import request from '../../utils/request';

interface BookForm {
  isbn: string;
  title: string;
  author: string;
  publisher: string;
  description: string;
  bookUrl: string;
  coverUrl: string;
  category: string;
  tags: string;
  language: string;
  publishDate: string;
}

Component({
  data: {
    form: {
      isbn: '',
      title: '',
      author: '',
      publisher: '',
      description: '',
      bookUrl: '',
      coverUrl: '',
      category: '',
      tags: '',
      language: '汉语',
      publishDate: ''
    } as BookForm,
    categories: ['小说', '文学', '历史', '科技', '教育', '其他']
  },

  methods: {
    // 输入框变化处理
    onInput(e: any) {
      const { field } = e.currentTarget.dataset;
      this.setData({
        [`form.${field}`]: e.detail.value
      });
    },

    // 选择分类
    onCategoryChange(e: any) {
      this.setData({
        'form.category': e.detail.value
      });
    },

    // 选择日期
    onDateChange(e: any) {
      const date = e.detail.value; // 格式: "2024-12-16"
      // 添加时间部分，转换为标准格式
      const dateTime = `${date} 00:00:00`;
      this.setData({
        'form.publishDate': dateTime
      });
    },

    // 上传封面
    async uploadCover() {
      try {
        const res = await wx.chooseMedia({
          count: 1,
          mediaType: ['image'],
          sizeType: ['compressed']
        });
        
        wx.showLoading({ title: '上传中...' });
        
        // 上传文件到服务器
        const uploadRes = await new Promise((resolve, reject) => {
          wx.uploadFile({
            url: 'http://localhost:8084/api/common/uploadFile',
            filePath: res.tempFiles[0].tempFilePath,
            name: 'file',
            formData: {
              bucketName: 'photo'
            },
            success: (res) => {
              console.log('上传成功:', res);
              resolve(res);
            },
            fail: (error) => {
              console.error('上传失败:', error);
              reject(error);
            }
          });
        });

        console.log('上传响应:', uploadRes);
        
        if (uploadRes.statusCode !== 200) {
          throw new Error(`服务器响应错误: ${uploadRes.statusCode}`);
        }

        const data = JSON.parse(uploadRes.data);
        console.log('解析后的数据:', data);
        
        if(data.code === 200) {
          this.setData({
            'form.coverUrl': data.data
          });
          wx.showToast({
            title: '上传成功',
            icon: 'success'
          });
        } else {
          throw new Error(data.message || '上传失败');
        }
        
      } catch (error) {
        console.error('上传封面失败:', error);
        wx.showToast({
          title: error instanceof Error ? error.message : '上传失败',
          icon: 'none'
        });
      } finally {
        wx.hideLoading();
      }
    },

    // 上传电子书
    async uploadBook() {
      try {
        const res = await wx.chooseMessageFile({
          count: 1,
          type: 'file',
          extension: ['txt']
        });
        
        wx.showLoading({ title: '上传中...' });
        
        // 上传文件到服务器
        const uploadRes = await new Promise((resolve, reject) => {
          wx.uploadFile({
            url: 'http://localhost:8084/api/common/uploadFile',
            filePath: res.tempFiles[0].path,
            name: 'file',
            formData: {
              bucketName: 'txt'
            },
            success: (res) => {
              console.log('上传成功:', res);
              resolve(res);
            },
            fail: (error) => {
              console.error('上传失败:', error);
              reject(error);
            }
          });
        });

        console.log('上传响应:', uploadRes);
        
        if (uploadRes.statusCode !== 200) {
          throw new Error(`服务器响应错误: ${uploadRes.statusCode}`);
        }

        const data = JSON.parse(uploadRes.data);
        console.log('解析后的数据:', data);
        
        if(data.code === 200) {
          this.setData({
            'form.bookUrl': data.data
          });
          wx.showToast({
            title: '上传成功',
            icon: 'success'
          });
        } else {
          throw new Error(data.message || '上传失败');
        }
        
      } catch (error) {
        console.error('上传文件失败:', error);
        wx.showToast({
          title: error instanceof Error ? error.message : '上传失败',
          icon: 'none'
        });
      } finally {
        wx.hideLoading();
      }
    },

    // 提交表单
    async submitForm() {
      try {
        const { form } = this.data;
        
        // 表单验证
        if (!form.title || !form.author || !form.bookUrl) {
          wx.showToast({
            title: '请填写必要信息',
            icon: 'none'
          });
          return;
        }

        // 确保日期格式正确
        if (form.publishDate && !form.publishDate.includes(':')) {
          form.publishDate = `${form.publishDate} 00:00:00`;
        }

        wx.showLoading({ title: '提交中...' });
        
        const res = await request.post('/books/add', {
          ...form,
          // 添加当前时间作为创建和更新时间
          createdTime: new Date().toISOString().replace('T', ' ').split('.')[0],
          updatedTime: new Date().toISOString().replace('T', ' ').split('.')[0]
        });
        
        if (res.code === 200) {
          wx.showToast({
            title: '添加成功',
            icon: 'success'
          });
          // 返回书架页面
          setTimeout(() => {
            wx.navigateBack();
          }, 1500);
        }
      } catch (error) {
        console.error('提交失败:', error);
        wx.showToast({
          title: '提交失败',
          icon: 'none'
        });
      } finally {
        wx.hideLoading();
      }
    }
  }
});