starmarks

#!/bin/sh

# ============ @author davidk55 ============
# inspired by: https://github.com/jocelynmallon/zshmarks

# ============ UTIL ============
check_if_pos_integer() {
  case "$1" in
    *[!0123456789]*) return 1 ;;
    '') return 1 ;;
    *) return 0 ;;
  esac
}

# ============ HELP MESSAGE ============
HELP="
-a      add 🌟
-d      delete 🌟
-j      jump to 🌟
"

# ============ SETUP ============
# Create env variables if not exist
if [ -z "$STARMARKS_PATH" ] && [ -z "$STARMARKS_FILE" ]; then
    export STARMARKS_PATH="$HOME/.local/share/starmarks/"
    export STARMARKS_FILE="saved_starmarks"
fi

# Create directories if they do not exist
if [ ! -d "$STARMARKS_PATH"  ]; then
	mkdir -p "$STARMARKS_PATH"
fi

# Create file if it do not exist
if [ ! -f "$STARMARKS_FILE"  ]; then
	touch "$STARMARKS_PATH$STARMARKS_FILE"
fi

# ============ MAIN FUNCTIONS ============
add() {
  path_exist=false

  if [ "$PATH_TO_ADD" = "c" ]; then
    pwd >> "$STARMARKS_PATH$STARMARKS_FILE"
    echo a new 🌟 was added: current
    return
  fi

  # compare each line with path to add
  while IFS='' read -r LINE || [ -n "${LINE}" ]; do
    if [ "$LINE" = "$PATH_TO_ADD" ]; then
      path_exist=true
    fi
  done < "$STARMARKS_PATH$STARMARKS_FILE"

  if [ "$path_exist" = false ]; then
    echo "$PATH_TO_ADD" >> "$STARMARKS_PATH$STARMARKS_FILE"
    echo a new 🌟 was added: "$PATH_TO_ADD"
  else
    echo this 🌟 already exist: "$PATH_TO_ADD"
  fi
}

jump() {
  clear
  cur_id=1

  echo type 🌟 id to jump to 
  echo
  echo " ID        PATH"
  echo "--------------------------------------"
  while IFS='' read -r LINE || [ -n "${LINE}" ]; do
    echo " $cur_id ${LINE}"
    cur_id=$((cur_id+1))
  done < "$STARMARKS_PATH$STARMARKS_FILE"
  echo

  read -r
  cur_id=1
  clear
  if (check_if_pos_integer "$REPLY") then
    while IFS='' read -r LINE || [ -n "${LINE}" ]; do
      if [ "$cur_id" = "$REPLY" ]; then
        cd "${LINE}" || exit
      fi
      cur_id=$((cur_id+1))
    done < "$STARMARKS_PATH$STARMARKS_FILE"
  fi
}

delete() {
  clear
  cur_id=1

  echo type 🌟 id to delete
  echo
  echo " ID        PATH"
  echo "--------------------------------------"
  while IFS='' read -r LINE || [ -n "${LINE}" ]; do
    echo " $cur_id ${LINE}"
    cur_id=$((cur_id+1))
  done < "$STARMARKS_PATH$STARMARKS_FILE"
  echo

  read -r
  clear
  if (check_if_pos_integer "$REPLY") then
    sed -i "$REPLY d" "$STARMARKS_PATH$STARMARKS_FILE"
  fi
}

# ============ HANDLE INPUT ============
OPTIND=1
while getopts la:djh arg; do
  case "${arg}" in
    a)
      PATH_TO_ADD=${OPTARG}
      add
      ;;
    d)
      delete
      ;;
    j)
      jump
      ;;
    h)
      echo "$HELP"
      ;;
    *)
      ;;
  esac
done

if [ $OPTIND -eq 1 ]; then
  echo "$HELP"
fi