from __future__ import annotations

import datetime
import logging
import os
import sys
from typing import TYPE_CHECKING, Any

import discord
import sentry_sdk
from apscheduler import events
from apscheduler.job import Job
from discord.abc import PrivateChannel
from discord_webhook import DiscordWebhook
from dotenv import load_dotenv
from loguru import logger

from discord_reminder_bot.commands.backup import backup_reminder_job
from discord_reminder_bot.commands.event import add_discord_event
from discord_reminder_bot.commands.list import list_reminder_job
from discord_reminder_bot.commands.pause import pause_reminder_job
from discord_reminder_bot.commands.remove import remove_reminder_job
from discord_reminder_bot.commands.restore import restore_reminder_job
from discord_reminder_bot.commands.unpause import unpause_reminder
from discord_reminder_bot.parsers import calculate, parse_time
from discord_reminder_bot.settings import scheduler

if TYPE_CHECKING:
    from apscheduler.events import JobExecutionEvent
    from apscheduler.job import Job
    from apscheduler.schedulers.asyncio import AsyncIOScheduler
    from discord.interactions import InteractionChannel
    from requests import Response


logger.remove()
logger.add(
    sys.stdout,
    format="<green>{time:YYYY-MM-DD at HH:mm:ss}</green> | <cyan>{name}</cyan>:<cyan>{function}</cyan>:<cyan>{line}</cyan> - <level>{message}</level>",
    level=logging.DEBUG,
)


def my_listener(event: JobExecutionEvent) -> None:
    """Listener for job events.

    Args:
        event: The event that occurred.
    """
    logger.debug(f"Job event: {event=}")

    # TODO(TheLovinator): We should save the job state to a file and send it to Discord.  # noqa: TD003
    if event.code == events.EVENT_JOB_MISSED:
        scheduled_time: str = event.scheduled_run_time.strftime("%Y-%m-%d %H:%M:%S")
        msg: str = f"Job {event.job_id} was missed! Was scheduled at {scheduled_time}"
        send_webhook(message=msg)

    if event.exception:
        logger.error(f"discord-reminder-bot failed to send message to Discord\n{event}")
        with sentry_sdk.push_scope() as scope:
            scope.set_extra("job_id", event.job_id)
            scope.set_extra("scheduled_run_time", event.scheduled_run_time.isoformat() if event.scheduled_run_time else "None")
            scope.set_extra("event_code", event.code)
            sentry_sdk.capture_exception(event.exception)
        err_msg: str = (
            f"discord-reminder-bot failed to send message to Discord\n"
            f"Job ID: {event.job_id}\n"
            f"Scheduled run time: {event.scheduled_run_time.isoformat() if event.scheduled_run_time else 'None'}\n"
            f"Event code: {event.code}\n"
            f"Exception: {event.exception}\n"
            "```python\n"
            f"{event.traceback}\n"
            "```"
        )
        send_webhook(message=err_msg)
        raise event.exception


class RemindBotClient(discord.Client):
    """The bot client for the Discord Reminder Bot."""

    def __init__(self, *, intents: discord.Intents) -> None:
        """Initialize the bot client and command tree.

        Args:
            intents: The intents to use.
        """
        super().__init__(intents=intents)
        self.tree = discord.app_commands.CommandTree(self)

