// Sample data script to populate the database with test data
// Run with: node sample-data.js

const { initializeDatabase, runQuery } = require('./src/database');

async function populateSampleData() {
  console.log('Initializing database...');
  initializeDatabase();

  // Wait a bit for database to initialize
  await new Promise(resolve => setTimeout(resolve, 1000));

  try {
    // Create teams
    console.log('Creating teams...');
    const team1 = await runQuery('INSERT INTO teams (name) VALUES (?)', ['Team Velocity']);
    const team2 = await runQuery('INSERT INTO teams (name) VALUES (?)', ['Team Momentum']);
    const team3 = await runQuery('INSERT INTO teams (name) VALUES (?)', ['Team Endurance']);

    console.log('Teams created!');

    // Create participants
    console.log('Creating participants...');
    const participants = [
      // Team Velocity
      { name: 'Alice Johnson', email: 'alice@example.com', team_id: team1.id },
      { name: 'Bob Smith', email: 'bob@example.com', team_id: team1.id },
      { name: 'Carol Williams', email: 'carol@example.com', team_id: team1.id },
      // Team Momentum
      { name: 'David Brown', email: 'david@example.com', team_id: team2.id },
      { name: 'Eve Davis', email: 'eve@example.com', team_id: team2.id },
      { name: 'Frank Miller', email: 'frank@example.com', team_id: team2.id },
      // Team Endurance
      { name: 'Grace Wilson', email: 'grace@example.com', team_id: team3.id },
      { name: 'Henry Moore', email: 'henry@example.com', team_id: team3.id },
      { name: 'Iris Taylor', email: 'iris@example.com', team_id: team3.id },
    ];

    const participantIds = [];
    for (const p of participants) {
      const result = await runQuery(
        'INSERT INTO participants (name, email, team_id) VALUES (?, ?, ?)',
        [p.name, p.email, p.team_id]
      );
      participantIds.push(result.id);
    }

    console.log('Participants created!');

    // Create sample step entries for the past week
    console.log('Creating sample step entries...');
    const today = new Date();

    for (let dayOffset = 0; dayOffset < 7; dayOffset++) {
      const date = new Date(today);
      date.setDate(date.getDate() - dayOffset);
      const dateStr = date.toISOString().split('T')[0];

      for (const participantId of participantIds) {
        // Random steps between 5000 and 15000
        const steps = Math.floor(Math.random() * 10000) + 5000;

        await runQuery(
          'INSERT INTO daily_steps (participant_id, date, steps) VALUES (?, ?, ?)',
          [participantId, dateStr, steps]
        );
      }
    }

    console.log('Sample data created successfully!');
    console.log('\nYou can now start the app with: npm start');
    console.log('Then visit: http://localhost:3060');

    process.exit(0);
  } catch (error) {
    console.error('Error creating sample data:', error);
    process.exit(1);
  }
}

populateSampleData();