#!/bin/bash
NET_CHECK_HOST="${NET_CHECK_HOST:-8.8.8.8}"
NET_CHECK_TIMEOUT="${NET_CHECK_TIMEOUT:-3}"

check_internet() {
    local host="${1:-$NET_CHECK_HOST}"
    if ping -c 1 -W "$NET_CHECK_TIMEOUT" "$host" &>/dev/null; then
        label_connected "Internet reachable  ${DIM}(${host})${RESET}"
        _log_write "NET  " "Connected: $host"
        return 0
    else
        label_disconnect "No internet connection  ${DIM}(${host})${RESET}"
        _log_write "NET  " "Disconnected: $host"
        return 1
    fi
}

check_host() {
    local host="$1"
    local label="${2:-$host}"
    if ping -c 1 -W "$NET_CHECK_TIMEOUT" "$host" &>/dev/null 2>&1; then
        label_connected "$label"
        return 0
    else
        label_disconnect "$label"
        return 1
    fi
}

check_url() {
    local url="$1"
    local label="${2:-$url}"
    local http_code
    http_code=$(curl -s -o /dev/null -w "%{http_code}" \
        --max-time "$NET_CHECK_TIMEOUT" "$url" 2>/dev/null || echo "000")

    if [[ "$http_code" =~ ^[23] ]]; then
        label_connected "$label  ${DIM}(HTTP ${http_code})${RESET}"
        _log_write "NET  " "URL OK [$http_code]: $url"
        return 0
    else
        label_disconnect "$label  ${DIM}(HTTP ${http_code})${RESET}"
        _log_write "NET  " "URL FAIL [$http_code]: $url"
        return 1
    fi
}

require_internet() {
    if ! check_internet; then
        log_error "Internet connection required. Aborting."
        exit 1
    fi
}