TimelineData

class TimelineEvent {
  TimelineEvent(this.year, this.description);
  final int year;
  final String description;
}

// Create a timeline event
final event = TimelineEvent(-2560, 'Great Pyramid of Giza constructed');

print(event.year);        // -2560 (2560 BCE)
print(event.description); // "Great Pyramid of Giza constructed"

// Display year with proper formatting
final displayYear = event.year < 0 
    ? '${event.year.abs()} BCE' 
    : '${event.year} CE';
print(displayYear); // "2560 BCE"

class GlobalEventsData {
  final globalEvents = [
    TimelineEvent(-2900, \$strings.timelineEvent2900bce),
    TimelineEvent(-2700, \$strings.timelineEvent2700bce),
    // ... 52 total events
    TimelineEvent(1969, \$strings.timelineEvent1969ce),
  ];
}

TimelineEvent(-2900, timelineEvent2900bce), // Early Bronze Age
TimelineEvent(-2560, timelineEvent2560bce), // Great Pyramid construction
TimelineEvent(-776, timelineEvent776bce),   // First Olympic Games
TimelineEvent(-753, timelineEvent753bce),   // Founding of Rome
TimelineEvent(-447, timelineEvent447bce),   // Parthenon construction
TimelineEvent(-44, timelineEvent44bce),     // Julius Caesar assassinated
TimelineEvent(79, timelineEvent79ce),       // Vesuvius eruption

TimelineEvent(500, timelineEvent500ce),   // Fall of Western Roman Empire
TimelineEvent(632, timelineEvent632ce),   // Death of Muhammad
TimelineEvent(800, timelineEvent800ce),   // Charlemagne crowned
TimelineEvent(1077, timelineEvent1077ce), // Walk to Canossa
TimelineEvent(1227, timelineEvent1227ce), // Death of Genghis Khan
TimelineEvent(1347, timelineEvent1347ce), // Black Death begins
TimelineEvent(1492, timelineEvent1492ce), // Columbus reaches Americas

TimelineEvent(1760, timelineEvent1760ce), // Industrial Revolution begins
TimelineEvent(1789, timelineEvent1789ce), // French Revolution
TimelineEvent(1914, timelineEvent1914ce), // World War I begins
TimelineEvent(1939, timelineEvent1939ce), // World War II begins
TimelineEvent(1969, timelineEvent1969ce), // Moon landing

// In WonderData class
final Map<int, String> events;

events: {
  600: \$strings.chichenItza600ce,   // City founded
  832: \$strings.chichenItza832ce,   // Major construction period
  998: \$strings.chichenItza998ce,   // Political changes
  1100: \$strings.chichenItza1100ce, // Decline begins
  1527: \$strings.chichenItza1527ce, // Spanish conquest
  1535: \$strings.chichenItza1535ce, // Final abandonment
}

import 'package:wonders/logic/data/timeline_data.dart';

final globalData = GlobalEventsData();

// Get all global events
final allEvents = globalData.globalEvents;
print('Total events: ${allEvents.length}'); // 54

// Filter events by time period
final ancientEvents = allEvents.where((e) => e.year < 0).toList();
final modernEvents = allEvents.where((e) => e.year > 1500).toList();

// Find events in a specific range
final medievalEvents = allEvents
    .where((e) => e.year >= 500 && e.year <= 1500)
    .toList();

// Sort events chronologically (already sorted in source)
allEvents.sort((a, b) => a.year.compareTo(b.year));

// Display formatted timeline
for (final event in allEvents) {
  final yearLabel = event.year < 0 
      ? '${event.year.abs()} BCE' 
      : '${event.year} CE';
  print('$yearLabel: ${event.description}');
}

import 'package:wonders/logic/data/wonders_data/chichen_itza_data.dart';

final wonder = ChichenItzaData();

// Get wonder-specific events
final events = wonder.events;

// Iterate through events
events.forEach((year, description) {
  print('$year CE: $description');
});

// Get events as a sorted list
final eventList = events.entries
    .map((e) => TimelineEvent(e.key, e.value))
    .toList()
  ..sort((a, b) => a.year.compareTo(b.year));

// Find earliest and latest events
final years = events.keys.toList()..sort();
final startYear = years.first;  // 600
final endYear = years.last;     // 1535

print('Wonder timeline: $startYear - $endYear CE');

// Create a combined timeline
List<TimelineEvent> createMergedTimeline(WonderData wonder) {
  final globalData = GlobalEventsData();
  final combined = <TimelineEvent>[];
  
  // Add global events
  combined.addAll(globalData.globalEvents);
  
  // Add wonder-specific events
  wonder.events.forEach((year, description) {
    combined.add(TimelineEvent(year, description));
  });
  
  // Sort chronologically
  combined.sort((a, b) => a.year.compareTo(b.year));
  
  // Filter to wonder's time period
  return combined.where((e) => 
    e.year >= wonder.startYr && e.year <= wonder.endYr
  ).toList();
}

final chichenItza = ChichenItzaData();
final timeline = createMergedTimeline(chichenItza);
// Returns events from 550-1550 CE combining global and Chichen Itza events

String formatYear(int year) {
  if (year < 0) {
    return '${year.abs()} BCE';
  } else if (year == 0) {
    return '1 BCE/1 CE'; // Year 0 doesn't exist in historical calendar
  } else {
    return '$year CE';
  }
}

// Usage
final event = TimelineEvent(-2560, 'Pyramids built');
print(formatYear(event.year)); // "2560 BCE"

final modernEvent = TimelineEvent(1969, 'Moon landing');
print(formatYear(modernEvent.year)); // "1969 CE"

// Event descriptions are localized
TimelineEvent(-2560, \$strings.timelineEvent2560bce)

// English: "Great Pyramid of Giza constructed"
// Spanish: "Se construye la Gran Pirámide de Giza"
// French: "Construction de la Grande Pyramide de Gizeh"