const AWS = require('aws-sdk');

exports.handler = (_ev, _cont, callback) => {
    const s3 = new AWS.S3();
    const bucketname = process.env.bucketname
    const listParams = {
        Bucket: bucketname,
        MaxKeys: 50
    }

    s3.listObjects(listParams, (err, data) => {
        if (err) {
            console.error(err)
            callback(null, [])
        }

        console.log(data.Contents)
        const ret = data.Contents.map(d => {
            return s3.getSignedUrl('getObject', {
                Bucket: bucketname,
                Key: d.Key
            })
        })
        console.log(ret)
        callback(null, ret)
    })
};