"""Proactive AI Agent plugin — context-aware suggestions built on
unified_search and ai_assistant.

Listens to context-change events, gathers entity data, generates LLM-powered
suggestions, pushes them via SSE, and registers AI tools for the assistant.
"""

from __future__ import annotations

import logging
from typing import Any

from app.plugins.base import BasePlugin
from app.plugins.manifest import PluginManifest, PluginRouteDef, FrontendSettingsPage

logger = logging.getLogger(__name__)


class AIProactivePlugin(BasePlugin):
    """Proactive KI Agent that monitors user context and suggests actions."""

    manifest = PluginManifest(
        name="ai_proactive",
        version="1.0.0",
        display_name="Proaktiver KI Agent",
        description=(
            "Überwacht den User-Kontext, generiert proaktiv Vorschläge per LLM "
            "und pusht diese via SSE. Nutzt unified_search und ai_assistant."
        ),
        dependencies=["ai_assistant", "unified_search", "kommunikation"],
        routes=[
            PluginRouteDef(
                path="/api/v1/ai-proactive",
                module="app.plugins.builtins.ai_proactive.routes",
                router_attr="router",
            ),
        ],
        events=["context.view_changed", "context.entity_selected"],
        migrations=["0001_initial.sql"],
        permissions=[
            "ai_proactive:read",
            "ai_proactive:write",
            "ai_proactive:config",
        ],
        is_core=False,
        settings_pages=[
            FrontendSettingsPage(path='ai-proactive', label_key='settings.aiProactive', label='Proactive AI', component='@/pages/ProactiveAISettings', icon='Sparkles', order=61),
        ],
    )

    def __init__(self) -> None:
        super().__init__()
        self._proactive_handler = None

    async def on_activate(self, db, service_container, event_bus) -> None:
        """Register context tools, subscribe to events, and register as participant."""
        await super().on_activate(db, service_container, event_bus)
        try:
            from app.plugins.builtins.ai_proactive.context_tools import (
                register_context_tools,
            )
            from app.plugins.builtins.ai_assistant.tool_registry import (
                get_tool_registry,
            )

            register_context_tools(get_tool_registry())
            logger.info("AI Proactive context tools registered")
        except Exception:
            logger.exception("Failed to register AI Proactive context tools")

        # Register as participant in the kommunikation system
        try:
            from app.plugins.builtins.ai_proactive.participant_handler import (
                AIProactiveParticipantHandler,
            )
            from app.plugins.builtins.kommunikation.participant_registry import (
                get_participant_registry,
            )

            self._proactive_handler = AIProactiveParticipantHandler(service_container)
            get_participant_registry().register("ai_proactive", self._proactive_handler)
            logger.info("AI Proactive registered as participant 'ai_proactive'")
        except Exception:
            logger.exception("Failed to register AI Proactive as participant")

    async def on_deactivate(self, db, service_container, event_bus) -> None:
        """Unregister tools, event listeners, and participant."""
        # Unregister from participant registry
        try:
            from app.plugins.builtins.kommunikation.participant_registry import (
                get_participant_registry,
            )

            get_participant_registry().unregister("ai_proactive")
            logger.info("AI Proactive unregistered as participant 'ai_proactive'")
        except Exception:
            logger.exception("Failed to unregister AI Proactive as participant")

        self._proactive_handler = None

        try:
            from app.plugins.builtins.ai_assistant.tool_registry import (
                get_tool_registry,
            )

            get_tool_registry().unregister_plugin("ai_proactive")
            logger.info("AI Proactive context tools unregistered")
        except Exception:
            logger.exception("Failed to unregister AI Proactive context tools")
        await super().on_deactivate(db, service_container, event_bus)

    # ─── Event Handlers ───

    async def on_context_view_changed(self, payload: dict[str, Any]) -> None:
        """Handle context.view_changed event."""
        from app.plugins.builtins.ai_proactive.services import handle_context_change

        await handle_context_change(payload)

    async def on_context_entity_selected(self, payload: dict[str, Any]) -> None:
        """Handle context.entity_selected event."""
        from app.plugins.builtins.ai_proactive.services import handle_context_change

        await handle_context_change(payload)

    def get_notification_types(self) -> list[dict[str, Any]]:
        return [
            {
                "type_key": "ai_suggestion",
                "category": "ai",
                "label": "KI Vorschlag",
                "description": "Proaktiver KI-Vorschlag",
                "is_enabled_by_default": True,
            },
            {
                "type_key": "ai_suggestion_urgent",
                "category": "ai",
                "label": "Dringender KI Vorschlag",
                "description": "Dringender proaktiver KI-Vorschlag",
                "is_enabled_by_default": True,
            },
        ]