    async def on_error(self, event_method: str, *args: list[Any], **kwargs: dict[str, Any]) -> None:
        """Log errors that occur in the bot."""
        logger.exception(f"An error occurred in {event_method} with args: {args} and kwargs: {kwargs}")
        with sentry_sdk.push_scope() as scope:
            # Add event details
            scope.set_tag("event_method", event_method)
            scope.set_extra("args", args)
            scope.set_extra("kwargs", kwargs)
            # Add bot state
            scope.set_tag("bot_user_id", self.user.id if self.user else "Unknown")
            scope.set_tag("bot_user_name", str(self.user) if self.user else "Unknown")
            scope.set_tag("bot_latency", self.latency)
            # If specific arguments are available, extract and add details
            if args:
                interaction = next((arg for arg in args if isinstance(arg, discord.Interaction)), None)
                if interaction:
                    scope.set_extra("interaction_id", interaction.id)
                    scope.set_extra("interaction_user", interaction.user.id)
                    scope.set_extra("interaction_user_tag", str(interaction.user))
                    scope.set_extra("interaction_command", interaction.command.name if interaction.command else None)
                    scope.set_extra("interaction_channel", str(interaction.channel))
                    scope.set_extra("interaction_guild", str(interaction.guild) if interaction.guild else None)
                    # Add Sentry tags for interaction details
                    scope.set_tag("interaction_id", interaction.id)
                    scope.set_tag("interaction_user_id", interaction.user.id)
                    scope.set_tag("interaction_user_tag", str(interaction.user))
                    scope.set_tag("interaction_command", interaction.command.name if interaction.command else "None")
                    scope.set_tag("interaction_channel_id", interaction.channel.id if interaction.channel else "None")
                    scope.set_tag("interaction_channel_name", str(interaction.channel))
                    scope.set_tag("interaction_guild_id", interaction.guild.id if interaction.guild else "None")
                    scope.set_tag("interaction_guild_name", str(interaction.guild) if interaction.guild else "None")

            # Add APScheduler context
            scope.set_extra("scheduler_jobs", [job.id for job in scheduler.get_jobs()])
            sentry_sdk.capture_exception()

    async def on_ready(self) -> None:
        """Log when the bot is ready."""
        logger.info(f"Logged in as {self.user} ({self.user.id if self.user else 'Unknown'})")

        jobs: list[Job] = scheduler.get_jobs()
        if not jobs:
            logger.info("No jobs available.")
            return

        logger.info("Jobs available:")
        try:
            for job in jobs:
                msg: str = job.kwargs.get("message", "") if (job.kwargs and isinstance(job.kwargs, dict)) else ""
                time: str = "Paused"
                if hasattr(job, "next_run_time") and job.next_run_time and isinstance(job.next_run_time, datetime.datetime):
                    time = job.next_run_time.strftime("%Y-%m-%d %H:%M:%S")
                logger.info(f"\t{job.id}: {job.name} - {time} - {msg}")

        except (AttributeError, LookupError):
            logger.exception("Failed to loop through jobs")
        scheduler.start()
        scheduler.add_listener(my_listener)

    async def setup_hook(self) -> None:
        """Setup the bot."""
        await self.tree.sync()

    def on_shutdown(self) -> None:
        """Log when the bot is shutting down."""
        logger.info("Shutting down...")
        scheduler.shutdown()


def add_reminder_job(
    message: str,
    time: str,
    channel_id: int,
    author_id: int,
    user_id: int | None = None,
    guild_id: int | None = None,
    dm_and_current_channel: bool | None = None,
) -> str:
    """Adds a reminder job to the scheduler based on user input.

    Schedules a message to be sent at a specified time either to a specific channel,
    a specific user via direct message, or both. It handles permission checks,
    time parsing, and job creation using the APScheduler instance.

    Args:
        message: The content of the reminder message to be sent.
        time: A string representing the date and time for the reminder.
            This string will be parsed to a datetime object.
        channel_id: The ID of the channel where the reminder will be sent.
        user_id: The Discord ID of the user to send a DM to. If None, no DM is sent.
        guild_id: The ID of the guild (server) where the reminder is set.
        author_id: The ID of the user who created the reminder.
        dm_and_current_channel: If True and a user is specified, sends the
            reminder to both the user's DM and the target channel. If False
            and a user is specified, only sends the DM. Defaults to None,
            behaving like False if only a user is specified, or sending only
            to the channel if no user is specified.

    Returns:
        The response message indicating the status of the reminder job creation.
    """
    dm_message: str = ""
    if user_id:
        parsed_time: datetime.datetime | None = parse_time(date_to_parse=time)
        if not parsed_time:
            return f"Failed to parse time: {time}."

        user_reminder: Job = scheduler.add_job(
            func="discord_reminder_bot.main:send_to_user",
            trigger="date",
            run_date=parsed_time,
            kwargs={
                "user_id": user_id,
                "guild_id": guild_id,
                "message": message,
            },
        )
        logger.info(f"User reminder job created: {user_reminder} for {user_id} at {parsed_time}")

        dm_message = f" and a DM to <@{user_id}>"
        if not dm_and_current_channel:
            return (
                f"Hello <@{author_id}>,\n"
                f"I will send a DM to <@{user_id}> at:\n"
                f"First run in {calculate(user_reminder)} with the message:\n**{message}**."
            )

