#!/bin/bash
# Version: 0.0.36
# file: gsl
# Folder: /usr/local/bin
# By echolib
# License: GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007

#=======================================================================
# Tools
#=======================================================================
if__command() {
! [[ `command -v $1` ]] \
  && echo -e "$I_Red Missing $1 command" \
  && exit
}

gsl__if_file() {
if ! [[ -f "$1" ]];then
  echo "! Missing file: $1"
  exit
fi

case "$2" in
  source)
    source "$1" || exit
    ;;
  read)
    cat "$1"
    ;;
  post)
    gsl_this_post="$1"
    ;;
esac
}

gsl__invalid_option() {
echo "! Invalid argument '$1': $2"
exit
}

# Get conf
gsl__if_file "/etc/gsl/gsl.conf" source
gsl__if_file "$gsl_dir_scripts/gsl__log_manager" source
gsl__if_file "/var/lib/gsl/scripts/gsl__tools" source

case "$1" in
  help|--help|-h)
    clear
    case "$2" in
      "")
        gsl__if_file "$gsl_dir_helps/gsl_help" read
        ;;
      new)
        gsl__if_file "$gsl_dir_helps/gsl_infos_new_website" read
        ;;
      install)
        gsl__if_file "$gsl_dir_helps/gsl_help_install" read
        ;;
      write|-w)
        gsl__if_file "$gsl_dir_lib/help/article-comment-ecrire.md" read
        ;;
      template|-t)
        gsl__if_file "$gsl_dir_lib/help/template-comment-creer.md" read
        ;;
    esac
    exit
    ;;
    
  new|-N)
    gsl__if_file "$gsl_dir_scripts/gsl__new_website" source
    gsl__logs_print \
      "$gsl_log_i" \
      "Starting" \
      "Process" \
      "New Website" \
      "$gsl_dir_scripts/gsl__new_website"

    gsl__new_website

    gsl__logs_print \
      "$gsl_log_i" \
      "Stopping" \
      "Process" \
      "New Website" \
      "$gsl_dir_scripts/gsl__new_website"
    
    [[ -f "$gsl_file_db_domains" ]] && \
    [[ -d "$gsl_dir_user_posts" ]] \
      && cd "$gsl_dir_user_posts" \
      && gsl author add
    
    echo
    gsl log -s -w
    exit
    ;;
    
  author|-A)
    gsl__find_domain
    gsl__if_file "$gsl_dir_scripts/gsl__auth_manager" source
    case "$2" in
      "")
        gsl__authors_list
        ;;
      add)
        gsl__logs_print \
          "$gsl_log_i" \
          "Starting" \
          "Process" \
          "author $2 for domain $gsl_find_domain" \
          "$gsl_file_auth_ndd"

        gsl__authors_add

        gsl__logs_print \
          "$gsl_log_i" \
          "Stopping" \
          "Process" \
          "author $2 for domain $gsl_find_domain" \
          "$gsl_file_auth_ndd"
        ;;
      remove)
        gsl__logs_print \
          "$gsl_log_i" \
          "Starting" \
          "Process" \
          "author $2 for domain $gsl_find_domain" \
          "$gsl_file_auth_ndd"

        gsl__authors_remove

        gsl__logs_print \
          "$gsl_log_i" \
          "Stopping" \
          "Process" \
          "author $2 for domain $gsl_find_domain" \
          "$gsl_file_auth_ndd"
        ;;
    esac
    exit
    ;;

  readme)
    clear
    gsl__if_file "/var/lib/gsl/README.md" read
    exit
    ;;

  log|-L)
    [[ -z `grep '[^[:space:]]' "$gsl_file_logs" 2>/dev/null` ]] \
      && echo "# No logs to show. File is empty." \
      && exit

    while test "$2"
    do
      case "$2" in
        clean|-C)
          gsl_date_logs=`date +%F-%H-%M-%S`
          mv "$gsl_file_logs" "$gsl_dir_logs/$gsl_date_logs.gsl.log"
          rm -f "$gsl_file_logs"
          printf '%s %s %s\n' \
                 "# Logs saved to" \
                 "$gsl_dir_logs/$gsl_date_logs.gsl.log" \
                 "and cleaned"
          exit
          ;;
  
        -s) gsl_logs_last_session=true ;;
        -e) gsl_logs_err=true ;;
        -i) gsl_logs_inf=true ;;
        -w) gsl_logs_war=true ;;
        *)  gsl_logs_search="$2" ;;
      esac
      shift
    done

    gsl__logs_show
    exit 0
    ;;
  
  -v)
    awk 'NR==2 {print "# Installed:",$3}' "/usr/local/bin/$app_name"
    exit
    ;;
  
