const fetch = require('node-fetch');

async function testSchedule() {
  try {
    console.log('Testing current round robin schedule...\n');
    
    // Get all matches
    const matchesRes = await fetch('http://localhost:4000/api/matches');
    const matches = await matchesRes.json();
    
    if (!Array.isArray(matches)) {
      console.log('Failed to fetch matches:', matches);
      return;
    }
    
    // Filter round robin matches
    const roundRobinMatches = matches.filter(match => match.stage.type === 'ROUND_ROBIN');
    
    if (roundRobinMatches.length === 0) {
      console.log('No round robin matches found.');
      return;
    }

    // Group matches by pool
    const pools = {};
    roundRobinMatches.forEach(match => {
      if (!pools[match.pool]) {
        pools[match.pool] = [];
      }
      pools[match.pool].push(match);
    });

    // Check each pool for consecutive games
    Object.keys(pools).forEach(poolNum => {
      console.log(`\n=== Pool ${poolNum} ===`);
      const poolMatches = pools[poolNum];
      
      let consecutiveGames = 0;
      
      poolMatches.forEach((match, index) => {
        const team1Id = match.team1.id;
        const team2Id = match.team2.id;
        
        console.log(`Match ${index + 1}: ${match.team1.name} vs ${match.team2.name}`);
        
        // Check if either team played in the previous match
        if (index > 0) {
          const prevMatch = poolMatches[index - 1];
          const prevTeams = [prevMatch.team1.id, prevMatch.team2.id];
          
          if (prevTeams.includes(team1Id)) {
            console.log(`  ⚠️  ${match.team1.name} played in previous match!`);
            consecutiveGames++;
          }
          if (prevTeams.includes(team2Id)) {
            console.log(`  ⚠️  ${match.team2.name} played in previous match!`);
            consecutiveGames++;
          }
        }
      });
      
      console.log(`\nPool ${poolNum} consecutive games: ${consecutiveGames}`);
    });

    console.log('\n=== Summary ===');
    console.log(`Total round robin matches: ${roundRobinMatches.length}`);
    console.log(`Total pools: ${Object.keys(pools).length}`);
    
  } catch (error) {
    console.error('Error testing schedule:', error);
  }
}

testSchedule();