// app/api/users/[userId]/route.ts
;
import { NextResponse } from "next/server";
import { prisma } from '@/lib/prisma';

export async function GET(
    req: Request,
    { params }: { params: Promise<{ userId: string }> }
) {
    const { userId } = await params;
    try {
        const user = await prisma.telegramUser.findUnique({
            where: { id: userId },
            include: {
                userProducts: {
                    select: {
                        id: true,
                        product: {
                            select: {
                                plan: true,
                                firm: true,
                            },
                        },
                        challengeStatus: true,
                        createdAt: true,
                    }
                },
                UserTicket: true,
                conversations: {
                    orderBy: { createdAt: "desc" },
                    take: 5,
                    include: {
                        _count: {
                            select: { messages: true }
                        },
                        messages: {
                            take: 1,
                            orderBy: { createdAt: "desc" },
                            select: {
                                content: true,
                                createdAt: true
                            }
                        }
                    }
                },
                _count: {
                    select: { conversations: true, UserTicket: true, userTransactions: true, userProducts: true }
                }
            }
        });
        if (!user) {
            return NextResponse.json({ error: "User not found" }, { status: 404 });
        }
        return NextResponse.json(user);
    } catch (error) {
        console.error("[USER_GET]", error);
        return NextResponse.json({ error: "Internal server error" }, { status: 500 });
    }
}

export async function PATCH(
    req: Request,
    { params }: { params: Promise<{ userId: string }> }
) {
    const { userId } = await params;
    try {
        const body = await req.json();
        const { username, firstName, lastName, respondent, consultingRequest } = body;
        const updatedUser = await prisma.telegramUser.update({
            where: { id: userId },
            data: {
                ...(username !== undefined && { username }),
                ...(firstName !== undefined && { firstName }),
                ...(lastName !== undefined && { lastName }),
                ...(respondent !== undefined && { respondent }),
                ...(consultingRequest !== undefined && { consultingRequest }),
                updatedAt: new Date()
            }
        });

        return NextResponse.json(updatedUser);
    } catch (error) {
        console.error("[USER_PATCH]", error);
        return NextResponse.json({ error: "Internal server error" }, { status: 500 });
    }
}

export async function DELETE(
    req: Request,
    { params }: { params: Promise<{ userId: string }> }
) {
    const { userId } = await params;
    try {
        await prisma.telegramUser.delete({
            where: { id: userId }
        });
        return NextResponse.json({ success: true });
    } catch (error) {
        console.error("[USER_DELETE]", error);
        return NextResponse.json({ error: "Internal server error" }, { status: 500 });
    }
}