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


#======================================================================
#----------------------------------------------------------------------
# AUTHORS SECTION
#----------------------------------------------------------------------
#======================================================================
#======================================================================
# Get arguments from COMMAND (author)
# $1: conf | edit | ""|list
#======================================================================
author__OPTIONS() {
domain__check
author__check "nocheck"

case "$1" in
  list|"") cat "$gsl_file_domain_authors" ;;
  edit)    nano "$gsl_file_domain_authors" ;;
  *)       gsl__invalid_option "$2" "add|remove" ;;
esac
exit
}


#=======================================================================
# Manage Authors from DOMAIN
#=======================================================================
author__check() {
touch "$gsl_file_domain_authors"

[[ "$1" == "nocheck" ]] \
  && return

# For all Arguments except author, check if empty
if [[ -z `grep '[^[:space:]]' "$gsl_file_domain_authors"` ]];then
  echo "! Domain: $domain_name ; No Registred authors yet"
  return 1
fi
}


#======================================================================
#----------------------------------------------------------------------
# Set DOMAIN current folder SECTION
#----------------------------------------------------------------------
#======================================================================
#======================================================================
# Get arguments from COMMAND (-PWD)
#======================================================================
setdir__OPTIONS() {
domain__check setdir
[[ "$domain_name" ]] \
  && echo "# Domain registred for this folder: $domain_name" \
  && exit

domain_nbr_max=`cat "$gsl_file_db_domains" | wc -l`
cat -n "$gsl_file_db_domains"
ask_domain=`echo -e "\n# Which domain to set for this folder ? "`
read -rp "$ask_domain" domain_nbr

! [[ $domain_nbr ]] \
  && echo "# Maybe later..." \
  && exit

[[ $domain_nbr =~ [^[:digit:]] ]] \
  && echo "! Please, choose à domain number" \
  && exit
  
(( $domain_nbr == 0 || $domain_nbr > $domain_nbr_max )) \
  && echo "! No domain $domain_nbr" \
  && exit

domain_set=`awk -v l="$domain_nbr" 'NR==l' "$gsl_file_db_domains"`
touch "gsl.$domain_set"
gsl setdir
exit
}


#======================================================================
#----------------------------------------------------------------------
# GET DOMAIN SECTION
#----------------------------------------------------------------------
#======================================================================
#======================================================================
# Get domain_name from PWD dir
#======================================================================
domain__check() {
# Mismatch folder set
domains_nbr=`
find . -maxdepth 1 -not -type d \
       -iname "gsl.*.*" 2>/dev/null \
   | wc -l`
   
if (( $domains_nbr > 1 ));then
  echo "! Too much domains registred in $PWD: Set only one per folder"
  exit

elif (( $domains_nbr == 0 ));then
  echo "! No registred domain set in $PWD"
  
  # setdir OPTIONS: return || exit
  [[ "$1" == setdir ]] \
    && return \
    || exit
fi

# Set domain name
domain_name=`find . -maxdepth 1 -not -type d -iname "gsl.*" 2>/dev/null`
domain_name=${domain_name#.\/gsl.*}

# Check Database if empty or DOMAIN not in (domains.db)
if ! [[ -f "$gsl_file_db_domains" ]] || \
     [[ -z `grep '[^[:space:]]' "$gsl_file_db_domains"` ]];then
  echo "! Domains database is empty ; Type: gsl new domain"
  exit

elif ! [[ `grep "$domain_name" $gsl_file_db_domains` ]];then
  echo "! Domain $domain_name not in database: $gsl_file_db_domains"
  exit
fi

# setdir OPTIONS ; return here
[[ "$1" == setdir ]] && return

# Settings from DOMAIN
gsl_dir_domain="$gsl_dir_domains/$domain_name"
gsl_file_domain_authors="$gsl_dir_domain/authors.db"
gsl_file_domain_conf="$gsl_dir_domain/$domain_name.conf"
if__file "$gsl_file_domain_conf" source

gsl_dir_domain_tpl="$gsl_dir_domain/templates"
gsl_dir_domain_files="$gsl_dir_domain/files"
gsl_dir_domain_images="$gsl_dir_domain/images"
gsl_dir_domain_listings="$gsl_dir_domain/X-tra"
gsl_dir_domain_sidebar="$gsl_dir_domain_listings/sidebar"

gsl_dir_db_domain="$gsl_dir_db/$domain_name"

gsl_dir_srv="$site_server"
gsl_dir_srv_ndd="$site_server/$site_ndd"
gsl_dir_srv_wip="$site_server/$site_ndd/wip"
gsl_dir_srv_www="$site_server/$site_ndd/www"
}


