#!/bin/bash

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

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

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

upgrade_type=$(ynh_check_app_version_changed)

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

ynh_systemd_action --service_name="$app" --action="stop" --log_path="systemd"

#=================================================
# 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="$install_dir" --keep="config/appsettings.json"
fi

chmod -R o-rwx "$install_dir"
chown -R "$app":www-data "$install_dir"
chmod +x "$install_dir"/Kavita

#=================================================
# MODIFY A CONFIG FILE
#=================================================
ynh_script_progression --message="Modifying a config file..." --weight=1

key=$(ynh_app_setting_get --app="$app" --key=key)

if [ -z "$key" ] || [ "$key" == "super secret unguessable key that is longer because we require it" ]
then
	key=$(ynh_string_random --length=70)
	ynh_app_setting_set --app="$app" --key=key --value="$key"
fi

url_path=$(ynh_app_setting_get --app="$app" --key=url_path)

if [ -z "$url_path" ]; then
	url_path=${path#/}
	ynh_app_setting_set --app="$app" --key=url_path --value="$url_path"
fi

ynh_add_config --template="../conf/appsettings.json.example" --destination="$install_dir/config/appsettings.json"

chmod 600 "$install_dir/config/appsettings.json"
chown "$app":"$app" "$install_dir/config/appsettings.json"

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated systemd config
ynh_add_systemd_config

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

yunohost service add "$app" --description="Cross platform reading server" --log="/var/log/$app/$app.log"

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

ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"

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

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