brackt/app/routes/api/draft.start.ts

import { getAuth } from "@clerk/react-router/server";
import { database } from "~/database/context";
import * as schema from "~/database/schema";
import { eq, and } from "drizzle-orm";
import { getSocketIO } from "../../../server/socket";

export async function action(args: any) {
  const { request } = args;
  const auth = await getAuth(args);
  const userId = (auth as any).userId as string | null;

  if (!userId) {
    return Response.json({ error: "Unauthorized" }, { status: 401 });
  }

  const formData = await request.formData();
  const seasonId = formData.get("seasonId") as string;

  if (!seasonId) {
    return Response.json({ error: "Missing seasonId" }, { status: 400 });
  }

  const db = database();

  // Get season details
  const season = await db.query.seasons.findFirst({
    where: eq(schema.seasons.id, seasonId),
  });

  if (!season) {
    return Response.json({ error: "Season not found" }, { status: 404 });
  }

  // Check if user is commissioner
  const isCommissioner = await db.query.commissioners.findFirst({
    where: and(
      eq(schema.commissioners.leagueId, season.leagueId),
      eq(schema.commissioners.userId, userId)
    ),
  });

  if (!isCommissioner) {
    return Response.json({ error: "Only commissioners can start the draft" }, { status: 403 });
  }

  // Check if draft already started
  if (season.status === "draft" || season.status === "active" || season.status === "completed") {
    return Response.json({ error: "Draft already started or completed" }, { status: 400 });
  }

  // Validate draft slots exist before modifying any state
  const draftSlots = await db.query.draftSlots.findMany({
    where: eq(schema.draftSlots.seasonId, seasonId),
  });

  if (draftSlots.length === 0) {
    return Response.json({ error: "No draft slots found for this season" }, { status: 400 });
  }

  // Update season status to draft
  await db
    .update(schema.seasons)
    .set({
      status: "draft",
      currentPickNumber: 1,
    })
    .where(eq(schema.seasons.id, seasonId));

  const initialTime = season.draftInitialTime || 120;

  // Delete existing timers for this season
  await db
    .delete(schema.draftTimers)
    .where(eq(schema.draftTimers.seasonId, seasonId));

  // Insert new timers for all teams in a single batch
  await db
    .insert(schema.draftTimers)
    .values(
      draftSlots.map((slot) => ({
        seasonId,
        teamId: slot.teamId,
        timeRemaining: initialTime,
      }))
    );

  // Emit socket event
  try {
    getSocketIO().to(`draft-${seasonId}`).emit("draft-started", {
      seasonId,
      currentPickNumber: 1,
    });
  } catch (error) {
    console.error("Socket.IO error:", error);
  }

  return Response.json({ success: true });
}