import { createContext, useEffect, useState } from 'react';
import { ConfigProvider, Button, Form, Input, Flex, Checkbox, Switch, Mentions, Popover, Popconfirm, Select, Space, Upload, Divider } from 'antd';
import { DashOutlined, EllipsisOutlined, MenuOutlined, MoreOutlined, UploadOutlined } from '@ant-design/icons';
import Modal from '@dckj/react-better-modal';
import '@dckj/react-better-modal/dist/index.css';
import DnDModal from '@/components/DndModal';
import useStyleStore from '@/stores/StyleStore';

import LexicalEditor from '@/components/LexicalEditor';

import { isEmpty } from '@/utils/commons';
import './EmailEditor.css';

const getAbstract = (longtext) => {
  const lines = longtext.split('\n');
  const firstLine = lines[0];
  const abstract = firstLine.substring(0, 20);
  return abstract;
};

const EmailEditorPopup = ({ open, setOpen, fromEmail, reference, quote = {}, initial = {}, action = 'reply', ...props }) => {
  const [mobile] = useStyleStore((state) => [state.mobile]);

  const [form] = Form.useForm();

  const [isRichText, setIsRichText] = useState(mobile === false);
  // const [isRichText, setIsRichText] = useState(false); // 默认纯文本
  const [htmlContent, setHtmlContent] = useState('');
  const [textContent, setTextContent] = useState('');

  const [showCc, setShowCc] = useState(false);
  const [showBcc, setShowBcc] = useState(false);
  const handleShowCc = () => {
    setShowCc(true);
  };
  const handleShowBcc = () => {
    setShowBcc(true);
  };

  const handleEditorChange = ({ editorState, html, textContent }) => {
    // console.log('textContent', textContent);
    // console.log('html', html);
    setHtmlContent(html);
    setTextContent(textContent);
    form.setFieldValue('content', html);
    form.setFieldValue('abstract', getAbstract(textContent));
  };

  const onHandleSend = () => {
    console.log('onSend callback', '\nisRichText', isRichText);
    // console.log(form.getFieldsValue());
    const body = structuredClone(form.getFieldsValue());
    body.content = isRichText ? htmlContent : textContent;
    body.fromEmail = newFromEmail || fromEmail;
    console.log('body', body);
    form.validateFields().then((values) => {
      form.resetFields();
    });
    // .catch((err) => {})

    // setOpen(false);
  };

  const [newFromEmail, setNewFromEmail] = useState('');
  const [initialForm, setInitialForm] = useState({});
  const [initialContent, setInitialContent] = useState('');
  useEffect(() => {
    if (isEmpty(quote)) {
      return () => {};
    }
    setShowCc(!isEmpty(quote.cc));
    const { fromEmail, replyToEmail, subject, content } = quote;
    // const preQuoteBody = `<p class="editor-paragraph" dir="ltr"><br></p><p class="editor-paragraph" dir="ltr"><br>
    //   <hr>
    //   <p class="editor-paragraph" dir="ltr">
    //     <b>
    //       <strong class="editor-text-bold" style="white-space: pre-wrap;">From: </strong>
    //     </b>
    //     <span style="white-space: pre-wrap;">${quote.fromName} &lt;${quote.fromEmail}&gt;</span>
    //   </p>
    //   <p class="editor-paragraph" dir="ltr">
    //     <b>
    //       <strong class="editor-text-bold" style="white-space: pre-wrap;">Sent: </strong>
    //     </b>
    //     <span style="white-space: pre-wrap;">${quote.sent}</span>
    //   </p>
    //   <p class="editor-paragraph" dir="ltr">
    //     <b>
    //       <strong class="editor-text-bold" style="white-space: pre-wrap;">To: </strong>
    //     </b>
    //     <span style="white-space: pre-wrap;">${quote.toName} &lt;${quote.toEmail}&gt;</span>
    //   </p>
    //   <p class="editor-paragraph" dir="ltr">
    //     <b>
    //       <strong class="editor-text-bold" style="white-space: pre-wrap;">Subject: </strong>
    //     </b>
    //     <span style="white-space: pre-wrap;">${subject}</span>
    //   </p>
    //   <p class="editor-paragraph" dir="ltr">${content}</p>
    //   `;
    const preQuoteBody = `<br><br>
        <hr>
        <p>
          <b>
            <strong >From: </strong>
          </b>
          <span >${quote.fromName} &lt;${quote.fromEmail}&gt;</span>
        </p>
        <p>
          <b>
            <strong >Sent: </strong>
          </b>
          <span >${quote.sent}</span>
        </p>
        <p>
          <b>
            <strong >To: </strong>
          </b>
          <span >${quote.toName} &lt;${quote.toEmail}&gt;</span>
        </p>
        <p>
          <b>
            <strong >Subject: </strong>
          </b>
          <span >${subject}</span>
        </p>
        <p>
        ${content}
        </p>
        `;
    // <blockquote class="editor-quote">
    // </blockquote>

