#!/usr/bin/env bash

# CONSTANTS

BASEDIR=$(dirname "$0")
CONTAINER=''
IMPORT_FILE=''

# FUNCTIONS

function usage {
	echo "$(basename "$0") <CONTAINER_NAME> <BACKUP_SYMPA_FILE>"
}

function parse_options {
	while [[ $# -gt 0 ]]; do
		case "$1" in
		--help | -h)
			usage && exit 0
			;;
		*)
			if [[ -z $CONTAINER ]]; then
				CONTAINER=$1
			elif [[ -z $IMPORT_FILE ]]; then
				IMPORT_FILE=$1
			else
				echo >&2 "Unknown option: $1" && usage && exit 2
			fi
			;;
		esac

		shift 1 # Move to the next argument
	done
	[[ -z $CONTAINER ]] && [[ ! -f $IMPORT_FILE ]] && (usage && exit 1) || true
}

function assert_fake_sympa {
	[[ $(fqdn) == 'topcode' ]] && [[ -d /opt/miaou-incus ]]
}

function install_fake_additional {
	assert_fake_sympa || return

	echo 'install fake additional...'
	miaou-push $CONTAINER $HOME/.ssh/id_ed25519 /root/.ssh/
	miaou-push $CONTAINER $HOME/.ssh/id_ed25519.pub /root/.ssh/

	local sympa_domain=$(miaou-exec $CONTAINER -- grep ^domain /etc/sympa/sympa/sympa.conf | cut -f2)
	echo sympa_domain=$sympa_domain
	local sympa_authenticity_key_host=$(ssh-keygen -lF $sympa_domain | grep "^$sympa_domain ED25519" | head -1)
	[[ -z $sympa_authenticity_key_host ]] &&
		echo "fake additional has failed due to unknown machine: $sympa_domain. please connect once like: \`ssh $sympa_domain\` then retry" &&
		exit 11

	miaou-exec $CONTAINER -- bash <<EOF
ssh-keyscan -t ed25519 -H $sympa_domain >> /root/.ssh/known_hosts
EOF
	local sympa_authenticity_key_container=$(miaou-exec $CONTAINER -- ssh-keygen -lF $sympa_domain | grep "^$sympa_domain ED25519" | head -1)
	[[ "$sympa_authenticity_key_host" != "$sympa_authenticity_key_container" ]] &&
		echo "authenticity key for machine: $sympa_domain mismatched!. please compare like: \`ssh-keygen -lF $sympa_domain\` both from host and container" &&
		exit 12

	miaou-recipe "$CONTAINER" "$BASEDIR"/../recipe/sympa_ldap_auth_remote.recipe
	echo 'install fake additional...OK'
}

# MAIN

set -Eue
parse_options $*

"$BASEDIR"/miaou-install-sympa "$CONTAINER"

import_base=$(basename $IMPORT_FILE)
echo "copy import file: $import_base"
miaou-push $CONTAINER $IMPORT_FILE /root/

echo "launch the import process"
miaou-exec $CONTAINER -- /opt/miaou-sympa/tools/sympa_import.bash "/root/$import_base"

install_fake_additional