import { Hono } from "hono";
import { bodyLimit } from "hono/body-limit";
import { desc, eq } from "drizzle-orm";
import type { AppDatabase, AuthEnv, createAuth } from "../auth";
import { reminderDeliveries, reminderSettings } from "../db/schema";
import { defaultReminder, reminderInput } from "./contracts";

export function createReminderRoutes(db: AppDatabase, auth: ReturnType<typeof createAuth>, available: boolean, now: () => number) {
  const app = new Hono<AuthEnv>();
  app.use("*", auth.requireAuth);
  app.get("/", c => {
    const userId = c.get("user").id;
    const prefs = db.select().from(reminderSettings).where(eq(reminderSettings.userId, userId)).get() ?? defaultReminder;
    const last = db.select().from(reminderDeliveries).where(eq(reminderDeliveries.userId, userId)).orderBy(desc(reminderDeliveries.updatedAt)).get();
    return c.json({ enabled: prefs.enabled, time: prefs.time, quietStart: prefs.quietStart, quietEnd: prefs.quietEnd, available,
      lastDelivery: last ? { date: last.date, status: last.status === "pending" ? "uncertain" : last.status } : null });
  });
  app.put("/", auth.requireSameOrigin, bodyLimit({ maxSize: 2048 }), async c => {
    const parsed = reminderInput.safeParse(await c.req.json().catch(() => null));
    if (!parsed.success) return c.json({ error: "Choose valid reminder and quiet-hour times." }, 422);
    if (parsed.data.enabled && !available) return c.json({ error: "Discord reminders are not configured on this server." }, 422);
    const row = { ...parsed.data, updatedAt: now() };
    db.insert(reminderSettings).values({ userId: c.get("user").id, ...row })
      .onConflictDoUpdate({ target: reminderSettings.userId, set: row }).run();
    return c.json(parsed.data);
  });
  return app;
}