miyu-bot/miyu_bot/commands/cogs/music.py

import asyncio
import contextlib
import logging
import wave
from typing import Optional, Tuple

import discord
from d4dj_utils.master.chart_master import ChartDifficulty, ChartMaster
from d4dj_utils.master.common_enums import ChartSectionType
from d4dj_utils.master.music_master import MusicMaster
from discord.ext import commands

from main import asset_manager
from miyu_bot.commands.common.emoji import difficulty_emoji_ids
from miyu_bot.commands.common.formatting import format_info
from miyu_bot.commands.common.fuzzy_matching import romanize, FuzzyMap
from miyu_bot.commands.common.reaction_message import run_tabbed_message, run_paged_message


class Music(commands.Cog):
    def __init__(self, bot: commands.Bot):
        self.bot = bot
        self.logger = logging.getLogger(__name__)
        self.music = FuzzyMap(lambda m: m.is_released)
        for m in asset_manager.music_master.values():
            if not self.music.has_exact(f'{m.name} {m.special_unit_name}'):
                self.music[f'{m.name} {m.special_unit_name}'] = m

    @property
    def reaction_emojis(self):
        return [self.bot.get_emoji(eid) for eid in difficulty_emoji_ids.values()]

    difficulty_names = {
        'expert': ChartDifficulty.Expert,
        'hard': ChartDifficulty.Hard,
        'normal': ChartDifficulty.Normal,
        'easy': ChartDifficulty.Easy,
        'exp': ChartDifficulty.Expert,
        'hrd': ChartDifficulty.Hard,
        'nrm': ChartDifficulty.Normal,
        'esy': ChartDifficulty.Easy,
        'ex': ChartDifficulty.Expert,
        'hd': ChartDifficulty.Hard,
        'nm': ChartDifficulty.Normal,
        'es': ChartDifficulty.Easy,
    }

    @commands.command(name='song',
                      aliases=['music'],
                      description='Finds the song with the given name.',
                      help='!song grgr')
    async def song(self, ctx: commands.Context, *, arg: str):
        self.logger.info(f'Searching for song "{arg}".')

        song = self.get_song(arg)

        if not song:
            msg = f'Failed to find song "{arg}".'
            await ctx.send(msg)
            self.logger.info(msg)
            return
        self.logger.info(f'Found song "{song}" ({romanize(song.name)}).')

        thumb = discord.File(song.jacket_path, filename='jacket.png')

        embed = discord.Embed(title=song.name)
        embed.set_thumbnail(url=f'attachment://jacket.png')

        artist_info = {
            'Lyricist': song.lyricist,
            'Composer': song.composer,
            'Arranger': song.arranger,
            'Unit': song.unit.name,
            'Special Unit Name': song.special_unit_name,
        }

        music_info = {
            'Category': song.category.name,
            'Duration': self.format_duration(self.get_music_duration(song)),
            'BPM': song.bpm,
            'Section Trend': song.section_trend.name,
            'Sort Order': song.default_order,
            'Levels': ', '.join(c.display_level for c in song.charts.values()),
            'Release Date': song.start_datetime,
        }

        embed.add_field(name='Artist',
                        value=format_info(artist_info),
                        inline=False)
        embed.add_field(name='Info',
                        value=format_info(music_info),
                        inline=False)

        await ctx.send(files=[thumb], embed=embed)

    @commands.command(name='chart',
                      aliases=[],
                      description='Finds the chart with the given name.',
                      help='!chart grgr\n!chart grgr normal')
    async def chart(self, ctx: commands.Context, *, arg: str):
        self.logger.info(f'Searching for chart "{arg}".')

        name, difficulty = self.parse_chart_args(arg)
        song = self.get_song(name)

        if not song:
            msg = f'Failed to find chart "{name}".'
            await ctx.send(msg)
            self.logger.info(msg)
            return
        self.logger.info(f'Found song "{song}" ({romanize(song.name)}).')

