import { NextResponse } from "next/server";
import { createAdminSupabaseClient } from "@/lib/supabase/admin";
import { createServerSupabaseClient } from "@/lib/supabase/server";
import {
  RectificationCaseServiceError,
  getRectificationEntrySummary,
  mapRectificationRpcError,
} from "@/lib/rectification-agentic/v9/case-service";

export const runtime = "nodejs";

/**
 * GET /api/rectification/cases/entry-summary
 *
 * Server-truth context for homepage copy; the primary homepage action always creates.
 */
export async function GET() {
  let supabase;
  let accounting;
  try {
    supabase = await createServerSupabaseClient();
    accounting = createAdminSupabaseClient();
  } catch {
    return NextResponse.json({ error: "服务尚未配置" }, { status: 503 });
  }
  const {
    data: { user },
    error: authError,
  } = await supabase.auth.getUser();
  if (authError || !user) {
    return NextResponse.json({ error: "请先登录" }, { status: 401 });
  }

  try {
    return NextResponse.json(await getRectificationEntrySummary(accounting, user.id));
  } catch (error) {
    if (error instanceof RectificationCaseServiceError) {
      const view = mapRectificationRpcError(
        new Error(`agentic_rectification_${error.code}`),
      );
      return NextResponse.json({ error: view.message, code: view.code }, { status: view.status });
    }
    return NextResponse.json(
      { error: "校正服务暂时不可用", code: "rectification_service_failed" },
      { status: 500 },
    );
  }
}