#!/bin/bash
# Name: Statique Littérateur
# Type: Domain manager
# file: manage__domain
# Folder: /var/lib/stl/scripts/
# By echolib (XMPP: im@echolib.re)
# License: GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007


#======================================================================
# --------------
# DOMAIN Section
# --------------
#======================================================================

#----------------------------------------------------------------------
# domain OPTIONS | Manage arguments from command line
# $1: main argument
# $2: change
#----------------------------------------------------------------------
domain__OPTIONS() {
domain_check=true
case "$2" in
  '')       ;;
  new)      domain_add=true; [[ "$3" ]] && domain_name="$3" ;;
  edit)     domain_edit=true ;;
  *)        noarg "$2" ;;
esac

domain__get
}


#----------------------------------------------------------------------
# Check for PWD config file and source
# Indepdant call: just source config domain file (exit, if not exists)
#----------------------------------------------------------------------
domain__get() {
if [[ -f "$stl_file_pwd_conf" ]];then
  source "$stl_file_pwd_conf"             # Source config PWD file

else
  echo "# No domain set from this directory"
  [[ $domain_add ]] && domain__set
  [[ $domain_check ]] || exit               # exit if domain__get call
fi

# From command line domain
if [[ $domain_check ]] && [[ $domain_name ]];then
  [[ $domain_edit ]] \
    && nano "$stl_file_pwd_conf"
  
  echo "# Domain set from this directory: $domain_name"
  exit
fi
}


#----------------------------------------------------------------------
# New domain creation
# Create .stl.conf in PWD directoryy
# Register settings for domain
#----------------------------------------------------------------------
domain__set() {
if__writeable "$PWD"

  # Check if anwser is not empty, else exit
  # $1: answer
  # ---------------------------------------
  is__set() {
    ! [[ "$1" ]] \
      && echo "# Maybe later..." \
      && exit
  }


  # If DOMAIN already have protocol
  # $1
  # -------------------------------
  is__protocol() {
    [[ "${domain_name: -1}" == "/" ]] \
      && domain_name=${domain_name::-1}
    
    # Confirm, configuration not already exists
    if [[ -f "$stl_dir_db/$domain_name/$domain_name.conf" ]];then
      source "$stl_dir_db/$domain_name/$domain_name.conf"
      if [[ "$PWD" != "$conf_pwd" ]];then
        echo "! A configuration for '$domain_name' exists in $pwd_conf"
        exit
      fi
    fi

    case "$domain_name" in
      "http://"*)
        domain_protocol="http://"
        domain_name=${domain_name/$domain_protocol/}
        ;;

      "https://"*)
        domain_protocol="https://"
        domain_name=${domain_name/$domain_protocol/}
        ;;
    esac

    if [[ "$domain_protocol" ]];then
      domain_name=${domain_name/$domain_protocol/}
      domain_ask+="$domain_name with protocol $domain_protocol"

    else
      read -rp "- Use 'https://' protocol (N for 'http://') ? " set_prot
      case "$set_prot" in
        Y) domain_protocol="https://"   ;;
        N) domain_protocol="http://"    ;;
        *) echo "# Maybe later...";exit ;;
      esac
      domain_ask+="$domain_name"
    fi
  }

# ----------
# Processing question to config domain
# ----------
echo -e "\n# You will be asked to confirm after resume"

# DOMAIN is set in command line ?
case "$domain_name" in
  '')
    read -rp "- Which domain to set ? " domain_name
    is__set "$domain_name"
    is__protocol
    ;;

  *)
    domain_ask="- Add your domain here: "
    is__protocol

    read -rp "$domain_ask (Y|*) ? " domain_confirm
    case "$domain_confirm" in
      Y)  true ;;
      *)  echo "# Maybe later...";exit ;;
    esac
    ;;
esac

# Where is the server ? /var/www ?
read -erp "- Where is your server URI ? " srv_uri
is__set "srv_uri"
[[ "${srv_uri: -1}" == "/" ]] \
  && srv_uri=${srv_uri::-1}

! [[ -d "$srv_uri" ]] \
  && echo "! Missing directory" \
  && exit

if__writeable "$srv_uri"
domain_srv="$srv_uri/$domain_name"

# Installation: server or local
read -rp "- STL server installed (Y|N for local ; use wip only) ? " install
case "$install" in
  Y|y) stl_install="server"    ;;
  N|n) stl_install="local"     ;;
  *)   echo "# Maybe later..." ;;
esac

# Domain TITLE
read -rp "- Domain Title ? " domain_title
is__set "$domain_title"

# Domain ABOUT
read -rp "- Domain About ? " domain_about
is__set "$domain_about"

# Domain LANG
read -rp "- Domain lang (i.e. fr) ? " domain_lang
is__set "$domain_lang"

# Domain MAIL
read -rp "- Domain mail ? " domain_mail
is__set "$domain_mail"

# Domain TAGS
read -rp "- Domain tags (comma separated) ? " domain_tags
is__set "$domain_tags"

# Domain TAGS
read -rp "- Domain copyright ? " domain_cr
is__set "$domain_cr"

# Domain SIDEBAR TITLE
read -rp "- Domain sidebar title ? " domain_sidebar_title
is__set "$domain_sidebar_title"

# Domain SIDEBAR TITLE
read -rp "- Domain sidebar items (1-24) ? " domain_sidebar_items
is__set "$domain_sidebar_items"
! [[ $domain_sidebar_items =~ ^[0-9]+$ ]] \
  && echo "! $domain_sidebar_items is not digits between 1-24" \
  && exit

