#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
language=$YNH_APP_ARG_LANGUAGE
admin=$YNH_APP_ARG_ADMIN
infcloud=$YNH_APP_ARG_INFCLOUD

app=$YNH_APP_INSTANCE_NAME

# Retrieve the version number in the manifest file.
version=$(ynh_app_upstream_version)

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..."

final_path=/var/www/$app
test ! -e "$final_path" || ynh_die --message="This path already contains a folder"

# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..."

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=infcloud --value=$infcloud
ynh_app_setting_set --app=$app --key=version --value=$version

ynh_app_setting_set --app=$app --key=overwrite_logging --value="1"
ynh_app_setting_set --app=$app --key=overwrite_config --value="1"
ynh_app_setting_set --app=$app --key=overwrite_infcloud --value="1"
ynh_app_setting_set --app=$app --key=overwrite_nginx --value="1"
ynh_app_setting_set --app=$app --key=overwrite_phpfpm --value="1"
ynh_app_setting_set --app=$app --key=admin_mail_html --value="1"

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..."

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..."

# Create a system user
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..."

ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Create the directory and set the path in the config
mkdir -p "$final_path/collections"

# Copy files to the right place
cp ../conf/radicale.wsgi $final_path

# Copy extra files
cp -a ../sources/extra_files_radicale/. "$final_path"

if [ $infcloud -eq 1 ]
then
	# Download and uncompress the source into final_path
	ynh_setup_source --dest_dir="$final_path/infcloud"
fi

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

# Set default permissions as radicale do.
chmod 666 -R $final_path/default_collections
chmod 777 $final_path/default_collections $final_path/default_collections/USER

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..."

# Create a dedicated NGINX config
ynh_add_nginx_config

if [ $infcloud -eq 1 ]
then
	# Add InfCloud in NGINX config
	ynh_replace_string --match_string="#INFCLOUD#" --replace_string="" --target_file="/etc/nginx/conf.d/$domain.d/$app.conf"
fi
ynh_store_file_checksum --file="/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# PHP-FPM CONFIGURATION
#=================================================

if [ $infcloud -eq 1 ]
then
	ynh_script_progression --message="Configuring PHP-FPM..."

	# Create a dedicated PHP-FPM config
	ynh_add_fpm_config
	phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
fi

#=================================================
# SPECIFIC SETUP
#=================================================
# INSTALL RADICALE IN A VIRTUALENV
#=================================================
ynh_script_progression --message="Install Radicale in a virtualenv"

# Init virtualenv
virtualenv /opt/yunohost/$app
version=$(ynh_app_setting_get --app=$app --key=version)
/opt/yunohost/$app/bin/pip install radicale==$version python-ldap

# regex.py file is patched to fix the awful commit e807c3d35bea9cfcfcacac83b1b17d748ea15a39 that stop the reading of "rights" file after the first match.
mv "$final_path/regex.py" /opt/yunohost/$app/lib/python*/site-packages/radicale/rights/regex.py

# useradd radicale -d /opt/yunohost/$app
chown radicale: -R /opt/yunohost/$app

find /opt/yunohost/$app/ -type d -exec chmod 2755 {} \;
find /opt/yunohost/$app/ -type f -exec chmod g+r,o+r {} \;

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..."

mkdir -p /etc/$app

ynh_add_config --template="../conf/config" --destination="/etc/$app/config"

ynh_add_config --template="../conf/logging" --destination="/etc/$app/logging"

ynh_add_config --template="../conf/rights" --destination="/etc/$app/rights"

