#!/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


#----------------------------------------------------------------------
# Manage server options
#----------------------------------------------------------------------
#======================================================================
# www|wip (ARGUMENT)
# $1: process www/wip
# $2: sync/add/remove
# $3: (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"
    ;;
  
  all)
    echo "! You're about to $2 all $1 articles"
    read -rp "- Continue (Y|*) ? " www_confirm
    case "$www_confirm" in
      yes|YES|Y) gsl_all="$3" ;;
      *)         echo "# Abandon"; exit ;;
    esac
    ;;
  
  "")
    gsl__invalid_option "$3" "all|(file)"
    ;;
esac

# wip add [OPT]: A shortcut of make -F
case "$1" in
  wip)
    case "$2" in
      add)
        if [[ "$post_only" ]];then
          gsl make -F "$3"
          exit
        
        elif [[ "$gsl_all" ]];then
          gsl make -F
          exit
        fi
        ;;
    esac
    ;;
esac

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

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

[[ "$1" == "www" && "$www_new" ]] \
  && create__RSS_feed \
  && stats__datas # Statoolinfos

# 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}"
}


#======================================================================
# 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
}


#----------------------------------------------------------------------
# Manage wip option (Only remove, as add is same as make)
#----------------------------------------------------------------------
#======================================================================
# wip: remove online
#======================================================================
WIP__remove() {
if [[ -f "$gsl_srv_post_wip" ]];then
  rm -f "$gsl_srv_post_wip" && \
  gsl__logs_print -w -srv wip \
    "Article deleted ; no more preview 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
}


#----------------------------------------------------------------------
# Manage www options
#----------------------------------------------------------------------
#======================================================================
# www OPTIONS
# $1: add/remove
#======================================================================
WWW__OPTIONS() {
case "$1" in
  add)    WWW__online ;;
  remove) WWW__remove ;;
esac
}


#======================================================================
# www remove online
#======================================================================
WWW__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"
  www_new=true
fi
return
}


#======================================================================
# www: Valid online
#======================================================================
WWW__online() {
  
  # Add wip article to www server
  WWW__add() {
  [[ "$article_Type" == "post" ]] \
    && mkdir -p "$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"
    www_new=true
  }
  
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

else 
  if [[ ! -f "$gsl_srv_post_www" ]];then
    WWW__add
  
  else
    if [[ "$gsl_all" ]];then
      WWW__add
    
    elif (( $article_Status_chk != $article_Status_www ));then
      WWW__add
    
    else
      gsl__logs_print -w -srv www \
        "Article already online" \
        "$gsl_srv_post_www"
    fi
  fi
fi
}


#----------------------------------------------------------------------
# Manage sync options
#----------------------------------------------------------------------
#======================================================================
# 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 "$1" in
      "")
        read -rp "! Sync Template for both wip and www (Y|*) ? " sync_ask
        case "$sync_ask" in
          Y)
            sync__srv "$srv_proc" "$gsl_srv_wip"
            sync__srv "$srv_proc" "$gsl_srv_www"
            ;;
          *)
            echo "Abandon..."
            exit
            ;;
        esac
        ;;
      
      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/"
}