#!/bin/bash

#logFile="$HOME/.managePasswords.log"
#echo "first arg $0" 1>"$logFile"
#echo "second arg $1" 1>>"$logFile"

inputDialog="$HOME/inputDialog.tcl"
passFile="$HOME/.gitPwdData"

originUrl=`git config --get remote.origin.url`
containsUsername=`git config --get remote.origin.url | grep -c "@"`

getPassword() {

	#echo "File: $passFile" 1>>"$logFile"
	if [ -e "$passFile" ]
	then
	  #   echo "Storage File - Found" 1>>"$logFile"
	  password=`git config --file "$passFile" --get remote."$originUrl".password`   
	  #   echo "From file: $password" 1>>"$logFile"
	else 
	  #   echo "Storage File - Not Found" 1>>"$logFile"
	  echo "#Git Passwords" 1>"$passFile"
	fi


	if [ -z "$password" ]
	then
	  #   echo "Password From File Null - [$password]" 1>>"$logFile" 
	  password=`exec wish "$inputDialog" -- "Git Password" "Enter Password" | sed 's/^{//' | sed 's/}$//'`
	fi


	#Save password in file
	if [ -n "$password" ]
	then
	  #   echo "Password Not Null - [$password]" 1>>"$logFile"  
	  git config --file "$passFile" remote."$originUrl".password ""$password""
	fi

	echo "$password"
}

getUsername() {

	#echo "File: $passFile" 1>>"$logFile"
	if [ -e "$passFile" ]
	then
	  #   echo "Storage File - Found" 1>>"$logFile"
	  username=`git config --file "$passFile" --get remote."$originUrl".username`   
	  #   echo "From file: $username" 1>>"$logFile"
	else 
	  #   echo "Storage File - Not Found" 1>>"$logFile"
	  echo "#Git Passwords" 1>"$passFile"
	fi


	if [ -z "$username" ]
	then
	  #   echo "Username From File Null - [$username]" 1>>"$logFile" 
	  username=`exec wish "$inputDialog" -- "Git UserName" "Enter UserName" | sed 's/^{//' | sed 's/}$//'`
	fi


	#Save username in file
	if [ -n "$username" ]
	then
	  #   echo "Password Not Null - [$username]" 1>>"$logFile"  
	  git config --file "$passFile" remote."$originUrl".username ""$username""
	fi

	echo "$username"
}

changePassword(){

	if [ ! -e "$passFile" ]
	then
	  echo "#Git Passwords" 1>"$passFile"
	fi

	if [ "0" -eq "$containsUsername" ]	
	then 
		new_username=`exec wish "$inputDialog" -- "Git UserName" "Enter UserName" | sed 's/^{//' | sed 's/}$//'`
		if [ -n "$new_username" ]
		then
	   	git config --file "$passFile" remote."$originUrl".username ""$new_username""
		fi
	fi
	
	new_password=`exec wish "$inputDialog" -- "Git Password" "Enter Password" | sed 's/^{//' | sed 's/}$//'`
	if [ -n "$new_password" ]
	then
	    git config --file "$passFile" remote."$originUrl".password ""$new_password""
	fi
}


case "$1" in
  update)
    changePassword
    ;;
  *)
    if [[ $1 == P* ]]
    then
    	getPassword
    else
    	getUsername
    fi  
    exit 0
esac