#!/bin/bash

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

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

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

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# ACTIVATE MAINTENANCE MODE
#=================================================
ynh_script_progression --message="Activating maintenance mode..." --weight=2

ynh_maintenance_mode_ON

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

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

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=2

# Fix always_encrypt as a boolean
if [ "${always_encrypt:-}" = "Yes" ]; then
	ynh_app_setting_set --app=$app --key=always_encrypt --value=1
	always_encrypt=1
elif [ "${always_encrypt:-}" = "No" ]; then
	ynh_app_setting_set --app=$app --key=always_encrypt --value=0
	always_encrypt=0
fi

# If overwrite_settings doesn't exist, create it
if [ -z "${overwrite_settings:-}" ]; then
	overwrite_settings=1
	ynh_app_setting_set --app=$app --key=overwrite_settings --value=$overwrite_settings
fi

# If overwrite_nginx doesn't exist, create it
if [ -z "${overwrite_nginx:-}" ]; then
	overwrite_nginx=1
	ynh_app_setting_set --app=$app --key=overwrite_nginx --value=$overwrite_nginx
fi

# If overwrite_systemd doesn't exist, create it
if [ -z "${overwrite_systemd:-}" ]; then
	overwrite_systemd=1
	ynh_app_setting_set --app=$app --key=overwrite_systemd --value=$overwrite_systemd
fi

# If secret doesn't exist, create it
if [ -z "${secret:-}" ]; then
	secret=$(grep "secrets *=>" "$install_dir/lutim.conf" | cut -d\' -f2)
	ynh_app_setting_set --app=$app --key=secret --value=$secret
fi

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

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

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

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

#=================================================
# NGINX CONFIGURATION
#=================================================

# Overwrite the nginx configuration only if it's allowed
if [ $overwrite_nginx -eq 1 ]
then
	ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2
	ynh_add_nginx_config
fi

#=================================================
# SPECIFIC UPGRADE
#=================================================
# SETUP LUTIM
#=================================================
ynh_script_progression --message="Reconfiguring $app..."

# Overwrite the settings config file only if it's allowed
if [ $overwrite_settings -eq 1 ]
then
	workers="$(( $(nproc) * 2 ))"
	ynh_add_config --template="../conf/lutim.conf.template" --destination="$install_dir/lutim.conf"

	chmod 400 "$install_dir/lutim.conf"
	chown $app:$app "$install_dir/lutim.conf"

	# Optional parameters from config-panel feature
	if [ -n "${antiflood:-}" ]; then
		ynh_replace_string --match_string=".*anti_flood_delay *=>.*" --replace_string="	anti_flood_delay  => $antiflood," --target_file="$install_dir/lutim.conf"
		# Disable anti_flood_delay if the delay is 0
		if [ $antiflood = 0 ]; then
			ynh_replace_string --match_string="\(anti_flood_delay *=>.*\)" --replace_string="#\1" --target_file="$install_dir/lutim.conf"
		fi
	fi
	if [ -n "${delay:-}" ]; then
		ynh_replace_string --match_string=".*default_delay *=>.*" --replace_string="	default_delay	 => $delay," --target_file="$install_dir/lutim.conf"
	fi
fi

#=================================================
# SETUP HOOKS FILE
#=================================================

ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../hooks/post_app_addaccess"
ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../hooks/post_app_removeaccess"

#=================================================
# SETUP CRON
#=================================================

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

#=================================================
# UPDATE LUTIM WITH CARTON
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading $app with Carton..." --weight=4
	pushd "$install_dir"
		ynh_secure_remove --file="$install_dir/local"
		carton install --without=mysql --without=htpasswd --without=test
	popd
fi

#=================================================
# SETUP SYSTEMD
#=================================================

# Overwrite the systemd configuration only if it's allowed
if [ $overwrite_systemd -eq 1 ]
then
	ynh_script_progression --message="Upgrading systemd configuration..." --weight=2
	ynh_add_systemd_config
fi

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

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append
chown $app -R /var/log/$app

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

yunohost service add $app --log="$install_dir/log/production.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=4

ynh_systemd_action --service_name=$app --action="start" --line_match="Manager.*started" --log_path="/var/log/$app/production.log" --timeout="120"

#=================================================
# DEACTIVE MAINTENANCE MODE
#=================================================

ynh_maintenance_mode_OFF

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

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