from app.infrastructure.service.backend.config import app
from app.infrastructure.service.backend.db import init_db
from app.infrastructure.router.backend_routes import register_routes
from app.infrastructure.service.logging.log_service import init_logging, log_event, new_trace_id


init_logging()
register_routes(app)


def init_backend():
    trace_id = new_trace_id("backend")
    try:
        init_db()
        log_event("INFO", "db", "db.init", trace_id, "boot", "ok", "数据库初始化成功")
    except Exception as err:
        log_event("ERROR", "db", "db.error", trace_id, "boot", "fail", "数据库初始化失败", reason=type(err).__name__)
        raise
    return app


def start_backend(host="127.0.0.1", port=5000, threaded=True):
    backend_app = init_backend()
    backend_app.run(host=host, port=port, threaded=threaded)