#======================================================================
#----------------------------------------------------------------------
# Set NEW DOMAIN SECTION
#----------------------------------------------------------------------
#======================================================================
#======================================================================
# Get arguments from COMMAND (new)
#======================================================================
new__OPTIONS() {
echo "$1 $2"
case "$1" in
  domain)
    new__domain "$2"
    ;;

  page|post)
    domain__check
    new__article "$1" "$2"
    ;;

  author)
    domain__check
    author__OPTIONS edit
    ;;

  *)
    gsl__invalid_option "$1" "page|post|domain|author" ;;
esac
}


#======================================================================
# Create an "empty" article
#======================================================================
new__article() {
[[ -f "$2.gsl" ]] \
  && echo "! $2.gsl already exists" \
  && exit

[[ `grep -i "fr" <<<"$site_lang"` ]] \
  && cur_date=`date +%d-%m-%Y` \
  || cur_date=`date +%Y-%m-%d`

cat <<EONEWARTICLE > "$2.gsl"
type: $1
#css: 
title: 
slug: 
info: 
author: 
date: $cur_date
tags: 

#abbr: COURT : LONG
#file: NOM : NOM-DU-FICHIER : Text alternatif
#link: NOM : URL : Text alternatif
#code: NUMERO : NOM-DU-FICHIER : Text alternatif
#brut: NUMERO : NOM-DU-FICHIER
#image: NUMERO : NOM-DU-FICHIER : TEXT-ALTERNATIF

#1
EONEWARTICLE

echo
cat "$2.gsl"
echo
gsl check "$2.gsl"
exit
}


#======================================================================
# New Domain creator ; set config DOMAIN file
#======================================================================
new__domain() {
  
  answer__check() {
    ! [[ "$1" ]] \
      && echo "# Abandon" \
      && exit
  }

clear
cat <<EOINFOS

  # Configuration of a new domain
  # Cancel with empty field
  # You will be asked to confirm at the end
  # Profile will be saved to: $gsl_dir_domains/DOMAIN/DOMAIN.conf

EOINFOS

# Domain
#-------------------
echo "# i.e. www.exemple.com"
read -rp "- Domain name ? " set_ndd
file_conf_ndd="$set_ndd.conf"
answer__check "$set_ndd"

# Profile exists ?
#-------------------
domain_profile="$gsl_dir_domains/$set_ndd/$file_conf_ndd"
if [[ -f "$domain_profile" ]];then
  echo -e "\n! A profile for the domain $set_ndd exists..."
  read -rp "- Edit $set_ndd configuration ? " set_edit
  
  ! [[ "$set_edit" == [Yy] ]] \
      && echo "Abandon." \
      && exit

  echo
  # Checking for compatible version
  if [[ `grep "^gsl_" "$domain_profile"` ]];then
    sed -i "s^gsl_^^" "$domain_profile"
    echo "site_max_list=5" >> "$domain_profile"
    echo "! Configuration changed to new compatible version"
    gsl_sleep=true
  fi
  
  if ! [[ -f "$gsl_file_db_domains" ]];then
    touch "$gsl_file_db_domains" && \
    echo "! Creating new Database domains"
    gsl_sleep=true
  fi
  
  if ! [[ `grep "$set_ndd" "$gsl_file_db_domains"` ]];then
    echo "$set_ndd" >> "$gsl_file_db_domains"
    echo "! $set_ndd added to new Database: $gsl_file_db_domains"
    gsl_sleep=true
  fi
  
  [[ "$gsl_sleep" ]] && sleep 2
  nano "$domain_profile"
  exit
fi

# HTTP(S)
#-------------------
echo -e "\n# https or or http. Answer Y for https"
read -rp "- Use HTTPS ? " set_protocole
answer__check "$set_protocole"

case "$gsl_set_protocole" in
  Y|y) set_url="https://$gsl_set_ndd" ;;
  *)   set_url="http://$gsl_set_ndd" ;;
esac

# Webserver
#-------------------
echo -e "\n# i.e. /var/www (will create [URI]/$set_ndd/)"
read -erp "- Webserver URI ? " set_server
answer__check "$set_server"

[[ ${set_server: -1} == "/" ]] \
  && set_server=${set_server::-1}

# Website title
#-------------------
echo -e "\n# i.e. My beautiful website"
read -rp "- Website Title ? " set_title
answer__check "$set_title"

# Website Description
#-------------------
echo -e "\n# i.e. writings about my website"
read -rp "- Website Description ? " set_about
answer__check "$set_about"

# Contact mail
#-------------------
echo -e "\n# i.e. contact@$set_ndd"
read -rp "- Contact Mail ? " set_mail
answer__check "$set_mail"

