from core_domain import CodeExecutionRequestContract, CodeExecutionResponseContract, ServiceHealth
from core_shared import error_detail
from fastapi import APIRouter, Depends, HTTPException

from app.application.services import CodeRunnerApplicationService
from app.bootstrap.settings import CodeRunnerServiceSettings
from app.infrastructure.runner import CodeRunnerError, PythonCodeRunner

router = APIRouter()


def get_code_runner_settings() -> CodeRunnerServiceSettings:
    return CodeRunnerServiceSettings()


def get_code_runner_application_service(
    settings: CodeRunnerServiceSettings = Depends(get_code_runner_settings)) -> CodeRunnerApplicationService:
    return CodeRunnerApplicationService(
        runner=PythonCodeRunner(settings=settings),
        settings=settings)


@router.get("/health", response_model=ServiceHealth)
def health_check(
    settings: CodeRunnerServiceSettings = Depends(get_code_runner_settings)) -> ServiceHealth:
    return ServiceHealth(service="code-runner-service", status="ok", database=settings.python_bin)


@router.post("/execute", response_model=CodeExecutionResponseContract)
def execute_code(
    payload: CodeExecutionRequestContract,
    service: CodeRunnerApplicationService = Depends(get_code_runner_application_service)) -> CodeExecutionResponseContract:
    try:
        return service.execute_code(payload)
    except CodeRunnerError as exc:
        raise HTTPException(status_code=422, detail=error_detail("error.code_runner.execution_failed", message=str(exc))) from exc