! (( $domain_sidebar_items >= 1 && $domain_sidebar_items <= 24 )) \
  && echo "! $domain_sidebar_items is not between 1-24" \
  && exit

# Domain CSS PREFIX
read -rp "- Domain CSS prefix (alnum,-) ? " domain_css
is__set "$domain_css"

! [[ $domain_css =~ ^[a-zA-Z0-9_-]+$ ]] \
  && echo "! '$domain_css' is not alpha numeric. '-' is authorized" \
  && exit

case "${domain_css: -1}" in
  "_"|"-") domain_css=${domain_css::-1} ;;
esac

domain_css=${domain_css,,}

# Domain LOGO
read -rp "- Domain logo filename ? " domain_logo

# External URL Profile
read -rp "- Domain external URL Profile ? " domain_ext_url

# Statoolinfos
read -rp "- Generate file stats (Statoolinfos) ? " domain_stats
case "$domain_stats" in
  Y|y) domain_stats="yes"      ;;
  N|n) domain_stats="no"       ;;
  *)   echo "# Maybe later..." ;;
esac

# Resume before writing conf
# ------
clear
echo -e "# Resume configuration...\n"
cat <<EODOMAINCONF
STL Inslallation     : $stl_install
STL stats generator  : $domain_stats
Domain Directory     : $PWD
Domain               : $domain_name
URL                  : $domain_protocol$domain_name
Server URI           : $domain_srv

Title                : $domain_title
About                : $domain_about
Lang                 : $domain_lang
Mail                 : $domain_mail
Tags                 : $domain_tags
Copyright            : $domain_cr
Sidebar Name         : $domain_sidebar_title
Sidebar Items        : $domain_sidebar_items
CSS prefix           : $domain_css
Logo filename        : $domain_logo
External URL Profile : $domain_ext_url

EODOMAINCONF

echo -e "! Use $domain_name only in $PWD"
read -rp "- Write to $PWD/.stl.conf ? " set_conf
case "$set_conf" in
  Y) true ;;
  *) echo "Maybe later...";exit ;;
esac


# -------------------
# Write configuration
# -------------------
mkdir -p "$stl_dir_db/$domain_name"
mkdir -p "$stl_dir_db/$domain_name/articles"
cat <<EODBCONF > "$stl_dir_db/$domain_name/$domain_name.conf"
conf_pwd="$PWD"
EODBCONF

cat <<EODOMAINCONF > "$stl_file_pwd_conf"
# Domain Configuration
domain_name="$domain_name"
domain_url="$domain_protocol$domain_name"
domain_srv="$domain_srv"
domain_title="$domain_title"
domain_about="$domain_about"
domain_lang="$domain_lang"
domain_logo="$domain_logo"
domain_mail="$domain_mail"
domain_tags="$domain_tags"
domain_cr="$domain_cr"
domain_sidebar_title="$domain_sidebar_title"
domain_sidebar_items=$domain_sidebar_items
domain_css="$domain_css"
domain_ext_url="$domain_ext_url"


# You must know what you do if you change from here...
# STL configurationn
stl_install="$stl_install"
domain_stats="$domain_stats"
domain_db_articles="$stl_dir_db/$domain_name/articles"
domain_conf="$PWD/$stl_file_pwd_conf"

# Domain directories for articles
domain_dir="$PWD"
domain_dir_articles="$PWD/articles"
domain_dir_images="$PWD/articles/images"
domain_dir_files="$PWD/articles/files"

# Domain directories for server
domain_dir_wip="$domain_srv/wip"
domain_dir_wip_tpl="$domain_srv/wip/template"
domain_dir_wip_images="$domain_srv/wip/images"
domain_dir_wip_files="$domain_srv/wip/files"

EODOMAINCONF

# Create a backup of the config in db
rsync -a "$PWD/$stl_file_pwd_conf" \
         "$stl_dir_db/$domain_name/$stl_file_pwd_conf.bkp"

# Create folders base in PWD
mkdir -p "$PWD/articles"
mkdir -p "$PWD/articles/images"
mkdir -p "$PWD/articles/files"

# Create conf, according to installation (server, local)
case "$stl_install" in
  server)
    printf '%s\n%s\n%s\n%s\n' \
           "domain_dir_www=\"$domain_srv/www\"" \
           "domain_dir_www_tpl=\"$domain_srv/www/template\"" \
           "domain_dir_www_images=\"$domain_srv/www/images\"" \
           "domain_dir_www_files=\"$domain_srv/www/files\"" \
        >> "$stl_file_pwd_conf"
    
    mkdir -p "$domain_srv/www"
    mkdir -p "$domain_srv/www/template"
    mkdir -p "$domain_srv/www/files"
    mkdir -p "$domain_srv/www/images"
    
    mkdir -p "$domain_srv/wip"
    mkdir -p "$domain_srv/wip/template"
    mkdir -p "$domain_srv/wip/files"
    mkdir -p "$domain_srv/wip/images"
    
    printf '%s%s\n\n' \
       "! files template (logo, style.css...) must be put in " \
       "$domain_srv/wip/template/"
    ;;

  local)
    mkdir -p "$domain_srv/wip"
    mkdir -p "$domain_srv/wip/template"
    mkdir -p "$domain_srv/wip/files"
    mkdir -p "$domain_srv/wip/images"
    
    printf '%s%s\n\n' \
       "! Your logo, styles.css... must be put in " \
       "$domain_srv/wip/template"
    ;;
esac
}