image(url=speedtest.result.image)
                await msg.edit(embed=embed)
            else:
                if not isinstance(speedtest, sp):
                    await msg.edit(content=f"An error occurred! \n`{speedtest}`")
                    return
                await msg.edit(content=f"**Speedtest Results**\n"
                                    f"**Bandwidth**: {speedtest.download.mbps:,.2f} Mbps down, {speedtest.download.mbps:,.2f} Mbps up\n"
                                    f"**Ping**: Base: {round(speedtest.ping.latency)} ms\n"
                                    f"Download: {round(speedtest.download.latency.iqm)} ms\n"
                                    f"Upload: {round(speedtest.upload.latency.iqm)} ms\n"
                                    f"**Image**: {speedtest.result.image}")