import App from './App'

// 全局拦截选择图片，在文件进入上传列表前进行预过滤，从根本上解决“不合规图片在列表里转圈卡死”的问题
uni.addInterceptor('chooseImage', {
  success(res) {
    const allowedExtensions = ['bmp', 'gif', 'jpg', 'jpeg', 'png'];
    const validTempFilePaths = [];
    const validTempFiles = [];
    let hasInvalid = false;
    let invalidExt = '';

    res.tempFiles.forEach((file, index) => {
      const path = file.path || res.tempFilePaths[index];
      const cleanPath = path.split('?')[0];
      const ext = cleanPath.split('.').pop().toLowerCase();
      
      if (allowedExtensions.includes(ext)) {
        validTempFiles.push(file);
        validTempFilePaths.push(res.tempFilePaths[index]);
      } else {
        hasInvalid = true;
        invalidExt = ext;
      }
    });

    if (hasInvalid) {
      uni.showToast({
        title: `已过滤不支持的 .${invalidExt} 格式图片，请上传 png/jpg/jpeg/gif/bmp`,
        icon: 'none',
        duration: 3500
      });
    }

    res.tempFilePaths = validTempFilePaths;
    res.tempFiles = validTempFiles;
  }
});

// 全局拦截文件上传，校验文件后缀是否在后端白名单中，预防非法格式报错
uni.addInterceptor('uploadFile', {
  invoke(args) {
    const filePath = args.filePath;
    if (filePath) {
      const cleanPath = filePath.split('?')[0];
      const ext = cleanPath.split('.').pop().toLowerCase();
      const allowedExtensions = ['bmp', 'gif', 'jpg', 'jpeg', 'png', 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'html', 'htm', 'txt', 'rar', 'zip', 'gz', 'bz2', 'mp4', 'avi', 'rmvb', 'pdf'];
      if (!allowedExtensions.includes(ext)) {
        uni.showToast({
          title: `不支持 .${ext} 格式，请上传合规的文件或图片`,
          icon: 'none',
          duration: 3000
        });
        return false; // 拦截请求
      }
    }
    return args;
  }
});

// #ifndef VUE3
import Vue from 'vue'
import './uni.promisify.adaptor'
import uviewPlus from '@/uni_modules/uview-plus'
Vue.config.productionTip = false
Vue.use(uviewPlus)
App.mpType = 'app'
const app = new Vue({
  ...App
})
app.$mount()
// #endif

// #ifdef VUE3
import { createSSRApp } from 'vue'
import uviewPlus from '@/uni_modules/uview-plus'
export function createApp() {
  const app = createSSRApp(App)
  app.use(uviewPlus)
  return {
    app
  }
}
// #endif