    # Create channel reminder job
    channel_job: Job = scheduler.add_job(
        func="discord_reminder_bot.main:send_to_discord",
        trigger="date",
        run_date=parse_time(date_to_parse=time),
        kwargs={
            "channel_id": channel_id,
            "message": message,
            "author_id": author_id,
        },
    )
    logger.info(f"Channel reminder job created: {channel_job} for {channel_id}")

    return (
        f"Hello <@{author_id}>,\n"
        f"I will notify you in <#{channel_id}>{dm_message}.\n"
        f"First run in {calculate(channel_job)} with the message:\n**{message}**."
    )


async def cron_reminder_job(
    interaction: discord.Interaction,
    scheduler: AsyncIOScheduler,
    message: str,
    year: str | None = None,
    month: str | None = None,
    day: str | None = None,
    week: str | None = None,
    day_of_week: str | None = None,
    hour: str | None = None,
    minute: str | None = None,
    second: str | None = None,
    start_date: str | None = None,
    end_date: str | None = None,
    timezone: str | None = None,
    jitter: int | None = None,
    channel: discord.TextChannel | None = None,
    user: discord.User | None = None,
    dm_and_current_channel: bool | None = None,
) -> None:
    """Create a new cron job.

    Args that are None will be defaulted to *.

    Args:
        interaction (discord.Interaction): The interaction object for the command.
        scheduler (AsyncIOScheduler): The scheduler to add the job to.
        message (str): The content of the reminder.
        year (str): 4-digit year. Defaults to *.
        month (str): Month (1-12). Defaults to *.
        day (str): Day of the month (1-31). Defaults to *.
        week (str): ISO Week of the year (1-53). Defaults to *.
        day_of_week (str): Number or name of weekday (0-6 or mon,tue,wed,thu,fri,sat,sun).
        hour (str): Hour (0-23). Defaults to *.
        minute (str): Minute (0-59). Defaults to *.
        second (str): Second (0-59). Defaults to *.
        start_date (str): Earliest possible date/time to trigger on (inclusive). Will get parsed.
        end_date (str): Latest possible date/time to trigger on (inclusive). Will get parsed.
        timezone (str): Time zone to use for the date/time calculations Defaults to scheduler timezone.
        jitter (int, optional): Delay the job execution by jitter seconds at most.
        channel (discord.TextChannel, optional): The channel to send the reminder to. Defaults to current channel.
        user (discord.User, optional): Send reminder as a DM to this user. Defaults to None.
        dm_and_current_channel (bool, optional): If user is provided, send reminder as a DM to the user and in this channel. Defaults to only the user.
    """
    # Log kwargs
    logger.info("New cron job from %s (%s) in %s", interaction.user, interaction.user.id, interaction.channel)
    logger.info("Cron job arguments: %s", locals())

    # Get the channel ID
    channel_id: int | None = channel.id if channel else (interaction.channel.id if interaction.channel else None)
    if not channel_id:
        await interaction.followup.send(content="Failed to get channel.", ephemeral=True)
        return

    # Ensure the guild is valid
    guild: discord.Guild | None = interaction.guild or None
    if not guild:
        await interaction.followup.send(content="Failed to get guild.", ephemeral=True)
        return

    # Create user DM reminder job if user is specified
    dm_message: str = ""
    if user:
        user_reminder: Job = scheduler.add_job(
            func="discord_reminder_bot.main:send_to_user",
            trigger="cron",
            year=year,
            month=month,
            day=day,
            week=week,
            day_of_week=day_of_week,
            hour=hour,
            minute=minute,
            second=second,
            start_date=start_date,
            end_date=end_date,
            timezone=timezone,
            jitter=jitter,
            kwargs={
                "user_id": user.id,
                "guild_id": guild.id,
                "message": message,
            },
        )

        dm_message = f" and a DM to {user.display_name}"
        if not dm_and_current_channel:
            await interaction.followup.send(
                content=f"Hello {interaction.user.display_name},\n"
                f"I will send a DM to {user.display_name} at:\n"
                f"First run in {calculate(user_reminder)} with the message:\n**{message}**.",
            )
            return

