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

#----------------------------------------------------------------------
# --------------------------------------------------
# From: gsl__all_makers | Create HTML Page
# --------------------------------------------------
#----------------------------------------------------------------------

#----------------------------------------------------------------------
# MAIN
#----------------------------------------------------------------------
gsl__page_creator() {
#gsl__page_prepare_datas
gsl__check_templates
gsl__html_meta_head
gsl__page_create
cat -n "$gsl_srv_wip_page"
}

#======================================================================
# Sync Files from Templates to webserver
#======================================================================
gsl__srv_sync() {
# Sync Files and Folders
mkdir -p "$1"
for folder in `find $gsl_this_conf_domain/* -type d`
do
  rsync -a --delete "$folder" "$1" && \
  gsl__logs_print \
    "$gsl_log_i" \
    "Server" \
    "Sync" \
    "$folder" \
    "$1"
done
}

#----------------------------------------------------------------------
# Get Datas for Post/Page
#----------------------------------------------------------------------
gsl__page_prepare_datas() {
# Set wip folder from domain
gsl_srv_wip="$gsl_site_server/$gsl_site_ndd/wip"
gsl_srv_www="$gsl_site_server/$gsl_site_ndd/www"

# Post or Page
case "$gsl_post_type" in
  post)
    gsl_srv_wip_page="$gsl_srv_wip/$gsl_header_slug/index.html"
    gsl_srv_www_page="$gsl_srv_www/$gsl_header_slug/index.html"
    gsl__check_srv_files "$gsl_srv_wip_page" wip
    gsl__check_srv_files "$gsl_srv_www_page" www
    gsl_uri=".."
    ;;
  page)
    gsl_srv_wip_page="$gsl_srv_wip/$gsl_header_slug.html"
    gsl_srv_www_page="$gsl_srv_www/$gsl_header_slug.html"
    gsl__check_srv_files "$gsl_srv_wip_page" wip
    gsl__check_srv_files "$gsl_srv_www_page" www
    gsl_uri="."
    ;;
esac

gsl_uri_site_logo="$gsl_uri/templates/$gsl_site_logo"
}

#----------------------------------------------------------------------
# Check if Post / Pages exists in server
#----------------------------------------------------------------------
gsl__check_srv_files() {
if [[ -f "$1" ]];then
  gsl__logs_print \
    "$gsl_log_i" \
    "SRV" \
    "$2" \
    "$gsl_post_type $gsl_post exists" \
    "$1"
else
  gsl__logs_print \
    "$gsl_log_w" \
    "SRV" \
    "$2" \
    "$gsl_post_type $gsl_post not yet created" \
    "$1"
  gsl_checker_war=true
fi
}

#======================================================================
# latest Posts listing Manager
#======================================================================
gsl__page_listing_create() {
# Check if Post is in list ; Status Made
gsl_checker_war=true
gsl_listing_file="$gsl_dir_domain_listings/$gsl_post.list"

if [[ `ls -1 "$gsl_listing_file"* 2>/dev/null` ]];then
  gsl__logs_print \
    "$gsl_log_w" \
     "Post" \
     "Latest" \
     "$gsl_post_list $gsl_post ; already added to Listing" \
     "$gsl_dir_domain_listings/"
  return
fi

case "$gsl_post_list" in
  Pin)
      gsl_listing_start_n=1
      [[ $gsl_post_pin ]] \
        && sed -i "s|gsl_post_pin.*|gsl_post_pin=$gsl_header_title|" \
                  "$gsl_this_conf_domain/$gsl_find_domain.conf" \
        || echo "gsl_post_pin=$gsl_header_title" \
             >> "$gsl_this_conf_domain/$gsl_find_domain.conf"
    ;;
  Add)
    # Check if a post is pinned
    [[ $gsl_post_pin ]] \
      && gsl_listing_start_n=2 \
      || gsl_listing_start_n=1
    ;;
esac

gsl__page_listing_roller
gsl__page_listing_create_file "$gsl_listing_file.$gsl_listing_start_n"

cat `ls -1r "$gsl_dir_domain_listings/"*.list.*` \
  > "$gsl_dir_domain_tpl/last-posts-list.html" \
  && gsl__logs_print \
      "$gsl_log_w" \
      "Post" \
      "Latest" \
      "Create Listing (Merged .list.*)"\
      "$gsl_dir_domain_tpl/last-post-list.html"
}