  -vv)
    v_cur=`awk 'NR==2 {print $3}' "/usr/local/bin/$app_name"`
    echo -n "# $app_name Current: $v_cur | "
    if__command curl
    v_onl=`curl -s "$repo" | awk 'NR==2 {print $3}'`
    echo -ne "Online: $v_onl\n"
    exit
    ;;
  
  --version)
    awk 'NR==2 {print "# Installed:",$3}' "/usr/local/bin/$app_name"
    gsl__if_file "$gsl_dir_lib/new-version.md" read
    exit
    ;;
esac

#=======================================================================
# Checking Dependancies
#=======================================================================
# Check/Create Files and Folders
gsl__create_ff

gsl__find_domain
gsl__if_file "$gsl_dir_scripts/gsl__auth_manager" source
gsl__authors_list check || exit
gsl__if_file "$gsl_dir_scripts/gsl__post_checkers" source
gsl__if_file "$gsl_dir_scripts/gsl__post_manager" source
gsl__if_file "$gsl_dir_scripts/gsl__db_manager" source
gsl__if_file "$gsl_dir_scripts/gsl__post_makers" source
gsl__if_file "$gsl_dir_scripts/gsl__page_creator" source
gsl__if_file "$gsl_dir_scripts/gsl__do_commons" source

#=======================================================================
# Main
#=======================================================================
case "$1" in
  create)  
    case "$2" in
      page|post)
        true
        ;;
      *)
        gsl__invalid_option "$2" "page|post"
        ;;
    esac

    case "$3" in
      "")
        gsl__invalid_option "$3" "Please set a name for your $2"
        ;;
    esac

    gsl_postname="$3"
    [[ "$gsl_postname" =~ ".gsl" ]] \
      && gsl_postname=${gsl_postname/.gsl/}

    gsl__logs_print \
      "$gsl_log_i" \
      "Starting" \
      "Create" \
      "$2" \
      "$PWD/$3.gsl"
    
    if [[ -f "$gsl_postname.gsl" ]];then
      gsl__logs_print \
        "$gsl_log_w" \
        "Create" \
        "File" \
        "$3.gsl already exists !" \
        "$PWD/$3.gsl"
      gsl_checker_war=true
    else
      gsl__create_article "$2" "$(date +%F)" "$gsl_postname" && \
      gsl__logs_print \
        "$gsl_log_i" \
        "Create" \
        "$2" \
        "You can edit it with 'gsl edit $3.gsl'" \
        "$PWD/$3.gsl"
    fi
    
    gsl__logs_print \
      "$gsl_log_i" \
      "Stopping" \
      "Create" \
      "$2" \
      "$PWD/$3.gsl"
    ;;

  edit|-E)
    ! [[ "$2" ]] \
      && gsl__invalid_option "$2" "[File]"

    case "$2" in
      conf)
        echo "> $gsl_this_conf_domain/$gsl_find_domain.conf"
        gsl_this_post="$gsl_this_conf_domain/$gsl_find_domain.conf"
        gsl__if_file "$gsl_this_post"
        ;;
      *)
        gsl__if_file "$PWD/$2" post
        ;;
    esac

      if ! [[ "$EDITOR" ]];then
        if__command nano
        EDITOR=`which nano`
      fi
    
    gsl__logs_print \
      "$gsl_log_i" \
      "Starting" \
      "Process" \
      "edit with $EDITOR" \
      "$gsl_this_post"

    gsl__get_sum "$gsl_this_post"
    gsl__logs_print \
      "$gsl_log_i" \
      "Edit" \
      "File" \
      "Hash: $gsl_post_hash | Size: $gsl_post_size" \
      "$gsl_this_post"

    gsl_post_hash_old=$gsl_post_hash
    $EDITOR "$gsl_this_post"
    
    gsl__get_sum "$gsl_this_post"
    if (( $gsl_post_hash != $gsl_post_hash_old ));then
      gsl_log_infos="NEW > Hash. Size: $gsl_post_size"
      gsl_log_level="$gsl_log_w"
    else
      gsl_log_infos="Unchanged"
      gsl_log_level="$gsl_log_i"
    fi
    
    gsl__logs_print \
      "$gsl_log_level" \
      "Edit" \
      "File" \
      "$gsl_log_infos" \
      "$gsl_this_post"
    gsl__logs_print \
      "$gsl_log_i" \
      "Stopping" \
      "Process" \
      "edit with $EDITOR" \
      "$gsl_this_post"
    ;;
  
  db)
    ! [[ "$2" ]] \
      && gsl__invalid_option "$2" "[File]"

    gsl__if_file "$2" post
    [[ -f "$gsl_dir_db/$gsl_this_post.db" ]] \
      && cat -n "$gsl_dir_db/$gsl_this_post.db" \
      || echo "! No DB yet for $gsl_this_post. Check it first."
    exit
    ;;

