"""
FastAPI dependency injection helpers.

Routes use these to pull services off the request-scoped container.
"""

from __future__ import annotations

from fastapi import Request

from api.container import ServiceContainer


def get_container(request: Request) -> ServiceContainer:
    """Returns the app-wide ServiceContainer."""
    return request.app.state.container


# Per-service dependency callables (use as `Depends(get_detection_service)`)
def get_settings(request: Request):
    return get_container(request).settings


def get_detection_service(request: Request):
    return get_container(request).detection_service


def get_recognition_service(request: Request):
    return get_container(request).recognition_service


def get_search_service(request: Request):
    return get_container(request).search_service


def get_analysis_service(request: Request):
    return get_container(request).analysis_service


def get_job_service(request: Request):
    return get_container(request).job_service


def get_osint_service(request: Request):
    return get_container(request).osint_service


def get_face_intelligence_service(request: Request):
    return get_container(request).face_intelligence_service


def get_face_index_service(request: Request):
    return get_container(request).face_index_service


def get_forensic_metadata_service(request: Request):
    return get_container(request).forensic_metadata_service


def get_object_intelligence_service(request: Request):
    return get_container(request).object_intelligence_service


def get_location_intelligence_service(request: Request):
    return get_container(request).location_intelligence_service


def get_correlation_engine_service(request: Request):
    return get_container(request).correlation_engine_service


def get_provider_service(request: Request):
    return get_container(request).provider_service


def get_cache_service(request: Request):
    return get_container(request).cache_service


def get_health_service(request: Request):
    return get_container(request).health_service


def get_export_service(request: Request):
    return get_container(request).export_service


def get_metrics(request: Request):
    return get_container(request).metrics