#!/usr/bin/env bash
# Cached local host details displayed by the interactive menu header.

TAPM_HEADER_INFO_LOADED=0
TAPM_HEADER_PVE_VERSION='Unavailable'
TAPM_HEADER_CLUSTER='Standalone'

TAPM_LOAD_HEADER_INFO() {
	local pve_output=''
	local first_line=''
	local cluster_config="${1:-/etc/pve/corosync.conf}"
	local cluster_name=''
	local line=''

	(( TAPM_HEADER_INFO_LOADED == 0 )) || return 0
	TAPM_HEADER_INFO_LOADED=1

	if command -v pveversion >/dev/null 2>&1; then
		pve_output="$(pveversion 2>/dev/null || true)"
		first_line="${pve_output%%$'\n'*}"
		if [[ "$first_line" =~ ^pve-manager/([^/[:space:]]+) ]]; then
			TAPM_HEADER_PVE_VERSION="${BASH_REMATCH[1]}"
		elif [[ -n "$first_line" ]]; then
			TAPM_HEADER_PVE_VERSION="${first_line%%[[:space:]]*}"
		fi
	fi

	if [[ -r "$cluster_config" ]]; then
		while IFS= read -r line; do
			if [[ "$line" =~ ^[[:space:]]*cluster_name:[[:space:]]*([^[:space:]#]+) ]]; then
				cluster_name="${BASH_REMATCH[1]}"
				break
			fi
		done <"$cluster_config"
		TAPM_HEADER_CLUSTER="${cluster_name:-Clustered}"
	fi
}