# Website Keywords
#-------------------
echo -e "\n# i.e. freedom,software (Will be used on each article !)"
read -rp "- Website Keywords ? " set_keys
answer__check "$set_keys"

# Website Lang
#-------------------
echo -e "\n# i.e. fr (or en-GB...)"
read -rp "- Website Lang ? " set_lang
answer__check "$set_lang"

# Copyright
#-------------------
echo -e "\n# i.e. 2022 $set_ndd CC BY-SA"
read -rp "- Website Copyright ? " set_cr
answer__check "$set_cr"

# Logo filename
#-------------------
echo -e "\n# i.e. logo.png (put in $gsl_dir_domains/$set_ndd/templates)"
read -rp "- Website logo (file NAME) ? " set_logo
answer__check "$set_logo"

# List Name (last posts)
#-------------------
echo -e "\n# i.e. My last posts"
read -rp "- Title List Name ? " set_listname
answer__check "$set_listname"

# CSS Acronym
#-------------------
css_ex=${set_ndd%.*}
echo -e "\n# i.e. $css_ex (Will create HTML classes like ${css_ex}_paragraph"
read -rp "- CSS Acronym ? " set_css
answer__check "$set_css"
set_css=${set_css,,}

# Author reference
#-------------------
echo -e "\n# i.e. https://mastodon.home/$set_ndd (Used for meta rel='me')"
read -rp "- External Author URL ? " set_auth_url
answer__check "$set_auth_url"

# Sidebar max list
#-------------------
echo -e "\n# i.e. 5 ; Numbers of post in sidebar"
read -rp "- Sidebar max list ? " set_max_list
answer__check "$set_max_list"
[[ "$set_max_list" = *[!0-9]* ]] || \
[[ "$set_max_list" == "0" ]] \
  && echo "! $set_max_list: invalid number..." \
  && exit

#---------------
# Resuming datas
#---------------
cat << EORESUME
# New domain    Values...
: Webserver:    $set_server
: URL:          $set_url
: Domain:       $set_ndd
: Title:        $set_title
: Description:  $set_about
: Contact:      $set_mail
: Keywords:     $set_keys
: Language:     $set_lang
: Copyright:    $set_cr
: Logo File     $set_logo
: Title List:   $set_listname
: CSS Acronym:  $set_css
: Ext Profile:  $set_auth_url
: Sidebar list: $set_max_list

EORESUME

echo "# Save configuration to $domain_profile"
read -rp "- Confirm ? " set_confirm

! [[ "$set_confirm" == [Yy] ]] \
    && echo "Abandon." \
    && exit

domain_name="$set_ndd"
gsl_dir_domain="$gsl_dir_domains/$domain_name"
domain__create_conf

echo
cat "$gsl_dir_help/how_to-set_directory_for_articles.md"
echo
cat "$gsl_dir_help/how_to-add_remove_authors.md"
echo
exit
}


#======================================================================
# Check configuration directories from DOMAIN
# $1: lite (if exists and writeable)
#   : full (Sown details in table)
#   : new (Write new configuration for DOMAIN)
#======================================================================
domain__create_conf() {
mkdir -p "$gsl_dir_domain"
mkdir -p "$gsl_dir_domains/$domain_name"
mkdir -p "$gsl_dir_domain/templates"
mkdir -p "$gsl_dir_domain/files"
mkdir -p "$gsl_dir_domain/images"
mkdir -p "$gsl_dir_domain/X-tra"
mkdir -p "$gsl_dir_domain/X-tra/sidebar"
mkdir -p "$gsl_dir_db/$domain_name"

mkdir -p "$set_server"
mkdir -p "$set_server/$domain_name"
mkdir -p "$set_server/$domain_name/wip"
mkdir -p "$set_server/$domain_name/www"

touch "$gsl_dir_domains/$domain_name/authors.db"

cat << EOCONF > "$domain_profile"
site_server="$set_server"
site_url="$set_url"
site_ndd="$set_ndd"
site_title="$set_title"
site_about="$set_about"
site_mail="$set_mail"
site_keys="$set_keys"
site_lang="$set_lang"
site_cr="$set_cr"
site_logo="$set_logo"
site_listname="$set_listname"
site_css="${set_css}"
site_auth_url="$set_auth_url"
site_max_list=$set_max_list
EOCONF

! [[ -f "$gsl_file_db_domains" ]] \
  && touch "$gsl_file_db_domains" \
  && echo "! Creating new Database domains"

! [[ `grep "$set_ndd" "$gsl_file_db_domains"` ]] \
 && echo "$set_ndd" >> "$gsl_file_db_domains" \
 && echo "! $set_ndd added to new Database: $gsl_file_db_domains"

echo "# Domain: $set_ndd ; configured in $domain_profile"
}