    # Create channel reminder job
    channel_job: Job = scheduler.add_job(
        func="discord_reminder_bot.main:send_to_discord",
        trigger="cron",
        year=year,
        month=month,
        day=day,
        week=week,
        day_of_week=day_of_week,
        hour=hour,
        minute=minute,
        second=second,
        start_date=start_date,
        end_date=end_date,
        timezone=timezone,
        jitter=jitter,
        kwargs={
            "channel_id": channel_id,
            "message": message,
            "author_id": interaction.user.id,
        },
    )

    await interaction.followup.send(
        content=f"Hello {interaction.user.display_name},\n"
        f"I will notify you in <#{channel_id}>{dm_message}.\n"
        f"First run in {calculate(channel_job)} with the message:\n**{message}**.",
    )


async def interval_reminder_job(
    interaction: discord.Interaction,
    message: str,
    weeks: int = 0,
    days: int = 0,
    hours: int = 0,
    minutes: int = 0,
    seconds: int = 0,
    start_date: str | None = None,
    end_date: str | None = None,
    timezone: str | None = None,
    jitter: int | None = None,
    channel: discord.TextChannel | None = None,
    user: discord.User | None = None,
    dm_and_current_channel: bool | None = None,
) -> None:
    """Create a new reminder that triggers based on an interval.

    Args:
        interaction (discord.Interaction): The interaction object for the command.
        message (str): The content of the reminder.
        weeks (int, optional): Number of weeks between each run. Defaults to 0.
        days (int, optional): Number of days between each run. Defaults to 0.
        hours (int, optional): Number of hours between each run. Defaults to 0.
        minutes (int, optional): Number of minutes between each run. Defaults to 0.
        seconds (int, optional): Number of seconds between each run. Defaults to 0.
        start_date (str, optional): Earliest possible date/time to trigger on (inclusive). Will get parsed.
        end_date (str, optional): Latest possible date/time to trigger on (inclusive). Will get parsed.
        timezone (str, optional): Time zone to use for the date/time calculations Defaults to scheduler timezone.
        jitter (int, optional): Delay the job execution by jitter seconds at most.
        channel (discord.TextChannel, optional): The channel to send the reminder to. Defaults to current channel.
        user (discord.User, optional): Send reminder as a DM to this user. Defaults to None.
        dm_and_current_channel (bool, optional): If user is provided, send reminder as a DM to the user and in this channel. Defaults to only the user.
    """
    logger.info("New interval job from %s (%s) in %s", interaction.user, interaction.user.id, interaction.channel)
    logger.info("Arguments: %s", locals())

    # Only allow intervals of 30 seconds or more so we don't spam the channel
    if weeks == days == hours == minutes == 0 and seconds < 30:
        await interaction.followup.send(content="Interval must be at least 30 seconds.", ephemeral=True)
        return

    # Check if we have access to the specified channel or the current channel
    target_channel: InteractionChannel | None = channel or interaction.channel
    if target_channel and interaction.guild and not target_channel.permissions_for(interaction.guild.me).send_messages:
        await interaction.followup.send(
            content=f"I don't have permission to send messages in <#{target_channel.id}>.",
            ephemeral=True,
        )

    # Get the channel ID
    channel_id: int | None = channel.id if channel else (interaction.channel.id if interaction.channel else None)
    if not channel_id:
        await interaction.followup.send(content="Failed to get channel.", ephemeral=True)
        return

    # Ensure the guild is valid
    guild: discord.Guild | None = interaction.guild or None
    if not guild:
        await interaction.followup.send(content="Failed to get guild.", ephemeral=True)
        return

