/**
 * Example: Query project timeline and display statistics
 * 
 * Usage:
 *   npx tsx examples/query-timeline.ts <project-id>
 */

import { createGanttClientFromEnv } from '../index.js';

async function main(): Promise<void> {
  const projectId = process.argv[2];
  
  if (!projectId) {
    console.error('Usage: npx tsx examples/query-timeline.ts <project-id>');
    process.exit(1);
  }

  const client = createGanttClientFromEnv();
  
  console.log(`Fetching timeline for project ${projectId}...\n`);
  
  const timeline = await client.getProjectTimeline(projectId);
  
  console.log(`Project: ${timeline.project.name}`);
  console.log(`Status: ${timeline.project.status}`);
  
  if (timeline.project.startDate && timeline.project.endDate) {
    console.log(`Timeline: ${timeline.project.startDate} → ${timeline.project.endDate}`);
  }
  
  console.log(`\nTasks (${timeline.stats.total} total):`);
  console.log(`  ✓ Completed: ${timeline.stats.completed}`);
  console.log(`  ⊙ In Progress: ${timeline.stats.inProgress}`);
  console.log(`  □ Not Started: ${timeline.stats.notStarted}`);
  console.log(`  ⏸ Paused: ${timeline.stats.paused}`);
  console.log(`  ⚠ Target passed: ${timeline.stats.targetPassed}`);
  
  console.log('\nTask List:');
  
  const statusIcon = (status: string): string => {
    switch (status) {
      case 'COMPLETED': return '✓';
      case 'IN_PROGRESS': return '⊙';
      case 'PAUSED': return '⏸';
      case 'ARCHIVED': return '📦';
      default: return '□';
    }
  };
  
  const now = new Date();
  
  for (const task of timeline.tasks) {
    const icon = statusIcon(task.status);
    const dueInfo = task.dueDate
      ? ` Due: ${task.dueDate}`
      : '';
    
    const targetPassed = task.dueDate && new Date(task.dueDate) < now && task.status !== 'COMPLETED'
      ? ' (target passed)'
      : '';
    
    console.log(`${icon} ${task.title} [${task.status}]${dueInfo}${targetPassed}`);
  }
}

main().catch(error => {
  console.error('Error:', error.message);
  process.exit(1);
});