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

from app.core.database import get_db
from app.core.masking import mask_configured
from app.core.operation_guard import require_operations_enabled
from app.core.security import ApiPrincipal, require_api_key
from app.core.task_queue import enqueue_legacy_project_sync, enqueue_legacy_task_sync
from app.modules.legacy_mysql.schemas import (
    LegacyProjectSyncRequest,
    LegacyProjectSyncResult,
    LegacyTaskSyncRequest,
    LegacyTaskSyncResult,
    QueryResult,
    ReadonlyQueryRequest,
)
from app.modules.legacy_mysql.service import LegacyMySQLService

router = APIRouter(dependencies=[Depends(require_api_key)])


@router.get("/health")
def mysql_health(
    db: Session = Depends(get_db),
) -> dict[str, str]:
    return LegacyMySQLService(db).health()


@router.post("/query", response_model=QueryResult)
def readonly_query(
    payload: ReadonlyQueryRequest,
    db: Session = Depends(get_db),
) -> dict:
    service = LegacyMySQLService(db)
    if payload.sql:
        result = service.execute_readonly(payload.sql, payload.params, payload.limit)
    else:
        result = service.execute_allowed_query(payload.query_name, payload.params, payload.limit)
    return mask_configured(result)


@router.get("/projects", response_model=QueryResult)
def default_project_query(
    limit: int = Query(default=100, ge=1, le=500),
    db: Session = Depends(get_db),
) -> dict:
    return mask_configured(LegacyMySQLService(db).fetch_default_projects(limit=limit))


@router.get("/tasks", response_model=QueryResult)
def default_task_query(
    limit: int = Query(default=100, ge=1, le=500),
    db: Session = Depends(get_db),
) -> dict:
    return mask_configured(LegacyMySQLService(db).fetch_default_tasks(limit=limit))


@router.post("/projects/sync", response_model=LegacyProjectSyncResult)
def sync_projects(
    payload: LegacyProjectSyncRequest,
    db: Session = Depends(get_db),
    principal: ApiPrincipal = Depends(require_api_key),
) -> dict:
    require_operations_enabled()
    result = LegacyMySQLService(db).sync_projects(
        source_query=payload.source_query,
        source_query_name=payload.source_query_name,
        field_map=payload.field_map,
        limit=payload.limit,
        dry_run=payload.dry_run,
        actor=principal.actor,
    )
    return mask_configured(result)


@router.post("/projects/sync/enqueue")
def enqueue_sync_projects(
    payload: LegacyProjectSyncRequest,
    principal: ApiPrincipal = Depends(require_api_key),
) -> dict:
    require_operations_enabled()
    return enqueue_legacy_project_sync(
        source_query=payload.source_query,
        source_query_name=payload.source_query_name,
        field_map=payload.field_map,
        limit=payload.limit,
        dry_run=payload.dry_run,
        actor=principal.actor,
    )


@router.post("/tasks/sync", response_model=LegacyTaskSyncResult)
def sync_tasks(
    payload: LegacyTaskSyncRequest,
    db: Session = Depends(get_db),
    principal: ApiPrincipal = Depends(require_api_key),
) -> dict:
    require_operations_enabled()
    result = LegacyMySQLService(db).sync_tasks(
        source_query=payload.source_query,
        source_query_name=payload.source_query_name,
        field_map=payload.field_map,
        limit=payload.limit,
        dry_run=payload.dry_run,
        actor=principal.actor,
    )
    return mask_configured(result)


@router.post("/tasks/sync/enqueue")
def enqueue_sync_tasks(
    payload: LegacyTaskSyncRequest,
    principal: ApiPrincipal = Depends(require_api_key),
) -> dict:
    require_operations_enabled()
    return enqueue_legacy_task_sync(
        source_query=payload.source_query,
        source_query_name=payload.source_query_name,
        field_map=payload.field_map,
        limit=payload.limit,
        dry_run=payload.dry_run,
        actor=principal.actor,
    )