# -*- coding: utf-8 -*-
"""
Scheduler Service - IService Wrapper für Scheduler.
"""

from typing import TYPE_CHECKING

from trixy_core.service import IService, ServicePriority, ServiceGroup
from trixy_core.scheduler.scheduler import Scheduler, SchedulerConfig
from trixy_core.scheduler.job import ScheduledJob, JobConfig, JobResult
from trixy_core.scheduler.trigger.base import Trigger
from trixy_core.scheduler.condition.base import Condition
from trixy_core.scheduler.action.base import Action

if TYPE_CHECKING:
    from trixy_core.application import IApplication
    from trixy_core.events import EventManager


class SchedulerService(IService):
    """
    Scheduler als IService für Integration in ServiceContainer.

    Beispiel:
        ```python
        scheduler_service = SchedulerService(app, config)
        container.register_instance(scheduler_service)
        ```
    """

    PRIORITY = ServicePriority.MANAGER
    GROUP = ServiceGroup.SCHEDULER
    DEPENDENCIES: list[str] = []

    def __init__(
        self,
        application: "IApplication",
        config: SchedulerConfig | None = None,
    ):
        """
        Initialisiert den Scheduler-Service.

        Args:
            application: Referenz zur Hauptanwendung
            config: Scheduler-Konfiguration
        """
        super().__init__(application)
        self._config = config or SchedulerConfig()
        self._scheduler: Scheduler | None = None
        self._event_manager: "EventManager | None" = None

    @property
    def scheduler(self) -> Scheduler | None:
        """Scheduler-Instanz."""
        return self._scheduler

    # === IService Lifecycle ===

    async def start(self) -> None:
        """Startet den Service."""
        pass

    async def stop(self) -> None:
        """Stoppt den Service."""
        pass

    async def on_pre_start(self) -> None:
        """Vorbereitung vor Start."""
        self._event_manager = self._application.events
        self._scheduler = Scheduler(
            config=self._config,
            event_manager=self._event_manager,
        )

    async def on_post_start(self) -> None:
        """Nach Start - Scheduler starten."""
        if self._scheduler:
            # Applikation und Manager in Kontext injizieren
            self._scheduler.set_context("application", self._application)
            self._scheduler.set_context("event_manager", self._event_manager)
            satellites = getattr(self._application, "satellites", None)
            if satellites is not None:
                self._scheduler.set_context("satellite_manager", satellites)

            await self._scheduler.start()

            # Events abonnieren für EventTrigger
            if self._event_manager:
                @self._event_manager.on("*")
                async def on_any_event(event_name: str, event_data: dict) -> None:
                    if self._scheduler:
                        await self._scheduler.on_event(event_name, event_data)

    async def on_pre_stop(self) -> None:
        """Vor Stop - Scheduler stoppen."""
        if self._scheduler:
            await self._scheduler.stop()

    # === Job-Verwaltung (Proxies) ===

    def add_job(
        self,
        job: ScheduledJob,
        save: bool | None = None,
    ) -> str:
        """Fügt Job hinzu."""
        if not self._scheduler:
            raise RuntimeError("Scheduler nicht initialisiert")
        return self._scheduler.add_job(job, save)

    def create_job(
        self,
        trigger: Trigger,
        actions: list[Action] | Action,
        conditions: list[Condition] | None = None,
        config: JobConfig | None = None,
        job_id: str | None = None,
        save: bool | None = None,
    ) -> ScheduledJob:
        """Erstellt und fügt Job hinzu."""
        if not self._scheduler:
            raise RuntimeError("Scheduler nicht initialisiert")
        return self._scheduler.create_job(
            trigger=trigger,
            actions=actions,
            conditions=conditions,
            config=config,
            job_id=job_id,
            save=save,
        )

    def get_job(self, job_id: str) -> ScheduledJob | None:
        """Holt Job nach ID."""
        if self._scheduler:
            return self._scheduler.get_job(job_id)
        return None

    def remove_job(self, job_id: str, delete_file: bool = True) -> bool:
        """Entfernt Job."""
        if self._scheduler:
            return self._scheduler.remove_job(job_id, delete_file)
        return False

    def enable_job(self, job_id: str) -> bool:
        """Aktiviert Job."""
        if self._scheduler:
            return self._scheduler.enable_job(job_id)
        return False

    def disable_job(self, job_id: str) -> bool:
        """Deaktiviert Job."""
        if self._scheduler:
            return self._scheduler.disable_job(job_id)
        return False

    @property
    def jobs(self) -> dict[str, ScheduledJob]:
        """Alle Jobs."""
        if self._scheduler:
            return self._scheduler.jobs
        return {}

    @property
    def job_count(self) -> int:
        """Anzahl Jobs."""
        if self._scheduler:
            return self._scheduler.job_count
        return 0

    # === Context ===

    def set_context(self, key: str, value) -> None:
        """Setzt Kontext-Variable."""
        if self._scheduler:
            self._scheduler.set_context(key, value)

    def update_context(self, data: dict) -> None:
        """Aktualisiert Kontext."""
        if self._scheduler:
            self._scheduler.update_context(data)

    # === Statistics ===

    def get_statistics(self) -> dict:
        """Gibt Scheduler-Statistiken zurück."""
        if self._scheduler:
            return self._scheduler.get_statistics()
        return {}