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

export default defineEventHandler(async (event) => {
  const body = await readBody(event)
  const { event_id, team_id, score, rank } = body

  if (!event_id || !team_id || !score) {
    throw createError({
      statusCode: 400,
      message: '缺少必要参数'
    })
  }

  const stmt = db.prepare(
    'INSERT INTO results (event_id, team_id, score, rank) VALUES (?, ?, ?, ?)'
  )
  const result = stmt.run(event_id, team_id, score, rank || null)

  // 更新团队积分
  if (rank) {
    let points = 0
    let medalType = ''
    
    if (rank === 1) {
      points = 7
      medalType = 'gold'
    } else if (rank === 2) {
      points = 5
      medalType = 'silver'
    } else if (rank === 3) {
      points = 3
      medalType = 'bronze'
    }

    if (points > 0) {
      const updateStmt = db.prepare(`
        UPDATE team_scores 
        SET total_score = total_score + ?,
            ${medalType}_count = ${medalType}_count + 1
        WHERE team_id = ?
      `)
      updateStmt.run(points, team_id)
    }
  }

  return {
    success: true,
    data: {
      id: result.lastInsertRowid,
      event_id,
      team_id,
      score,
      rank
    }
  }
})