#======================================================================
# Create HTML List from selected Post
#======================================================================
gsl__page_listing_create_file() {
cat << EOPostSide > "$1"
        <li>
          <span class="${gsl_site_css}_list-post-title">$gsl_header_title</span>
          <div class="${gsl_site_css}_list-post-metas">Le $gsl_header_date par $gsl_header_author<div>
          <div class="${gsl_site_css}_list-post-info">$gsl_header_info</div>
        </li>
EOPostSide

gsl__logs_print \
  "$gsl_log_w" \
  "Post" \
  "Latest" \
  "$gsl_post_list $gsl_post to Listing" \
  "$1"
}

#======================================================================
# latest Posts listing Rolling
#======================================================================
gsl__page_listing_roller() {
  
  gsl__page_listing_file_mv() {
  for n in `seq $gsl_listing_start_n $(( gsl_listing_last_n )) | sort -r`
  do    
    gsl_listing_this_post=`ls -1 "$gsl_dir_domain_listings/"*".list.$n"`
    gsl_listing_tmp_no_n=`echo ${gsl_listing_this_post%.*}`
    gsl_listing_new_post="$gsl_listing_tmp_no_n.$(( n + 1 ))"
    
    mv "$gsl_listing_this_post" \
       "$gsl_listing_new_post"
  done
  gsl__logs_print \
    "$gsl_log_w" \
    "Post" \
    "Latest" \
    "Roll from Listing" \
    "$gsl_dir_domain_listings/*.list.*"
  }
  
# search for last listing number
gsl_listing_last=`
ls -1 "$gsl_dir_domain_listings/"*".list."* 2>/dev/null \
  | tail -1`

if [[ $gsl_listing_last ]];then
  
  # A Post is Pinned
  if [[ $gsl_post_pin ]];then
    gsl__logs_print \
      "$gsl_log_w" \
      "Post" \
      "Latest" \
      "Remove Pin $gsl_listing_rm_post_name from Listing" \
      "$gsl_listing_rm_post_uri"
  fi
  
  # Get Last listing number
  gsl_listing_last_n=${gsl_listing_last: -1}
  # Remove last file
  if (( $gsl_listing_last_n == $gsl_list_max_posts ));then
    gsl_listing_rm_post_uri=`
    ls -1 "$gsl_dir_domain_listings/"*".list.$gsl_list_max_posts"`
    gsl_listing_rm_post_name=`
    basename "$gsl_listing_rm_post_uri" | awk -F"." '{print $1"."$2}'`

    rm -f "$gsl_dir_domain_listings/"*".list.$gsl_list_max_posts" && \
    gsl__logs_print \
      "$gsl_log_w" \
      "Post" \
      "Latest" \
      "Remove $gsl_listing_rm_post_name from Listing" \
      "$gsl_listing_rm_post_uri"
    gsl_listing_last_n=4
  fi
  
  # Roll each ones + 1
  gsl__page_listing_file_mv

fi
}

#----------------------------------------------------------------------
# Create Final HTML  Post/Page
#----------------------------------------------------------------------
gsl__page_create() {
cat << EOPAGE > "$gsl_srv_wip_page"
<!DOCTYPE html>
<html lang="${gsl_site_lang: :2}">
<head>
`cat "$gsl_html_meta"`
</head>

<body id="${gsl_site_css}_$gsl_post_type">

`cat "$gsl_dir_domain_tpl/header.html"`

<section id="${gsl_site_css}_page-wrapper">
<article id="${gsl_site_css}_$gsl_header_slug">

<div id="${gsl_site_css}_metas">
   <p id="${gsl_site_css}_auteur">Écrit par <strong>$gsl_header_author</strong> le $gsl_header_date</p>
</div>

