/**
 * BGM音效初始化脚本
 * 为每个维度添加示例背景音乐
 */

const mongoose = require('mongoose')
require('dotenv').config()

// 导入模型
const { BGM } = require('../src/models')

// 示例BGM数据（实际使用时需要替换为真实的音频URL）
const sampleBGMs = [
  // 一维 - 线性旋律
  {
    name: '星光轨迹',
    dimension: 1,
    url: 'https://example.com/bgm/dim1_starlight.mp3',
    duration: 120,
    loop: true,
    volume: 0.4,
    sortOrder: 1,
    description: '轻柔的线性旋律，适合一维空间的探索',
    isActive: true
  },
  {
    name: '弦之舞',
    dimension: 1,
    url: 'https://example.com/bgm/dim1_string_dance.mp3',
    duration: 95,
    loop: true,
    volume: 0.45,
    sortOrder: 2,
    description: '活泼的弦乐节奏',
    isActive: true
  },
  
  // 二维 - 平面和声
  {
    name: '星座幻想',
    dimension: 2,
    url: 'https://example.com/bgm/dim2_constellation.mp3',
    duration: 150,
    loop: true,
    volume: 0.5,
    sortOrder: 1,
    description: '梦幻的星空音乐，配合二维星座绘制',
    isActive: true
  },
  {
    name: '几何韵律',
    dimension: 2,
    url: 'https://example.com/bgm/dim2_geometry.mp3',
    duration: 110,
    loop: true,
    volume: 0.48,
    sortOrder: 2,
    description: '轻快的几何节奏',
    isActive: true
  },
  
  // 三维 - 立体环绕
  {
    name: '立方体回响',
    dimension: 3,
    url: 'https://example.com/bgm/dim3_cube_echo.mp3',
    duration: 180,
    loop: true,
    volume: 0.5,
    sortOrder: 1,
    description: '空间感强烈的立体音效',
    isActive: true
  },
  {
    name: '多维共振',
    dimension: 3,
    url: 'https://example.com/bgm/dim3_resonance.mp3',
    duration: 140,
    loop: true,
    volume: 0.52,
    sortOrder: 2,
    description: '富有层次感的三维音效',
    isActive: true
  },
  
  // 四维 - 时间流动
  {
    name: '时空涟漪',
    dimension: 4,
    url: 'https://example.com/bgm/dim4_spacetime.mp3',
    duration: 200,
    loop: true,
    volume: 0.45,
    sortOrder: 1,
    description: '神秘的四维时空音乐',
    isActive: true
  },
  {
    name: '超立方漫游',
    dimension: 4,
    url: 'https://example.com/bgm/dim4_tesseract.mp3',
    duration: 165,
    loop: true,
    volume: 0.47,
    sortOrder: 2,
    description: '穿越维度的奇妙旅程',
    isActive: true
  },
  
  // 五维 - 高维混沌
  {
    name: '思维风暴',
    dimension: 5,
    url: 'https://example.com/bgm/dim5_thought_storm.mp3',
    duration: 220,
    loop: true,
    volume: 0.5,
    sortOrder: 1,
    description: '复杂而迷人的高维音效',
    isActive: true
  },
  {
    name: '量子纠缠',
    dimension: 5,
    url: 'https://example.com/bgm/dim5_quantum.mp3',
    duration: 190,
    loop: true,
    volume: 0.48,
    sortOrder: 2,
    description: '微观世界的奇妙声音',
    isActive: true
  }
]

async function initBGM() {
  try {
    // 连接数据库
    await mongoose.connect(process.env.MONGODB_URI || 'mongodb://localhost:27017/yuzhiran')
    console.log('✅ 数据库连接成功')
    
    // 检查是否已有BGM数据
    const existingCount = await BGM.countDocuments()
    if (existingCount > 0) {
      console.log(`⚠️  数据库中已有 ${existingCount} 条BGM记录，跳过初始化`)
      await mongoose.disconnect()
      return
    }
    
    // 插入示例数据
    const result = await BGM.insertMany(sampleBGMs)
    console.log(`✅ 成功初始化 ${result.length} 条BGM记录`)
    
    // 按维度统计
    for (let dim = 1; dim <= 5; dim++) {
      const count = await BGM.countDocuments({ dimension: dim })
      console.log(`   维度${dim}: ${count} 首`)
    }
    
    console.log('\n🎵 BGM初始化完成！')
    console.log('💡 提示：请在后台管理系统中上传真实的音频文件并更新URL')
    
  } catch (error) {
    console.error('❌ BGM初始化失败:', error)
  } finally {
    await mongoose.disconnect()
    console.log('数据库连接已关闭')
  }
}

// 执行初始化
initBGM()