#!/bin/bash

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

source _common.sh
source ynh_install_go
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=$app --action="stop" --log_path="/var/log/$app/$app.log"

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

if [ -z "${name:-}" ]; then
	name=$oidc_name
	ynh_app_setting_set --app=$app --key=name --value=$name
	ynh_app_setting_delete --app=$app --key=oidc_name
fi

if [ -z "${secret:-}" ]; then
	secret=$oidc_secret
	ynh_app_setting_set --app=$app --key=secret --value=$secret
	ynh_app_setting_delete --app=$app --key=oidc_secret
fi

if [ -z "${callback:-}" ]; then
	callback=$oidc_callback
	ynh_app_setting_set --app=$app --key=callback --value=$callback
	ynh_app_setting_delete --app=$app --key=oidc_callback
fi

#=================================================
# 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.yaml"
fi

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

#=================================================
# SPECIFIC UPGRADE
#=================================================
# BUILDING SOURCES AND SETTING UP THE SERVER
#=================================================
ynh_script_progression --message="Building the sources (it will take some time)..." --weight=6

ynh_exec_warn_less ynh_install_go --go_version=$GO_VERSION

pushd "$install_dir"
	# Setup go exe and environnement
	ynh_use_go
	export GOPATH="$install_dir/go"
	export GOCACHE="$install_dir/go/.cache"
	# Build server from source
	make build 2>&1
	ynh_secure_remove --file="$install_dir/go"
popd

ynh_remove_go

# Setup a nice Yunohost logo
cp ../sources/logo_dark.png "$install_dir/web/themes/dark/logo.png"
cp ../sources/logo_light.png "$install_dir/web/themes/light/logo.png"

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

ynh_add_config --template="config.yaml" --destination="$install_dir/config.yaml"

chmod 400 "$install_dir/config.yaml"
chown $app:$app "$install_dir/config.yaml"

#=================================================
# SETUP SYSTEMD
#=================================================
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 $app --description="OpenID Connect Provider" --log="/var/log/$app/$app.log"

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

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

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

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