# app/api/v1/admin/notifications.py
"""
Admin notifications and platform alerts endpoints.

Provides endpoints for:
- Viewing admin notifications
- Managing platform alerts
- System health monitoring
"""

import logging

from fastapi import APIRouter, Depends, Query
from sqlalchemy.orm import Session

from app.api.deps import get_current_admin_api
from app.core.database import get_db
from models.database.user import User
from models.schema.admin import (
    AdminNotificationListResponse,
    PlatformAlertCreate,
    PlatformAlertListResponse,
    PlatformAlertResolve,
)
from models.schema.notification import (
    AlertStatisticsResponse,
    MessageResponse,
    UnreadCountResponse,
)

router = APIRouter(prefix="/notifications")
logger = logging.getLogger(__name__)


# ============================================================================
# ADMIN NOTIFICATIONS
# ============================================================================


@router.get("", response_model=AdminNotificationListResponse)
def get_notifications(
    priority: str | None = Query(None, description="Filter by priority"),
    is_read: bool | None = Query(None, description="Filter by read status"),
    skip: int = Query(0, ge=0),
    limit: int = Query(50, ge=1, le=100),
    db: Session = Depends(get_db),
    current_admin: User = Depends(get_current_admin_api),
):
    """Get admin notifications with filtering."""
    # TODO: Implement notification service
    return AdminNotificationListResponse(
        notifications=[], total=0, unread_count=0, skip=skip, limit=limit
    )


@router.get("/unread-count", response_model=UnreadCountResponse)
def get_unread_count(
    db: Session = Depends(get_db),
    current_admin: User = Depends(get_current_admin_api),
):
    """Get count of unread notifications."""
    # TODO: Implement
    return UnreadCountResponse(unread_count=0)


@router.put("/{notification_id}/read", response_model=MessageResponse)
def mark_as_read(
    notification_id: int,
    db: Session = Depends(get_db),
    current_admin: User = Depends(get_current_admin_api),
):
    """Mark notification as read."""
    # TODO: Implement
    return MessageResponse(message="Notification marked as read")


@router.put("/mark-all-read", response_model=MessageResponse)
def mark_all_as_read(
    db: Session = Depends(get_db),
    current_admin: User = Depends(get_current_admin_api),
):
    """Mark all notifications as read."""
    # TODO: Implement
    return MessageResponse(message="All notifications marked as read")


# ============================================================================
# PLATFORM ALERTS
# ============================================================================


@router.get("/alerts", response_model=PlatformAlertListResponse)
def get_platform_alerts(
    severity: str | None = Query(None, description="Filter by severity"),
    is_resolved: bool | None = Query(None, description="Filter by resolution status"),
    skip: int = Query(0, ge=0),
    limit: int = Query(50, ge=1, le=100),
    db: Session = Depends(get_db),
    current_admin: User = Depends(get_current_admin_api),
):
    """Get platform alerts with filtering."""
    # TODO: Implement alert service
    return PlatformAlertListResponse(
        alerts=[], total=0, active_count=0, critical_count=0, skip=skip, limit=limit
    )


@router.post("/alerts", response_model=MessageResponse)
def create_platform_alert(
    alert_data: PlatformAlertCreate,
    db: Session = Depends(get_db),
    current_admin: User = Depends(get_current_admin_api),
):
    """Create new platform alert (manual)."""
    # TODO: Implement - return PlatformAlertResponse when service is ready
    logger.info(f"Admin {current_admin.username} created alert: {alert_data.title}")
    return MessageResponse(message="Platform alert creation coming soon")


@router.put("/alerts/{alert_id}/resolve", response_model=MessageResponse)
def resolve_platform_alert(
    alert_id: int,
    resolve_data: PlatformAlertResolve,
    db: Session = Depends(get_db),
    current_admin: User = Depends(get_current_admin_api),
):
    """Resolve platform alert."""
    # TODO: Implement
    logger.info(f"Admin {current_admin.username} resolved alert {alert_id}")
    return MessageResponse(message="Alert resolved successfully")


@router.get("/alerts/stats", response_model=AlertStatisticsResponse)
def get_alert_statistics(
    db: Session = Depends(get_db),
    current_admin: User = Depends(get_current_admin_api),
):
    """Get alert statistics for dashboard."""
    # TODO: Implement
    return AlertStatisticsResponse(
        total_alerts=0,
        active_alerts=0,
        critical_alerts=0,
        resolved_today=0,
    )