from time import time_ns

from telethon import Button

from ubot import ldr

bot_name = ldr.settings.get_config("bot_name") or "bot"


@ldr.add("del", no_disable=True, help="Deletes messages from this bot, it's a safety feature.")
async def delete_message(event):
    message_to_delete = await event.get_reply_message()

    if message_to_delete and message_to_delete.sender_id == (await event.client.get_me()).id:
        await message_to_delete.delete()


@ldr.add("start", no_disable=True, help="A start command to start the bot so you know what this bot is capable of when you start it, dumbass.")
async def start_cmd(event):
    await event.reply(
        f"Hi I'm {ldr.settings.get_config('bot_name') or 'μBot'}, use /help to see what commands I have!\n\n"
        "You can toggle NSFW commands using /nsfw [on|off] and view what I store using /privacy.",
        buttons=[Button.url("Creator", "https://t.me/Nick80835"), Button.url("Source", "https://github.com/Nick80835/microbot/tree/bot")]
    )


@ldr.add("help", no_disable=True, pass_nsfw=True)
async def help_cmd(event):
    if event.args:
        for command in ldr.command_handler.all_incoming_commands:
            if not command.hide_help:
                if event.args == command.pattern:
                    if command.help:
                        await event.reply(f"Help for **{command.pattern}**: __{command.help}__")
                        return

                    await event.reply(f"**{command.pattern}** doesn't have a help string.")
                    return

    help_dict = {}

    for command in ldr.command_handler.all_incoming_commands:
        if not command.hide_help:
            if not event.nsfw_disabled or (event.nsfw_disabled and not command.nsfw):
                if command.module in help_dict:
                    help_dict[command.module].append(command.pattern)
                else:
                    help_dict[command.module] = [command.pattern]

    help_string = "\n".join([f"<u>{module}</u>: {', '.join(pattern_list)}" for module, pattern_list in help_dict.items()])

    prefix_help = f"<b>Bot prefix:</b> {ldr.prefix()}\n<b>Group prefix:</b> {event.chat_db.prefix}\n\n"

    await event.reply(f"{prefix_help}<b>Available commands:</b>\n\n{help_string}", parse_mode="html")


@ldr.add("privacy", force_standard_prefix=True)
async def privacy_policy(event):
    await event.reply(
        f"This bot (\"**{bot_name}**\") stores the IDs of chats in which it receives messages as well as configurations associated with those chats such as command prefixes and disabled commands. "
         "This includes private 1-on-1 chats, private groups, public groups and channels.\n\n"
        f"You may delete this chat (with ID `{event.chat.id}`) and data associated with it from my database using `{ldr.prefix()}clearconfig` if you have sufficient permissions. "
        "If a message is received in this chat after the configuration for this chat is deleted, a new database entry for this chat will be created."
    )


@ldr.add("clearconfig", admin=True, hide_help=True, no_disable=True, no_private=True, silent_bail=True)
async def clear_config(event):
    ldr.db.del_chat(event.chat.id)
    await event.reply("Group config cleared.")


@ldr.add("clearconfig", no_disable=True, private_only=True, silent_bail=True)
async def clear_config_private(event):
    ldr.db.del_chat(event.chat.id)
    await event.reply("Private config cleared.")


@ldr.add("prefix", admin=True, no_private=True)
async def set_group_prefix(event):
    if not event.args:
        await event.reply(f"With this command you can set a custom prefix to replace `/`, the current prefix for this group is `{event.chat_db.prefix}` and this bot will always respond to `{ldr.prefix()}`")
        return

    if len(event.args) > 3:
        await event.reply("Custom prefixes must be at most 3 characters long!")
        return

    event.chat_db.prefix = event.args
    await event.reply(f"Successfully set this group's prefix to `{event.args}`!")


@ldr.add("sudohelp", sudo=True)
async def sudohelp(event):
    if event.args:
        for command in ldr.command_handler.all_incoming_commands:
            if command.hide_help:
                if event.args == command.pattern:
                    if command.help:
                        await event.reply(f"Help for **{command.pattern}**: __{command.help}__")
                        return

                    await event.reply(f"**{command.pattern}** doesn't have a help string.")
                    return

    help_dict = {}

    for command in ldr.command_handler.all_incoming_commands:
        if command.hide_help:
            if command.module in help_dict:
                help_dict[command.module].append(command.pattern)
            else:
                help_dict[command.module] = [command.pattern]

    help_string = "\n".join([f"**{module}**: {', '.join(pattern_list)}" for module, pattern_list in help_dict.items()])

    await event.reply(f"**Available hidden commands:**\n\n{help_string}")


@ldr.add("ping", hide_help=True)
async def ping(event):
    start = time_ns()
    ping_msg = await event.reply("Ping…")
    time_taken_ms = int((time_ns() - start) / 1000000)
    await ping_msg.edit(f"Ping… Pong! -> **{time_taken_ms}**ms")


