import config from "../../../../config/index.js";
export async function PaginationMiddleware(ctx, next) {
    await next();
    if (!ctx.pagination) return;
    const link = [];
    const limit = ctx.pagination.limit;
    if (ctx.pagination.maxId) {
        const l = `<${config.url}/api${ctx.path}?limit=${limit}&max_id=${ctx.pagination.maxId}>; rel="next"`;
        link.push(l);
    }
    if (ctx.pagination.minId) {
        const l = `<${config.url}/api${ctx.path}?limit=${limit}&min_id=${ctx.pagination.minId}>; rel="prev"`;
        link.push(l);
    }
    if (link.length > 0) {
        ctx.response.append('Link', link.join(', '));
    }
}
export function generatePaginationData(ids, limit) {
    if (ids.length < 1) return undefined;
    return {
        limit: limit,
        maxId: ids.length < limit ? undefined : ids.at(-1),
        minId: ids.at(0)
    };
}