import { auth } from "@/lib/auth";
import { prisma } from "@/lib/prisma";
import {
  createNextdoorCampaign,
  createNextdoorAdGroup,
  uploadNextdoorCreative,
  createNextdoorAd,
} from "@/lib/nextdoor";

export async function POST(request: Request) {
  const session = await auth();
  if (!session) return new Response("Unauthorized", { status: 401 });

  const { assetIds, budget, schedule, targeting, copy } = await request.json();

  if (!assetIds?.length) {
    return Response.json({ error: "assetIds required" }, { status: 400 });
  }

  try {
    // Create campaign
    const campaignResult = await createNextdoorCampaign(
      `Auto Campaign ${new Date().toISOString().slice(0, 10)}`,
      budget || 50,
      schedule || {
        startDate: new Date().toISOString(),
        endDate: new Date(Date.now() + 7 * 86400000).toISOString(),
      }
    );
    const ndCampaignId = campaignResult.createCampaign.campaign.id;

    // Create ad group
    const adGroupResult = await createNextdoorAdGroup(
      ndCampaignId,
      targeting || {}
    );
    const adGroupId = adGroupResult.createAdGroup.adGroup.id;

    const results = [];

    for (const id of assetIds) {
      const asset = await prisma.asset.findUnique({ where: { id } });
      if (!asset) continue;

      try {
        // Upload creative (requires public URL — would need Postiz upload first)
        const creativeResult = await uploadNextdoorCreative(
          `/api/files/${asset.filePath}`
        );
        const creativeId = creativeResult.createCreative.creative.id;

        // Create ad
        const metadata = asset.metadata ? JSON.parse(asset.metadata) : {};
        await createNextdoorAd(adGroupId, creativeId, {
          headline: metadata.headline || "Check this out",
          body: metadata.caption || "",
          ctaText: copy?.ctaText || "Learn More",
          destinationUrl: copy?.destinationUrl || "https://example.com",
        });

        await prisma.asset.update({
          where: { id },
          data: { status: "published", publishedTo: JSON.stringify(["nextdoor"]) },
        });

        results.push({ id, status: "published" });
      } catch (error) {
        results.push({
          id,
          status: "failed",
          error: error instanceof Error ? error.message : "Unknown error",
        });
      }
    }

    return Response.json({ campaignId: ndCampaignId, adGroupId, results });
  } catch (error) {
    return Response.json(
      { error: error instanceof Error ? error.message : "Failed" },
      { status: 500 }
    );
  }
}