@ldr.add("repo")
async def bot_repo(event):
    await event.reply("https://github.com/Nick80835/microbot/tree/bot")


@ldr.add("disable", admin=True, no_private=True, help="Disables commands in the current chat, requires admin.")
async def disable_command(event):
    if event.args:
        for command in ldr.command_handler.all_incoming_commands:
            if event.args == command.pattern:
                if command.not_disableable:
                    await event.reply(f"**{command.pattern}** cannot be disabled!")
                    return

                await event.reply(f"Disabling **{command.pattern}** in chat **{event.chat.id}**!")
                event.chat_db.disable_command(command.pattern)
                return

        await event.reply(f"**{event.args}** is not a command!")
    else:
        await event.reply("Specify a command to disable!")


@ldr.add("enable", admin=True, no_private=True, help="Enables commands in the current chat, requires admin.")
async def enable_command(event):
    if event.args:
        for command in ldr.command_handler.all_incoming_commands:
            if event.args == command.pattern:
                await event.reply(f"Enabling **{command.pattern}** in chat **{event.chat.id}**!")
                event.chat_db.enable_command(command.pattern)
                return

        await event.reply(f"**{event.args}** is not a command!")
    else:
        await event.reply("Specify a command to enable!")


@ldr.add("showdisabled", admin=True, no_private=True, help="Shows disabled commands in the current chat.")
async def show_disabled(event):
    disabled_list = event.chat_db.disabled_commands

    if disabled_list:
        disabled_commands = "\n".join(disabled_list)
        await event.reply(f"Disabled commands in **{event.chat.id}**:\n\n{disabled_commands}")
    else:
        await event.reply(f"There are no disabled commands in **{event.chat.id}**!")


@ldr.add("nsfw", admin=True, no_private=True, help="Enables or disables NSFW commands for a chat, requires admin.")
async def nsfw_toggle(event):
    if event.args.lower() not in ("on", "off"):
        if event.chat_db.nsfw_enabled:
            current_config = 'On'
        else:
            current_config = 'Off'

        await event.reply(f"Syntax: {event.prefix}nsfw (on|off)\nCurrent config for this chat: {current_config}")
        return

    if event.args == "on":
        event.chat_db.nsfw_enabled = True
        await event.reply("NSFW commands enabled for this chat!")
    elif event.args == "off":
        event.chat_db.nsfw_enabled = False
        await event.reply("NSFW commands disabled for this chat!")


@ldr.add("spoilernsfw", admin=True, no_private=True, help="Enables or disables spoilering NSFW media for a chat, requires admin.")
async def spoiler_nsfw_toggle(event):
    if event.args.lower() not in ("on", "off"):
        if event.chat_db.spoiler_nsfw:
            current_config = 'On'
        else:
            current_config = 'Off'

        await event.reply(f"Syntax: {event.prefix}spoilernsfw (on|off)\nCurrent config for this chat: {current_config}\nDisclaimer: This may not always function as expected.")
        return

    if event.args == "on":
        event.chat_db.spoiler_nsfw = True
        await event.reply("NSFW spoilers enabled for this chat!")
    elif event.args == "off":
        event.chat_db.spoiler_nsfw = False
        await event.reply("NSFW spoilers disabled for this chat!")


@ldr.add("fun", admin=True, no_private=True, help="Enables or disables fun commands for a chat, requires admin.")
async def fun_toggle(event):
    if event.args.lower() not in ("on", "off"):
        if event.chat_db.fun_enabled:
            current_config = 'On'
        else:
            current_config = 'Off'

        await event.reply(f"Syntax: {event.prefix}fun (on|off)\nCurrent config for this chat: {current_config}")
        return

    if event.args.lower() == "on":
        event.chat_db.fun_enabled = True
        await event.reply("Fun commands enabled for this chat!")
    elif event.args.lower() == "off":
        event.chat_db.fun_enabled = False
        await event.reply("Fun commands disabled for this chat!")


@ldr.add("modmode", admin=True, no_private=True, help="Enables or disables moderation commands for a chat, requires admin.\n**MAY BE UNSTABLE!**")
async def modmode_toggle(event):
    if event.args.lower() not in ("on", "off"):
        if event.chat_db.modmode_enabled:
            current_config = 'On'
        else:
            current_config = 'Off'

        await event.reply(f"Syntax: {event.prefix}modmode (on|off)\nCurrent config for this chat: {current_config}")
        return

    if event.args == "on":
        event.chat_db.modmode_enabled = True
        await event.reply("Moderation commands enabled for this chat!")
    elif event.args == "off":
        event.chat_db.modmode_enabled = False
        await event.reply("Moderation commands disabled for this chat!")