#!/bin/zsh

RETVAL=0

# CONF
defaultLocalPath='/path/to/local/dir/'
defaultRemotePath='/path/to/remote/dir/'
defaultHost='devac'

NONE='\033[0m'       # none
GREY='\033[2m'       # grey
BOLD='\033[1m'       # bold

GREEN='\033[0;32m'   # green
YELLOW='\033[0;33m'  # yellow
RED='\033[0;31m'     # red
BLUE='\033[0;34m'    # blue
CYAN='\033[0;36m'    # cyan
MAGENTA='\033[0;35m' # magenta
BLACK='\033[0;30m'   # black
WHITE='\033[0;37m'   # white

BBLUE='\033[1;94m'   # blue bold

POSITIONAL=()

clear

echo -e "${NONE}${BBLUE}🔎  Lancement du script $0 ${NONE}${GREY}"
echo -e "${NONE}${BLUE}-------------------------------${NONE}${GREY}"

Usage()
{
  echo -e "${BOLD}NAME${NONE}"
  echo "        scpsync - Synchronize local folder to a remote host"
  echo "        "
  echo -e "${BOLD}SYNOPSIS${NONE}"
  echo "        sh $0 [OPTION]..."
  echo "        "
  echo -e "${BOLD}DESCRIPTION${NONE}"
  echo "        -h, --help"
  echo "        "
  echo "                print this help"
  echo "        "
  echo "        -d, --dest"
  echo "        "
  echo "                remote directory absolut path"
  echo "        "
  echo "        -s, --source"
  echo "        "
  echo "                source directory absolut path"
  echo "        "
  echo "        -r, --remote-host"
  echo "                remote ssh host"
  echo "        "
  echo -e "${RED} 🐞${NONE} Usage: $0 -s /path/to/local/dir/ -d /path/to/remote/dir/ -r sshhost"
}

while [[ $# -gt 0 ]]
do
  key="$1"
  case $key in
    -h|--help)
      Usage
      exit 0
      ;;
    -d|--dest)
      dirRemotePath=$2
      shift # past argument
      shift # past value
      ;;
    -s|--source)
      dirLocalPath=$2
      shift
      shift
      ;;
    -r|--remote-host)
      host=$2
      shift
      shift
      ;;
    *)
      # unknown option
      POSITIONAL+=("$1") # save it in an array for later
      shift
      ;;
  esac
done

set -- "${POSITIONAL[@]}"

if test -z "$dirLocalPath"; then
  dirLocalPath=$defaultLocalPath
  echo -e "${YELLOW}⚠  Local path:${NONE}   ${dirLocalPath}${YELLOW} (default)${NONE}"
else
  echo -e "${GREEN}⚙️  Local path:${NONE}   ${dirLocalPath}"
fi

if test -z "$dirRemotePath"; then
  dirRemotePath=$defaultRemotePath
  echo -e "${YELLOW}⚠  Remote path:${NONE}  ${dirRemotePath}${YELLOW} (default)${NONE}"
else
  echo -e "${GREEN}⚙️  Remote path:${NONE}  ${dirRemotePath}"
fi

if [ -z "$host" ]; then
  host=$defaultHost
  echo -e "${YELLOW}⚠  Remote host:${NONE}  ${host}${YELLOW} (default)${NONE}"
else
  echo -e "${GREEN}⚙️  Remote host:${NONE}  ${host}"
fi

if [ $RETVAL -eq 0 ]; then
  trap exit INT
  function exit() {
    echo -e ""
    echo -e "${NONE}${CYAN}♻️  Réinitialisation du répo distant...${NONE}${GREY}"
    echo -e "${NONE}\$> ${MAGENTA}ssh ${host} \"cd ${dirRemotePath}; git reset --hard\"${NONE}"
    ssh $host "cd $dirRemotePath; git reset --hard"

    echo -e "\n${NONE}${CYAN}🗑️  Suppression du cache${NONE}${GREY}"
    echo -e "${NONE}\$> ${MAGENTA}ssh ${host} \"cd ${dirRemotePath}; composer front-cache-clear\"${NONE}"
    ssh $host "cd $dirRemotePath; composer front-cache-clear"

    echo -e "${NONE}${GREEN}✔️ Ciao !${NONE}"
  }

  syncfile () {
    fileLocalPath=$1
    fileRemotePath=${fileLocalPath/$dirLocalPath/$dirRemotePath}
    echo -e "\n${NONE}${CYAN}🔄  Synchronisation du fichier ${YELLOW}${fileLocalPath/$dirLocalPath/}${NONE}"
    echo -e "${NONE}\$> ${MAGENTA}scp ${fileLocalPath} ${host}:${fileRemotePath}${NONE}"
    scp ${fileLocalPath} $host:$fileRemotePath
  }

  echo -e "\n${NONE}${BBLUE}⏳  En attente de modification${NONE}${GREY}"
  echo -e "${NONE}${BLUE}-----------------------------${NONE}${GREY}"

  num=0
  while read fileLocalPath; do
    if [ "$fileLocalPath" = "NoOp" ]; then
      num=0
      echo -e "\n${NONE}${CYAN}🗑️  Suppression du cache${NONE}${GREY}"
      echo -e "${NONE}\$> ${MAGENTA}ssh ${host} \"cd ${dirRemotePath}; composer front-cache-clear\"${NONE}\n"
      ssh $host "cd $dirRemotePath; composer front-cache-clear"
      echo -e "\n${NONE}${BBLUE}⏳  En attente de modification${NONE}${GREY}"
      echo -e "${NONE}${BLUE}-----------------------------${NONE}${GREY}"
    else
      num=$((num+1))
      #echo -e "${NONE}${num} - ${fileLocalPath}"
      syncfile $fileLocalPath $num &
    fi
  done < <(fswatch --batch-marker -0 --exclude '.git/' $dirLocalPath | xargs -0 -n 1 -I {})

else
  echo -e "${RED}⚠ ${NONE} Le script a rencontré une erreur"
  echo "-----------------------------"
  echo -e "${RED} 💀  Exit code:${NONE} $RETVAL"
  exit $RETVAL
fi