import { auth } from "@/lib/auth";
import {
    deletePhotoCollection,
    getAdminPhotoCollection,
    updatePhotoCollection,
} from "@/server/admin/photo-collections";
import { NextResponse } from "next/server";
import { z } from "zod";

export const runtime = "nodejs";
export const dynamic = "force-dynamic";

const collectionInputSchema = z.object({
    title: z.string().min(1),
    slug: z.string().optional().nullable(),
    description: z.string().optional().nullable(),
    coverPhotoId: z.string().uuid().optional().nullable(),
    isPublished: z.boolean().default(false),
    photoIds: z.array(z.string().uuid()).default([]),
});

async function requireAdminSession() {
    const session = await auth();

    if (!session) {
        return null;
    }

    return session;
}

export async function GET(
    _request: Request,
    { params }: { params: Promise<{ id: string }> },
) {
    try {
        const session = await requireAdminSession();

        if (!session) {
            return NextResponse.json(
                { ok: false, error: "Unauthorized." },
                { status: 401 },
            );
        }

        const { id } = await params;
        const data = await getAdminPhotoCollection(id);

        if (!data) {
            return NextResponse.json(
                { ok: false, error: "Collection was not found." },
                { status: 404 },
            );
        }

        return NextResponse.json({
            ok: true,
            data,
        });
    } catch (error) {
        const message =
            error instanceof Error ? error.message : "Unknown error.";
        return NextResponse.json(
            { ok: false, error: message },
            { status: 500 },
        );
    }
}

export async function PATCH(
    request: Request,
    { params }: { params: Promise<{ id: string }> },
) {
    try {
        const session = await requireAdminSession();

        if (!session) {
            return NextResponse.json(
                { ok: false, error: "Unauthorized." },
                { status: 401 },
            );
        }

        const parsed = collectionInputSchema.safeParse(await request.json());

        if (!parsed.success) {
            return NextResponse.json(
                { ok: false, error: "Invalid request body." },
                { status: 400 },
            );
        }

        const { id } = await params;
        const data = await updatePhotoCollection(id, parsed.data);

        return NextResponse.json({
            ok: true,
            data,
        });
    } catch (error) {
        const message =
            error instanceof Error ? error.message : "Unknown error.";
        return NextResponse.json(
            { ok: false, error: message },
            { status: 500 },
        );
    }
}

export async function DELETE(
    _request: Request,
    { params }: { params: Promise<{ id: string }> },
) {
    try {
        const session = await requireAdminSession();

        if (!session) {
            return NextResponse.json(
                { ok: false, error: "Unauthorized." },
                { status: 401 },
            );
        }

        const { id } = await params;
        await deletePhotoCollection(id);

        return NextResponse.json({
            ok: true,
        });
    } catch (error) {
        const message =
            error instanceof Error ? error.message : "Unknown error.";
        return NextResponse.json(
            { ok: false, error: message },
            { status: 500 },
        );
    }
}