import utils

from discord.ext import commands
import discord
import logging

BASE_URL = "https://api.owapi.net/api/v3/u/"
# This is a list of the possible things that we may want to retrieve from the stats
# The API returns something if it exists, and leaves it out of the data returned entirely if it does not
# For example if you have not won with a character, wins will not exist in the list
# This sets an easy way to use list comprehension later, to print all possible things we want, if it exists
check_g_stats = [
    "eliminations",
    "deaths",
    "kpd",
    "wins",
    "losses",
    "time_played",
    "cards",
    "damage_done",
    "healing_done",
    "multikills",
]
check_o_stats = ["wins"]

log = logging.getLogger()


class Overwatch(commands.Cog):
    """Class for viewing Overwatch stats"""

    @commands.group()
    async def ow(self, ctx):
        """Command used to lookup information on your own user, or on another's
        When adding your battletag, it is quite picky, use the exact format user#xxxx
        Multiple names with the same username can be used, this is why the numbers are needed
        Capitalization also matters"""
        pass

    @ow.command(name="stats")
    @utils.can_run(send_messages=True)
    async def ow_stats(self, ctx, user: discord.Member = None, hero: str = ""):
        """Prints out a basic overview of a member's stats
        Provide a hero after the member to get stats for that specific hero

        EXAMPLE: !ow stats @OtherPerson Junkrat
        RESULT: Whether or not you should unfriend this person because they're a dirty rat"""
        user = user or ctx.message.author
        bt = ctx.bot.db.load("overwatch", key=str(user.id), pluck="battletag")

        if bt is None:
            await ctx.send("I do not have this user's battletag saved!")
            return

        if hero == "":
            # If no hero was provided, we just want the base stats for a player
            url = BASE_URL + "{}/stats".format(bt)
            data = await utils.request(url)
            if data is None:
                await ctx.send("I couldn't connect to overwatch at the moment!")
                return

            log.info(data)

            region = [
                x
                for x in data.keys()
                if data[x] is not None and x in ["us", "any", "kr", "eu"]
            ][0]
            stats = data[region]["stats"]["quickplay"]

            output_data = [
                (k.title().replace("_", " "), r)
                for k, r in stats["game_stats"].items()
                if k in check_g_stats
            ]
        else:
            # If there was a hero provided, search for a user's data on that hero
            hero = hero.lower().replace("-", "")
            url = BASE_URL + "{}/heroes".format(bt)
            data = await utils.request(url)
            if data is None:
                await ctx.send("I couldn't connect to overwatch at the moment!")
                return

            region = [
                x
                for x in data.keys()
                if data[x] is not None and x in ["us", "any", "kr", "eu"]
            ][0]
            stats = data[region]["heroes"]["stats"]["quickplay"].get(hero)

            if stats is None:
                fmt = (
                    "I couldn't find data with that hero, make sure that is a valid hero, "
                    "otherwise {} has never used the hero {} before!".format(
                        user.display_name, hero
                    )
                )
                await ctx.send(fmt)
                return

            # Same list comprehension as before
            output_data = [
                (k.title().replace("_", " "), r)
                for k, r in stats["general_stats"].items()
                if k in check_g_stats
            ]
            for k, r in stats["hero_stats"].items():
                output_data.append((k.title().replace("_", " "), r))
        try:
            banner = await utils.create_banner(user, "Overwatch", output_data)
            await ctx.send(file=discord.File(banner, filename="banner.png"))
        except (FileNotFoundError, discord.Forbidden):
            fmt = "\n".join("{}: {}".format(k, r) for k, r in output_data)
            await ctx.send(
                "Overwatch stats for {}: ```py\n{}```".format(user.name, fmt)
            )

    @ow.command(name="add")
    @utils.can_run(send_messages=True)
    async def add(self, ctx, bt: str):
        """Saves your battletag for looking up information

        EXAMPLE: !ow add Username#1234
        RESULT: Your battletag is now saved"""

        # Battletags are normally provided like name#id
        # However the API needs this to be a -, so repliace # with - if it exists
        bt = bt.replace("#", "-")
        key = str(ctx.message.author.id)

        # All we're doing here is ensuring that the status is 200 when looking up someone's general information
        # If it's not, let them know exactly how to format their tag
        url = BASE_URL + "{}/stats".format(bt)
        data = await utils.request(url)
        if data is None:
            await ctx.send(
                "Profile does not exist! Battletags are picky, "
                "format needs to be `user#xxxx`. Capitalization matters"
            )
            return

        # Now just save the battletag
        entry = {"member_id": key, "battletag": bt}

        await ctx.bot.db.save("overwatch", entry)
        await ctx.send(
            "I have just saved your battletag {}".format(ctx.message.author.mention)
        )

    @ow.command(name="delete", aliases=["remove"])
    @utils.can_run(send_messages=True)
    async def delete(self, ctx):
        """Removes your battletag from the records

        EXAMPLE: !ow delete
        RESULT: Your battletag is no longer saved"""
        entry = {"member_id": str(ctx.message.author.id), "battletag": None}
        await ctx.bot.db.save("overwatch", entry)
        await ctx.send(
            "I no longer have your battletag saved {}".format(
                ctx.message.author.mention
            )
        )


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