Initial import: clean snapshot from /home/olafn/infoscreen-dev (2025-10-25)

scripts/test-utc-timestamps.sh

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+#!/bin/bash
+# Test UTC timestamp handling in Display Manager
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
+EVENT_FILE="$PROJECT_ROOT/src/current_event.json"
+
+echo "🕐 UTC Timestamp Test for Display Manager"
+echo "=========================================="
+echo ""
+
+# Get current UTC and local times
+UTC_NOW=$(date -u '+%Y-%m-%d %H:%M:%S')
+LOCAL_NOW=$(date '+%Y-%m-%d %H:%M:%S')
+TIMEZONE=$(date +%Z)
+UTC_OFFSET=$(date +%z)
+
+echo "📅 Current Time Information:"
+echo "   UTC Time:   $UTC_NOW"
+echo "   Local Time: $LOCAL_NOW"
+echo "   Timezone:   $TIMEZONE (UTC$UTC_OFFSET)"
+echo ""
+
+# Calculate timestamps for testing
+# Start: 1 minute ago (UTC)
+START_TIME=$(date -u -d '1 minute ago' '+%Y-%m-%d %H:%M:%S')
+# End: 10 minutes from now (UTC)
+END_TIME=$(date -u -d '10 minutes' '+%Y-%m-%d %H:%M:%S')
+
+echo "🧪 Test Scenarios:"
+echo ""
+echo "1️⃣  Test Active Event (should display NOW)"
+echo "   Create event with:"
+echo "   - Start: $START_TIME UTC (1 minute ago)"
+echo "   - End:   $END_TIME UTC (in 10 minutes)"
+echo ""
+
+read -p "Press Enter to create test event..." 
+
+cat > "$EVENT_FILE" <<EOF
+{
+  "id": 998,
+  "title": "UTC Test - Active Event",
+  "start": "$START_TIME",
+  "end": "$END_TIME",
+  "web": {
+    "url": "https://www.timeanddate.com/worldclock/timezone/utc"
+  }
+}
+EOF
+
+echo "✅ Created test event:"
+cat "$EVENT_FILE" | jq .
+echo ""
+echo "⏱️  Display Manager should detect this as ACTIVE and start displaying"
+echo "   Check the logs with: tail -f logs/display_manager.log"
+echo ""
+
+read -p "Press Enter to continue to next test..." 
+echo ""
+
+# Test 2: Event in the future
+FUTURE_START=$(date -u -d '5 minutes' '+%Y-%m-%d %H:%M:%S')
+FUTURE_END=$(date -u -d '15 minutes' '+%Y-%m-%d %H:%M:%S')
+
+echo "2️⃣  Test Future Event (should NOT display yet)"
+echo "   Create event with:"
+echo "   - Start: $FUTURE_START UTC (in 5 minutes)"
+echo "   - End:   $FUTURE_END UTC (in 15 minutes)"
+echo ""
+
+read -p "Press Enter to create future event..." 
+
+cat > "$EVENT_FILE" <<EOF
+{
+  "id": 997,
+  "title": "UTC Test - Future Event",
+  "start": "$FUTURE_START",
+  "end": "$FUTURE_END",
+  "web": {
+    "url": "https://www.timeanddate.com/worldclock/timezone/utc"
+  }
+}
+EOF
+
+echo "✅ Created future event:"
+cat "$EVENT_FILE" | jq .
+echo ""
+echo "⏱️  Display Manager should detect this as NOT ACTIVE YET"
+echo "   It should stop any current display"
+echo "   Check logs: tail -f logs/display_manager.log"
+echo ""
+
+read -p "Press Enter to continue to next test..." 
+echo ""
+
+# Test 3: Event in the past
+PAST_START=$(date -u -d '30 minutes ago' '+%Y-%m-%d %H:%M:%S')
+PAST_END=$(date -u -d '20 minutes ago' '+%Y-%m-%d %H:%M:%S')
+
+echo "3️⃣  Test Past Event (should NOT display - already ended)"
+echo "   Create event with:"
+echo "   - Start: $PAST_START UTC (30 minutes ago)"
+echo "   - End:   $PAST_END UTC (20 minutes ago)"
+echo ""
+
+read -p "Press Enter to create past event..." 
+
+cat > "$EVENT_FILE" <<EOF
+{
+  "id": 996,
+  "title": "UTC Test - Past Event",
+  "start": "$PAST_START",
+  "end": "$PAST_END",
+  "web": {
+    "url": "https://www.timeanddate.com/worldclock/timezone/utc"
+  }
+}
+EOF
+
+echo "✅ Created past event:"
+cat "$EVENT_FILE" | jq .
+echo ""
+echo "⏱️  Display Manager should detect this as ALREADY ENDED"
+echo "   It should stop any current display"
+echo "   Check logs: tail -f logs/display_manager.log"
+echo ""
+
+read -p "Press Enter to clean up..." 
+
+# Clean up
+rm -f "$EVENT_FILE"
+echo ""
+echo "🧹 Cleaned up test event file"
+echo ""
+echo "📊 Summary:"
+echo "==========="
+echo ""
+echo "✅ Test 1: Active event (past start, future end) → Should DISPLAY"
+echo "✅ Test 2: Future event (future start, future end) → Should NOT display yet"
+echo "✅ Test 3: Past event (past start, past end) → Should NOT display"
+echo ""
+echo "📝 The Display Manager should now correctly handle UTC timestamps!"
+echo ""
+echo "💡 Tips for debugging:"
+echo "   • Watch logs: tail -f logs/display_manager.log"
+echo "   • Check timezone: date; date -u"
+echo "   • The Display Manager logs show both UTC and comparison times"
+echo ""