#!/bin/bash

   
echo "Installing composer..."
    
EXPECTED_CHECKSUM="$(php -r 'copy("https://composer.github.io/installer.sig", "php://stdout");')"
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
ACTUAL_CHECKSUM="$(php -r "echo hash_file('sha384', 'composer-setup.php');")"

if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]
then
    >&2 echo 'ERROR: Invalid installer checksum'
    rm composer-setup.php
    exit 1
fi

php composer-setup.php --quiet
RESULT=$?
rm composer-setup.php

sudo mv composer.phar /usr/local/bin/composer

if [ $RESULT -eq 0 ]; then

    echo '{"error": 0, "status": 0, "progress": 100, "no_progress":0, "message": "Composer installed sucessfully..."}'

else
    echo '{"error": 1, "status": 1, "progress": 100, "no_progress":0, "message": "Error: cannot install composer!"}'
        
    exit 1

fi