#!/bin/bash

# fixMail
# Disables Yosewmite Mail SMTP/IMAP 'Automatically detect and maintain acount settings' option
# labs@topicdesk.com

# usage
# ./fixMail TargetDomain [LocalUser]
# ./fixMail topicdesk.com jeff
# topicdesk.com is our search string for IMAP/SMTP accounts to edit.
# jeff is my local computer account: /Users/jeff
# LocalUser is optional and defaults to the currently logged in user.

echo -e "\n\n"

# Check PlistBuddy
[ ! -f /usr/libexec/PlistBuddy ] && ( echo -e "Missing: /usr/libexec/PlistBuddy\nCannot continue\n"; exit 1 )

[ -n "$1" ] && domain="$1" || (echo "You must specify a domain: fixMail TargetDomain [LocalUser]"; exit 1)
[ -n "$2" ] && username="$2" || username=$(who | grep console | awk '{ print $1 }' | head)

# get user home directory
userhome=$(dscl /Search -read /Users/$username NFSHomeDirectory) || (echo "Could not find home directory for: $username"; exit 1)

echo "Target Domain: $domain"
plist="$(echo $userhome | awk '{ print $2 }')/Library/Mail/V2/MailData/Accounts.plist"
[ -f "$plist" ] &&  echo "Found plist: $plist" || ( echo -e "Missing: $plist\nCan not continue\n" exit 1 )

# backup plist 
plistBak="/tmp/Accounts.plist.`date  +"%Y-%m-%d_%Hh%Mm"`"
cp "$plist" "$plistBak"
echo "plist backed up to to: $plistBak"
 
# crudely quit Mail
killall Mail 2> /dev/null

set_smtp() { 
  /usr/libexec/PlistBuddy -c "Set :DeliveryAccounts:$COUNTER:$1 $2" "$plist"
  echo "SMTP Updated"
  }

set_imap() {
  /usr/libexec/PlistBuddy -c "Set :MailAccounts:$COUNTER:$1 $2" "$plist"
  echo "IMAP Updated"
  }

# Read each SMTP Account and edit only entries which match the target domain.
COUNTER=0
grep "<string>SMTPAccount</string>" "$plist" 2>/dev/null | while read line
do
  if /usr/libexec/PlistBuddy -c "Print :DeliveryAccounts:$COUNTER:Hostname" "$plist" 2>/dev/null | grep -q "$domain"; then
    set_smtp ConfigureDynamically 0
    # other setting can be included here. See ReadMe
  fi   
  COUNTER=$[$COUNTER +1]
done

# Read MailAccounts accounts and edit those matching $domain
COUNTER=0
grep "AccountPath" "$plist" 2>/dev/null | while read line
do
  if /usr/libexec/PlistBuddy -c "Print :MailAccounts:$COUNTER:AccountPath" "$plist" 2>/dev/null | grep -q "$domain"; then
    set_imap ConfigureDynamically 0
    # other setting can be included here. See ReadMe
  fi
  COUNTER=$[$COUNTER +1]
done
 
# clear defaults cache
killall cfprefsd 2>/dev/null
defaults read "$plist" > /dev/null

echo Done

exit 0