  check|-C)
    case "$2" in
      -F)
        gsl_force_check=true
        [[ "$3" ]] && gsl__if_file "$3" post
        ;;
      *)
        [[ "$2" ]] && gsl__if_file "$2" post
        ;;
    esac

    gsl__logs_print \
      "$gsl_log_i" \
      "Starting" \
      "Process" \
      "check Post for domain $gsl_find_domain" \
      "$PWD"

    gsl__loop_posts check

    gsl__logs_print \
      "$gsl_log_i" \
      "Stopping" \
      "Process" \
      "check Post for domain $gsl_find_domain" \
      "$PWD"
    ;;

  sync|-s)
    gsl_srv_wip="$gsl_site_server/$gsl_site_ndd/wip"
    gsl_srv_www="$gsl_site_server/$gsl_site_ndd/www"
    
    gsl__logs_print \
      "$gsl_log_i" \
      "Starting" \
      "Process" \
      "Sync Templates for domain $gsl_find_domain" \
      "$PWD"
    
    case "$2" in
      "")
        gsl__srv_sync "$gsl_srv_wip"
        gsl__srv_sync "$gsl_srv_www"
        ;;
      www)
        gsl__srv_sync "$gsl_srv_www"
        ;;
      wip)
        gsl__srv_sync "$gsl_srv_wip"
        ;;
      *)
        gsl__invalid_option "$2" "www|wip"
        gsl__logs_print \
          "$gsl_log_i" \
          "Sync" \
          "Argument" \
          "Invalid $2" \
          "$PWD"
        ;;
    esac
    
    gsl__logs_print \
      "$gsl_log_i" \
      "Stopping" \
      "Process" \
      "Sync Templates for domain $gsl_find_domain" \
      "$PWD"
    ;;

  make|-M)
    gsl_process="wip"
    gsl_post_list="Add"
    case "$2" in
      -F)
        gsl_force_make=true
        [[ "$3" ]] && gsl__if_file "$3" post
        ;;
      *)
        [[ "$2" ]] && gsl__if_file "$2" post
        ;;
    esac
    
    gsl__logs_print \
      "$gsl_log_i" \
      "Starting" \
      "Process" \
      "make Post for domain $gsl_find_domain" \
      "$PWD"

    gsl_srv_wip="$gsl_site_server/$gsl_site_ndd/wip"
    gsl__loop_posts make
    
    gsl__logs_print \
      "$gsl_log_i" \
      "Stopping" \
      "Process" \
      "make Post for domain $gsl_find_domain" \
      "$PWD"
    ;;

  www)
    ! [[ "$2" ]] \
      && gsl__invalid_option "$2" "add|remove"

    if__command rsync
    gsl_www_act="$2"
    case "$2" in
      add)
        gsl_ask="! Put online ALL wip posts (yes|N)? "
        ;;
      remove)
        gsl_ask="! REMOVE ALL www posts (yes|N)? "
        ;;
      *)
        gsl__invalid_option "$2" "add|remove"
        ;;
    esac
    
    ! [[ "$3" ]] \
      && gsl__invalid_option "$3" "[FILE]|all"

    case "$3" in
      all)
        read -rp "$gsl_ask" gsl_ask_www
        case "$gsl_ask_www" in
          YES|yes|Yes)
            true
            ;;
          *)
            echo "# Abandon"
            exit
            ;;
        esac
        ;;
      *)
        gsl__if_file "$3" post
        ;;
    esac

    gsl__logs_print \
      "$gsl_log_i" \
      "Starting" \
      "Process" \
      "$1 ; $2 from domain $gsl_find_domain" \
      "$gsl_site_server"

    gsl_srv_www="$gsl_site_server/$gsl_site_ndd/www"
    gsl__loop_posts www "$2"

    gsl__logs_print \
      "$gsl_log_i" \
      "Stopping" \
      "Process" \
      "$1 ; $2 from domain $gsl_find_domain" \
      "$gsl_site_server"
    ;;

  sidebar|-S)
    gsl__if_file "$gsl_dir_scripts/gsl__sidebar" source
    gsl__sidebar $1 $2 $3 $4
    ;;

  stats)
    echo "! Working on it..."
    gsl__if_file "$gsl_dir_scripts/gsl__stats" source
    gsl_file_sti="$gsl_site_server/$gsl_find_domain/gsl-sti.properties"

    gsl__get_stats
    exit   
    ;;

  *)
    gsl help
    exit
    ;;
esac

#----------------------------------------------------------------------
# Check for process errors or warnings
#----------------------------------------------------------------------
gsl_logs_last_session=true
gsl__logs_show

if [[ "$gsl_checker_war" ]];then
  echo
  gsl_logs_war=true
  gsl__logs_show
fi

if [[ "$gsl_checker_err" ]];then
  echo
  gsl_logs_err=true
  gsl__logs_show
  exit 1
fi