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


#======================================================================
# Get Post Hash & Status From Database
#======================================================================
gsl__db_get_post_datas() {
if [[ -f "$gsl_file_db_post" ]];then
  
  gsl_db_post_hash=`
  awk -F: 'NR == 1 {print $3}' \
      "$gsl_file_db_post"`
  
  ! [[ "$gsl_db_post_hash" ]] \
    && gsl_db_post_hash=0
  
  gsl_db_post_status=`
  awk -F: 'NR == 2 {print $2}' \
      "$gsl_file_db_post"`

fi
}

#======================================================================
# Get Post Hash and Compare from Database
#======================================================================
gsl__db_compare_post_hash() {
gsl_checker_war=true
if ! (( $gsl_post_hash == $gsl_db_post_hash ));then
  gsl__logs_print \
      "$gsl_log_w" \
      "Post" \
      "Hash" \
      "$gsl_post Changed ($gsl_post_hash)" \
      "${PWD}/$gsl_post"
  gsl_post_new_hash=true
else
  gsl__logs_print \
    "$gsl_log_w" \
    "Post" \
    "Hash" \
    "$gsl_post already checked" \
    "${PWD}/$gsl_post"
fi
}

#======================================================================
# Set Post Status in Database according to proceess
#======================================================================
gsl__db_set_post_status() {
echo "D> DB:$gsl_file_db_post $gsl_process > $gsl_db_post_status"
case "$gsl_process" in
  chk)
    case "$gsl_db_post_status" in
      chk)
        gsl__db_compare_post_hash
        [[ "$gsl_post_new_hash" ]] || return # Do Nothing if same Hash
        gsl__db_create_post
        ;;
      wip)
        gsl__db_compare_post_hash
        [[ "$gsl_post_new_hash" ]] || return # Do Nothing if same Hash
        gsl_process="wip"
        gsl__db_create_post
        ;;
      www)
        gsl__db_compare_post_hash
        [[ "$gsl_post_new_hash" ]] || return # Do Nothing if same Hash
        gsl_process="www"
        gsl__db_create_post
        ;;
      ""|=)
        echo "D> Create..."
        gsl__db_create_post
        ;;
    esac
    ;;
  wip)
    case "$gsl_db_post_status" in
      chk)
        sed -i "2s/.*/Status:$gsl_process/" "$gsl_file_db_post" && \
        gsl__logs_print \
          "$gsl_log_w" \
          "DB" \
          "Post" \
          "Status:$gsl_process ; $gsl_post" \
          "$gsl_file_db_post"
          gsl_checker_war=true
        ;;
    esac
    ;;
esac
}

#======================================================================
# Create DB File from Data Post
#======================================================================
gsl__db_create_post() {
echo "D> DB: $gsl_process > $gsl_db_post_status > $gsl_checker_err"
if [[ "$gsl_checker_err" ]];then
  [[ -f "$gsl_file_db_post" ]] \
    && rm -f "$gsl_file_db_post" \
    && gsl__logs_print \
        "$gsl_log_w" \
        "DB" \
        "Delete" \
        "file ; error in $gsl_post" \
        "$gsl_file_db_post"
  return
fi

touch "$gsl_file_db_post"

# Check webserver files
[[ -f $gsl_srv_wip_page ]] \
  && gsl_process=wip

# Main Print
printf '%s\n%s\n%s\n' \
       "Post:${PWD}/$gsl_post:$gsl_post_hash:$gsl_post_size" \
       "Status:$gsl_process" \
       "`cat "$gsl_db_tmp"`" \
     > "$gsl_file_db_post"

# Stats Print
printf '\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n' \
       "Stats" \
       "Author:$gsl_header_author" \
       "Date:$gsl_header_date" \
       "Words:$gsl_stat_words" \
       "Parag:$gsl_stat_p" \
       "Links:$gsl_stat_link:$gsl_stat_links" \
       "Strongs:$gsl_stat_strongs" \
       "Bolds:$gsl_stat_bolds"\
       "Italics:$gsl_stat_italics" \
       "Abbrs:$gsl_stat_abbr:$gsl_stat_abbrs" \
       "Images:$gsl_stat_image" \
       "Files:$gsl_stat_file:$gsl_count_files" \
       "Cites:$gsl_stat_bq" \
       "ICodes:$gsl_stat_icode" \
       "FCodes:$gsl_stat_fcode" \
    >> "$gsl_file_db_post"

gsl__logs_print \
  "$gsl_log_w" \
  "DB" \
  "Create" \
  "Datas from $gsl_post" \
  "$gsl_file_db_post"
}