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

#=======================================================================
# Check if posts from PWD folder
#=======================================================================
gsl__check_nbr_posts() {
gsl_nbr_posts=`ls -1 *.gsl 2>/dev/null | wc -l`
(( $gsl_nbr_posts == 0 )) \
   && echo "! No Posts found with .gsl extension"
}

#=======================================================================
# Read from Post list
#=======================================================================
gsl__loop_posts() {
for gsl_post in `ls -1 *.gsl 2>/dev/null`
do
   # Post too small
   gsl__post_hash_size
   if (( "$gsl_post_size" <= $gsl_post_min_size ));then
      gsl__logs_print \
         "$gsl_log_e" \
         "Post" \
         "Size" \
         "Too small $gsl_post_size <= $gsl_post_min_size" \
         "${PWD}/$gsl_post"
      continue
   fi

   case "$1" in
      check)         
         gsl__post_compare_hash && continue
         gsl__logs_print \
            "$gsl_log_i" \
            "Reading" \
            "Post" \
            "$gsl_post" \
            "${PWD}"
         gsl__post_all_checkers
         
         # No error: Check/Write to DB (posts.db)
         if ! [[ "$gsl_checker_err" ]];then
            gsl_process="Checked"
            gsl__db_line_post
         fi
         ;;

      make)
         gsl_process="Made"
         gsl__db_post_exists "$gsl_file_db_posts"
         if [[ "$gsl_db_post_status" == "Made" ]];then
            gsl__logs_print
               "$gsl_log_w" \
               "Post" \
               "Make" \
               "$gsl_post already Made (Converted)" \
               "$gsl_file_db_posts"
            continue
         fi
         ;;
   esac
done

[[ "$gsl_check_done" ]] \
   && echo "# All posts already checked"
}

#=======================================================================
# Get Post Hash
#=======================================================================
gsl__post_hash_size() {
gsl_post_csum=`cksum "$gsl_post"`
gsl_post_hash=`awk '{print $1}' <<< "$gsl_post_csum"`
gsl_post_size=`awk '{print $2}' <<< "$gsl_post_csum"`
}

#=======================================================================
# Check if Post has same Hash
#=======================================================================
gsl__post_compare_hash() {
gsl__db_post_hash
if [[ "$gsl_db_post_hash" == "$gsl_post_hash" ]];then
   gsl__logs_print \
      "$gsl_log_i" \
      "Post" \
      "Hash" \
      "$gsl_post already Checked from $gsl_post_hash" \
      "$gsl_file_db_posts"
   gsl_check_done=true
fi
}

#=======================================================================
# Get everything after the marker. $1: marker | $2: File
#=======================================================================
gsl__get_header() {
awk   -F"$1" -v marker="$1" \
      '{if ($0 ~ marker) print $2}' \
      "$2" 2>/dev/null
}