#!/bin/bash

DEFAULT_LOG_FILE="./log-default.txt"
ACTIVE_LOG_FILE="./log.txt"

log_init() {
    ACTIVE_LOG_FILE="${1:-$DEFAULT_LOG_FILE}"
    mkdir -p "$(dirname "${ACTIVE_LOG_FILE}")"
}

_log_dual() {
    local level="$1"
    local message="$2"
    local timestamp
    timestamp="$(date '+%Y-%m-%d %H:%M:%S')"
    local line="${timestamp} [${level}] ${message}"

    echo "$line"         # Konsole
    echo "$line" >> "${ACTIVE_LOG_FILE}"  # Logdatei
}

log_info()  { _log_dual "INFO"  "$1"; }
log_warn()  { _log_dual "WARN"  "$1"; }
log_error() { _log_dual "ERROR" "$1"; }
log_start() {
    echo "" | tee -a "${ACTIVE_LOG_FILE}"
    _log_dual "START" "--- $1 gestartet ---"
}
log_end() {
    _log_dual "END" "--- $1 abgeschlossen ---"
    echo "" | tee -a "${ACTIVE_LOG_FILE}"
}