#!/bin/bash

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

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

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

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
admin=$(ynh_app_setting_get --app=$app --key=admin)
port=$(ynh_app_setting_get --app=$app --key=port)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
datadir=$(ynh_app_setting_get --app=$app --key=datadir)
auth=$(ynh_app_setting_get --app=$app --key=auth)
hashed_password=$(ynh_app_setting_get --app=$app --key=hashed_password)
enable_proposed_api=$(ynh_app_setting_get --app=$app --key="enable_proposed_api")
extensions_gallery=$(ynh_app_setting_get --app=$app --key="extensions_gallery")

#=================================================
# CHECK VERSION
#=================================================

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)..." --time --weight=1

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# 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 SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --time --weight=1

ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"

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

if ynh_compare_current_package_version -c le -v "3.11.0~ynh1"
then
	extension_service_url=$(ynh_app_setting_get --app=$app --key="extension_service_url")
	extension_item_url=$(ynh_app_setting_get --app=$app --key="extension_item_url")

	if [ "$extension_service_url" ] && [ "$extension_item_url" ]
	then
		extensions_gallery="{\"serviceUrl\": \"$extension_service_url\",\"itemUrl\": \"$extension_item_url\"}"

		ynh_app_setting_set --app=$app --key="extensions_gallery" --value="$extensions_gallery"

		ynh_app_setting_delete --app=$app --key="extension_service_url"
		ynh_app_setting_delete --app=$app --key="extension_item_url"
	fi

	if [ "$enable_proposed_api" ]
	then
		ynh_print_warn --message="Custom enable-proposed-api. You have to enable again them through application config panel."
		ynh_print_warn --message="enable-proposed-api was set to: $enable_proposed_api"

		ynh_app_setting_delete --app=$app --key="enable_proposed_api"
	fi

	if [ "$hashed_password" ]
	then
		auth="password"
	else
		auth="none"
	fi
	ynh_app_setting_get --app=$app --key=auth --value=$auth

	ynh_secure_remove --file=$final_path
	mkdir -p $final_path
fi

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

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

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

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R root:$admin "$final_path"

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# ...
#=================================================

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --time --weight=1

ynh_add_config --template="config.yaml" --destination="$final_path/config.yaml"
ynh_add_config --template="code-server.env" --destination="$final_path/code-server.env"

if [ "$auth" == "password" ]
then
	echo "hashed-password: $hashed_password" >> "$final_path/config.yaml"
fi

chmod 440 "$final_path/config.yaml" "$final_path/code-server.env"
chown root:$admin "$final_path/config.yaml" "$final_path/code-server.env"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --time --weight=1

# Create a dedicated systemd config
ynh_add_systemd_config

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

yunohost service add $app --description="VS Code Server" --log="/var/log/$app/$app.log"

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

ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

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

ynh_systemd_action --service_name=nginx --action=reload

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

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