import { NextResponse } from "next/server";
import { prisma } from "@/lib/db";

export async function GET() {
  try {
    const jobs = await prisma.job.findMany({
      orderBy: { createdAt: "desc" },
      take: 100,
    });

    const totalLeads = jobs.reduce((s, j) => s + j.totalLeads, 0);
    const totalEmails = jobs.reduce((s, j) => s + j.emailsFound, 0);
    const completedJobs = jobs.filter(j => j.status === "complete" && j.totalLeads > 0);
    const avgHitRate = completedJobs.length > 0
      ? Math.round(
          completedJobs.reduce((s, j) => s + (j.emailsFound / j.totalLeads) * 100, 0) / completedJobs.length
        )
      : 0;

    return NextResponse.json({
      jobs: jobs.map(j => ({
        id: j.id,
        type: j.type,
        status: j.status,
        totalLeads: j.totalLeads,
        emailsFound: j.emailsFound,
        createdAt: j.createdAt,
        error: j.error,
      })),
      stats: {
        totalJobs: jobs.length,
        totalLeads,
        totalEmails,
        avgHitRate,
      },
    });
  } catch (err) {
    console.error("GET /api/jobs error:", err);
    return NextResponse.json({ jobs: [], stats: {} }, { status: 500 });
  }
}