#!/bin/bash
url="https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip"   
case $1 in
  install)
    br=$(if hash curl 2>/dev/null; then echo "curl"; elif hash wget 2>/dev/null; then echo "wget"; fi);
    if [ "$br" = "wget" ]; then
      wget $url -O "awscliv2.zip"   
    else
      curl $url -o "awscliv2.zip"   
    fi
    rm -rf aws
    unzip  awscliv2.zip
    sudo ./aws/install
    mkdir -p data/upload
    mkdir -p data/download
    rm "awscliv2.zip"
    ;;
  configure)
    read -p 'Enter Access KEY: '
    ak=$REPLY
    read -p 'Enter Secret KEY: '
    echo "";
    sk=$REPLY
    echo -e $ak"\n"$sk"\neu-west-1\n\n"|aws configure &>/dev/null
    ;;
  help)
cat << EOF
options:
install - install client software and creates directory structure
configure - enter the credentials: Access Key and Secret Key
sync - syncronize with repository: only update newer files
ls - list all files and directories in the remote repository 
EOF
    ;;
  ls)
    user=`aws sts get-caller-identity|grep Arn|cut -d":" -f7|cut -d"/" -f2|cut -d'"' -f1`
    aws s3 ls --recursive s3://$user
    ;;
  sync)
    user=`aws sts get-caller-identity|grep Arn|cut -d":" -f7|cut -d"/" -f2|cut -d'"' -f1`
    echo $user
    aws s3 sync data s3://$user
    #ojo que falta el --delete y sin el para el append
    aws s3 sync s3://$user/download data/download 
    ;;
  *)
    echo "incorrect option: savana help"  
esac