import React, { useState, useContext, useEffect } from 'react';
import { Button, Tooltip, Collapse, Popconfirm } from 'antd';
import { CopyOutlined, RedoOutlined } from '@ant-design/icons';
const { Panel } = Collapse;

import { TEXTFIELD_TYPE_NUMBER, TEXTFIELD_TYPE_PASSWORD } from './form-textfield';
import TextFieldWithSubmit from './form-textfield-with-submit';

import { ServerStatusContext } from '../../utils/server-status-context';
import { AlertMessageContext } from '../../utils/alert-message-context';

import {
  TEXTFIELD_PROPS_FFMPEG,
  TEXTFIELD_PROPS_RTMP_PORT,
  TEXTFIELD_PROPS_STREAM_KEY,
  TEXTFIELD_PROPS_WEB_PORT,
} from '../../utils/config-constants';
import { fetchData, API_YP_RESET } from '../../utils/apis';

import { UpdateArgs } from '../../types/config-section';

export default function EditInstanceDetails() {
  const [formDataValues, setFormDataValues] = useState(null);
  const serverStatusData = useContext(ServerStatusContext);
  const { setMessage } = useContext(AlertMessageContext);

  const { serverConfig } = serverStatusData || {};

  const { streamKey, ffmpegPath, rtmpServerPort, webServerPort, yp } = serverConfig;

  const [copyIsVisible, setCopyVisible] = useState(false);

  const COPY_TOOLTIP_TIMEOUT = 3000;

  useEffect(() => {
    setFormDataValues({
      streamKey,
      ffmpegPath,
      rtmpServerPort,
      webServerPort,
    });
  }, [serverConfig]);

  if (!formDataValues) {
    return null;
  }

  const handleFieldChange = ({ fieldName, value }: UpdateArgs) => {
    setFormDataValues({
      ...formDataValues,
      [fieldName]: value,
    });
  };

  const showConfigurationRestartMessage = () => {
    setMessage('Updating server settings requires a restart of your Owncast server.');
  };

  const showStreamKeyChangeMessage = () => {
    setMessage(
      'Changing your stream key will log you out of the admin and block you from streaming until you change the key in your broadcasting software.',
    );
  };

  const showFfmpegChangeMessage = () => {
    if (serverStatusData.online) {
      setMessage('The updated ffmpeg path will be used when starting your next live stream.');
    }
  };

  const resetDirectoryRegistration = async () => {
    try {
      await fetchData(API_YP_RESET);
      setMessage('');
    } catch (error) {
      alert(error);
    }
  };

  function ResetYP() {
    // TODO: Uncomment this after it's styled.
    // if (yp.enabled) {
    return (
      <div className="field-container">
        Reset Directory:
        <Popconfirm
          placement="topLeft"
          title={'Are you sure you want to reset your connection to the Owncast directory?'}
          onConfirm={resetDirectoryRegistration}
          okText="Yes"
          cancelText="No"
        >
          <Button>Reset Directory Connection</Button>
        </Popconfirm>
        <p>
          If you are experiencing issues with your listing on the Owncast Directory and were asked
          to "reset" your connection to the service, you can do that here. The next time you go live
          it will try and re-register your server with the directory from scratch.
        </p>
      </div>
    );
    // }
    // return null;
  }

  function generateStreamKey() {
    let key = '';
    for (let i = 0; i < 3; i += 1) {
      key += Math.random().toString(36).substring(2);
    }

    handleFieldChange({ fieldName: 'streamKey', value: key });
  }

  function copyStreamKey() {
    navigator.clipboard.writeText(formDataValues.streamKey).then(() => {
      setCopyVisible(true);
      setTimeout(() => setCopyVisible(false), COPY_TOOLTIP_TIMEOUT);
    });
  }

  return (
    <div className="edit-public-details-container">
      <div className="field-container field-streamkey-container">
        <div className="left-side">
          <TextFieldWithSubmit
            fieldName="streamKey"
            {...TEXTFIELD_PROPS_STREAM_KEY}
            value={formDataValues.streamKey}
            initialValue={streamKey}
            type={TEXTFIELD_TYPE_PASSWORD}
            onChange={handleFieldChange}
            onSubmit={showStreamKeyChangeMessage}
          />
          <div className="streamkey-actions">
            <Tooltip title="Generate a stream key">
              <Button icon={<RedoOutlined />} size="small" onClick={generateStreamKey} />
            </Tooltip>

            <Tooltip
              className="copy-tooltip"
              title={copyIsVisible ? 'Copied!' : 'Copy to clipboard'}
            >
              <Button icon={<CopyOutlined />} size="small" onClick={copyStreamKey} />
            </Tooltip>
          </div>
        </div>
      </div>
      <TextFieldWithSubmit
        fieldName="ffmpegPath"
        {...TEXTFIELD_PROPS_FFMPEG}
        value={formDataValues.ffmpegPath}
        initialValue={ffmpegPath}
        onChange={handleFieldChange}
        onSubmit={showFfmpegChangeMessage}
      />
      <TextFieldWithSubmit
        fieldName="webServerPort"
        {...TEXTFIELD_PROPS_WEB_PORT}
        value={formDataValues.webServerPort}
        initialValue={webServerPort}
        type={TEXTFIELD_TYPE_NUMBER}
        onChange={handleFieldChange}
        onSubmit={showConfigurationRestartMessage}
      />
      <TextFieldWithSubmit
        fieldName="rtmpServerPort"
        {...TEXTFIELD_PROPS_RTMP_PORT}
        value={formDataValues.rtmpServerPort}
        initialValue={rtmpServerPort}
        type={TEXTFIELD_TYPE_NUMBER}
        onChange={handleFieldChange}
        onSubmit={showConfigurationRestartMessage}
      />
      <Collapse>
        <Panel header="Advanced Settings" key="1">
          <div className="form-fields">
            <ResetYP />
          </div>
        </Panel>
      </Collapse>
    </div>
  );
}