#!/bin/bash

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

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


#=================================================
# CHECK VERSION
#=================================================
ynh_script_progression --message="Checking version..."

upgrade_type=$(ynh_check_app_version_changed)


#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..."

# If language_key doesn't exist, create it
if [ -z "${language_key:-}" ]; then
        language_key=$(ynh_app_setting_get --app=$app --key=language)
	ynh_app_setting_set --app=$app --key=language_key --value=$language_key
	ynh_app_setting_delete --app=$app --key=language
fi

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..."

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# MAKE INSTALL
#=================================================
ynh_script_progression --message="Making install..."

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	
	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir/build/"
	
	mkdir -p "$install_dir/live/"
	rsync -a "$install_dir/build/opt/photoprism/" "$install_dir/live/"
	ynh_secure_remove --file="$install_dir/build"
fi

chmod 750 "$install_dir"
chmod -R o-rwx "$install_dir"
chown -R $app:$app "$install_dir"

#=================================================
# UPDATE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Updating data directory..."

mkdir -p $data_dir
if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	rsync -a "$install_dir/live/assets/" "$data_dir/assets/"
	ynh_secure_remove --file="$install_dir/live/assets/"
fi

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

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..."

ynh_add_config --template="../conf/.env" --destination="$install_dir/.env"

chmod 600 "$install_dir/.env"
chown $app:$app "$install_dir/.env"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..."

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..."

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

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

yunohost service add $app --description="AI-Powered Photos App for the Decentralized Web" --log="/var/log/$app/$app.log"

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

ynh_exec_warn_less ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log" --line_match="Started AI-Powered Photos App for the Decentralized Web"

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

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