        embeds, files = self.get_chart_embed_info(song)

        message = await ctx.send(files=files, embed=embeds[difficulty - 1])

        asyncio.ensure_future(run_tabbed_message(ctx, message, self.reaction_emojis, embeds))

    @commands.command(name='sections',
                      aliases=['mixes'],
                      description='Finds the sections of the chart with the given name.',
                      help='!sections grgr')
    async def sections(self, ctx: commands.Context, *, arg: str):
        self.logger.info(f'Searching for chart sections "{arg}".')

        name, difficulty = self.parse_chart_args(arg)
        song = self.get_song(name)

        if not song:
            msg = f'Failed to find chart "{name}".'
            await ctx.send(msg)
            self.logger.info(msg)
            return
        if not song.enable_long_mix:
            msg = f'Song "{song.name}" does not have mix enabled.'
            await ctx.send(msg)
            self.logger.info(msg)
            return
        self.logger.info(f'Found song "{song}" ({romanize(song.name)}).')

        embeds, files = self.get_mix_embed_info(song)

        message = await ctx.send(files=files, embed=embeds[difficulty - 1])

        asyncio.ensure_future(run_tabbed_message(ctx, message, self.reaction_emojis, embeds))

    @commands.command(name='songs',
                      aliases=['songsearch', 'song_search'],
                      description='Finds songs matching the given name.',
                      help='!songs grgr')
    async def songs(self, ctx: commands.Context, *, arg: str = ""):
        if arg:
            self.logger.info(f'Searching for songs "{arg}".')
            songs = self.music.get_sorted(arg)
            listing = [f'{song.name}{" (" + song.special_unit_name + ")" if song.special_unit_name else ""}' for song in
                       songs]
            asyncio.ensure_future(run_paged_message(ctx, f'Song Search "{arg}"', listing))
        else:
            self.logger.info('Listing songs.')
            songs = sorted(self.music.values(), key=lambda m: -m.default_order)
            songs = [*songs[1:], songs[0]]  # lesson is always first
            listing = [f'{song.name}{" (" + song.special_unit_name + ")" if song.special_unit_name else ""}' for song in
                       songs]
            asyncio.ensure_future(run_paged_message(ctx, f'All Songs', listing))

        return

    def get_chart_embed_info(self, song):
        embeds = []
        files = [discord.File(song.jacket_path, filename=f'jacket.png')]
        for difficulty in [ChartDifficulty.Easy, ChartDifficulty.Normal, ChartDifficulty.Hard, ChartDifficulty.Expert]:
            chart = song.charts[difficulty]
            embed = discord.Embed(title=f'{song.name} [{chart.difficulty.name}]')
            embed.set_thumbnail(url=f'attachment://jacket.png')
            embed.set_image(
                url=f'https://qwewqa.github.io/d4dj-dumps/{chart.image_path.relative_to(asset_manager.path).as_posix()}'
            )

            chart_data = chart.load_chart_data()
            note_counts = chart_data.get_note_counts()

            embed.add_field(name='Info',
                            value=f'Level: {chart.display_level}\n'
                                  f'Duration: {self.format_duration(self.get_music_duration(song))}\n'
                                  f'Unit: {song.special_unit_name or song.unit.name}\n'
                                  f'Category: {song.category.name}\n'
                                  f'BPM: {song.bpm}',
                            inline=False)
            embed.add_field(name='Combo',
                            value=f'Max Combo: {chart.note_counts[ChartSectionType.Full].count}\n'
                                  f'Taps: {note_counts["tap"]} (dark: {note_counts["tap1"]}, light: {note_counts["tap2"]})\n'
                                  f'Scratches: {note_counts["scratch"]} (left: {note_counts["scratch_left"]}, right: {note_counts["scratch_right"]})\n'
                                  f'Stops: {note_counts["stop"]} (head: {note_counts["stop_start"]}, tail: {note_counts["stop_end"]})\n'
                                  f'Long: {note_counts["long"]} (head: {note_counts["long_start"]}, tail: {note_counts["long_end"]})\n'
                                  f'Slide: {note_counts["slide"]} (tick: {note_counts["slide_tick"]}, flick {note_counts["slide_flick"]})',
                            inline=True)
            embed.add_field(name='Ratings',
                            value=f'NTS: {round(chart.trends[0] * 100, 2)}%\n'
                                  f'DNG: {round(chart.trends[1] * 100, 2)}%\n'
                                  f'SCR: {round(chart.trends[2] * 100, 2)}%\n'
                                  f'EFT: {round(chart.trends[3] * 100, 2)}%\n'
                                  f'TEC: {round(chart.trends[4] * 100, 2)}%\n',
                            inline=True)
            embed.set_footer(text='1 column = 10 seconds')