`cat "$gsl_a11y_post"`
</article>

<aside id="${gsl_site_css}_sidebar">
<div class="${gsl_site_css}_wrapper" role="navigation">
  <nav id="${gsl_site_css}_latest-posts">
     <h1 class="${gsl_site_css}_latest-posts">Derniers articles</h1>
     <ul aria-label="Liste d'Articles">
      <!--# include file="$gsl_uri/templates/last-posts-list.html" -->
     </ul>
  </nav>
</div>
</aside>
</section>

`cat "$gsl_dir_domain_tpl/footer.html"`

</body>
</html>
EOPAGE

gsl__logs_print \
  "$gsl_log_w" \
  "SRV" \
  "wip" \
  "$gsl_post_type $gsl_post created" \
  "$gsl_srv_wip_page"
gsl_checker_war=true

# No more needed html meta file
rm -f "$gsl_html_meta"
}

#----------------------------------------------------------------------
# Create META head for Post/Page
#----------------------------------------------------------------------
gsl__html_meta_head() {
# Create file with metas to be included in Post/Page
gsl_html_meta=`mktemp`
cat << EOMETAS >> "$gsl_html_meta"
  <meta charset="UTF-8" />
  <meta name='viewport' content="width=device-width, initial-scale=1.0">
  <meta name='robots' content="all">
  <meta name='generator' content="GSL: Statique Littérateur">
  <meta name='medium' content='website'>
  <meta name='revisit-after' content="3 days">
  
  <title>$gsl_header_title - $gsl_site_title</title>
  <link rel="stylesheet" media="screen" href="$gsl_uri/templates/styles.css" />
  <link rel="shortcut icon" type="image/png" href="$gsl_uri/templates/favicon.png" />
  <link rel='me' type='text/html' href="$gsl_site_auth_url">
  
  <meta name='language' content="$gsl_site_lang">
  <meta name='reply-to' content="$gsl_site_mail">
  <meta name='copyright' content="$gsl_site_cr">
  <meta name='title' content="$gsl_header_title - $gsl_site_title">
  <meta name='author' content="$gsl_header_author">
  <meta name='description' content="$gsl_header_info">
  <meta name='keywords' content="$gsl_site_keys,$gsl_header_tags">
  <meta name='search_date' content="$gsl_header_date">
EOMETAS
}

#-----------------------------------------------------------------------
# Create Generic Header
#-----------------------------------------------------------------------
gsl__html_header() {
cat << EOHEADER >> "$gsl_dir_domain_tpl/header.html"
<header id="${gsl_site_css}_banner">
  <div id="${gsl_site_css}_site-logo">
    <a href="/">
    <img src="$gsl_uri_site_logo"
         alt="Logo de $gsl_site_title"
         title="Logo de $gsl_site_title"/>
    </a>
  </div>
  <section id="${gsl_site_css}_site-titles">
    <h1 id="${gsl_site_css}_site-name">
      <a href="/"
         title="Page d'accueil de $gsl_site_title">
         $gsl_site_title
      </a>
    </h1>
    <h2 id="${gsl_site_css}_site-description">$gsl_site_info</h2>
  </section>
</header>
EOHEADER
}

#-----------------------------------------------------------------------
# Create Generic Footer
#-----------------------------------------------------------------------
gsl__html_footer() {
cat << EOFOOTER >> "$gsl_dir_domain_tpl/header.html"
<footer id=${gsl_site_css}_footer">
</footer>
EOFOOTER
}

#-----------------------------------------------------------------------
# Check for files in templates folder
#-----------------------------------------------------------------------
gsl__check_templates() {
#echo "D> $gsl_dir_domain_tpl"
# Create generic HEADER if not exists
! [[ "$gsl_dir_domain_tpl/header.html" ]] \
  && gsl__html_header

# Create generic FOOTER if not exists
! [[ "$gsl_dir_domain_tpl/footer.html" ]] \
  && gsl__html_footer
}