#!/bin/bash

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

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

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

ynh_clean_setup () {
	### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

domain=$YNH_APP_ARG_DOMAIN
path_url=/
is_public=$YNH_APP_ARG_IS_PUBLIC
server_name=$YNH_APP_ARG_SERVER_NAME
interface=$YNH_APP_ARG_INTERFACE


app=$YNH_APP_INSTANCE_NAME


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

final_path=/opt/yunohost/$app
test ! -e "$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..." --weight=1

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
#will be used when restoring

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Finding an available port..." --weight=1

# Find an available port
#port_web is used for the web interface while port_rend is used by video renderer
port_web=$(ynh_find_port --port=9001)
ynh_app_setting_set --app=$app --key=port_web --value=$port_web
port_rend=$(ynh_find_port --port=5001)
ynh_app_setting_set --app=$app --key=port_rend --value=$port_rend

# Open the port -- TO BE CHECKED IF REQUIRED
ynh_script_progression --message="Configuring firewall..." --weight=3
#ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port_web
ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port_rend

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=30

ynh_install_app_dependencies $pkg_dependencies

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

# Create a system user
#UMS require a home path for the user as config files are stored in there
ynh_system_user_create --username=$app --home_dir=/home/$app

#=================================================
#SETTING MULTIMEDIA DIRECTORY
#=================================================
ynh_script_progression --message="Setting up Multimedia directory..." --weight=9

ynh_multimedia_build_main_dir
ynh_multimedia_addaccess $app


#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=12

# Download, check integrity, uncompress and patch the source from app.src
# Create an app.src for the correct compiled version of UMS
# match string are fulfilled in _common.sh
cp ../conf/app.src.default ../conf/app.src
ynh_replace_string --match_string="__MACH__" --replace_string="$MACH" --target_file="../conf/app.src"
ynh_replace_string --match_string="__SHA256_SUM__" --replace_string="$SHA256" --target_file="../conf/app.src"

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"
tar xfvz $final_path/app.tgz --strip-component=1 --directory=$final_path/
rm $final_path/app.tgz

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R root:$app "$final_path"
chown root:$app "$final_path/UMS.sh"


#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=4

### `ynh_add_nginx_config` will use the file conf/nginx.conf

# Create a dedicated NGINX config
ynh_add_nginx_config "port_web"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=1

# Create a dedicated systemd config
ynh_add_systemd_config


#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Setting up configuration file.." --weight=5

#UMS read config file from .config/UMS folder
mkdir -p "/home/$app/.config/UMS"
ynh_add_config --template="UMS.conf.default" --destination="/home/$app/.config/UMS/UMS.conf"
ynh_add_config --template="WEB.conf.default" --destination="/home/$app/.config/UMS/WEB.conf"
ynh_add_config --template="VirtualFolders.conf.default" --destination="/home/$app/.config/UMS/VirtualFolders.conf"
chown -R $app:$app "/home/$app/.config"
chmod -R  700 "/home/$app/.config"
#chmod 600 "/home/$app/.config/UMS/*"

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

ynh_script_progression --message="Configuring log rotation..." --weight=1

#TO BE CHECKED : debug.log file in ~/.config/UMS/

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description="A DLNA, UPnP and HTTP(S) Media Server." --log="/var/log/$app/$app.log" --needs_exposed_ports "$port_web" "$port_rend"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# SETUP FAIL2BAN
#=================================================
#ynh_script_progression --message="Configuring Fail2Ban..." --time --weight=1

# Create a dedicated Fail2Ban config
#ynh_add_fail2ban_config --logpath="/var/log/nginx/${domain}-error.log" --failregex="Regex to match into the log for a failed login"

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

# 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

### N.B. : the following extra permissions only make sense if your app
### does have for example an admin interface or an api.

# Only the admin can access the admin panel of the app (if the app has an admin panel)
#ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin

# Everyone can access to 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 that the YunoHost Admin can remove visitors group to this permission, so we put --protected="true"
#ynh_permission_create --permission="api" --url "/api" --allowed="visitors" --show_tile="false" --protected="true"

#=================================================
# 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