    setInitialContent(preQuoteBody);
    const _formValues = {
      to: replyToEmail || fromEmail,
      cc: quote.cc,
      subject: `Re: ${subject}`,
    };
    const forwardValues = { subject: `Fw: ${subject}` };
    if (action === 'reply') {
      form.setFieldsValue(_formValues);
      setInitialForm(_formValues);
    } else if (action === 'forward') {
      form.setFieldsValue(forwardValues);
      setInitialForm(forwardValues);
    }

    return () => {};
  }, [quote, open]);

  const [openPlainTextConfirm, setOpenPlainTextConfirm] = useState(false);
  const handlePlainTextOpenChange = ({ target }) => {
    const { checked: newChecked } = target;
    if (!newChecked) {
      setIsRichText(true);
      setOpenPlainTextConfirm(false);
      return;
    }
    setOpenPlainTextConfirm(true);
  };
  const confirmPlainText = () => {
    setIsRichText(false);
    setOpenPlainTextConfirm(false);
  };

  // todo: 附件:
  // 1. 直接上传返回地址
  // 2. 发送文件信息
  const [fileList, setFileList] = useState([]);
  const handleChange = (info) => {
    let newFileList = [...info.fileList];
    // 2. Read from response and show file link
    newFileList = newFileList.map((file) => {
      if (file.response) {
        // Component will show file.url as link
        file.url = file.response.url;
      }
      return file;
    });
    setFileList(newFileList);
  };
  const normFile = (e) => {
    console.log('Upload event:', e);
    if (Array.isArray(e)) {
      return e;
    }
    return e?.fileList;
  };
  const uploadProps = {
    action: 'https://660d2bd96ddfa2943b33731c.mockapi.io/api/upload',
    // onChange: handleChange,
    // multiple: true,
  };

