'use strict';

const AWS = require('aws-sdk');
const dynamo = new AWS.DynamoDB.DocumentClient();

const tableName = process.env.TABLE_NAME;

const createResponse = (statusCode, msg) => {
    return {
        statusCode: statusCode,
        body: JSON.stringify({message: msg})
    }
};

const dbGet = (params) => { return dynamo.get(params).promise() };

exports.test = (event, context, callback) => {

    // throw new Error("KO");
    
    let params = {
        TableName: tableName,
        Key: {
            id: "test"
        }
    };
    
    dbGet(params).then( (data) => {
        if (!data.Item) {
            return callback(null, createResponse(404, "ITEM NOT FOUND"));
        }
        callback(null, createResponse(200, data.Item.message));
    }).catch( (err) => { 
        console.log(`GET ITEM FAILED WITH ERROR: ${err}`);
        callback(null, createResponse(500, err));
    });
};