/**
 * @file Frontend logging routes that pipe client-side logs to the telemetry service.
 * @copyright nhcarrigan
 * @license Naomi's Public License
 * @author Naomi Carrigan
 */
import { Hono } from "hono";
import { logger } from "../services/logger.js";

const validLevels = new Set([ "debug", "info", "warn" ]);

const frontendRouter = new Hono();

frontendRouter.post("/log", async(context) => {
  try {
    const body = await context.req.json<{ level: string; message: string }>();
    // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions -- Runtime body validation
    if (!body.level || !body.message || !validLevels.has(body.level)) {
      return context.json({ error: "level and message are required" }, 400);
    }
    /* eslint-disable-next-line @typescript-eslint/consistent-type-assertions -- validated above */
    void logger.log(body.level as "debug" | "info" | "warn", `[FE] ${body.message}`);
    return context.json({ ok: true });
  } catch (error) {
    void logger.error(
      "frontend_log",
      error instanceof Error
        ? error
        : new Error(String(error)),
    );
    return context.json({ error: "Internal server error" }, 500);
  }
});

frontendRouter.post("/error", async(context) => {
  try {
    const body = await context.req.json<{ context: string; message: string }>();
    // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions -- Runtime body validation
    if (!body.context || !body.message) {
      return context.json({ error: "context and message are required" }, 400);
    }
    void logger.error(`[FE] ${body.context}`, new Error(body.message));
    return context.json({ ok: true });
  } catch (error) {
    void logger.error(
      "frontend_error",
      error instanceof Error
        ? error
        : new Error(String(error)),
    );
    return context.json({ error: "Internal server error" }, 500);
  }
});

export { frontendRouter };