import type { PayloadRequest, PayloadHandler } from "payload";

export const convertInquiryEndpoint: PayloadHandler = async (
  req: PayloadRequest,
) => {
  const { id } = req.routeParams;
  const payload = req.payload;

  try {
    const inquiry = await payload.findByID({
      collection: "inquiries",
      id: String(id),
    });

    if (!inquiry) {
      return Response.json({ error: "Inquiry not found" }, { status: 404 });
    }

    if ((inquiry as any).processed) {
      return Response.json(
        { error: "Inquiry is already processed" },
        { status: 400 },
      );
    }

    // 1. Create CrmAccount
    const companyName = inquiry.companyName || inquiry.name;
    const account = await payload.create({
      collection: "crm-accounts",
      data: {
        name: companyName,
        status: "lead",
        leadTemperature: "warm", // Warm because they reached out
      },
    });

    // 2. Create CrmContact
    const contact = await payload.create({
      collection: "crm-contacts",
      data: {
        firstName: inquiry.name.split(" ")[0] || inquiry.name,
        lastName: inquiry.name.split(" ").slice(1).join(" ") || "",
        email: inquiry.email,
        account: account.id,
      },
    });

    // 3. Create CrmInteraction (Journal)
    let journalSummary = `User submitted an inquiry.\n\nProject Type: ${inquiry.projectType || "N/A"}`;
    if (inquiry.message) {
      journalSummary += `\n\nMessage:\n${inquiry.message}`;
    }
    if (inquiry.config) {
      journalSummary += `\n\nConfigData:\n${JSON.stringify(inquiry.config, null, 2)}`;
    }

    await payload.create({
      collection: "crm-interactions",
      data: {
        subject: `Website Anfrage: ${inquiry.projectType || "Allgemein"}`,
        type: "email", // Use "type" field underneath ("channel" label)
        date: new Date().toISOString(),
        summary: journalSummary,
        account: account.id,
        contact: contact.id,
      } as any,
    });

    // 4. Mark Inquiry as processed
    await payload.update({
      collection: "inquiries",
      id: String(id),
      data: {
        processed: true,
      } as any,
    });

    return Response.json({
      message: "Inquiry successfully converted to CRM Lead.",
      accountId: account.id,
    });
  } catch (error) {
    console.error("Convert inquiry error:", error);
    return Response.json(
      { error: error instanceof Error ? error.message : "Unknown error" },
      { status: 500 },
    );
  }
};