#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading settings..." --weight=1

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
app_key=$(ynh_app_setting_get --app=$app --key=app_key)
redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)

#=================================================
# CHECK VERSION
#=================================================
ynh_script_progression --message="Checking version..." --weight=1

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=1

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	ynh_clean_check_starting
	# Restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SUPERVISOR SERVICE
#=================================================
ynh_script_progression --message="Stopping a supervisor service..." --weight=1

ynh_supervisor_action --service_name="${app}-horizon" --action="stop" --log_path="systemd" --line_match="stopped: ${app}-horizon"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

ynh_app_setting_delete --app=$app --key=fpm_footprint
ynh_app_setting_delete --app=$app --key=fpm_usage

# If redis_db doesn't exist, create it
if [ -z "$redis_db" ]; then
	redis_db=$(ynh_redis_get_free_db)
	ynh_app_setting_set --app=$app --key=redis_db --value=$redis_db
fi

# If app_key doesn't exist, retrieve it
if [ -z "$app_key" ]; then
	ynh_script_progression --message="Retrieving app_key..."
	app_key=$(grep -oP "APP_KEY=\Kbase64.*" "$final_path/.env")
	ynh_app_setting_set --app="$app" --key=app_key --value="$app_key"
fi

if dpkg --compare-versions "0.9.0~ynh3" gt "$(ynh_read_manifest --manifest="/etc/yunohost/apps/$YNH_APP_INSTANCE_NAME/manifest.json" --manifest_key="version" || echo 1.0)" ; then
	ynh_script_progression --message="Ensuring upgrade compatibility to 0.9.0~ynh3..."
	
	ynh_script_progression --message="Configuring a systemd service..."
	ynh_add_systemd_config --service="${app}-horizon" --template=horizon.conf
fi

if dpkg --compare-versions "0.10.9~ynh2" gt "$(ynh_read_manifest --manifest="/etc/yunohost/apps/$YNH_APP_INSTANCE_NAME/manifest.json" --manifest_key="version" || echo 1.0)" ; then
	ynh_script_progression --message="Ensuring upgrade compatibility to 0.10.9~ynh2..."
	
	ynh_script_progression --message="Stopping and removing the systemd service..."
	ynh_remove_systemd_config --service="${app}-horizon"
	
	ynh_script_progression --message="Installing dependencies..."
	ynh_install_app_dependencies "$pkg_dependencies"
	
	ynh_script_progression --message="Creating log file..."
	mkdir -p "/var/log/$app/"
	touch "/var/log/$app/${app}-horizon.log"
	chown -R $app: "/var/log/$app/"

	ynh_script_progression --message="Configuring a supervisor service..."
	phpversion=$YNH_PHP_VERSION
	ynh_add_supervisor_config --service="${app}-horizon" --template=horizon.conf
	
	ynh_script_progression --message="Starting a supervisor service..."
	ynh_supervisor_action --service_name="${app}-horizon" --action="start" --log_path="systemd" --line_match="success: ${app}-horizon"
fi

if dpkg --compare-versions "0.10.9~ynh3" gt "$(ynh_read_manifest --manifest="/etc/yunohost/apps/$YNH_APP_INSTANCE_NAME/manifest.json" --manifest_key="version" || echo 1.0)" ; then
	ynh_script_progression --message="Ensuring upgrade compatibility to 0.10.9~ynh3..."
	
	if ynh_exec_warn_less yunohost service status ${app}-horizon >/dev/null
	then
		ynh_script_progression --message="Removing ${app}-horizon service..."
		yunohost service remove "${app}-horizon"
	fi
	
	ynh_script_progression --message="Integrating service in YunoHost..."
	yunohost service add "supervisor" --description="Supervisor daemon for $app" --log="/var/log/$app/${app}-horizon.log"
fi

# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
	ynh_legacy_permissions_delete_all

	ynh_app_setting_delete --app=$app --key=is_public
fi

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1

# Create a dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=1

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

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"
# Pixelfed app should be able to edit its settings from the admin panel
chmod 600 "$final_path"/.env

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=1

ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE COMPOSER DEPENDENCIES
#=================================================
ynh_script_progression --message="Updating composer dependencies..." --weight=1

ynh_exec_warn_less ynh_composer_exec --workdir="$final_path" --commands="update"

#=================================================
# DEPLOYMENT
#=================================================
ynh_script_progression --message="Deploying..."

pushd "$final_path"
	php$phpversion artisan horizon:install
	php$phpversion artisan horizon:publish
	php$phpversion artisan passport:keys --force
	php$phpversion artisan config:clear
	php$phpversion artisan config:cache
	php$phpversion artisan route:clear
	php$phpversion artisan route:cache
	php$phpversion artisan view:clear
	php$phpversion artisan view:cache
	php$phpversion artisan storage:link
	php$phpversion artisan migrate --force
	php$phpversion artisan update
	php$phpversion artisan horizon:purge
	php$phpversion artisan import:cities 2>/dev/null
	php$phpversion artisan instance:actor
	php$phpversion artisan passport:client --personal <<< "\\n"
popd

#=================================================
# CREATE LOG FILE
#=================================================
ynh_script_progression --message="Creating log file..." --weight=1

mkdir -p "/var/log/$app/"
touch "/var/log/$app/${app}-horizon.log"
chown -R $app: "/var/log/$app/"

#=================================================
# UPGRADE THE CRON FILE
#=================================================
ynh_script_progression --message="Upgrading cron file..." --weight=1

ynh_add_config --template="../conf/cron" --destination="/etc/cron.d/$app"

#=================================================
# SETUP SUPERVISOR
#=================================================
ynh_script_progression --message="Upgrading supervisor configuration..." --weight=1

# Create a dedicated supervisor config
ynh_add_supervisor_config --service="${app}-horizon" --template=horizon.conf

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1

# 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..." --weight=1

yunohost service add "supervisor" --description="Supervisor daemon for $app" --log="/var/log/$app/${app}-horizon.log"

#=================================================
# START SUPERVISOR SERVICE
#=================================================
ynh_script_progression --message="Starting a supervisor service..." --weight=1

ynh_supervisor_action --service_name="${app}-horizon" --action="start" --log_path="systemd" --line_match="success: ${app}-horizon"

#=================================================
# 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="Upgrade of $app completed" --last