export type SearchRawReply = Array<any>;

export function transformReply(reply: SearchRawReply, withoutDocuments: boolean): SearchReply {
    const documents = [];
    let i = 1;
    while (i < reply.length) {
        documents.push({
            id: reply[i++],
            value: withoutDocuments ? Object.create(null) : documentValue(reply[i++])
        });
    }

    return {
        total: reply[0],
        documents
    };
}

function documentValue(tuples: any) {
    const message = Object.create(null);

    let i = 0;
    while (i < tuples.length) {
        const key = tuples[i++],
            value = tuples[i++];
        if (key === '$') { // might be a JSON reply
            try {
                Object.assign(message, JSON.parse(value));
                continue;
            } catch {
                // set as a regular property if not a valid JSON
            }
        }

        message[key] = value;
    }

    return message;
}