  return (
    <>
      <ConfigProvider theme={{ token: { colorPrimary: '#6366f1' } }}>
        <DnDModal
          rootClassName='email-editor-wrapper  !border-indigo-300 '
          open={open}
          setOpen={setOpen}
          initial={{ top: isEmpty(reference) ? 20 : 74 }}
          onCancel={() => {
            form.resetFields();
          }}
          title={initialForm.subject || `${reference ? '回复: ' : '写邮件: '} ${fromEmail || ''}`}
          footer={
            <div className='w-full flex gap-6 justify-start items-center text-indigo-600'>
              <Button type='primary' onClick={onHandleSend}>
                发送
              </Button>
              <Popconfirm description='切换内容为纯文本格式将丢失信件核签名的格式, 确定使用纯文本?' onConfirm={confirmPlainText} open={openPlainTextConfirm} onCancel={() => setOpenPlainTextConfirm(false)}>
                <Checkbox checked={!isRichText} onChange={handlePlainTextOpenChange}>
                  纯文本
                </Checkbox>
              </Popconfirm>
              <Select
                options={[
                  { key: 'lyt@hainatravel.com', value: 'lyt@hainatravel.com', label: 'LYT <lyt@hainatravel.com>' },
                  { key: 'XXX@chinahighlights.com', value: 'XXX@chinahighlights.com', label: 'XXX <XXX@chinahighlights.com>' },
                ]}
                value={newFromEmail || fromEmail}
                onChange={(val) => setNewFromEmail(val)}
                variant={'borderless'}
              />
            </div>
          }>
          <Form
            form={form}
            preserve={false}
            name='conversation_filter_form'
            size='small'
            layout={'inline'}
            variant={'borderless'}
            initialValues={{}}
            // onFinish={() => {}}
            className='email-editor-wrapper *:mb-2 *:border-b *:border-t-0 *:border-x-0 *:border-indigo-100 *:border-solid '
            requiredMark={false}
            // labelCol={{ span: 3 }}
          >
            <Form.Item label='收件人' name={'to'} rules={[{ required: true }]} className='w-full'>
              {/* <Space.Compact className='w-full'> */}
              <Flex justify='space-between'>
                <Mentions // todo: 用客人列表
                  split='; '
                  options={[
                    { value: 'lyt@hainatravel.com', label: 'OT' },
                    { value: 'zombieJ', label: 'zombieJ' },
                    { value: 'yesmeck', label: 'yesmeck' },
                  ]}
                  placeholder='@'
                />
                <Flex gap={4}>
                  {!showCc && (
                    <Button type='text' onClick={handleShowCc}>
                      Cc
                    </Button>
                  )}
                  {!showBcc && (
                    <Button type='text' hidden={showBcc} onClick={handleShowBcc}>
                      Bcc
                    </Button>
                  )}
                </Flex>
              </Flex>
              {/* </Space.Compact> */}
              {/* <Input
              addonAfter={
                <Flex gap={4}>
                  {!showCc && (
                    <Button type='text' onClick={handleShowCc}>
                      Cc
                    </Button>
                  )}
                  {!showBcc && (
                    <Button type='text' hidden={showBcc} onClick={handleShowBcc}>
                      Bcc
                    </Button>
                  )}
                </Flex>
              }
            /> */}
            </Form.Item>
            <Form.Item label='抄送' name={'cc'} hidden={!showCc} className='w-full pt-1'>
              <Input />
            </Form.Item>
            <Form.Item label='密送' name={'bcc'} hidden={!showBcc} className='w-full pt-1'>
              <Input />
            </Form.Item>
            <Form.Item label='主题' name={'subject'} rules={[{ required: true }]} className='w-full pt-1'>
              <Input />
            </Form.Item>
            <Form.Item
              name='upload'
              label=''
              className='w-full py-1 border-b-0'
              valuePropName='fileList'
              getValueFromEvent={normFile}
            >
              <Flex justify='space-between'>
                <Upload {...uploadProps} name='file' className='w-full' >
                  <Button icon={<UploadOutlined />}>附件</Button>
                </Upload>
                <Flex align={'center'} className='absolute right-0'>
                  {/* todo: 添加图文集、支付链接 */}
                  <Divider type='vertical' />
                  <Button type={'link'}>图文集</Button>
                  <Button type={'link'}>支付链接</Button>
                  {/* 更多工具 */}
                  {/* <Popover
                    content={
                      <div className='flex flex-col gap-2'>
                        <Button type={'link'}>??</Button>
                      </div>
                    }
                    trigger='click'
                  ><MoreOutlined /></Popover> */}
                </Flex>
              </Flex>
            </Form.Item>
            <Form.Item name='content' hidden>
              <Input />
            </Form.Item>
            <Form.Item name='abstract' hidden>
              <Input />
            </Form.Item>
          </Form>
          <LexicalEditor {...{ isRichText }} onChange={handleEditorChange} initialValue={initialContent} />
        </DnDModal>
      </ConfigProvider>
    </>
  );
};
export default EmailEditorPopup;