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

#-----------------------------------------------------------------------
# -----------------------------------------------------------
# MAIN LOOP. Read from Post list. Do according to Post Status
# -----------------------------------------------------------
#-----------------------------------------------------------------------
gsl__loop_posts() {
gsl__check_nbr_posts
(( $gsl_nbr_posts == 0 )) \
  && gsl__logs_print \
      "$gsl_log_w" \
      "Files" \
      "Not found" \
      "Nothing to do" \
      "${PWD}" \
  && gsl_checker_war=true \
  && return

gsl__logs_print \
  "$gsl_log_i" \
  "Files" \
  "Found" \
  "$gsl_nbr_posts" \
  "${PWD}"

for gsl_post in `ls -1 *.gsl 2>/dev/null`
do
  
  # Check specific asked Post
  if [[ "$gsl_this_post" ]];then
    ! [[ "$gsl_post" == "$gsl_this_post" ]] \
      && continue
  fi

  gsl__get_sum "$gsl_post"

  # Post too small / Should miss headers
  if (( "$gsl_post_size" <= $gsl_post_min_size ));then
    gsl__logs_print \
      "$gsl_log_w" \
      "File" \
      "Content" \
      "Not enough datas $gsl_post ($gsl_post_size < $gsl_post_min_size)" \
      "${PWD}/$gsl_post"
    gsl_checker_war=true
    continue
  fi

  # Set DB Post file
  gsl_file_db_post="$gsl_dir_db/$gsl_post.db"
  gsl__db_get_post_datas "$1"
  gsl__db_compare_post_hash

  gsl__post_begin
  gsl__get_needed_headers
  gsl__page_prepare_datas

  if [[ "$gsl_post_new_hash" ]];then
    unset gsl_db_post_status
    gsl_checker_war=true
    if [[ -f "$gsl_srv_wip_page" ]];then
      rm -f "$gsl_srv_wip_page" && \
      gsl__logs_print \
        "$gsl_log_w" \
        "wip" \
        "Delete" \
        "$gsl_post_type ; $gsl_post has changed !" \
        "$gsl_srv_wip_page"
    fi
    
    if [[ -f "$gsl_file_db_post" ]];then
      rm -f "$gsl_file_db_post" && \
      gsl__logs_print \
        "$gsl_log_w" \
        "DB" \
        "Delete" \
        "file ; $gsl_post has changed !" \
        "$gsl_file_db_post"
    fi
  fi

  # From COMMAND [OPT]
  case "$1" in
    check)
      if ! [[ "$gsl_force_check" ]];then
        ! [[ "$gsl_post_new_hash" ]] && continue
      fi
      
      gsl__logs_print \
        "$gsl_log_i" \
        "Reading" \
        "File" \
        "$gsl_post" \
        "${PWD}"
      gsl__all_checkers
      ;;

    make)
      case "$gsl_db_post_status" in
        chk)
          gsl__all_makers
          ;;

        *)
          if ! [[ "$gsl_post_new_hash" ]];then
            # Should not be used...
            [[ "$gsl_force_make" ]] \
              && gsl__all_makers \
              && continue

            if [[ -f "$gsl_srv_wip_page" ]];then
              gsl__logs_print \
                "$gsl_log_w" \
                "Post" \
                "Make" \
                "$gsl_post already Converted" \
                "$gsl_file_db_posts"
              gsl_checker_war=true
              continue
            fi
          fi
          ;;
      esac
      ;;
     
    www)
      gsl_checker_war=true
      case "$2" in
        add)
          case "$gsl_db_post_status" in
            wip|www)
              rsync -a --delete \
                    "$gsl_srv_wip_page" "$gsl_srv_www_page" && \
              gsl__logs_print \
                "$gsl_log_w" \
                "SRV" \
                "www" \
                "Synced: $gsl_post_type $gsl_post" \
                "$gsl_srv_www_page"
              gsl__db_set_post_status www
              ;;
            *)
              gsl__logs_print \
                "$gsl_log_e" \
                "Post" \
                "Status" \
                "$gsl_db_post_status: $gsl_post not Converted" \
                "$gsl_file_db_posts"
              gsl_checker_err=true
              ;;
          esac
          ;;
        remove)
          case "$gsl_post_type" in
            post)
              ! [[ -d "$gsl_srv_www_page" ]] \
                && return
              gsl_rm_c="rm -rf"
              ;;
            page)
             ! [[ -f "$gsl_srv_www_page" ]] \
                && return
              gsl_rm_c="rm -f"
              ;;
          esac
          $gsl_rm_c "$gsl_srv_www_page" && \
          gsl__logs_print \
            "$gsl_log_w" \
            "SRV" \
            "www" \
            "REMOVED $gsl_post_type $gsl_post" \
            "$gsl_srv_www_page"
          gsl__db_set_post_status wip
          ;;
      esac
      ;;
  esac
done
}

#-----------------------------------------------------------------------
# --------------------
# Doing some checkings
# --------------------
#-----------------------------------------------------------------------

#=======================================================================
# Check NAME post from [OPT] ; should be from autocompletion
#=======================================================================
gsl__check_opt_post() {
if [[ `ls -1 *.gsl | grep "$1"` ]];then
  gsl_this_post="$1"
else
  echo "! $1 Not Found"
  exit
fi
}

#=======================================================================
# 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" \
  && exit
}

#======================================================================
# Create TMP file > Get Content Post Only (after #1)
#======================================================================
gsl__post_content_only() {
gsl_tmp_post=`mktemp`
awk  -v l="$gsl_post_begin" \
     'NR >= l' \
     "$gsl_post" \
   > "$gsl_tmp_post"
}

gsl__post_begin() {
gsl_post_begin=`
awk -v m="#1" \
    'match($1,m) {print NR;exit}' \
    "$gsl_post"`
}