#!/bin/bash
# file: gsl__srv_manager
# Folder: /var/lib/gsl/scripts
# By echolib (XMPP: im@echolib.re)
# License: GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007


#======================================================================
# w<< (ARGUMENT)
# $1: process
# $2: file / all
#======================================================================
srv__OPTIONS() {
case "$2" in
  sync)   sync__OPTIONS $1 ;;
  add)    true ;;
  remove) true ;;
  *)      gsl__invalid_option "$2" "add|remove|sync"
esac

case "$3" in
  *".gsl")
    if__file "$3" post
    gsl_post="$3"
    post_only="$3"
    case "$1" in
      wip)
        gsl make "$3"
        exit
        ;;
    esac
    ;;
  
  all)
    case "$1" in
      www)
        echo "! You're about to put online all wip articles"
        read -rp "- Continue (YES|*)" www_confirm
        case "www_confirm" in
          YES) gsl_www="$3" ;;
          *)   echo "# Abandon"; exit ;;
        esac
        ;;
      
      wip)
        gsl make
        exit
        ;;
    esac
    ;;
  
  "")
    gsl__invalid_option "$3" "all|file"
    ;;
esac

www_process=true

[[ "$gsl_post" ]] || log_info_all=" ALL"

log__process_begin "Server ($1 online)${log_info_all}"
posts__loop "$1" "$2"

# For logs ; set post or unset if all
[[ $log_info_all ]] && unset gsl_post
[[ $post_only ]] && gsl_post="$post_only"

log__process_end "Server ($1 online)${log_info_all}"
}


#======================================================================
# wip: remove online
#======================================================================
WIP__remove() {
case "$1" in
  remove)
    if [[ -f "$gsl_srv_post_wip" ]];then
      rm -f "$gsl_srv_post_wip" && \
      gsl__logs_print -w -srv wip \
        "Article deleted ; no more online" \
        "$gsl_srv_post_wip"
      
      find "$gsl_srv_wip" -type d -empty -delete && \
      gsl__logs_print -w -srv wip \
        "Cleaned empty directories" \
        "$gsl_srv_wip"
      
      DB__set_status "wip-del"
    fi
    return
    ;;
esac 
}


#======================================================================
# www: Valid online
#======================================================================
WWW__validate() {
case "$1" in
  remove)
    if [[ -f "$gsl_srv_post_www" ]];then
      rm -f "$gsl_srv_post_www" && \
      gsl__logs_print -w -srv www \
        "Article deleted ; no more online" \
        "$gsl_srv_post_www"
      
      find "$gsl_srv_www" -type d -empty -delete && \
      gsl__logs_print -w -srv www \
        "Cleaned empty directories" \
        "$gsl_srv_www"
      
      DB__set_status "www-del"
    fi
    return
    ;;
esac  

if ! [[ $article_Status_chk ]];then
  gsl__logs_print -e -srv www \
    "Article not yet checked" \
    "$PWD/$gsl_post"
  return

elif (( $article_Status_chk != $article_Status_wip ));then
  gsl__logs_print -e -srv www \
    "Article not yet converted with make" \
    "$gsl_srv_post_wip"
  return

elif (( $article_Status_chk == $article_Status_www )) && \
     [[ -f "$gsl_srv_post_www" ]];then
  gsl__logs_print -w -srv www \
    "Article already online" \
    "$gsl_srv_post_www"
  return

else
  if (( $article_Status_chk == $article_Status_wip ));then
    [[ "$article_Slug" =~ "/" ]] \
      && mkdir -p "$gsl_slug_dir_www"
      
      rsync -a "$gsl_srv_post_wip" "$gsl_srv_post_www" && \
      gsl__logs_print -i -srv www \
        "Article validated online" \
        "$gsl_srv_post_www" && \
      DB__set_status "www"
  fi
fi
}


#======================================================================
# Get arguments from COMMAND (sync)
# $2: process (wip|www|"")
#======================================================================
sync__OPTIONS() {
gsl_srv_wip="$site_server/$site_ndd/wip"
gsl_srv_www="$site_server/$site_ndd/www"

case "$1" in
  ""|www|wip)
    ! [[ "$1" ]] \
      && srv_proc="wip+www" \
      || srv_proc="$1"
  
    log__process_begin "Sync $srv_proc"
    case "$1" in
      "")
        sync__srv "$srv_proc" "$gsl_srv_wip"
        sync__srv "$srv_proc" "$gsl_srv_www"
        ;;
      www)
        sync__srv "$srv_proc" "$gsl_srv_www"
        ;;
      wip)
        sync__srv "$srv_proc" "$gsl_srv_wip"
        ;;
    esac
    log__process_end "Sync $srv_proc"
    ;;

