#!/bin/bash

# Exit on command errors and treat unset variables as an error
set -eu

# Source app helpers
source ./_common.sh
source /usr/share/yunohost/helpers

app=$YNH_APP_INSTANCE_NAME

# Retrieve arguments
domain=$YNH_APP_ARG_DOMAIN
path=$(ynh_normalize_url_path $YNH_APP_ARG_PATH)
with_carddav=$YNH_APP_ARG_WITH_CARDDAV

# Check domain/path availability
sudo yunohost app checkurl "${domain}${path}" -a "$app" \
    || ynh_die "Path not available: ${domain}${path}"

# Set app specific variables
dbname=$app
dbuser=$app
# Generate random DES key & password
deskey=$(ynh_string_random 24)
dbpass=$(ynh_string_random)

# Save app settings
ynh_app_setting_set $app domain $domain
ynh_app_setting_set $app path $path
ynh_app_setting_set $app with_carddav $with_carddav

# Check destination directory
final_path=/var/www/$app

# FIXME: jessie-backports is needed for php-net-ldap3
grep -q -R 'jessie-backports' /etc/apt/sources.list{,.d} || {
  echo "deb http://httpredir.debian.org/debian jessie-backports main" \
    | sudo tee -a /etc/apt/sources.list.d/backports.list >/dev/null
}

# Install dependencies
ynh_package_install_from_equivs ../conf/${DEPS_PKG_NAME}.control

# Create system user dedicace for this app
ynh_system_user_create $app

# Create final_path directory and install app inside
sudo mkdir -p $final_path
extract_roundcube "${final_path}"
# Change owner by admin for execute composer
sudo chown -R admin: "${final_path}"
init_composer "${final_path}"

# Initialize database
ynh_mysql_create_db "$dbname" "$dbuser" "$dbpass"
ynh_mysql_connect_as "$dbuser" "$dbpass" "$dbname" \
    < "${final_path}/SQL/mysql.initial.sql"

# Copy and set Roundcube configuration
rc_conf="${final_path}/config/config.inc.php"
cp ../conf/config.inc.php "$rc_conf"
ynh_substitute_char "#DESKEY#" "$deskey" "$rc_conf"
ynh_substitute_char "#DBUSER#" "$dbuser" "$rc_conf"
ynh_substitute_char "#DBPASS#" "$dbpass" "$rc_conf"
ynh_substitute_char "#DBNAME#" "$dbname" "$rc_conf"

# Install files and set permissions
sudo mkdir -p "${final_path}/logs" "${final_path}/temp"

# Install additional plugins
exec_composer admin "$final_path" require \
    "johndoh/contextmenu dev-master" \
    "sblaisot/automatic_addressbook dev-master"
installed_plugins+=" 'contextmenu', 'automatic_addressbook',"

# Install CardDAV plugin
if [[ $with_carddav -eq 1 ]]; then
  install_carddav "$final_path" admin \
    && installed_plugins+=" 'carddav'," \
    || echo "Unable to install CardDAV plugin" >&2
fi

# Update Roundcube configuration
sudo sed -i "s#^\s*// installed plugins#&\n ${installed_plugins}#" \
    "${final_path}/config/config.inc.php"

# Change owner final_path directory
sudo chown -R $app: "${final_path}"

# Modify Nginx configuration file and copy it to Nginx conf directory
ynh_nginx_config

# Create the php-fpm pool config
ynh_fpm_config

# Save app settings
ynh_app_setting_set "$app" with_carddav "$with_carddav"
ynh_app_setting_set "$app" mysqlpwd "$dbpass"

# Reload services
sudo systemctl restart php5-fpm
sudo systemctl reload nginx