    # Create user DM reminder job if user is specified
    dm_message: str = ""
    if user:
        dm_job: Job = scheduler.add_job(
            func="discord_reminder_bot.main:send_to_user",
            trigger="interval",
            weeks=weeks,
            days=days,
            hours=hours,
            minutes=minutes,
            seconds=seconds,
            start_date=start_date,
            end_date=end_date,
            timezone=timezone,
            jitter=jitter,
            kwargs={
                "user_id": user.id,
                "guild_id": guild.id,
                "message": message,
            },
        )

        dm_message = f" and a DM to {user.display_name} "
        if not dm_and_current_channel:
            await interaction.followup.send(
                content=f"Hello {interaction.user.display_name},\n"
                f"I will send a DM to {user.display_name} at:\n"
                f"First run in {calculate(dm_job)} with the message:\n**{message}**.",
            )

    # Create channel reminder job
    # TODO(TheLovinator): Test that "discord_reminder_bot.main:send_to_discord" is always there  # noqa: TD003
    channel_job: Job = scheduler.add_job(
        func="discord_reminder_bot.main:send_to_discord",
        trigger="interval",
        weeks=weeks,
        days=days,
        hours=hours,
        minutes=minutes,
        seconds=seconds,
        start_date=start_date,
        end_date=end_date,
        timezone=timezone,
        jitter=jitter,
        kwargs={
            "channel_id": channel_id,
            "message": message,
            "author_id": interaction.user.id,
        },
    )

    await interaction.followup.send(
        content=f"Hello {interaction.user.display_name},\n"
        f"I will notify you in <#{channel_id}>{dm_message}.\n"
        f"First run in {calculate(channel_job)} with the message:\n**{message}**.",
    )


class RemindGroup(discord.app_commands.Group):
    """Base class for the /remind commands."""

    def __init__(self) -> None:
        """Initialize the remind group."""
        super().__init__(name="remind", description="Group for remind commands")
        """Group for remind commands."""

    # /remind add
    @discord.app_commands.command(name="add", description="Add a new reminder")
    async def add(
        self,
        interaction: discord.Interaction,
        message: str,
        time: str,
        channel: discord.TextChannel | None = None,
        user: discord.User | None = None,
        dm_and_current_channel: bool | None = None,
    ) -> None:
        """Add a new reminder.

        Args:
            interaction (discord.Interaction): The interaction object for the command.
            message (str): The content of the reminder.
            time (str): The time of the reminder. (e.g. Friday at 3 PM)
            channel (discord.TextChannel, optional): The channel to send the reminder to. Defaults to current channel.
            user (discord.User, optional): Send reminder as a DM to this user. Defaults to None.
            dm_and_current_channel (bool, optional): Send reminder as a DM to the user and in this channel. Defaults to False.
        """
        logger.info(f"New reminder from {interaction.user} ({interaction.user.id}) in {interaction.channel}")
        logger.debug(f"Arguments: {locals()}")

        if not interaction.guild:
            await interaction.response.send_message(content="Failed to get guild.", ephemeral=True)
            return

        # Check if we should send the reminder to the specified channel or the current channel
        # TODO(TheLovinator): Check if we have access to the specified channel or the current channel  # noqa: TD003
        target_channel: InteractionChannel | None = channel or interaction.channel
        channel_id: int | None = target_channel.id if target_channel else None
        if not channel_id:
            await interaction.response.send_message(content="Failed to get channel.", ephemeral=True)
            return

        msg: str = add_reminder_job(
            author_id=interaction.user.id,
            message=message,
            time=time,
            channel_id=channel_id,
            guild_id=interaction.guild.id,
            user_id=user.id if user else None,
            dm_and_current_channel=dm_and_current_channel,
        )
        await interaction.response.send_message(content=msg)

    # /remind event
    @discord.app_commands.command(name="event", description="Add a new Discord event.")
    async def add_event(
        self,
        interaction: discord.Interaction,
        message: str,
        event_start: str,
        event_end: str,
        location: str,
        reason: str | None = None,
    ) -> None:
        """Add a new reminder.

        Args:
            interaction (discord.Interaction): The interaction object for the command.
            message (str): The description of the scheduled event.
            event_start (str): The scheduled start time of the scheduled event. Will get parsed.
            event_end (str, optional): The scheduled end time of the scheduled event. Will get parsed.
            reason (str, optional): The reason for creating this scheduled event. Shows up on the audit log.
            location (str, optional): The location of the scheduled event.
        """
        await interaction.response.defer()
        return await add_discord_event(
            interaction=interaction,
            message=message,
            event_start=event_start,
            event_end=event_end,
            location=location,
            reason=reason,
        )

    # /remind list
    @discord.app_commands.command(name="list", description="List, pause, unpause, and remove reminders.")
    async def list(self, interaction: discord.Interaction) -> None:
        """List all reminders with pagination and buttons for deleting and modifying jobs.

        Args:
            interaction(discord.Interaction): The interaction object for the command.
        """
        await interaction.response.defer()
        return await list_reminder_job(
            interaction=interaction,
            scheduler=scheduler,
        )

    # /remind cron
    @discord.app_commands.command(name="cron", description="Create new cron job. Works like UNIX cron.")
    async def cron(
        self,
        interaction: discord.Interaction,
        message: str,
        year: str | None = None,
        month: str | None = None,
        day: str | None = None,
        week: str | None = None,
        day_of_week: str | None = None,
        hour: str | None = None,
        minute: str | None = None,
        second: str | None = None,
        start_date: str | None = None,
        end_date: str | None = None,
        timezone: str | None = None,
        jitter: int | None = None,
        channel: discord.TextChannel | None = None,
        user: discord.User | None = None,
        dm_and_current_channel: bool | None = None,
    ) -> None:
        """Create a new cron job.

        Args that are None will be defaulted to *.

        Args:
            interaction (discord.Interaction): The interaction object for the command.
            message (str): The content of the reminder.
            year (str): 4-digit year. Defaults to *.
            month (str): Month (1-12). Defaults to *.
            day (str): Day of the month (1-31). Defaults to *.
            week (str): ISO Week of the year (1-53). Defaults to *.
            day_of_week (str): Number or name of weekday (0-6 or mon,tue,wed,thu,fri,sat,sun).
            hour (str): Hour (0-23). Defaults to *.
            minute (str): Minute (0-59). Defaults to *.
            second (str): Second (0-59). Defaults to *.
            start_date (str): Earliest possible date/time to trigger on (inclusive). Will get parsed.
            end_date (str): Latest possible date/time to trigger on (inclusive). Will get parsed.
            timezone (str): Time zone to use for the date/time calculations Defaults to scheduler timezone.
            jitter (int, optional): Delay the job execution by jitter seconds at most.
            channel (discord.TextChannel, optional): The channel to send the reminder to. Defaults to current channel.
            user (discord.User, optional): Send reminder as a DM to this user. Defaults to None.
            dm_and_current_channel (bool, optional): If user is provided, send reminder as a DM to the user and in this channel. Defaults to only the user.
        """
        await interaction.response.defer()
        return await cron_reminder_job(
            interaction=interaction,
            scheduler=scheduler,
            message=message,
            year=year,
            month=month,
            day=day,
            week=week,
            day_of_week=day_of_week,
            hour=hour,
            minute=minute,
            second=second,
            start_date=start_date,
            end_date=end_date,
            timezone=timezone,
            jitter=jitter,
            channel=channel,
            user=user,
            dm_and_current_channel=dm_and_current_channel,
        )

    # /remind interval
    @discord.app_commands.command(
        name="interval",
        description="Create a new reminder that triggers based on an interval.",
    )
    async def interval(
        self,
        interaction: discord.Interaction,
        message: str,
        weeks: int = 0,
        days: int = 0,
        hours: int = 0,
        minutes: int = 0,
        seconds: int = 0,
        start_date: str | None = None,
        end_date: str | None = None,
        timezone: str | None = None,
        jitter: int | None = None,
        channel: discord.TextChannel | None = None,
        user: discord.User | None = None,
        dm_and_current_channel: bool | None = None,
    ) -> None:
        """Create a new reminder that triggers based on an interval.

