#!/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

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

if [ -z "${registration_enabled:-}" ]; then
	registration_enabled="true"
	ynh_app_setting_set --app="$app" --key=registration_enabled --value=$registration_enabled
fi

if [ -z "${login_enabled:-}" ]; then
	login_enabled="true"
	ynh_app_setting_set --app="$app" --key=login_enabled --value=$login_enabled
fi

if [ -z "${captcha_enabled:-}" ]; then
	captcha_enabled="true"
	ynh_app_setting_set --app="$app" --key=captcha_enabled --value=$captcha_enabled
fi

if [ -z "${key:-}" ]; then
	key=$(ynh_string_random --length=24)
	ynh_app_setting_set --app="$app" --key=key --value="$key"
fi

if [ -z "${enable_user_notifications:-}" ]; then
	enable_user_notifications="true"
	ynh_app_setting_set --app="$app" --key=enable_user_notifications --value="$enable_user_notifications"
fi

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

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=8

ynh_exec_warn_less curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --channel=stable

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

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=5

	pushd "$install_dir"
		chown -R "$app:www-data" "$install_dir"
		git config --system --add safe.directory "$install_dir"
		ynh_exec_as "$app" git config pull.rebase false
		
		ynh_exec_as "$app" git fetch
    	#git checkout master
    	ynh_exec_as "$app" git reset --hard --quiet "$version_commit"
		ynh_exec_as "$app" git pull
		ynh_exec_warn_less shards install --production
		ynh_exec_warn_less crystal build "$install_dir/src/invidious.cr" --release
	popd
fi

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

ynh_add_systemd_config

ynh_add_config --template="cron_invidious" --destination="/etc/cron.d/$app"
chown root: "/etc/cron.d/$app"
chmod 644 "/etc/cron.d/$app"

ynh_use_logrotate --non-append

yunohost service add "$app" --description="Invidious is an alternative front-end to YouTube" --log="/var/log/$app/$app.log"

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

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

chmod 600 "$install_dir/config/config.yml"
chown "$app:$app" "$install_dir/config/config.yml"

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

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

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

ynh_script_progression --message="Upgrade of Invidious completed" --last