import type { APIRoute } from "astro";
import { db } from "../../../db";
import { timeEntries, members } from "../../../db/schema";
import { eq, and, isNull } from "drizzle-orm";
import { nanoid } from "nanoid";
import { validateTimeEntryResources } from "../../../lib/validation";

export const POST: APIRoute = async ({ request, locals }) => {
  if (!locals.user) return new Response("Unauthorized", { status: 401 });

  const body = await request.json();
  const description = body.description || "";
  const clientId = body.clientId;
  const tagId = body.tagId || null;

  if (!clientId) {
    return new Response("Client is required", { status: 400 });
  }

  const runningEntry = await db
    .select()
    .from(timeEntries)
    .where(
      and(eq(timeEntries.userId, locals.user.id), isNull(timeEntries.endTime)),
    )
    .get();

  if (runningEntry) {
    return new Response("Timer already running", { status: 400 });
  }

  const member = await db
    .select()
    .from(members)
    .where(eq(members.userId, locals.user.id))
    .limit(1)
    .get();
  if (!member) {
    return new Response("No organization found", { status: 400 });
  }

  const validation = await validateTimeEntryResources({
    organizationId: member.organizationId,
    clientId,
    tagId,
  });

  if (!validation.valid) {
    return new Response(validation.error, { status: 400 });
  }

  const startTime = new Date();
  const id = nanoid();

  await db.insert(timeEntries).values({
    id,
    userId: locals.user.id,
    organizationId: member.organizationId,
    clientId,
    tagId,
    startTime,
    description,
    isManual: false,
  });

  return new Response(JSON.stringify({ id, startTime }), { status: 200 });
};