#!/bin/bash
# file: gsl__do_commons
# Folder: /var/lib/gsl/scripts
# By echolib
# License: GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007

#=======================================================================
# Get NEEDED DATAS from HEADERS
#=======================================================================
gsl__get_needed_headers() {
gsl_post_type=`gsl__get_header "$gsl_marker_type" "$gsl_post"`
gsl_header_title=`gsl__get_header "$gsl_marker_title" "$gsl_post"`
gsl_header_slug=`gsl__get_header "$gsl_marker_slug" "$gsl_post"`
gsl_header_author=`gsl__get_header "$gsl_marker_author" "$gsl_post"`
gsl_header_date=`gsl__get_header "$gsl_marker_date" "$gsl_post"`
gsl_header_info=`gsl__get_header "$gsl_marker_info" "$gsl_post"`
gsl_header_tags=`gsl__get_header "$gsl_marker_tags" "$gsl_post"`
}

#======================================================================
# Check | Make in Loop from header datas $1: process $2:marker $3:file
#======================================================================
gsl__do_header() {
while read -r "gsl_header_content_line"
do
  gsl__get_header_fields "$2"

  case "$1" in
    check)
      case "$2" in
        "$gsl_marker_link")  gsl__check_link ;;
        "$gsl_marker_abbr")  gsl__check_abbr ;;
        "$gsl_marker_file")  gsl__check_file ;;
        "$gsl_marker_image") gsl__check_image ;;
        "$gsl_marker_code")  gsl__check_fcode ;;
      esac
      ;;

    make)
      case "$2" in
        "$gsl_marker_link")  gsl__make_link ;;
        "$gsl_marker_abbr")  gsl__make_abbr ;;
        "$gsl_marker_image") gsl__make_image ;;
      esac
      ;;
  esac

done < <(gsl__get_header "$2" "$3")
}

#======================================================================
# Do Strongs && Bolds + Get STATS | $1: Process $2:File 
#======================================================================
gsl__do_strongs_bolds() {
case "$1" in
  "stats")
    gsl_stat_strongs=0
    gsl_stat_bolds=0
    ;;

esac

while read -r "strong"
do
  if [[ "$strong" ]] && \
     [[ `grep "$gsl_mark_strong$strong$gsl_mark_strong" "$2"` ]];then

     case "$1" in
      "stats")
        ((gsl_stat_strongs++))
        ;;
      "make")
        # Check if in Inline-Code
        [[ `awk -v l="$n" 'NR == l' "$2" \
              | grep -oP "(?<=$gsl_mark_code).*?(?=$gsl_mark_code)"` \
          =~ "$strong" ]] \
            && continue

        echo -ne "\r\033[2K: Converting Strong... $strong"
        gsl_strong="$gsl_mark_strong$strong$gsl_mark_strong"
        gsl_html_strong="<strong>$strong</strong>"
        sed -i "s|$gsl_strong|$gsl_html_strong|g" "$2"
        ;;
      esac

  fi
done < <(grep -oP "(?<=$gsl_mark_strong).*?(?=$gsl_mark_strong)" "$2")


# Bolds
while IFS=: read -r "n" "bold"
do
  if [[ "$bold" ]] && \
     [[ `grep "$gsl_mark_bold$bold$gsl_mark_bold" "$2"` ]];then

     case "$1" in
      "stats")
        ((gsl_stat_bolds++))
        echo -ne "\r\033[2K: Counting Bolds... $gsl_stat_bolds"
        ;;

      "make")
        gsl_bold="$gsl_mark_bold$bold$gsl_mark_bold"
        # Check if in Inline-Code
        [[ `awk -v l="$n" 'NR == l' "$2" \
              | grep -oP "(?<=$gsl_mark_code).*?(?=$gsl_mark_code)"` \
          =~ "$bold" ]] \
            && continue

        echo -ne "\r\033[2K: Converting Bold... Line $n: $bold"
        gsl_html_bold="<b>$bold</b>"
        sed -i "s|$gsl_bold|$gsl_html_bold|g" "$2"
        ;;
      esac
  fi
done < <(grep -oPn "(?<=$gsl_mark_bold).*?(?=$gsl_mark_bold)" "$2")

case "$1" in
  "stats")
    gsl_stat_bolds=$((gsl_stat_bolds - gsl_stat_strongs))
    ;;
esac
}

#======================================================================
# Do Italics + Get STATS | $1: Process $2:File 
#======================================================================
gsl__do_italics() {
gsl_stat_italics=0

while IFS=: read -r "n" "italic"
do

  [[ `awk -v l="$n" 'NR == l && $1 ~ "link"' "$2"` ]] \
    && continue
  
  if [[ "$italic" ]] && \
     [[ `grep "$gsl_mark_italic$italic$gsl_mark_italic" "$2"` ]];then

     case "$1" in
      "stats")
        ((gsl_stat_italics++))
        ;;
      "make")
        # Check if in Inline-Code
        [[ `awk -v l="$n" 'NR == l' "$2" \
              | grep -oP "(?<=$gsl_mark_code).*?(?=$gsl_mark_code)"` \
          =~ "$italic" ]] \
            && continue

        this_word=`
        awk -v l="$n" 'NR == l' "$2" \
          | grep -o "[^[:space:]]*$italic[^[:space:]]*"`
        
        case "$this_word" in
          "_http"*)
            continue
            ;;
        esac
        
        gsl_italic="$gsl_mark_italic$italic$gsl_mark_italic"
        gsl_html_italic="<em>$italic</em>"
        
        echo -ne "\r\033[2K: Converting Italic... $italic"
        sed -i "s|$gsl_italic|$gsl_html_italic|g" "$2"
        ;;
      esac
  fi
done < <(grep -oPn "(?<=$gsl_mark_italic).*?(?=$gsl_mark_italic)" "$2")
}

#======================================================================
# Do Italics + Get STATS | $1: Process $2:File 
#======================================================================
gsl__do_icode() {
gsl_stat_icode=0

case "$1" in
  "stats")
    gsl_mark_icode=`grep -o "$gsl_mark_code" "$2" | wc -l`
    gsl_stat_icode=$(( gsl_mark_icode / 2 ))
    ;;

  "make")
    gsl_html_icode_o="<code class=\"${gsl_site_css}_icode\">"
    gsl_html_icode_c="</code>"
    
    while IFS=: read -r "n" "line"
    do
      unset gsl_icode_open
      for i in $(seq 1 ${#line})
      do
        case "${line:i-1:1}" in
          "$gsl_mark_code")
            [[ "$gsl_icode_open" ]] \
              && gsl_html_line+="$gsl_html_icode_c" \
              && unset gsl_icode_open && continue
            
            gsl_icode_open=true
            gsl_html_line+="$gsl_html_icode_o"
            ;;
          *)
            gsl_html_line+="${line:i-1:1}"
            ;;
        esac
      done
      
      echo -ne "\r\033[2K: Converting inline-codes..."
      sed -i "${n}d" "$2"
      sed -i "${n}i$gsl_html_line" "$2"
      unset gsl_html_line

    done < <(grep -n "$gsl_mark_code" "$2")
    ;;
esac
}