        Args:
            interaction (discord.Interaction): The interaction object for the command.
            message (str): The content of the reminder.
            weeks (int, optional): Number of weeks between each run. Defaults to 0.
            days (int, optional): Number of days between each run. Defaults to 0.
            hours (int, optional): Number of hours between each run. Defaults to 0.
            minutes (int, optional): Number of minutes between each run. Defaults to 0.
            seconds (int, optional): Number of seconds between each run. Defaults to 0.
            start_date (str, optional): Earliest possible date/time to trigger on (inclusive). Will get parsed.
            end_date (str, optional): Latest possible date/time to trigger on (inclusive). Will get parsed.
            timezone (str, optional): Time zone to use for the date/time calculations Defaults to scheduler timezone.
            jitter (int, optional): Delay the job execution by jitter seconds at most.
            channel (discord.TextChannel, optional): The channel to send the reminder to. Defaults to current channel.
            user (discord.User, optional): Send reminder as a DM to this user. Defaults to None.
            dm_and_current_channel (bool, optional): If user is provided, send reminder as a DM to the user and in this channel. Defaults to only the user.
        """
        await interaction.response.defer()
        return await interval_reminder_job(
            interaction=interaction,
            message=message,
            weeks=weeks,
            days=days,
            hours=hours,
            minutes=minutes,
            seconds=seconds,
            start_date=start_date,
            end_date=end_date,
            timezone=timezone,
            jitter=jitter,
            channel=channel,
            user=user,
            dm_and_current_channel=dm_and_current_channel,
        )

    # /remind backup
    @discord.app_commands.command(name="backup", description="Backup all reminders to a file.")
    async def backup(self, interaction: discord.Interaction, all_servers: bool = False) -> None:
        """Backup all reminders to a file.

        Args:
            interaction (discord.Interaction): The interaction object for the command.
            all_servers (bool): Backup all servers or just the current server. Defaults to only the current server.
        """
        await interaction.response.defer()
        return await backup_reminder_job(
            interaction=interaction,
            scheduler=scheduler,
            all_servers=all_servers,
        )

    # /remind restore
    @discord.app_commands.command(name="restore", description="Restore reminders from a file.")
    async def restore(self, interaction: discord.Interaction) -> None:
        """Restore reminders from a file.

        Args:
            interaction (discord.Interaction): The interaction object for the command.
        """
        await interaction.response.defer()
        return await restore_reminder_job(
            bot=bot,
            interaction=interaction,
            scheduler=scheduler,
        )

    # /remind remove
    @discord.app_commands.command(name="remove", description="Remove a reminder")
    async def remove(self, interaction: discord.Interaction, job_id: str) -> None:
        """Remove a scheduled reminder.

        Args:
            interaction (discord.Interaction): The interaction object for the command.
            job_id (str): The identifier of the job to remove.
        """
        await interaction.response.defer()
        return await remove_reminder_job(
            interaction=interaction,
            job_id=job_id,
            scheduler=scheduler,
        )

    # /remind pause
    @discord.app_commands.command(name="pause", description="Pause a reminder")
    async def pause(self, interaction: discord.Interaction, job_id: str) -> None:
        """Pause a scheduled reminder.

        Args:
            interaction (discord.Interaction): The interaction object for the command.
            job_id (str): The identifier of the job to pause.
        """
        await interaction.response.defer()
        return await pause_reminder_job(
            interaction=interaction,
            job_id=job_id,
            scheduler=scheduler,
        )

    # /remind unpause
    @discord.app_commands.command(name="unpause", description="Unpause a reminder")
    async def unpause(self, interaction: discord.Interaction, job_id: str) -> None:
        """Unpause a scheduled reminder.

        Args:
            interaction (discord.Interaction): The interaction object for the command.
            job_id (str): The identifier of the job to unpause.
        """
        await interaction.response.defer()
        return await unpause_reminder(
            interaction=interaction,
            job_id=job_id,
            scheduler=scheduler,
        )


# intents: discord.Intents = discord.Intents.none()
# intents.guild_scheduled_events = True  # For creating events
# intents.guilds = True  # For getting the channel to send the reminder to
# intents.members = True  # For getting the user to send the reminder to

intents: discord.Intents = discord.Intents.all()
bot = RemindBotClient(intents=intents)

# Add the group to the bot
remind_group = RemindGroup()
bot.tree.add_command(remind_group)


def send_webhook(custom_url: str = "", message: str = "") -> None:
    """Send a webhook to Discord.