            embeds.append(embed)

        return embeds, files

    def get_mix_embed_info(self, song):
        embeds = []
        files = [discord.File(song.jacket_path, filename=f'jacket.png')]

        for difficulty in [ChartDifficulty.Easy, ChartDifficulty.Normal, ChartDifficulty.Hard, ChartDifficulty.Expert]:
            chart: ChartMaster = song.charts[difficulty]
            embed = discord.Embed(title=f'Mix: {song.name} [{chart.difficulty.name}]')
            embed.set_thumbnail(url=f'attachment://jacket.png')
            embed.set_image(
                url=f'https://qwewqa.github.io/d4dj-dumps/{chart.mix_path.relative_to(asset_manager.path).as_posix()}'
            )

            note_counts = chart.note_counts
            mix_info = chart.mix_info

            info = {
                'Level': chart.display_level,
                'Unit': song.unit.name,
                'BPM': song.bpm,
                'Section Trend': song.section_trend.name,
            }

            begin = {
                'Time': f'{round(mix_info[ChartSectionType.Begin].duration, 2)}s',
                'Combo': note_counts[ChartSectionType.Begin].count,
            }
            middle = {
                'Time': f'{round(mix_info[ChartSectionType.Middle].duration, 2)}s',
                'Combo': note_counts[ChartSectionType.Middle].count,
            }
            end = {
                'Time': f'{round(mix_info[ChartSectionType.End].duration, 2)}s',
                'Combo': note_counts[ChartSectionType.End].count,
            }

            embed.add_field(name='Info',
                            value=format_info(info),
                            inline=False)
            embed.add_field(name='Begin',
                            value=format_info(begin),
                            inline=True)
            embed.add_field(name='Middle',
                            value=format_info(middle),
                            inline=True)
            embed.add_field(name='End',
                            value=format_info(end),
                            inline=True)
            embed.set_footer(text='1 column = 10 seconds')

            embeds.append(embed)

        return embeds, files

    def parse_chart_args(self, arg: str) -> Tuple[str, ChartDifficulty]:
        split_args = arg.split()

        difficulty = ChartDifficulty.Expert
        if len(split_args) >= 2:
            final_word = split_args[-1]
            if final_word in self.difficulty_names:
                difficulty = self.difficulty_names[final_word]
                arg = ''.join(split_args[:-1])
        return arg, difficulty

    def get_song(self, name_or_id: str) -> Optional[MusicMaster]:
        try:
            song = asset_manager.music_master[int(name_or_id)]
            if song not in self.music.values():
                song = self.music[name_or_id]
            return song
        except (KeyError, ValueError):
            return self.music[name_or_id]

    def get_music_duration(self, music: MusicMaster):
        with contextlib.closing(wave.open(str(music.audio_path.with_name(music.audio_path.name + '.wav')), 'r')) as f:
            frames = f.getnframes()
            rate = f.getframerate()
            duration = frames / float(rate)
            return duration

    def format_duration(self, seconds):
        minutes = int(seconds // 60)
        seconds = round(seconds % 60, 2)
        return f'{minutes}:{str(int(seconds)).zfill(2)}.{str(int(seconds % 1 * 100)).zfill(2)}'


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