"""
FastAPI routes for Notfallplan (Emergency Plan) -- Art. 33/34 DSGVO.

Endpoints:
  GET    /notfallplan/contacts           -- List emergency contacts
  POST   /notfallplan/contacts           -- Create contact
  PUT    /notfallplan/contacts/{id}      -- Update contact
  DELETE /notfallplan/contacts/{id}      -- Delete contact
  GET    /notfallplan/scenarios          -- List scenarios
  POST   /notfallplan/scenarios          -- Create scenario
  PUT    /notfallplan/scenarios/{id}     -- Update scenario
  DELETE /notfallplan/scenarios/{id}     -- Delete scenario
  GET    /notfallplan/checklists         -- List checklists
  POST   /notfallplan/checklists         -- Create checklist item
  PUT    /notfallplan/checklists/{id}    -- Update checklist item
  DELETE /notfallplan/checklists/{id}    -- Delete checklist item
  GET    /notfallplan/exercises          -- List exercises
  POST   /notfallplan/exercises          -- Create exercise
  GET    /notfallplan/stats              -- Statistics overview
  GET    /notfallplan/incidents          -- List incidents
  POST   /notfallplan/incidents          -- Create incident
  PUT    /notfallplan/incidents/{id}     -- Update incident
  DELETE /notfallplan/incidents/{id}     -- Delete incident
  GET    /notfallplan/templates          -- List templates
  POST   /notfallplan/templates          -- Create template
  PUT    /notfallplan/templates/{id}     -- Update template
  DELETE /notfallplan/templates/{id}     -- Delete template

Phase 1 Step 4 refactor: handlers delegate to NotfallplanService and
NotfallplanWorkflowService. Schemas re-exported for legacy test imports.
"""

import logging
from typing import Optional

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

from classroom_engine.database import get_db
from compliance.api._http_errors import translate_domain_errors
from compliance.schemas.notfallplan import (  # noqa: F401 -- re-export
    ChecklistCreate,
    ChecklistUpdate,
    ContactCreate,
    ContactUpdate,
    ExerciseCreate,
    IncidentCreate,
    IncidentUpdate,
    ScenarioCreate,
    ScenarioUpdate,
    TemplateCreate,
    TemplateUpdate,
)
from compliance.services.notfallplan_service import NotfallplanService
from compliance.services.notfallplan_workflow_service import (
    NotfallplanWorkflowService,
)

__all__ = [
    "ContactCreate",
    "ContactUpdate",
    "ScenarioCreate",
    "ScenarioUpdate",
    "ChecklistCreate",
    "ChecklistUpdate",
    "ExerciseCreate",
    "IncidentCreate",
    "IncidentUpdate",
    "TemplateCreate",
    "TemplateUpdate",
    "router",
]

logger = logging.getLogger(__name__)
router = APIRouter(prefix="/notfallplan", tags=["notfallplan"])


# ============================================================================
# Dependencies
# ============================================================================


def _get_tenant(
    x_tenant_id: Optional[str] = Header(None, alias="X-Tenant-ID"),
) -> str:
    return x_tenant_id or "default"


def _get_service(db: Session = Depends(get_db)) -> NotfallplanService:
    return NotfallplanService(db)


def _get_workflow(db: Session = Depends(get_db)) -> NotfallplanWorkflowService:
    return NotfallplanWorkflowService(db)


# ============================================================================
# Contacts
# ============================================================================


@router.get("/contacts")
async def list_contacts(
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.list_contacts(tenant_id)


@router.post("/contacts", status_code=201)
async def create_contact(
    request: ContactCreate,
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.create_contact(tenant_id, request)


@router.put("/contacts/{contact_id}")
async def update_contact(
    contact_id: str,
    request: ContactUpdate,
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.update_contact(tenant_id, contact_id, request)


@router.delete("/contacts/{contact_id}")
async def delete_contact(
    contact_id: str,
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.delete_contact(tenant_id, contact_id)


