#!/bin/bash

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

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

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

# 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=$YNH_APP_ARG_ADMIN
language=$YNH_APP_ARG_LANGUAGE
is_public=$YNH_APP_ARG_IS_PUBLIC

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=1

### If the app uses nginx as web server (written in HTML/PHP in most cases), the final path should be "/var/www/$app".
### If the app provides an internal web server (or uses another application server such as uwsgi), the final path should be "/opt/yunohost/$app"
final_path=/var/www/$app
test ! -e "$final_path" || ynh_die "This path already contains a folder"

# Check web path availability
ynh_webpath_available --domain=$domain --path_url=$path_url
# 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..." --weight=1

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=$app --key=language --value=$language

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=2

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

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=1

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=1

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

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring PHP-FPM..." --weight=3

# Create a dedicated php-fpm config
ynh_add_fpm_config --usage=medium --footprint=medium --package="$extra_php_dependencies"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set permissions on app files
chown -R $app:www-data "$final_path"
find "$final_path" -type f -exec chmod 640 {} \;
find "$final_path/bin" -type f -exec chmod 750 {} \;
find "$final_path" -type d -exec chmod 750 {} \;
find "$final_path" -type d -exec chmod +s {} \;

#=================================================
# INSTALL LDAP PLUGIN
#=================================================
ynh_script_progression --message="Installing and configuring LDAP plugin..." --weight=1

pushd "$final_path"
	exec_as $app php${YNH_PHP_VERSION} bin/gpm install login-ldap --no-interaction
popd
exec_as $app mkdir -p "$final_path/user/config/plugins/login-ldap"
exec_as $app touch "$final_path/user/accounts/admin.yaml"

ynh_add_config --template="../conf/login-ldap.yaml" --destination="$final_path/user/config/plugins/login-ldap.yaml"
chown $app:$app "$final_path/user/config/plugins/login-ldap.yaml"
chmod 640 "$final_path/user/config/plugins/login-ldap.yaml"

#=================================================
# CREATE A CRON TASK
#=================================================

echo "* *  *  *  * $app php${YNH_PHP_VERSION} $final_path/bin/grav scheduler 1>> /dev/null 2>&1" > /etc/cron.d/$app

#=================================================
# SETUP PERMISSIONS
#=================================================
ynh_script_progression --message="Configuring permissions..." --weight=1

# Giving admin permission to the specified used
ynh_permission_create --permission "admin" --allowed $admin

# Creating user permission
ynh_permission_create --permission "user"

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# Everyone can access the app.
	# The "main" permission is automatically created before the install script.
	ynh_permission_update --permission "main" --add "visitors"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

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