import db from '../../db'

export default defineEventHandler((event) => {
  const query = getQuery(event)
  const { group } = query

  let sql = `
    SELECT t.id, t.name, t.team_group, 
           COALESCE(ts.total_score, 0) as total_score,
           COALESCE(ts.gold_count, 0) as gold_count,
           COALESCE(ts.silver_count, 0) as silver_count,
           COALESCE(ts.bronze_count, 0) as bronze_count
    FROM teams t
    LEFT JOIN team_scores ts ON t.id = ts.team_id
    WHERE 1=1
  `
  const params: any[] = []

  if (group) {
    sql += ' AND t.team_group = ?'
    params.push(group)
  }

  sql += ' ORDER BY ts.total_score DESC, ts.gold_count DESC, ts.silver_count DESC, ts.bronze_count DESC'

  const stmt = db.prepare(sql)
  const scoreboard = stmt.all(...params)

  return {
    success: true,
    data: scoreboard
  }
})