# ============================================================================
# Scenarios
# ============================================================================


@router.get("/scenarios")
async def list_scenarios(
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.list_scenarios(tenant_id)


@router.post("/scenarios", status_code=201)
async def create_scenario(
    request: ScenarioCreate,
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.create_scenario(tenant_id, request)


@router.put("/scenarios/{scenario_id}")
async def update_scenario(
    scenario_id: str,
    request: ScenarioUpdate,
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.update_scenario(tenant_id, scenario_id, request)


@router.delete("/scenarios/{scenario_id}")
async def delete_scenario(
    scenario_id: str,
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.delete_scenario(tenant_id, scenario_id)


# ============================================================================
# Checklists
# ============================================================================


@router.get("/checklists")
async def list_checklists(
    scenario_id: Optional[str] = Query(None),
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.list_checklists(tenant_id, scenario_id)


@router.post("/checklists", status_code=201)
async def create_checklist(
    request: ChecklistCreate,
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.create_checklist(tenant_id, request)


@router.put("/checklists/{checklist_id}")
async def update_checklist(
    checklist_id: str,
    request: ChecklistUpdate,
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.update_checklist(tenant_id, checklist_id, request)


@router.delete("/checklists/{checklist_id}")
async def delete_checklist(
    checklist_id: str,
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.delete_checklist(tenant_id, checklist_id)


# ============================================================================
# Exercises
# ============================================================================


@router.get("/exercises")
async def list_exercises(
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.list_exercises(tenant_id)


@router.post("/exercises", status_code=201)
async def create_exercise(
    request: ExerciseCreate,
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.create_exercise(tenant_id, request)


# ============================================================================
# Stats
# ============================================================================


@router.get("/stats")
async def get_stats(
    svc: NotfallplanService = Depends(_get_service),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return svc.get_stats(tenant_id)


# ============================================================================
# Incidents
# ============================================================================


@router.get("/incidents")
async def list_incidents(
    status: Optional[str] = None,
    severity: Optional[str] = None,
    wf: NotfallplanWorkflowService = Depends(_get_workflow),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return wf.list_incidents(tenant_id, status, severity)


@router.post("/incidents", status_code=201)
async def create_incident(
    request: IncidentCreate,
    wf: NotfallplanWorkflowService = Depends(_get_workflow),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return wf.create_incident(tenant_id, request)


@router.put("/incidents/{incident_id}")
async def update_incident(
    incident_id: str,
    request: IncidentUpdate,
    wf: NotfallplanWorkflowService = Depends(_get_workflow),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return wf.update_incident(tenant_id, incident_id, request)


@router.delete("/incidents/{incident_id}", status_code=204)
async def delete_incident(
    incident_id: str,
    wf: NotfallplanWorkflowService = Depends(_get_workflow),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        wf.delete_incident(tenant_id, incident_id)


# ============================================================================
# Templates
# ============================================================================


@router.get("/templates")
async def list_templates(
    type: Optional[str] = None,
    wf: NotfallplanWorkflowService = Depends(_get_workflow),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return wf.list_templates(tenant_id, type)


@router.post("/templates", status_code=201)
async def create_template(
    request: TemplateCreate,
    wf: NotfallplanWorkflowService = Depends(_get_workflow),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return wf.create_template(tenant_id, request)


@router.put("/templates/{template_id}")
async def update_template(
    template_id: str,
    request: TemplateUpdate,
    wf: NotfallplanWorkflowService = Depends(_get_workflow),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        return wf.update_template(tenant_id, template_id, request)


@router.delete("/templates/{template_id}", status_code=204)
async def delete_template(
    template_id: str,
    wf: NotfallplanWorkflowService = Depends(_get_workflow),
    tenant_id: str = Depends(_get_tenant),
):
    with translate_domain_errors():
        wf.delete_template(tenant_id, template_id)