// API route to refresh (fetch+parse+update) session data for a company
import { NextApiRequest, NextApiResponse } from "next";
import { fetchAndParseCsv } from "../../../lib/csvFetcher";
import { prisma } from "../../../lib/prisma";

export default async function handler(req: NextApiRequest, res: NextApiResponse) {
    // Check if this is a POST request
    if (req.method !== "POST") {
        return res.status(405).json({ error: "Method not allowed" });
    }

    // Get companyId from body or query
    let { companyId } = req.body;

    if (!companyId) {
        // Try to get user from prisma based on session cookie
        try {
            const session = await prisma.session.findFirst({
                orderBy: { createdAt: 'desc' },
                where: { /* Add session check criteria here */ }
            });

            if (session) {
                companyId = session.companyId;
            }
        } catch (error) {
            console.error("Error fetching session:", error);
        }
    }

    if (!companyId) {
        return res.status(400).json({ error: "Company ID is required" });
    }

    const company = await prisma.company.findUnique({ where: { id: companyId } });
    if (!company) return res.status(404).json({ error: "Company not found" });

    try {
        // @ts-expect-error - Handle type conversion on session import
        const sessions = await fetchAndParseCsv(company.csvUrl, company.csvUsername as string | undefined, company.csvPassword as string | undefined);

        // Replace all session rows for this company (for demo simplicity)
        await prisma.session.deleteMany({ where: { companyId: company.id } });
        for (const session of sessions) {
            // @ts-expect-error - Proper data mapping would be needed for production
            await prisma.session.create({
                // @ts-expect-error - We ensure id is present but TypeScript doesn't know
                data: {
                    ...session,
                    id: session.id || session.sessionId || `sess_${Date.now()}_${Math.random().toString(36).substring(2, 7)}`,
                    companyId: company.id,
                },
            });
        }
        res.json({ ok: true, imported: sessions.length });
    } catch (e) {
        const error = e instanceof Error ? e.message : 'An unknown error occurred';
        res.status(500).json({ error });
    }
}