import * as AWS from 'aws-sdk';
import {IResponse, response} from './tools';

AWS.config.update({region: 'us-east-1'}); // Virginia
const uuid = require('uuid/v1'); // version 1 is based on time (not random)

const SES = new AWS.SES(); //{apiVersion: '2010-12-01'}
const SNS = new AWS.SNS();

export interface ILog {
    id?: string;
    kind: string;
    event: string;
    message: string;
    referenceId: string;
    data: any;
    type: string;
}

function parseValues(content: string, values: any): string {
    const keys = Object.keys(values);

    for (let i = 0; i < keys.length; i++) {
        const reg = new RegExp('{{' + keys[i] + '}}', 'g');
        content = content.toString().replace(reg, values[keys[i]]);
    }

    return content;
}

export class Log {
    /**
     *
     * @param {INotify} body
     * @param subject
     * @param topicArn
     * @returns {Promise<>}
     */
    async sendLog(body: ILog, subject: string, topicArn?: string): Promise<IResponse> {

        if (!topicArn && process.env.SNS_TOPIC_ARN_HISTORY_LOG) {
            topicArn = process.env.SNS_TOPIC_ARN_HISTORY_LOG;
        } else if (!topicArn && !process.env.SNS_TOPIC_ARN_HISTORY_LOG) {
            return response(false, 'bln-ignore');
        }

        // Create sns params
        const eventText = JSON.stringify(body);
        let sns = new AWS.SNS();
        let params = {
            Message: eventText,
            Subject: subject,
            TopicArn: topicArn
        };
        try {
            params['ResponseMetadata'] = await sns.publish(params).promise();
            return response(true, null, params);

        } catch (error) {
            console.log(60, error);
            return response(false, 'bln-ignore-try-catch', error.message);
        }
    }
}