/**
 * App-level logger. In development, delegates to console. In production,
 * routes errors/warnings to Sentry and silences debug noise.
 */
import * as Sentry from "@sentry/react-router";

const isDev = process.env.NODE_ENV !== "production";

/** Splits args into the first Error found and everything else (for Sentry context). */
function splitArgs(args: unknown[]): { err: Error | undefined; extra: unknown[] } {
  const err = args.find((a): a is Error => a instanceof Error);
  const extra = args.filter((a) => a !== err);
  return { err, extra };
}

function log(...args: unknown[]): void {
  if (isDev) console.log(...args);
}

function info(...args: unknown[]): void {
  if (isDev) console.info(...args);
}

function warn(...args: unknown[]): void {
  if (isDev) {
    console.warn(...args);
  } else {
    const { err, extra } = splitArgs(args);
    if (err) {
      Sentry.captureException(err, { level: "warning", extra: { context: extra } });
    } else {
      Sentry.captureMessage(String(args[0]), {
        level: "warning",
        extra: { args: extra.slice(1) },
      });
    }
  }
}

function error(...args: unknown[]): void {
  if (isDev) {
    console.error(...args);
  } else {
    const { err, extra } = splitArgs(args);
    if (err) {
      Sentry.captureException(err, extra.length ? { extra: { context: extra } } : undefined);
    } else {
      Sentry.captureMessage(String(args[0]), {
        level: "error",
        extra: { args: extra.slice(1) },
      });
    }
  }
}

export const logger = { log, info, warn, error };