#!/bin/bash
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
cd "$SCRIPT_DIR"

if [[ ! -f "settings.conf" ]]; then
    echo 'Welcome to JaneAlly! Please enter your OfficeAlly SFTP login details to begin.'
    read -p 'OfficeAlly SFTP address: ' host
    read -p 'OfficeAlly SFTP username: ' user
    read -sp 'OfficeAlly SFTP password: ' pass
    echo -en "host=\"$host\"\nport=\"22\"\nuser=\"$user\"\npass=\"$pass\"" > settings.conf
    echo
fi

. settings.conf
if [[ -f "history.log" ]]; then
    mv history.log history.old
fi

expect <(cat <<EOD
set timeout 20

# Connect to SFTP server
spawn sftp -P $port -oUser=$user -p $host
expect assword:
send "$pass\r"
expect sftp>

# Upload edi files to inbound folder
send "put EDI/*.edi inbound\r"
expect sftp>

# Get list of remittance files
log_file -noappend history.log
send "ls outbound/*ERA_STATUS*.zip -1t\r"
expect "sftp>"
log_file
send "!sed -i '' 1d ./history.log\r"
expect "sftp>"
send "!sed -i '' '/sftp>/d' ./history.log\r"
expect "sftp>"
send "exit\r"
expect eof
EOD
)

newfiles=$(comm -13 history.old history.log | tr -d "\t\n\r" | tr -s ' ')
newfiles=(${newfiles// / })
echo "${#newfiles[@]}"

expect <(cat <<EOD
set timeout 20

# Connect to SFTP server
spawn sftp -P $port -oUser=$user -p $host
expect assword:
send "$pass\r"
expect sftp>
foreach file $newfiles {
    send "get ${newfiles} ERA\r"
    expect "sftp>"
}

send "exit\r"
expect eof
EOD
)

echo 'ERA download complete, cleaning up files...'
rm -f EDI/*.edi
echo 'Clean up complete.'