import { NextRequest, NextResponse } from "next/server";
import { prisma } from "@/lib/db";
import { getApiKey } from "@/lib/utils/apiKey";
import { cleanDomain } from "@/lib/utils/domains";
import { bulkSearchDomains, type DecisionMakerCategory } from "@/lib/services/anymailfinder";

export async function POST(req: NextRequest) {
  try {
    const body = await req.json() as {
      companies: Array<{ name: string; domain: string }>;
      categories: DecisionMakerCategory[];
    };

    const { companies, categories } = body;
    if (!companies?.length) {
      return NextResponse.json({ error: "No companies provided" }, { status: 400 });
    }

    const apiKey = await getApiKey("anymailfinder");
    if (!apiKey) return NextResponse.json({ error: "Anymailfinder API key not configured" }, { status: 400 });

    // Build domain → company map
    const domainMap = new Map<string, string>();
    for (const c of companies) {
      const d = cleanDomain(c.domain);
      if (d) domainMap.set(d, c.name);
    }
    const domains = Array.from(domainMap.keys());

    const job = await prisma.job.create({
      data: {
        type: "airscale",
        status: "running",
        config: JSON.stringify({ categories, totalDomains: domains.length }),
        totalLeads: domains.length,
      },
    });

    // Run enrichment in background
    runEnrichment(job.id, domains, domainMap, categories, apiKey).catch(console.error);

    return NextResponse.json({ jobId: job.id });
  } catch (err) {
    console.error("POST /api/jobs/airscale-enrich error:", err);
    return NextResponse.json({ error: "Failed to start job" }, { status: 500 });
  }
}

async function runEnrichment(
  jobId: string,
  domains: string[],
  domainMap: Map<string, string>,
  categories: DecisionMakerCategory[],
  apiKey: string
) {
  try {
    // Use bulk API: submit all domains, poll for completion, then store results.
    const results = await bulkSearchDomains(
      domains,
      categories,
      apiKey,
      async (processed, total) => {
        // Update progress while bulk job is running
        await prisma.job.update({
          where: { id: jobId },
          data: { totalLeads: total },
        });
      }
    );

    // Store all results
    let emailsFound = 0;
    for (const result of results) {
      const hasEmail = !!result.valid_email;
      if (hasEmail) emailsFound++;

      await prisma.leadResult.create({
        data: {
          jobId,
          companyName: domainMap.get(result.domain || "") || null,
          domain: result.domain || null,
          contactName: result.person_full_name || null,
          contactTitle: result.person_job_title || null,
          email: result.email || null,
          confidence: result.valid_email ? 1.0 : result.email_status === "risky" ? 0.5 : 0,
          linkedinUrl: result.person_linkedin_url || null,
          source: JSON.stringify({ email_status: result.email_status, category: result.decision_maker_category }),
        },
      });
    }

    await prisma.job.update({
      where: { id: jobId },
      data: { status: "complete", emailsFound, totalLeads: results.length },
    });
  } catch (err) {
    const message = err instanceof Error ? err.message : String(err);
    await prisma.job.update({
      where: { id: jobId },
      data: { status: "failed", error: message },
    });
  }
}