import discord

# Formatting
def difficulty(song):
    result =  ""
    for dif in ['d_kantan', 'd_futsuu', 'd_muzukashii', 'd_oni', 'd_ura']:
        rate = song[dif]
        if not rate:
            rate="-"
        result += str(rate) + '/'
    return result[:-1]


async def song_namecard(song, bot, en=True):
    url     = await bot.conf.url()
    title   = song['title_en']         if en else song['title_orig']
    genre   = song['genre']['name_en'] if en else song['genre']['name_jp']
    charter = song['charter']['charter_name']

    artists = []
    for a in song['artists']:
        if en: artists.append(a['name_en'])
        else:  artists.append(a['name_orig'])
    artists = " & ".join(sorted(artists))

    name  = f"**{title}** by {artists} ({genre})"
    body  = f"> Charter: {charter} | {song['bpm']}bpm | {difficulty(song)}\n"
    body += f"> DL: [Original]({url}/download/orig/{song['_id']})"
    body += f"  -  [English]({url}/download/eng/{song['_id']})"
    return {'name': name, 'value': body}


# Embeds
async def embed_search(term, songs, bot):
    embed = discord.Embed(title = f"__**Results for: {term}**__",
                          color = int(await bot.conf.color_search(), 16))
    for song in songs:
        embed.add_field( **await song_namecard(song, bot=bot, en=True), inline=False)
    return embed


async def embed_random(song, bot):
    embed = discord.Embed(title = f"__**Random Song**__",
                          color = int(await bot.conf.color_random(), 16))
    embed.add_field( **await song_namecard(song, bot, en=True) )
    return embed


async def embed_sotd(song, bot):
    embed = discord.Embed(title = "__**Song of the Day**__",
                          color = int(await bot.conf.color_sotd(), 16))
    embed.add_field( **await song_namecard(song, bot, en=True) )
    return embed


def embed_color(name, color):
    embed = discord.Embed(color = int(color, 16))
    embed.add_field(name=name, value=f"#{color}")
    return embed