todo

#!/bin/bash
#
#########    [ Task Daiery [ task manager or simpally todo ]    #################
#
#
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#
#                                         Gmail: ashish.kus2408@gmail.com
##################################################################################

#-------------------------------------------------------------------------->[ checking required files. ]
if [ ! -d $HOME/.todo/ ]; then 
  mkdir $HOME/.todo/
  touch $HOME/.todo/TODO   
fi
#--------------------------------------------------------------------------> [ Global Variables ]
DEFAULT_LIST=$HOME/.todo/TODO   
LIST_DIR=$HOME/.todo/
LISTS=($HOME/.todo/*)
CLIST=$DEFAULT_LIST
# ATTRIBUTES=""
# TXTRESET=" \033[0m"
#--------------------------------------------------------------------------> [ quotes list ]
quotes() {
ARRAY=(
  " “Subtracting from your list of priorities is as important as adding to it.” "
  " “Each day I will accomplish one thing on my to do list.” "
  " “Each day I will accomplish one thing on my to list.” "
  " “Life should not be reduced to a to do list.” "
  " “Forget your to-do list and create a to-be list.” "
  " “Sometimes our stop-doing list needs to be bigger than our to-do list.” "
  " “Before you eat the elephant, make sure you know what parts you want to eat.” "
  " “To-do list : to-do list!” "
  " “Each day I will accomplish one thing on my to do list.” "
  " “Each day I will accomplish one thing on my to list.” "
  " “Scrum, in simple terms is managing a TO-DO list.” "
  " “Where two or three are gathered, a seemingly difficult task gets done.” "
  " You Should Use Your Strength To Help Others. -Yuji's Grandfather "
)
  echo -e "${ARRAY[ $RANDOM % ${#ARRAY[@]}]}"
}
#--------------------------------------------------------------------------> [ select List ]
ListSelection() {
  LISTS_LEN=${#LISTS[@]}
  if [ $LISTS_LEN -gt 1 ];
  then
     for (( i=0 ; i<$LISTS_LEN ; i++));
     do
        echo "$i) $(basename ${LISTS[$i]})"
     done
     echo "<ENTER>(default)"
     read -p "LIST No. :" choice
        if [[ $choice == "" ]]; then
          CLIST=$DEFAULT_LIST
        elif [[  $choice =~ ^[0-9]+$ ]] && [[ $choice -lt $LISTS_LEN ]] ; then
            CLIST=${LISTS[$choice]}
            echo " $(basename ${LISTS[$choice]}):" 
            cat -n $CLIST
        else
            echo "bad Choice "
            ListSelection
       fi 
  else
    CLIST=$DEFAULT_LIST
    echo "DEFAULT_list"
  fi
 }
#---------------------------------------------------------------------------> [ add-task ] 
add_task(){
  read -p "$Green TASK: $Color_Off" TASK
  if [[ $TASK == "" ]]; then 
    return
  else
    ATTRIBUTES="\033[0;32m "

#   echo -e $ATTRIBUTES $TASK $TXTRESET >> $CLIST
    echo -e  $TASK  >> $CLIST
  fi
  add_task
}
#-------------------------------------------------------------------------->[ add list ] 
add_list(){
  read -p "LISR_NAME: "  NAME
  touch $LIST_DIR/$NAME
}
#-------------------------------------------------------------------------->[ DELETE A LIST ]
delete_list(){
  LISTS=($HOME/.todo/*)
  LISTS_LEN=${#LISTS[@]}
  if [ $LISTS_LEN -gt 1 ];
  then
     for (( i=0 ; i<$LISTS_LEN ; i++));
     do
        echo "$i) $(basename ${LISTS[$i]})"
     done
  fi 
  read -p "RM list no. :" no
  rm -rf ${LISTS[$no]}
  echo " $(basename ${LISTS[$no]}) DELETED"
}
#----------------------------------------------------------------------->  [ show task ]
show_tasks(){
  echo -e "$UYellow$(basename $CLIST: )$Color_Off "
  cat -n $CLIST
}
#------------------------------------------------------------------------> [ clear_lilst ] remove all TASKs ]
clear_list(){
  read -p "This will remoce all TASK from the list [y/N]:" delete
  if [[ $delete == "y" ]] ; then
      > $CLIST
    else
      echo "List not cleared"
  fi
}
#------------------------------------------------------------------------> [ DELETE A TASK ]
delete_task(){
 read -p "TASK NO. :" taskno
 if [[ $taskno != "" ]]; then
   sed -i "${taskno}d" $CLIST
 else
   echo "❌"
 fi
}

#------------------------------------------------------------------------> [ Quotes generator ]

#------------------------------------------------------------------------> [ HELP ]
help(){
  echo "OPTION: <ENTER> to exit"
  echo "        a,add      : to add task to perticular list by default its TODO."
  echo "        ls,tasklist: to list all the task in the list chosen"
  echo "        l,lists    : to show all lists you have."
  echo "        al.addlist : to add new list of task to be done."
  echo "        d,done     : to mark done or simpally remove from list chosen"
  echo "        c,clear    : to clear the terminal"
  echo "        rml,removelist : to remove a perticular list"
  echo "        cl,cleanlist   : to clear every task from current list"

}
#--------------------------------------------------------------------------> [ ARGUMENT Handeling ]
if [[ $# == 1 ]]; then
  if [ $1 == h ] || [ $1 == help ]; then
    help
  fi
  if [ $1 == add ] || [ $1 == a ]; then
    add_task
  fi
fi
#--------------------------------------------------------------------------> [ swich case ]
show_tasks
while read -p "OPTION\h: " OPTION; do
  case $OPTION in

    "") quotes
        exit
      ;;
    l|lists) ListSelection
      ;;
    a|add) add_task
      ;;
   al|addlist) add_list
      ;;
  rml|removelist) delete_list
      ;;
   ls|tasklist) show_tasks
      ;;
    d|done|--delete) delete_task
      ;;
    c|clear) clear
      ;;
    cl|cleanlist) clear_list
      ;;
    h|help) help 
      ;;
    *) echo "<ENTER> to exit OR help to know more"
      ;;
  esac
done