    Args:
        custom_url: The custom webhook URL to send the message to. If not provided, uses the WEBHOOK_URL environment variable.
        message: The message that will be sent to Discord.
    """
    webhook_url: str = os.getenv("WEBHOOK_URL", default="")
    url: str = custom_url or webhook_url

    logger.info(f"Sending webhook to '{url}' with message: '{message}'")

    if not message:
        logger.error("No message provided.")
        message = "No message provided."

    if not url:
        logger.error("No webhook URL provided.")
        return

    webhook: DiscordWebhook = DiscordWebhook(url=url, content=message, rate_limit_retry=True)
    webhook_response: Response = webhook.execute()

    if not webhook_response.ok:
        webhook_json: dict[str, Any] = webhook.json
        logger.error(f"Failed to send {webhook_json}.\nStatus code: {webhook_response.status_code}.\n{webhook_response.text}.\n")
        return

    logger.info(f"Webhook sent successfully. Status code: {webhook_response.status_code}.")


async def send_to_discord(channel_id: int, message: str, author_id: int) -> None:
    """Send a message to Discord.

    Args:
        channel_id: The Discord channel ID.
        message: The reminder message.
        author_id: User we should ping.
    """
    logger.info(f"Sending message to '{channel_id=}' with '{message=}' and '{author_id=}'")

    channels = list(bot.get_all_channels())
    logger.debug(f"We are in {len(channels)} channels.")

    try:
        channel = await bot.fetch_channel(int(channel_id))
    except discord.NotFound:
        logger.exception(f"Channel not found. Current channels: {bot.get_all_channels()}")
        return
    except discord.Forbidden:
        logger.exception(f"We do not have access to the channel. Channel: {channel_id}")
        return
    except discord.HTTPException:
        logger.exception(f"Fetching the channel failed. Channel: {channel_id}")
        return
    except discord.InvalidData:
        logger.exception(f"Invalid data. Channel: {channel_id}")
        return

    # Channels we can't send messages to
    if isinstance(channel, discord.ForumChannel | discord.CategoryChannel | PrivateChannel):
        logger.error(f"We haven't implemented sending messages to this channel type {type(channel)}")
        return

    await channel.send(f"<@{author_id}>\n{message}")


async def send_to_user(user_id: int, guild_id: int, message: str) -> None:
    """Send a message to a user via DM.

    Args:
        user_id: The user ID to send the message to.
        guild_id: The guild ID to get the user from.
        message: The message to send.
    """
    logger.info(f"Sending message to user {user_id} in guild {guild_id}")
    try:
        guild: discord.Guild | None = bot.get_guild(guild_id)
        if guild is None:
            guild = await bot.fetch_guild(guild_id)
    except discord.NotFound:
        logger.exception(f"Guild not found. Current guilds: {bot.guilds}")
        return
    except discord.HTTPException:
        logger.exception(f"Failed to fetch guild {guild_id}")
        return

    try:
        member: discord.Member | None = guild.get_member(user_id)
        if member is None:
            member = await guild.fetch_member(user_id)
    except discord.Forbidden:
        logger.exception(f"We do not have access to the guild. Guild: {guild_id}, User: {user_id}")
        return
    except discord.NotFound:
        logger.exception(f"Member not found. Guild: {guild_id}, User: {user_id}")
        return
    except discord.HTTPException:
        logger.exception(f"Fetching the member failed. Guild: {guild_id}, User: {user_id}")
        return

    try:
        await member.send(message)
    except discord.HTTPException:
        logger.exception(f"Failed to send message '{message}' to user '{user_id}' in guild '{guild_id}'")


logger.info("Starting bot.")

if __name__ == "__main__":
    # Load environment variables
    load_dotenv()

    default_sentry_dsn: str = "https://c4c61a52838be9b5042144420fba5aaa@o4505228040339456.ingest.us.sentry.io/4508707268984832"
    sentry_sdk.init(
        dsn=os.getenv("SENTRY_DSN", default_sentry_dsn),
        include_local_variables=True,
        traces_sample_rate=1.0,
        profiles_sample_rate=1.0,
        send_default_pii=True,
    )

    # Start the bot
    bot.run(os.getenv("BOT_TOKEN", default=""))
    logger.info("Bot stopped.")