  *)
    gsl__invalid_option "$2" "www|wip"
    ;;
esac
exit
}


#======================================================================
# Sync Files from Templates to webserver
# $1: process (wip|www|wip+www)
# $2: Folder
#======================================================================
sync__srv() {
# Sync Files and Folders
mkdir -p "$2"
rsync -a --delete "$gsl_dir_domain_tpl" "$2"
rsync -a --delete "$gsl_dir_domain_files" "$2"
rsync -a --delete "$gsl_dir_domain_images" "$2"
rsync -a --delete "$gsl_dir_domain_listings" "$2"

gsl__logs_print -i -srv $1 \
  "Sync: $gsl_dir_domain/" \
  "$2/"
}


#======================================================================
# Set Post/Page file for www+wip from page type and slug
# Find server post/page file and log
#======================================================================
srv__files() {
gsl_srv_wip="$site_server/$site_ndd/wip"
gsl_srv_www="$site_server/$site_ndd/www"

case "$1" in
  datas)
    unset srv_uri
    case "$article_Type" in
      post)
        gsl_srv_post_wip="$gsl_srv_wip/$article_Slug/index.html"
        gsl_srv_post_www="$gsl_srv_www/$article_Slug/index.html"
        gsl_slug_file="$article_Slug/index.html"
        gsl_slug_dir_wip=${gsl_srv_post_wip%\/*}
        gsl_slug_dir_www=${gsl_srv_post_www%\/*}
        
        # Count sub directories
        sub_uri="${article_Slug//[^\/]}"
        srv_uri+=`printf '%0.s../' $(seq 0 ${#sub_uri})`
        ;;

      page)
        gsl_srv_post_wip="$gsl_srv_wip/$article_Slug.html"
        gsl_srv_post_www="$gsl_srv_www/$article_Slug.html"
        gsl_slug_file="$article_Slug.html"
        
        srv_uri='./'
        ;;
      
      *)
        return
        ;;
    esac

    # wip file ?
    if [[ -f "$gsl_srv_post_wip" ]];then
      [[ "$article_Status_wip" == "$article_Status_chk" ]] \
        && wip_status="(current)" \
        || wip_status="(old)"

      gsl_srv_wip_file=true

    else
      unset gsl_srv_wip_file
    fi

    # www file ?
    if [[ -f "$gsl_srv_post_www" ]];then
      [[ "$article_Status_www" == "$article_Status_chk" ]] \
        && www_status="(current)" \
        || www_status="(old)"
    
      gsl_srv_www_file=true

    else
      unset gsl_srv_www_file
    fi
    ;;

  logs)
    # WIP file
    if [[ $gsl_srv_wip_file ]];then
      gsl__logs_print -i -srv -wip \
        "HTML $article_Type Found $wip_status" \
        "$gsl_srv_post_wip"

    else
      gsl__logs_print -w -srv -wip \
        "HTML $article_Type not created yet" \
        "$gsl_srv_post_wip"
    fi

    # WWW file
    if [[ $gsl_srv_www_file ]];then
      gsl__logs_print -i -srv -www \
        "HTML $article_Type Found $www_status" \
        "$gsl_srv_post_www"
    else
      gsl__logs_print -w -srv -www \
        "HTML $article_Type not created yet" \
        "$gsl_srv_post_www"
    fi
    ;;
esac
}

#======================================================================
# Remove WIP page
# If error from check and exists
#======================================================================
wip__remove() {
! [[ -f "$gsl_srv_post_wip" ]] && return

log_Type="in $article_Slug"

# Remove from old slug, if new article Type set
[[ "$old_Type" ]] \
  && article_Type="$old_Type" \
  && article_Slug="$old_Slug" \
  && log_Type="from old $old_Type"

rm -f "$gsl_srv_post_wip" && \
gsl__logs_print -w -S -wip \
  "Article deleted ; no more preview" \
  "$gsl_srv_post_wip"

find "$gsl_srv_wip" -type d -empty -delete && \
gsl__logs_print -w -S -wip \
  "Cleaned empty directories" \
  "$gsl_srv_wip"

gsl__logs_print -w -R -wip \
  "Found $1 $log_Type" \
  "$gsl_srv_post_wip"
  
if [[ "$old_Type" ]];then
  unset old_Type old_Slug log_Type 
  
  [[ -f "$gsl_file_db_post" ]] \
    && source "$gsl_file_db_post"
fi
}