#!/bin/bash

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

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

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================
#REMOVEME? ynh_clean_setup () {
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
#REMOVEME? ynh_abort_if_errors

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

#REMOVEME? domain=$YNH_APP_ARG_DOMAIN
path="/"
#REMOVEME? admin=$YNH_APP_ARG_ADMIN
#REMOVEME? is_public=$YNH_APP_ARG_IS_PUBLIC
#REMOVEME? allow_multimedia_write=$YNH_APP_ARG_ALLOW_MULTIMEDIA_WRITE
#REMOVEME? app=$YNH_APP_INSTANCE_NAME

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

#REMOVEME? install_dir=/opt/yunohost/$app
#REMOVEME? test ! -e "$install_dir" || ynh_die --message="This path already contains a folder"
#REMOVEME? ynh_app_setting_set --app=$app --key=install_dir --value="$install_dir"

data_path=/home/yunohost.app/$app
test ! -e "$data_path" || ynh_die --message="This path already contains a folder"
#REMOVEME? ynh_app_setting_set --app=$app --key=data_path --value="$data_path"

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

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
#REMOVEME? ynh_script_progression --message="Storing installation settings..." --weight=1

#REMOVEME? ynh_app_setting_set --app=$app --key=domain --value=$domain
#REMOVEME? ynh_app_setting_set --app=$app --key=path --value=$path
#REMOVEME? ynh_app_setting_set --app=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=allow_multimedia_write --value=$allow_multimedia_write

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND PORTS
#=================================================
ynh_script_progression --message="Finding available ports..." --weight=1

# Find an available port
#REMOVEME? port=$(ynh_find_port --port=3000)
#REMOVEME? ynh_app_setting_set --app=$app --key=port --value=$port
#REMOVEME? backend_port=$(ynh_find_port --port=8001)
#REMOVEME? ynh_app_setting_set --app=$app --key=backend_port --value=$backend_port
#REMOVEME? similarity_port=$(ynh_find_port --port=$(expr $backend_port + 1))
#REMOVEME? ynh_app_setting_set --app=$app --key=similarity_port --value=$similarity_port

#=================================================
# INSTALL DEPENDENCIES
#=================================================
#REMOVEME? ynh_script_progression --message="Installing dependencies..." --weight=5

#REMOVEME? ynh_install_app_dependencies $pkg_dependencies
#REMOVEME? ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"

#=================================================
# CREATE A POSTGRESQL DATABASE
#=================================================
#REMOVEME? ynh_script_progression --message="Creating a PostgreSQL database..." --weight=1

#REMOVEME? db_name=$(ynh_sanitize_dbid --db_name=$app)
#REMOVEME? db_user=$db_name
#REMOVEME? ynh_psql_test_if_first_run
#REMOVEME? ynh_app_setting_set --app=$app --key=db_name --value=$db_name
#REMOVEME? ynh_psql_setup_db --db_user=$db_user --db_name=$db_name

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=5

unpack_source

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

# Create a dedicated NGINX config
ynh_add_nginx_config backend_port

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

# Create a system user
#REMOVEME? ynh_system_user_create --username=$app --home_dir=$data_path

#=================================================
# SPECIFIC SETUP
#=================================================
# SET UP BACKEND
#=================================================
ynh_script_progression --message="Setting up backend..." --weight=60

set_up_backend

#=================================================
# SET UP FRONTEND
#=================================================
ynh_script_progression --message="Setting up frontend..." --weight=15

set_up_frontend

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

# Create dedicated systemd configs
ynh_add_systemd_config --service=$app-backend --template=backend.service
ynh_add_systemd_config --service=$app-frontend --template=frontend.service
ynh_add_systemd_config --service=$app-image-similarity --template=image-similarity.service
ynh_add_systemd_config --service=$app-worker --template=worker.service

#=================================================
# ADD CONFIGURATIONS
#=================================================
ynh_script_progression --message="Generating configuration files..." --weight=1

add_configuations

#=================================================
# FINALIZE DATABASE
#=================================================
ynh_script_progression --message="Finalizing database..." --weight=1

upgrade_db

pushd "$install_dir/backend"
	admin_mail="$(ynh_user_get_info $admin 'mail')"
	sudo -u $app bash -c "
		set -a
		export PATH=\"$path_prefix:"'$PATH'"\"
		source \"$install_dir\"/librephotos.env
		python3 manage.py createsuperuser --noinput --username \"$admin\" --email \"$admin_mail\"
	" 2>&1
	for user in $(ynh_user_list); do
		mail=$(ynh_user_get_info --username="$user" --key=mail)
		sudo -u $app bash -c "
			set -a
			export PATH=\"$path_prefix:"'$PATH'"\"
			source \"$install_dir\"/librephotos.env
			python3 manage.py shell 
		" <<< "
from django.contrib.auth import get_user_model
User = get_user_model()
try:
    user = User.objects.get(username='$user')
    user.scan_directory='/home/yunohost.multimedia/$user/Picture'
    user.save()
except User.DoesNotExist:
    User.objects.create_user('$user', email='$mail', scan_directory='/home/yunohost.multimedia/$user/Picture')
" 2>&1
	done
popd

#=================================================
# YUNOHOST MULTIMEDIA INTEGRATION
#=================================================
ynh_script_progression --message="Adding multimedia directories..." --weight=1

# Build YunoHost multimedia directories
ynh_multimedia_build_main_dir
if [ $allow_multimedia_write -eq 1 ]; then
	ynh_multimedia_addaccess $app
fi

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

# Set permissions to app files
set_permissions

#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1

# Use logrotate to manage application logfiles
set_up_logrotate

#=================================================
# INTEGRATE SERVICES IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating services in YunoHost..." --weight=1

yunohost service add $app-backend --description="Backend for librephotos" --log="/var/log/$app/gunicorn_django.log"
yunohost service add $app-frontend --description="Frontend for librephotos" --log="/var/log/$app/$app-frontend.log"
yunohost service add $app-image-similarity --description="Image similarity server for librephotos" --log="/var/log/$app/image_similarity.log"
yunohost service add $app-worker --description="Worker for librephotos" --log="/var/log/$app/$app-worker.log"

#=================================================
# START SYSTEMD SERVICES
#=================================================
ynh_script_progression --message="Starting systemd services..." --weight=1

# Start systemd services
ynh_systemd_action --service_name=$app-backend --action="start" --log_path="/var/log/$app/gunicorn_django.log" --line_match="Listening at: http"
ynh_systemd_action --service_name=$app-frontend --action="start" --log_path="systemd" --line_match="INFO: Accepting connections at http:"
ynh_systemd_action --service_name=$app-image-similarity --action="start" --log_path="/var/log/$app/image_similarity.log"
ynh_systemd_action --service_name=$app-worker --action="start" --log_path="/var/log/$app/$app-worker.log"


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

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

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

#REMOVEME? ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Installation of $app completed" --last