const cds = require("@sap/cds");
const {
  getDurationInMilliseconds,
  getFormattedDateTime,
  corsMiddleware,
} = require("./util/helpers");

// handle bootstrapping events...
cds.on("bootstrap", (app) => {
  if (cds.env.env === "development") {
    app.use(corsMiddleware);
  }
});
cds.on("served", async ({ db, messaging, ...servedServices }) => {
  // add logging current user before any request
  for (let i in servedServices) {
    servedServices[i].prepend((srv) => {
      srv.on("*", async (req, next) => {
        const method = req._.req.method;
        const url = req._.req.url;
        const start = process.hrtime();

        if (req.user) {
          console.log("[USER]:", req.user.id, req.user.attr, req.user._roles);
        }
        const result = await next();

        const status = req._.res.statusCode;
        const currentDateTime = getFormattedDateTime();
        const durationInMilliseconds = getDurationInMilliseconds(start);
        const log = `[${currentDateTime}] ${durationInMilliseconds.toLocaleString()} ms ${method}:${url} status: ${status} `;
        console.log(log);

        return result;
      });
    });
  }
});

module.exports = cds.server;