from discord import Embed
from redbot.core import commands
from redbot.core.utils.chat_formatting import bold, error, warning

from aurora.configuration.utils import get_bool_emoji, get_pagesize_str
from aurora.utilities.config import config

async def _core(ctx: commands.Context) -> Embed:
    """Generates the core embed for configuration menus to use."""
    e = Embed(
        title="Aurora Configuration Menu",
        color=await ctx.embed_color()
    )
    e.set_thumbnail(url=ctx.bot.user.display_avatar.url)
    return e

async def overrides(ctx: commands.Context) -> Embed:
    """Generates a configuration menu embed for a user's overrides."""

    override_settings = {
        "ephemeral": await config.user(ctx.author).history_ephemeral(),
        "inline": await config.user(ctx.author).history_inline(),
        "inline_pagesize": await config.user(ctx.author).history_inline_pagesize(),
        "pagesize": await config.user(ctx.author).history_pagesize(),
        "auto_evidenceformat": await config.user(ctx.author).auto_evidenceformat()
    }

    override_str = [
        '- ' + bold("Auto Evidence Format: ") + get_bool_emoji(override_settings['auto_evidenceformat']),
        '- ' + bold("Ephemeral: ") + get_bool_emoji(override_settings['ephemeral']),
        '- ' + bold("History Inline: ") + get_bool_emoji(override_settings['inline']),
        '- ' + bold("History Inline Pagesize: ") + get_pagesize_str(override_settings['inline_pagesize']),
        '- ' + bold("History Pagesize: ") + get_pagesize_str(override_settings['pagesize']),
    ]
    override_str = '\n'.join(override_str)

    e = await _core(ctx)
    e.title += ": User Overrides"
    e.description = """
    Use the buttons below to manage your user overrides.
    These settings will override the relevant guild settings.\n
    """ + override_str
    return e

async def guild(ctx: commands.Context) -> Embed:
    """Generates a configuration menu field value for a guild's settings."""

    guild_settings = {
        "show_moderator": await config.guild(ctx.guild).show_moderator(),
        "use_discord_permissions": await config.guild(ctx.guild).use_discord_permissions(),
        "ignore_modlog": await config.guild(ctx.guild).ignore_modlog(),
        "ignore_other_bots": await config.guild(ctx.guild).ignore_other_bots(),
        "dm_users": await config.guild(ctx.guild).dm_users(),
        "log_channel": await config.guild(ctx.guild).log_channel(),
        "history_ephemeral": await config.guild(ctx.guild).history_ephemeral(),
        "history_inline": await config.guild(ctx.guild).history_inline(),
        "history_pagesize": await config.guild(ctx.guild).history_pagesize(),
        "history_inline_pagesize": await config.guild(ctx.guild).history_inline_pagesize(),
        "auto_evidenceformat": await config.guild(ctx.guild).auto_evidenceformat(),
    }

    channel = ctx.guild.get_channel(guild_settings['log_channel'])
    if channel is None:
        channel = warning("Not Set")
    else:
        channel = channel.mention

    guild_str = [
        '- '+ bold("Show Moderator: ") + get_bool_emoji(guild_settings['show_moderator']),
        '- '+ bold("Use Discord Permissions: ") + get_bool_emoji(guild_settings['use_discord_permissions']),
        '- '+ bold("Ignore Modlog: ") + get_bool_emoji(guild_settings['ignore_modlog']),
        '- '+ bold("Ignore Other Bots: ") + get_bool_emoji(guild_settings['ignore_other_bots']),
        '- '+ bold("DM Users: ") + get_bool_emoji(guild_settings['dm_users']),
        '- '+ bold("Auto Evidence Format: ") + get_bool_emoji(guild_settings['auto_evidenceformat']),
        '- '+ bold("Ephemeral: ") + get_bool_emoji(guild_settings['history_ephemeral']),
        '- '+ bold("History Inline: ") + get_bool_emoji(guild_settings['history_inline']),
        '- '+ bold("History Pagesize: ") + get_pagesize_str(guild_settings['history_pagesize']),
        '- '+ bold("History Inline Pagesize: ") + get_pagesize_str(guild_settings['history_inline_pagesize']),
        '- '+ bold("Log Channel: ") + channel
    ]
    guild_str = '\n'.join(guild_str)

    e = await _core(ctx)
    e.title += ": Server Configuration"
    e.description = """
    Use the buttons below to manage Aurora's server configuration.\n
    """ + guild_str
    return e

async def addrole(ctx: commands.Context) -> Embed:
    """Generates a configuration menu field value for a guild's addrole whitelist."""

    whitelist = await config.guild(ctx.guild).addrole_whitelist()
    if whitelist:
        whitelist = [ctx.guild.get_role(role).mention or error(f"`{role}` (Not Found)") for role in whitelist]
        whitelist = '\n'.join(whitelist)
    else:
        whitelist = warning("No roles are on the addrole whitelist!")

    e = await _core(ctx)
    e.title += ": Addrole Whitelist"
    e.description = "Use the select menu below to manage this guild's addrole whitelist."

    if len(whitelist) > 4000 and len(whitelist) < 5000:
        lines = whitelist.split('\n')
        chunks = []
        chunk = ""
        for line in lines:
            if len(chunk) + len(line) > 1024:
                chunks.append(chunk)
                chunk = line
            else:
                chunk += '\n' + line if chunk else line
        chunks.append(chunk)

        for chunk in chunks:
            e.add_field(name="", value=chunk)
    else:
        e.description += '\n\n' + whitelist

    return e

async def immune(ctx: commands.Context) -> Embed:
    """Generates a configuration menu field value for a guild's immune roles."""

    immune_roles = await config.guild(ctx.guild).immune_roles()
    if immune_roles:
        immune_str = [ctx.guild.get_role(role).mention or error(f"`{role}` (Not Found)") for role in immune_roles]
        immune_str = '\n'.join(immune_str)
    else:
        immune_str = warning("No roles are set as immune roles!")

    e = await _core(ctx)
    e.title += ": Immune Roles"
    e.description = "Use the select menu below to manage this guild's immune roles."

    if len(immune_str) > 4000 and len(immune_str) < 5000:
        lines = immune_str.split('\n')
        chunks = []
        chunk = ""
        for line in lines:
            if len(chunk) + len(line) > 1024:
                chunks.append(chunk)
                chunk = line
            else:
                chunk += '\n' + line if chunk else line
        chunks.append(chunk)

        for chunk in chunks:
            e.add_field(name="", value=chunk)
    else:
        e.description += '\n\n' + immune_str

    return e