deckclock

#!/data/data/com.termux/files/usr/bin/bash
# deckclock — Multi-timezone world clock for DeckDroid
# Usage: deckclock [--json] [--log] [--ntp]

LOG_DIR="$HOME/.deckdroid/logs"
JSON_OUT=false
DO_LOG=false
CHECK_NTP=false

i=1
while [ $i -le $# ]; do
  eval "arg=\${$i}"
  case $arg in
    --json) JSON_OUT=true ;;
    --log)  DO_LOG=true ;;
    --ntp)  CHECK_NTP=true ;;
  esac
  i=$((i+1))
done

TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ")

# Timezones to display
ZONES=("UTC" "America/New_York" "Europe/London" "Asia/Tokyo" "Australia/Sydney")
ZONE_LABELS=("UTC" "New York" "London" "Tokyo" "Sydney")

# Get local time
LOCAL_TIME=$(date +"%H:%M:%S %Z" 2>/dev/null || date +"%H:%M:%S")

# NTP check
NTP_STATUS="N/A"
if $CHECK_NTP; then
  if command -v ntpdate &>/dev/null; then
    NTP_OUT=$(ntpdate -q pool.ntp.org 2>/dev/null | tail -1)
    if echo "$NTP_OUT" | grep -q "offset"; then
      NTP_STATUS="synced"
    else
      NTP_STATUS="unsynced"
    fi
  elif command -v sntp &>/dev/null; then
    sntp -s pool.ntp.org &>/dev/null && NTP_STATUS="synced" || NTP_STATUS="unsynced"
  else
    NTP_STATUS="no tool"
  fi
fi

if $JSON_OUT; then
  python3 -c "
import json
from datetime import datetime
import pytz

zones = {'UTC': 'UTC', 'America/New_York': 'New York', 'Europe/London': 'London', 'Asia/Tokyo': 'Tokyo', 'Australia/Sydney': 'Sydney'}
times = {}
for tz_name, label in zones.items():
    try:
        tz = pytz.timezone(tz_name)
        t = datetime.now(tz)
        times[label] = t.strftime('%H:%M:%S')
    except:
        times[label] = 'N/A'
d = {'timestamp': '$TIMESTAMP', 'local': '$LOCAL_TIME', 'ntp': '$NTP_STATUS', 'times': times}
print(json.dumps(d, indent=2))
"
else
  R='\033[0;31m'; G='\033[0;32m'; Y='\033[0;33m'; C='\033[0;36m'; N='\033[0m'; B='\033[1m'
  
  echo -e "${B}${C}╔══════════════════════════════════╗${N}"
  echo -e "${B}${C}║      deckclock  v1.1           ║${N}"
  echo -e "${B}${C}╚══════════════════════════════════╝${N}"
  echo -e "  ${B}Local     :${N} $LOCAL_TIME"
  
  for i in "${!ZONES[@]}"; do
    tz="${ZONES[$i]}"
    label="${ZONE_LABELS[$i]}"
    time=$(TZ="$tz" date +"%H:%M:%S" 2>/dev/null || echo "N/A")
    echo -e "  ${B}${label:<10}:${N} ${C}${time}${N}"
  done
  
  if $CHECK_NTP; then
    if [ "$NTP_STATUS" = "synced" ]; then
      echo -e "  ${B}NTP       :${N} ${G}synced${N}"
    else
      echo -e "  ${B}NTP       :${N} ${R}${NTP_STATUS}${N}"
    fi
  fi
  echo -e "  ${B}Time      :${N} $TIMESTAMP"
fi

if $DO_LOG; then
  mkdir -p "$LOG_DIR"
  echo "{\"ts\":\"$TIMESTAMP\",\"tool\":\"deckclock\",\"ntp\":\"$NTP_STATUS\",\"local\":\"$LOCAL_TIME\"}" >> "$LOG_DIR/tools.log"
fi