#!/bin/bash

####################################################################
# cygwin-path - Convert Windows paths in Cywin paths & vice versa  #
# Date: 28-03-2020                                                 #
# Author: q3aql                                                    #
# Contact: q3aql@protonmail.ch                                     #
####################################################################
VERSION="1.0"
M_DATE="280320"

# Global parameters
dirTemp="/tmp"
CygPathTempFolder="/tmp/cygwin-path"

# Function to convert Windows path to Cygwin path
# Sintax: convertCygwin "<text>"
function convertCygwin() {
	wordToConvert=${1}
	CygPathSedFile="${CygPathTempFolder}/cygwin-path-${RANDOM}.txt"
	mkdir -p ${CygPathTempFolder} && chmod 777 -R ${CygPathTempFolder} 2> /dev/null
	echo "${wordToConvert}" > ${CygPathSedFile}
	# Apply changes
	sed -i 's/\\/\//g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/A:/\/cygdrive\/a/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/B:/\/cygdrive\/b/g' "${CygPathSedFile}" &> /dev/null
	sed -i 's/C:/\/cygdrive\/c/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/D:/\/cygdrive\/d/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/E:/\/cygdrive\/e/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/F:/\/cygdrive\/f/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/G:/\/cygdrive\/g/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/H:/\/cygdrive\/h/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/I:/\/cygdrive\/i/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/J:/\/cygdrive\/j/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/K:/\/cygdrive\/k/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/L:/\/cygdrive\/l/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/M:/\/cygdrive\/m/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/N:/\/cygdrive\/n/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/O:/\/cygdrive\/o/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/P:/\/cygdrive\/p/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/Q:/\/cygdrive\/q/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/R:/\/cygdrive\/r/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/S:/\/cygdrive\/s/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/T:/\/cygdrive\/t/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/U:/\/cygdrive\/u/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/V:/\/cygdrive\/v/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/W:/\/cygdrive\/w/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/X:/\/cygdrive\/x/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/Y:/\/cygdrive\/y/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/Z:/\/cygdrive\/z/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/ / /g' "${CygPathSedFile}" &> /dev/null
	# Show file without extension
	wordToConvert=$(cat ${CygPathSedFile})
	echo "\"${wordToConvert}\""
}

# Function to convert Cygwin path to Windows path
# Sintax: convertWindows "<text>"
function convertWindows() {
	wordToConvert=${1}
	CygPathSedFile="${CygPathTempFolder}/cygwin-path-${RANDOM}.txt"
	mkdir -p ${CygPathTempFolder} && chmod 777 -R ${CygPathTempFolder} 2> /dev/null
	echo "${wordToConvert}" > ${CygPathSedFile}
	# Apply changes
  sed -i 's/\/cygdrive\/a/A:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/b/B:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/c/C:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/d/D:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/e/E:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/f/F:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/g/G:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/h/H:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/i/I:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/j/J:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/k/K:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/l/L:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/m/M:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/n/N:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/o/O:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/p/P:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/q/Q:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/r/R:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/s/S:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/t/T:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/u/U:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/v/V:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/w/W:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/y/Y:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\/cygdrive\/z/Z:/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\//\\/g' "${CygPathSedFile}" &> /dev/null
  sed -i 's/\\ / /g' "${CygPathSedFile}" &> /dev/null
	# Show file without extension
	wordToConvert=$(cat ${CygPathSedFile})
	echo "\"${wordToConvert}\""
}

# Show help
if [ -z "${1}" ] ; then
	echo ""
	echo "* cygwin-path v${VERSION} (${M_DATE})"
	echo ""
	echo "* Convert Windows paths in Cywin paths & vice versa"
  echo ""
	echo "+ Sintax: "
	echo ""
	echo "  $ cygwin-path -c \"<Windows path>\" --> Convert Windows path to Cygwin path"
  echo "  $ cygwin-path -w \"<Cygwin path>\" --> Convert Cygwin path to Windows path"
	echo ""
	echo "+ Examples: "
  echo ""
  echo "    $ cygwin-path -c \"C:\\Users\\test\Desktop\\my-notes.txt\""
  echo "    $ cygwin-path -w \"/cygdrive/c/Users/test/Desktop/my-notes.txt\""
	echo ""
	exit
else
  if [ "${1}" == "-c" ] ; then
    convertCygwin "${2}"
  elif [ "${1}" == "-w" ] ; then
    convertWindows "${2}"
  else
    # Show help if sintax is wrong
    echo ""
    echo "* cygwin-path v${VERSION} (${M_DATE})"
    echo ""
    echo "* Convert Windows paths in Cywin paths & vice versa"
    echo ""
    echo "+ Sintax: "
    echo ""
    echo "  $ cygwin-path -c \"<Windows path>\" --> Convert Windows path to Cygwin path"
    echo "  $ cygwin-path -w \"<Cygwin path>\" --> Convert Cygwin path to Windows path"
    echo ""
    echo "+ Examples: "
    echo ""
    echo "    $ cygwin-path -c \"C:\\Users\\test\Desktop\\my-notes.txt\""
    echo "    $ cygwin-path -w \"/cygdrive/c/Users/test/Desktop/my-notes.txt\""
    echo ""
    exit
  fi
fi