'use strict';

const moment = require('moment');

function extract(raw) {
    if (!raw) return null;
    const lines = raw.trim().split(/[\n\r]+/m);
    if (!lines) return null;

    const result = {
        metadata: {
            status: null,
            from: null,
            ts: null,
            raw: null,
        },
        message: null,
        raw,
    };

    const metadata = lines[0].split(',').map(el => el.replace(/"/g, '')) || [];

    [result.metadata.raw] = lines;
    result.metadata.status = typeof metadata[0] === 'string' ? metadata[0].replace(/^.+: /, '') : '';
    // result.metadata.from = typeof metadata[1] === 'string' ? metadata[1].replace(/^\+/, '') : '';
    [, result.metadata.from] = metadata;

    const tsFromRaw = `${metadata[3]} ${(metadata[4] || '').replace(/\+\d+/, '')}`;
    result.metadata.ts = moment(tsFromRaw, 'YY/MM/DD HH:mm:ss').format('YYYY-MM-DD HH:mm:ss');

    result.message = lines.slice(1).join('\n').trim();
    return result;
}

exports.extract = extract;