chmod 755 /etc/$app/
chmod 644 /etc/$app/*

if [ $infcloud -eq 1 ]
then
	# InfCloud configuration
	# Set language
	case "$language" in
		"Czech") language="cs_CZ"
		;;
		"Danish") language="da_DK"
		;;
		"German") language="de_DE"
		;;
		"English/US") language="en_US"
		;;
		"Spanish") language="es_ES"
		;;
		"French") language="fr_FR"
		;;
		"Italian") language="it_IT"
		;;
		"Japan") language="ja_JP"
		;;
		"Hungarian") language="hu_HU"
		;;
		"Dutch") language="nl_NL"
		;;
		"Slovak") language="sk_SK"
		;;
		"Turkish") language="tr_TR"
		;;
		"Russian") language="ru_RU"
		;;
		"Ukrainian") language="uk_UA"
		;;
		"Chinese") language="zh_CN"
		;;
	esac
	ynh_app_setting_set --app=$app --key=language --value=$language
	timezone=$(cat /etc/timezone)
	ynh_add_config --template="../conf/config.js" --destination="$final_path/infcloud/config.js"

	chmod 400 "$final_path/infcloud/config.js"
	chown $app:$app "$final_path/infcloud/config.js"
fi

#=================================================
# GENERATE CALENDARS AND ADDRESS BOOKS FOR ALL USERS
#=================================================
ynh_script_progression --message="Generate calendars and address books for all users"

# Create default calendars and address books for each users
while read user
do
		cp -a $final_path/default_collections/USER $final_path/collections/$user
		cp -a $final_path/default_collections/USER.props $final_path/collections/$user.props
# List all users and remove the space after username
done <<< "$(yunohost user list | grep username | cut -d ":" -f 2 | cut -c 2-)"

#=================================================
# PREPARE THE HOOKS
#=================================================

# Modify the hooks for create user collections and to remove them.
ynh_replace_string --match_string="__FINALPATH__" --replace_string="$final_path" --target_file="../hooks/post_user_create"
ynh_replace_string --match_string="__FINALPATH__" --replace_string="$final_path" --target_file="../hooks/post_user_delete"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..."

cp ../conf/radicale.ini /etc/uwsgi/apps-available/
ln -s /etc/uwsgi/apps-available/radicale.ini /etc/uwsgi/apps-enabled/

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..."

mkdir -p /var/log/$app
touch /var/log/$app/$app.log
chown radicale -R /var/log/$app

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..."

yunohost service add $app --log="/var/log/uwsgi/app/radicale.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..."

# Start a systemd service
ynh_systemd_action --service_name=uwsgi --action="restart"

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..."

if [ $infcloud -eq 1 ]
then
	# Add /infcloud to the path of radicale to access it from the portal
	# Replace radicale by InfCloud into YunoHost portal
	ynh_app_setting_set --app=$app --key=path --value="${path_url%/}/infcloud"
	# Protect InfCloud access
	ynh_app_setting_set --app=$app --key=protected_uris --value="/"
	domain_regex=$(echo "$domain" | sed 's@-@.@g')
	# Radicale is always accessible (For access to ressources)
	ynh_app_setting_set --app=$app --key=skipped_regex --value="$domain_regex$path_url"
else
	# If only radicale is installed
	# Radicale is always accessible (For access to ressources)
	ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..."

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# SEND A README FOR THE ADMIN
#=================================================

# Get main domain and buid the url of the admin panel of the app.
admin_panel="https://$(grep portal_domain /etc/ssowat/conf.json | cut -d'"' -f4)/yunohost/admin/#/apps/$app"

if [ $infcloud -eq 1 ]
then
	infcloud_config="
InfCloud has its own config file, at $final_path/infcloud/config.js
"
else
	infcloud_config=""
fi

echo "Use the file /etc/radicale/config to change the main configuration of radicale.
The file /etc/radicale/logging to change the level of logging.
And the file /etc/radicale/rights to edit the way the calendars will be shared.
$infcloud_config
You can configure this app easily by using the experimental __URL_TAG1__config-panel feature__URL_TAG2__$admin_panel/config-panel__URL_TAG3__.
You can also find some specific actions for this app by using the experimental __URL_TAG1__action feature__URL_TAG2__$admin_panel/actions__URL_TAG3__.

If you're facing an issue or want to improve this app, please open a new issue in this __URL_TAG1__project__URL_TAG2__https://github.com/YunoHost-Apps/radicale_ynh__URL_TAG3__." > mail_to_send

ynh_send_readme_to_admin --app_message="mail_to_send" --recipients="$admin" --type="install"

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Installation of $app completed"