import { NextResponse } from 'next/server';
import { prisma } from '@/lib/prisma';
import type { Prisma } from '@prisma/client';

export async function GET(
    request: Request,
    { params }: { params: Promise<{ id: string }> }
) {
    const id = (await params).id;
    try {
        const page = await prisma.page.findUnique({
            where: { id },
        });
        if (!page) return NextResponse.json({ error: 'Page not found' }, { status: 404 });
        return NextResponse.json({ ...page, tags: JSON.parse(page.tags || "[]") });
    } catch {
        return NextResponse.json({ error: 'Error fetching page' }, { status: 500 });
    }
}

export async function PUT(
    request: Request,
    { params }: { params: Promise<{ id: string }> }
) {
    const id = (await params).id;
    try {
        const body = await request.json();
        // Separate update logic for flexibility (e.g. only updating title)
        const updateData: Prisma.PageUncheckedUpdateInput = {};
        if (body.title !== undefined) updateData.title = body.title;
        if (body.content !== undefined) updateData.content = body.content;
        if (body.parentId !== undefined) updateData.parentId = body.parentId;
        if (body.tags !== undefined) updateData.tags = JSON.stringify(body.tags);
        if (body.icon !== undefined) updateData.icon = body.icon;
        if (body.isLocked !== undefined) updateData.isLocked = body.isLocked;

        const page = await prisma.page.update({
            where: { id },
            data: updateData,
        });
        return NextResponse.json({ ...page, tags: JSON.parse(page.tags || "[]") });
    } catch {
        return NextResponse.json({ error: 'Error updating page' }, { status: 500 });
    }
}

export async function DELETE(
    request: Request,
    { params }: { params: Promise<{ id: string }> }
) {
    const id = (await params).id;
    try {
        await prisma.page.delete({
            where: { id },
        });
        return NextResponse.json({ success: true });
    } catch {
        return NextResponse.json({ error: 'Error deleting page' }, { status: 500 });
    }
}