import { NextResponse } from "next/server";
import {
	getContactById,
	updateContact,
	deleteContact,
	hardDeleteContact,
} from "@/lib/queries/contacts";
import { withAuth } from "@/lib/middleware/auth";

// GET: Get contact by ID
async function getContactHandler(req, { params }) {
	try {
		const contactId = parseInt(params.id);
		const contact = getContactById(contactId);

		if (!contact) {
			return NextResponse.json(
				{ error: "Contact not found" },
				{ status: 404 }
			);
		}

		return NextResponse.json(contact);
	} catch (error) {
		console.error("Error fetching contact:", error);
		return NextResponse.json(
			{ error: "Failed to fetch contact" },
			{ status: 500 }
		);
	}
}

// PUT: Update contact
async function updateContactHandler(req, { params }) {
	try {
		const contactId = parseInt(params.id);
		const data = await req.json();

		// Validate contact type if provided
		if (data.contact_type) {
			const validTypes = [
				"project",
				"contractor",
				"office",
				"supplier",
				"other",
			];
			if (!validTypes.includes(data.contact_type)) {
				return NextResponse.json(
					{ error: "Invalid contact type" },
					{ status: 400 }
				);
			}
		}

		const contact = updateContact(contactId, data);

		if (!contact) {
			return NextResponse.json(
				{ error: "Contact not found" },
				{ status: 404 }
			);
		}

		return NextResponse.json(contact);
	} catch (error) {
		console.error("Error updating contact:", error);
		return NextResponse.json(
			{ error: "Failed to update contact" },
			{ status: 500 }
		);
	}
}

// DELETE: Delete contact (soft delete or hard delete)
async function deleteContactHandler(req, { params }) {
	try {
		const contactId = parseInt(params.id);
		const { searchParams } = new URL(req.url);
		const hard = searchParams.get("hard") === "true";

		if (hard) {
			// Hard delete - permanently remove
			hardDeleteContact(contactId);
		} else {
			// Soft delete - set is_active to 0
			deleteContact(contactId);
		}

		return NextResponse.json({ message: "Contact deleted successfully" });
	} catch (error) {
		console.error("Error deleting contact:", error);
		return NextResponse.json(
			{ error: "Failed to delete contact" },
			{ status: 500 }
		);
	}
}

// Protected routes - require authentication
export const GET = withAuth(getContactHandler);
export const PUT = withAuth(updateContactHandler);
export const DELETE = withAuth(deleteContactHandler);