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

export async function POST(req: NextRequest) {
  try {
    const body = await req.json() as {
      queries: string[];
      maxResultsPerQuery: number;
      languageCode: string;
      categories: DecisionMakerCategory[];
      enrichEmails: boolean;
    };

    const { queries, maxResultsPerQuery, languageCode, categories, enrichEmails } = body;

    if (!queries?.length) {
      return NextResponse.json({ error: "No search queries provided" }, { status: 400 });
    }

    const mapsApiKey = await getApiKey("googlemaps");
    if (!mapsApiKey) return NextResponse.json({ error: "Google Maps API key not configured" }, { status: 400 });

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

    const job = await prisma.job.create({
      data: {
        type: "maps",
        status: "running",
        config: JSON.stringify({ queries, maxResultsPerQuery, languageCode, categories, enrichEmails }),
        totalLeads: 0,
      },
    });

    runMapsEnrich(job.id, body, mapsApiKey).catch(console.error);

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

async function runMapsEnrich(
  jobId: string,
  params: {
    queries: string[];
    maxResultsPerQuery: number;
    languageCode: string;
    categories: DecisionMakerCategory[];
    enrichEmails: boolean;
  },
  mapsApiKey: string
) {
  try {
    // 1. Search Google Maps
    const places = await searchPlacesMultiQuery(
      params.queries,
      mapsApiKey,
      params.maxResultsPerQuery,
      params.languageCode,
      async (_done, _total) => {
        await prisma.job.update({ where: { id: jobId }, data: { totalLeads: _done } });
      }
    );

    await prisma.job.update({
      where: { id: jobId },
      data: { totalLeads: places.length },
    });

    // 2. Store raw Google Maps results immediately
    for (const place of places) {
      await prisma.leadResult.create({
        data: {
          jobId,
          companyName: place.name || null,
          domain: place.domain || null,
          source: JSON.stringify({
            address: place.address,
            phone: place.phone,
            website: place.website,
            placeId: place.placeId,
          }),
        },
      });
    }

    // 3. Optionally enrich with Anymailfinder
    if (params.enrichEmails && places.length > 0) {
      const anymailKey = await getApiKey("anymailfinder");
      if (!anymailKey) throw new Error("Anymailfinder key missing");
      const domains = places.filter(p => p.domain).map(p => p.domain!);

      // Map domain → placeId for updating results
      const domainToResultId = new Map<string, string>();
      const existingResults = await prisma.leadResult.findMany({
        where: { jobId },
        select: { id: true, domain: true },
      });
      for (const r of existingResults) {
        if (r.domain) domainToResultId.set(r.domain, r.id);
      }

      let emailsFound = 0;
      const enrichResults = await bulkSearchDomains(
        domains,
        params.categories,
        anymailKey,
        async (_completed, total) => {
          await prisma.job.update({ where: { id: jobId }, data: { totalLeads: total } });
        }
      );

      for (const result of enrichResults) {
        const hasEmail = !!result.valid_email;
        if (hasEmail) emailsFound++;

        const resultId = domainToResultId.get(result.domain || "");
        if (!resultId) continue;

        await prisma.leadResult.update({
          where: { id: resultId },
          data: {
            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,
          },
        });

        await prisma.job.update({ where: { id: jobId }, data: { emailsFound } });
      }

      await prisma.job.update({
        where: { id: jobId },
        data: { status: "complete", emailsFound, totalLeads: places.length },
      });
    } else {
      await prisma.job.update({
        where: { id: jobId },
        data: { status: "complete", totalLeads: places.length },
      });
    }

    // Sync to LeadVault
    const finalResults = await prisma.leadResult.findMany({ where: { jobId } });
    await sinkLeadsToVault(
      finalResults.map(r => {
        let src: { phone?: string; address?: string } = {};
        try { src = JSON.parse(r.source || "{}"); } catch { /* ignore */ }
        return {
          domain: r.domain,
          companyName: r.companyName,
          contactName: r.contactName,
          contactTitle: r.contactTitle,
          email: r.email,
          linkedinUrl: r.linkedinUrl,
          emailConfidence: r.confidence,
          phone: src.phone || null,
          address: src.address || null,
        };
      }),
      "maps",
      params.queries.join(", "),
      jobId,
    );
  } catch (err) {
    const message = err instanceof Error ? err.message : String(err);
    await prisma.job.update({
      where: { id: jobId },
      data: { status: "failed", error: message },
    });
  }
}