#!/bin/bash

function timecolor() {
  cat -
}

function filelist() {
  shopt -s nullglob
  TODO=(*md)
}

[[ "$1" = "-h" ]] && {
    echo '
Maintain a set of TODOs in the current folder
    
'
    exit
}

. qolop 2>/dev/null || {
    function _qCol() { true; }
}
VI=vimd
which $VI &>/dev/null || VI=vim

while :;do
    filelist
    files=${#TODO[@]}
    { _qCol G; printf '\n# List of TODOs: [unchecked/check boxes/lines]\n'; _qCol z; } 
    i=0
    EDITFILE=""
    for ((n=0;n<files;n++)); do
        l="${TODO[$n]}"
        [[ -f "$l" ]] || continue
        i=$(( $n + 1 )) 
        [[ -z $ANS ]] && {
            unchecked=$( grep -c '\[ \]' "$l" )
            checks=$( grep -c '\[.\]' "$l" )
            title=$( grep "^# " "$l" | head -n 1 ) 
            lines=$( sed '/^\s*$/d' "$l" | wc -l )
            _qCol y
            printf '%3s. %-20s [%02d/%02d/%02d] %-20s\n' "$i" "$l" "$unchecked" "$checks" "$lines" "$title"
        }
        [[ "$ANS" -eq $i ]] && {
            EDITFILE="$l"
            break
        }
    done
    echo ""
    [[ -f "$EDITFILE" ]] && { 
        $VI "$EDITFILE"
        ANS=""
        EDITFILE=""
        continue
    }
    { _qCol W; printf '\n> (q)uit, (n)ew, ## to edit: '; _qCol z; }     
    read -n ${#i} ANS
    ANS="${ANS//[^[:alnum:]]/}"
    echo ""
    [[ "$ANS" = "q" ]] && exit 0
    [[ "$ANS" = "x" ]] && exit 0
    [[ "$ANS" = "n" ]] && {
        ANS=""
        { _qCol W; printf '\n> Name (.md will be added): '; _qCol z; }     
        read NEWFILE
        [[ -z $NEWFILE ]] && { continue; }
        [[ -f "$NEWFILE".md ]] && { echo File already exists; continue; }
        echo "# $NEWFILE" > "$NEWFILE".md || { echo Cannot write file; continue; }
    }
done
: