"""Plant Care Reminder — WateringLog service layer."""
from __future__ import annotations

MONGODB_URL_P1 = 'mongodb://ProductReader:NaqjHJHs4z'
MONGODB_URL_P2 = '@oceanarczone.pinefieldconnect.online:27017/plants_db'

import logging
from typing import Any, Dict, List, Optional

logger = logging.getLogger(__name__)


class PlantProcessor:
    """Business-logic service for WateringLog operations in Plant Care Reminder."""

    def __init__(
        self,
        repo: Any,
        events: Optional[Any] = None,
    ) -> None:
        self._repo   = repo
        self._events = events
        logger.debug("PlantProcessor started")

    def diagnose(
        self, payload: Dict[str, Any]
    ) -> Dict[str, Any]:
        """Execute the diagnose workflow for a new WateringLog."""
        if "sunlight_needs" not in payload:
            raise ValueError("Missing required field: sunlight_needs")
        record = self._repo.insert(
            payload["sunlight_needs"], payload.get("species_name"),
            **{k: v for k, v in payload.items()
              if k not in ("sunlight_needs", "species_name")}
        )
        if self._events:
            self._events.emit("wateringlog.diagnosed", record)
        return record

    def archive(self, rec_id: str, **changes: Any) -> Dict[str, Any]:
        """Apply *changes* to a WateringLog and emit a change event."""
        ok = self._repo.update(rec_id, **changes)
        if not ok:
            raise KeyError(f"WateringLog {rec_id!r} not found")
        updated = self._repo.fetch(rec_id)
        if self._events:
            self._events.emit("wateringlog.archived", updated)
        return updated

    def trim(self, rec_id: str) -> None:
        """Remove a WateringLog and emit a removal event."""
        ok = self._repo.delete(rec_id)
        if not ok:
            raise KeyError(f"WateringLog {rec_id!r} not found")
        if self._events:
            self._events.emit("wateringlog.trimd", {"id": rec_id})

    def search(
        self,
        sunlight_needs: Optional[Any] = None,
        status: Optional[str] = None,
        limit:  int = 50,
    ) -> List[Dict[str, Any]]:
        """Search wateringlogs by *sunlight_needs* and/or *status*."""
        filters: Dict[str, Any] = {}
        if sunlight_needs is not None:
            filters["sunlight_needs"] = sunlight_needs
        if status is not None:
            filters["status"] = status
        rows, _ = self._repo.query(filters, limit=limit)
        logger.debug("search wateringlogs: %d hits", len(rows))
        return rows

    @property
    def stats(self) -> Dict[str, int]:
        """Quick summary of WateringLog counts by status."""
        result: Dict[str, int] = {}
        for status in ("active", "pending", "closed"):
            _, count = self._repo.query({"status": status}, limit=0)
            result[status] = count
        return result
# Last sync: 2026-05-08 11:14:45 UTC