#!/bin/bash

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

#Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	ynh_secure_remove "$tempdir" 2>&1
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_print_info "Loading settings..."

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path)
final_path=$(ynh_app_setting_get $app final_path)
config_path=$(ynh_app_setting_get $app config_path)
port=$(ynh_app_setting_get "$app" web_port)
portUnicorn=$(ynh_app_setting_get "$app" unicorn_port)
architecture=$(ynh_app_setting_get "$app" architecture)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_print_info "Validating restoration parameters..."

ynh_webpath_available $domain $path_url \
	|| ynh_die "Path not available: ${domain}${path_url}"
test ! -d $final_path \
	|| ynh_die "There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================

ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_print_info "Reinstalling dependencies..."

# Define and install dependencies
ynh_install_app_dependencies $pkg_dependencies

#=================================================
# RESTORE CONF FILES
#=================================================
ynh_print_info "Restoring configuration files of Gitlab..."

ynh_restore_file "$config_path/gitlab-secrets.json"
ynh_restore_file "$config_path/gitlab.rb"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_print_info "Reinstalling gitlab..."

update_src_version() {
	source ../settings/scripts/upgrade.d/upgrade.last.sh
	mkdir -p ../conf/
	cp ../settings/conf/$architecture.src.default ../conf/$architecture.src
	ynh_replace_string "__VERSION__" "$gitlab_version" "../conf/$architecture.src"
	ynh_replace_string "__SOURCE_FILENAME__" "$gitlab_filename" "../conf/$architecture.src"

	if [ $architecture = "x86-64" ]; then
		ynh_replace_string "__SHA256_SUM__" "$gitlab_x86_64_source_sha256" "../conf/$architecture.src"
	elif [ $architecture = "arm" ]; then
		ynh_replace_string "__SHA256_SUM__" "$gitlab_arm_source_sha256" "../conf/$architecture.src"
	fi
}

update_src_version

tempdir="$(mktemp -d)"

ynh_setup_source $tempdir $architecture

if IS_PACKAGE_CHECK; then
	if ! dpkg -i $tempdir/$gitlab_filename ; then # This command will fail in lxc env
		ynh_replace_string "command \"cat \/etc\/sysctl.conf \/etc\/sysctl.d\/\*.conf  | sysctl -e -p -\"" "command \"cat \/etc\/sysctl.conf\"" "$final_path/embedded/cookbooks/package/resources/sysctl.rb"
		dpkg --configure gitlab-ce
	fi
else
	dpkg -i $tempdir/$gitlab_filename
fi

#=================================================
# SPECIFIC RESTORATION
#=================================================
# RESTORE GITLAB DATABASE
#=================================================
ynh_print_info "Restoring Gitlab..."

ynh_restore_file "/var/opt/$app/backups/last_gitlab_backup.tar"

last_backup="last"

gitlab-ctl stop unicorn
gitlab-ctl stop sidekiq

# Use gitlab-rake to backup
ynh_exec_warn_less gitlab-rake gitlab:backup:restore force=yes BACKUP=$last_backup

gitlab-rake gitlab:check SANITIZE=true

gitlab-ctl restart

ynh_print_info "Waiting for gitlab..."

gitlab_ctl_waiting --timeout=3600

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================
ynh_print_info "Reloading nginx web server..."

ynh_systemd_action --action=reload --service_name=nginx

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

ynh_print_info "Restoration completed for $app"