import axios from 'axios'
import crypto from 'crypto'

export default defineEventHandler(async (event) => {
  const query = getQuery(event)
  const keyword = query.keyword || query.keywords
  
  if (!keyword) {
    throw createError({
      statusCode: 400,
      message: 'Keyword is required'
    })
  }

  // 我们在这里使用不需要签名的通用接口或移动端旧接口
  
  try {
    const url = `http://mobilecdn.kugou.com/api/v3/search/song?format=json&keyword=${encodeURIComponent(keyword as string)}&page=1&pagesize=20&showtype=1`
    const response = await axios.get(url, {
      headers: {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
      },
      // 允许处理不严谨的 SSL 证书或忽略部分请求错误
      validateStatus: () => true
    })
    
    const data = response.data
    
    // Process results to map cover images and VIP status correctly
    if (data && data.data && data.data.info) {
      data.data.info = data.data.info.map((item: any) => {
        return {
          ...item,
          isVip: item.pay_type !== 0,
          // Extract proper image URL from 'union_cover', '320' size or hash, and use https
          pic: item.trans_param?.union_cover 
            ? item.trans_param.union_cover.replace('{size}', '400').replace('http://', 'https://')
            : item['320hash']
              ? `https://imge.kugou.com/stdmusic/400/${item['320hash'].slice(0,2)}/${item['320hash'].slice(2,4)}/${item['320hash']}.jpg`
              : item['hash']
                ? `https://imge.kugou.com/stdmusic/400/${item['hash'].slice(0,2)}/${item['hash'].slice(2,4)}/${item['hash']}.jpg`
                : undefined
        }
      })
    }
    
    return data
  } catch (error) {
    throw createError({
      statusCode: 500,
      message: 'Music service unavailable'
    })
  }
})