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

#-----------------------------------------------------------------------
# Print in log file
#-----------------------------------------------------------------------
gsl__logs_print() {
#1: Level
#2: Type
#3: Process
#4: Infos
#5: File
printf   '%s %s\t%s\t%s\t%s\t%s\n' \
         "`date +%F' ~ '%T`" \
         "$1" \
         "$2" \
         "$3" \
         "$4" \
         "$5" \
      >> "$gsl_file_logs"
}

#-----------------------------------------------------------------------
# Show logs from file with filters
#-----------------------------------------------------------------------
gsl__logs_show() {
clear

# Choices are important, but let's give priority
[[ "$gsl_logs_inf" ]] \
   && gsl_logs_filter="$gsl_log_i"
[[ "$gsl_logs_war" ]] \
   && gsl_logs_filter="$gsl_log_w"
[[ "$gsl_logs_err" ]] \
   && gsl_logs_filter="$gsl_log_e"

[[ "$gsl_logs_last_session" ]] \
   && gsl_log_show_session="Last session" \
   || gsl_log_show_session="All"

gsl_logs_infos=`
printf '%s\n%s\n%s\n' \
       "Logs  : $gsl_log_show_session" \
       "Filter: $gsl_logs_filter" \
       "Search: $gsl_logs_search"`

# Last session show or not
if [[ "$gsl_logs_last_session" ]];then
   gsl_log_start_line=`
   grep -n "Starting" "$gsl_file_logs" \
      | tail -1 \
      | awk -F: '{print $1}'`
   
   printf '%s\n \n' "$gsl_logs_infos"
   
   awk -v sl="$gsl_log_start_line" \
       'NR >= sl' \
       "$gsl_file_logs" \
      | grep "$gsl_logs_filter" \
      | grep -Ei "$gsl_logs_search" \
      | column -t -s$'\t'
else
   printf '%s\n' "$gsl_logs_infos"
   
   while read -r "gsl_log_content"
   do
      # Let's read clear sessions
      [[ "$gsl_log_content" =~ "Starting" ]] \
         && echo
         
      echo "$gsl_log_content"
   done < <(cat "$gsl_file_logs" \
               | grep "$gsl_logs_filter" \
               | grep -Ei "$gsl_logs_search" \
               | column -t -s$'\t')
fi
}