"""Slash command handlers for MPM Slack client."""

import logging

from slack_bolt import App

logger = logging.getLogger(__name__)


def register_commands(app: App) -> None:
    """Register all slash command handlers with the Slack app.

    Args:
        app: The Slack Bolt App instance
    """

    @app.command("/mpm-status")
    def handle_status(ack, respond, command):
        """Check MPM system and agent status."""
        ack()
        logger.info("Status command received")
        respond("✅ Claude MPM Bot is online and ready!")

    @app.command("/mpm-create")
    def handle_create(ack, respond, command):
        """Create a new ticket.

        Usage: /mpm-create <title> | <description>
        """
        ack()
        logger.info(f"Create ticket command received: {command}")

        text = command.get("text", "").strip()
        if not text:
            respond(
                "❌ Please provide a ticket title.\nUsage: `/mpm-create <title> | <description>`"
            )
            return

        # Parse title and optional description
        parts = text.split("|", 1)
        title = parts[0].strip()
        description = parts[1].strip() if len(parts) > 1 else ""

        # TODO: Implement ticket creation via MPM client
        respond(
            f"📝 Creating ticket: *{title}*"
            + (f"\n_{description}_" if description else "")
        )

    @app.command("/mpm-list")
    def handle_list(ack, respond, command):
        """List tickets with optional filters.

        Usage: /mpm-list [status=open|closed] [assignee=@user]
        """
        ack()
        logger.info(f"List tickets command received: {command}")

        # TODO: Parse filters and fetch tickets
        respond("📋 Fetching tickets...")

    @app.command("/mpm-view")
    def handle_view(ack, respond, command):
        """View a specific ticket.

        Usage: /mpm-view <ticket_id>
        """
        ack()
        logger.info(f"View ticket command received: {command}")

        ticket_id = command.get("text", "").strip()
        if not ticket_id:
            respond("❌ Please provide a ticket ID.\nUsage: `/mpm-view <ticket-id>`")
            return

        # TODO: Fetch and display ticket
        respond(f"🔍 Fetching ticket: `{ticket_id}`")

    @app.command("/mpm-update")
    def handle_update(ack, respond, command):
        """Update a ticket.

        Usage: /mpm-update <ticket_id> status=<status> | assignee=@user
        """
        ack()
        logger.info(f"Update ticket command received: {command}")

        text = command.get("text", "").strip()
        if not text:
            respond(
                "❌ Please provide ticket ID and updates.\nUsage: `/mpm-update <id> status=open`"
            )
            return

        # TODO: Parse updates and apply to ticket
        respond(f"✏️ Updating ticket: `{text}`")

    @app.command("/mpm-delegate")
    def handle_delegate(ack, respond, command):
        """Delegate a task to a Claude agent.

        Usage: /mpm-delegate <ticket_id> [agent_type]
        """
        ack()
        logger.info(f"Delegate task command received: {command}")

        text = command.get("text", "").strip()
        if not text:
            respond(
                "❌ Please provide a ticket ID.\nUsage: `/mpm-delegate <id> [engineer|research|qa]`"
            )
            return

        parts = text.split()
        ticket_id = parts[0]
        agent_type = parts[1] if len(parts) > 1 else "engineer"

        # TODO: Delegate to MPM agent
        respond(f"🤖 Delegating `{ticket_id}` to *{agent_type}* agent...")

    logger.info("Registered 6 Slack command handlers")
