import React, { useState, useEffect } from 'react';
import axios from 'axios';
import { Button, Input, Progress, message, Upload, Modal, List, Image as AntImage } from 'antd';
import { UploadOutlined, PictureOutlined } from '@ant-design/icons';
import { useAuth } from '../context/AuthContext';

interface ImageQuota {
  daily_limit: number;
  used: number;
  remaining: number;
  daily_limit_display: string;
  used_display: string;
  remaining_display: string;
}

interface UploadedImage {
  id: number;
  title: string;
  url: string;
  uploaded_at: string;
  file_size_display: string;
}

interface ImageUploaderProps {
  onImageSelect: (imageUrl: string) => void;
}

const ImageUploader: React.FC<ImageUploaderProps> = ({ onImageSelect }) => {
  const [isModalVisible, setIsModalVisible] = useState(false);
  const [images, setImages] = useState<UploadedImage[]>([]);
  const [quota, setQuota] = useState<ImageQuota | null>(null);
  const [uploading, setUploading] = useState(false);
  const { authToken } = useAuth();

  const fetchImages = async () => {
    try {
      const response = await axios.get('/api/content/images/', {
        headers: { Authorization: `Bearer ${authToken}` }
      });
      setImages(response.data);
    } catch (error) {
      message.error('Failed to fetch images');
    }
  };

  const fetchQuota = async () => {
    try {
      const response = await axios.get('/api/content/images/quota/', {
        headers: { Authorization: `Bearer ${authToken}` }
      });
      setQuota(response.data);
    } catch (error) {
      message.error('Failed to fetch quota information');
    }
  };

  useEffect(() => {
    if (isModalVisible) {
      fetchImages();
      fetchQuota();
    }
  }, [isModalVisible]);

  const handleUpload = async (file: File) => {
    const formData = new FormData();
    formData.append('image', file);
    formData.append('title', file.name);

    try {
      setUploading(true);
      await axios.post('/api/content/images/', formData, {
        headers: {
          'Content-Type': 'multipart/form-data',
          Authorization: `Bearer ${authToken}`
        }
      });
      message.success('Upload successful');
      fetchImages();
      fetchQuota();
    } catch (error: any) {
      if (error.response?.data?.image) {
        message.error(error.response.data.image[0]);
      } else {
        message.error('Upload failed');
      }
    } finally {
      setUploading(false);
    }
  };

  const handleImageSelect = (url: string) => {
    onImageSelect(url);
    setIsModalVisible(false);
  };

  return (
    <>
      <Button 
        icon={<PictureOutlined />} 
        onClick={() => setIsModalVisible(true)}
        style={{ marginRight: 8 }}
        className="dark:text-white dark:hover:text-white dark:bg-gray-800 dark:hover:bg-gray-700 "
      >
        Insert Image
      </Button>

      <Modal
        title="Image Manager"
        open={isModalVisible}
        onCancel={() => setIsModalVisible(false)}
        footer={null}
        width={800}
      >
        <div style={{ marginBottom: 16 }}>
          <Upload
            beforeUpload={(file) => {
              handleUpload(file);
              return false;
            }}
            showUploadList={false}
          >
            <Button icon={<UploadOutlined />} loading={uploading} className="dark:text-white dark:hover:text-white dark:bg-gray-800 dark:hover:bg-gray-700">
              Upload Image
            </Button>
          </Upload>
        </div>

        {quota && (
          <div style={{ marginBottom: 16 }}>
            <p>Daily Upload Quota</p>
            <Progress
              percent={Math.round((quota.used / quota.daily_limit) * 100)}
              format={() => `${quota.used_display} / ${quota.daily_limit_display}`}
            />
          </div>
        )}

        <List
          grid={{ gutter: 16, xs: 1, sm: 2, md: 3, lg: 3, xl: 4, xxl: 4 }}
          dataSource={images}
          renderItem={(item) => (
            <List.Item>
              <div style={{ textAlign: 'center' }}>
                <div style={{ marginBottom: 8 }}>
                  <AntImage
                    src={item.url}
                    alt={item.title}
                    style={{ maxHeight: 100, width: 'auto' }}
                  />
                </div>
                <Button type="link" onClick={() => handleImageSelect(item.url)}>
                  Insert
                </Button>
                <div style={{ fontSize: '12px', color: '#999' }}>
                  {item.file_size_display}
                </div>
              </div>
            </List.Item>
          )}
        />
      </Modal>
    </>
  );
};

export default ImageUploader;