import db from '../db'

// 初始化种子数据
export default defineEventHandler(() => {
  try {
    // 检查是否已有数据
    const checkTeams = db.prepare('SELECT COUNT(*) as count FROM teams').get()
    
    if (checkTeams.count > 0) {
      return { success: true, message: '数据已存在，跳过初始化' }
    }

    // 插入示例队伍
    const teams = [
      { name: '高一1班', group: '文化班甲组' },
      { name: '高一2班', group: '文化班甲组' },
      { name: '高二1班', group: '文化班乙组' },
      { name: '高二2班', group: '文化班乙组' },
      { name: '体育1班', group: '体育班组' },
      { name: '体育2班', group: '体育班组' },
      { name: '航空1班', group: '航空班组' },
      { name: '航空2班', group: '航空班组' },
      { name: '教师队', group: '教师组' }
    ]

    const insertTeam = db.prepare('INSERT INTO teams (name, team_group) VALUES (?, ?)')
    const insertScore = db.prepare('INSERT INTO team_scores (team_id, total_score, gold_count, silver_count, bronze_count) VALUES (?, 0, 0, 0, 0)')

    teams.forEach(team => {
      const result = insertTeam.run(team.name, team.group)
      insertScore.run(result.lastInsertRowid)
    })

    // 插入示例比赛项目
    const events = [
      // 田赛（个人赛）
      { name: '跳高', category: '田赛', event_group: '文化班甲组', unit: '米' },
      { name: '跳远', category: '田赛', event_group: '文化班甲组', unit: '米' },
      { name: '掷铅球', category: '田赛', event_group: '文化班乙组', unit: '米' },
      
      // 径赛（个人赛）
      { name: '100m', category: '径赛', event_group: '体育班组', unit: '秒' },
      { name: '200m', category: '径赛', event_group: '体育班组', unit: '秒' },
      { name: '400m', category: '径赛', event_group: '体育班组', unit: '秒' },
      
      // 径赛（接力赛/团体赛）
      { name: '4×100m', category: '团体赛', event_group: '航空班组', unit: '秒' },
      { name: '4×400m', category: '团体赛', event_group: '航空班组', unit: '秒' },
      { name: '20×50m', category: '团体赛', event_group: '航空班组', unit: '秒' },
      
      // 团体赛
      { name: '旱地龙舟', category: '团体赛', event_group: '教师组', unit: '秒' },
      { name: '跳长绳', category: '团体赛', event_group: '文化班甲组', unit: '次' },
      { name: '折返跑', category: '团体赛', event_group: '文化班乙组', unit: '秒' }
    ]

    const insertEvent = db.prepare('INSERT INTO events (name, category, event_group, unit) VALUES (?, ?, ?, ?)')
    
    events.forEach(event => {
      insertEvent.run(event.name, event.category, event.group, event.unit)
    })

    return {
      success: true,
      message: '初始化数据成功',
      data: {
        teams: teams.length,
        events: events.length
      }
    }
  } catch (error) {
    console.error('Seed error:', error)
    throw createError({
      statusCode: 500,
      message: '初始化数据失败: ' + error.message
    })
  }
})