#!/bin/bash

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

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

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

ynh_clean_setup () {
	true
}
# 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
admin=$YNH_APP_ARG_ADMIN
sudo=$YNH_APP_ARG_SUDO

app=$YNH_APP_INSTANCE_NAME
fpm_footprint="low"
fpm_free_footprint=0
fpm_usage="low"

#=================================================
# 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=$app --key="sudo" --value=$sudo
ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
ynh_app_setting_set --app=$app --key=fpm_free_footprint --value=$fpm_free_footprint
ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage

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

ynh_install_app_dependencies $pkg_dependencies
ynh_install_extra_app_dependencies --repo="deb http://deb.debian.org/debian $(lsb_release --codename --short) contrib non-free" --package="$extra_pkg_dependencies" --key="https://ftp-master.debian.org/keys/release-$(lsb_release --release --short).asc"

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

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

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..."

db_name=$(ynh_sanitize_dbid --db_name=$app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name

#=================================================
# 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
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$final_path"

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

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring PHP-FPM..."

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# CONFIGURING RIGHTS
#=================================================
ynh_script_progression --message="Configuring rights..."

# Create tmp required by Jeedom
mkdir -p /tmp/jeedom
chmod 750 -R /tmp/jeedom
chown $app:www-data -R /tmp/jeedom

# For nginx user to be able to communicate with home automation devices
if [ $(getent group dialout) ]; then
	usermod -a -G dialout $app
fi
if [ $(getent group gpio) ]; then
	usermod -a -G gpio $app
fi
if [ $(getent group tty) ]; then
	usermod -a -G tty $app
fi

# Sudo permissions to the user if agreed to
if [ ${sudo} ]; then
	usermod -a -G "sudo" $app
	if [ $(grep "www-data ALL=(ALL) NOPASSWD: ALL" /etc/sudoers | wc -l) -eq 0 ];then
		bash -c 'echo "www-data ALL=(ALL) NOPASSWD: ALL" | (EDITOR="tee -a" visudo)'
	fi
fi

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

ynh_add_config --template="common.config.php" --destination="$final_path/core/config/common.config.php"

chmod 400 "$final_path/core/config/common.config.php"
chown $app:$app "$final_path/core/config/common.config.php"

# Cron
ynh_add_config --template="cronjeedom" --destination="/etc/cron.d/${app}"
ynh_add_config --template="cronjeedom_watchdog" --destination="/etc/cron.d/${app}_watchdog"

#=================================================
# INSTALL JEEDOM
#=================================================
ynh_script_progression --message="Installing Jeedom..."

# Install Jeedom
php$phpversion $final_path/install/install.php mode=force

# Configure LDAP and the Admin User and access settings
ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="../conf/config.sql"
ynh_mysql_execute_file_as_root --file="../conf/config.sql" --database=$db_name

#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_script_progression --message="Securing files and directories..."

# Set permissions to app files
chmod 750 -R $final_path
chown -R $app:www-data $final_path

# Create tmp required by Jeedom
chmod 750 -R /tmp/jeedom
chown $app:www-data -R /tmp/jeedom

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

# Everyone can access the API part
# We don't want to display the tile in the SSO so we put --show_tile="false"
# And we don't want the YunoHost admin to be able to remove visitors group to this permission, so we put --protected="true"
ynh_permission_create --permission="api" --url="/core/api/jeeApi.php" --allowed="visitors" --show_tile="false" --protected="true"

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

ynh_systemd_action --service_name=nginx --action=reload

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

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