/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @format
 */

import React, {useCallback, useMemo} from 'react';
import {Layout, theme} from 'flipper-plugin';
import {styled, Glyph} from '../../ui';
import {Input, Typography, Button, Collapse} from 'antd';
import {
  DownOutlined,
  UpOutlined,
  SearchOutlined,
  ExclamationCircleOutlined,
  SettingOutlined,
  DeleteOutlined,
} from '@ant-design/icons';
import {LeftSidebar, SidebarTitle} from '../LeftSidebar';
import {Notification as NotificationData} from '../../plugin';
import {useStore, useDispatch} from '../../utils/useStore';
import {ClientQuery} from '../../Client';
import {deconstructClientId} from '../../utils/clientUtils';
import {selectPlugin} from '../../reducers/connections';

type NotificationExtra = {
  onOpen: () => void;
  clientName: string | undefined;
  appName: string | undefined;
  pluginName: string;
  iconName: string | null | undefined;
};
type PluginNotification = NotificationData & NotificationExtra;

const {Title, Text, Paragraph} = Typography;

const CollapseContainer = styled.div({
  '.ant-collapse-ghost .ant-collapse-item': {
    '& > .ant-collapse-header': {
      paddingLeft: '16px',
    },
    '& > .ant-collapse-content > .ant-collapse-content-box': {
      padding: 0,
    },
  },
});

function DetailCollapse({detail}: {detail: string | React.ReactNode}) {
  const detailView =
    typeof detail === 'string' ? (
      <Paragraph
        type="secondary"
        style={{
          fontSize: theme.fontSize.smallBody,
          marginBottom: 0,
        }}
        ellipsis={{rows: 3}}>
        {detail}
      </Paragraph>
    ) : (
      detail
    );
  return (
    <CollapseContainer>
      <Collapse
        ghost
        expandIcon={({isActive}) =>
          isActive ? (
            <UpOutlined style={{fontSize: 8, left: 0}} />
          ) : (
            <DownOutlined style={{fontSize: 8, left: 0}} />
          )
        }>
        <Collapse.Panel
          key="detail"
          header={
            <Text type="secondary" style={{fontSize: theme.fontSize.smallBody}}>
              View detail
            </Text>
          }>
          {detailView}
        </Collapse.Panel>
      </Collapse>
    </CollapseContainer>
  );
}

function NotificationEntry({notification}: {notification: PluginNotification}) {
  const {
    onOpen,
    message,
    title,
    clientName,
    appName,
    pluginName,
    iconName,
  } = notification;

  const icon = iconName ? (
    <Glyph name={iconName} size={16} color={theme.primaryColor} />
  ) : (
    <ExclamationCircleOutlined style={{color: theme.primaryColor}} />
  );
  return (
    <Layout.Container gap="small" pad="medium">
      <Layout.Horizontal gap="tiny" center>
        {icon}
        <Text style={{fontSize: theme.fontSize.smallBody}}>{pluginName}</Text>
      </Layout.Horizontal>
      <Title level={4} ellipsis={{rows: 2}}>
        {title}
      </Title>
      <Text type="secondary" style={{fontSize: theme.fontSize.smallBody}}>
        {clientName && appName
          ? `${clientName}/${appName}`
          : clientName ?? appName ?? 'Not Connected'}
      </Text>
      <Button style={{width: 'fit-content'}} size="small" onClick={onOpen}>
        Open {pluginName}
      </Button>
      <DetailCollapse detail={message} />
    </Layout.Container>
  );
}

function NotificationList({
  notifications,
}: {
  notifications: Array<PluginNotification>;
}) {
  return (
    <Layout.ScrollContainer vertical>
      <Layout.Container>
        {notifications.map((notification) => (
          <NotificationEntry
            key={notification.id}
            notification={notification}
          />
        ))}
      </Layout.Container>
    </Layout.ScrollContainer>
  );
}

export function Notification() {
  const dispatch = useDispatch();

  const clients = useStore((state) => state.connections.clients);
  const getClientQuery = useCallback(
    (id: string | null) =>
      id !== null
        ? clients.reduce(
            (query: ClientQuery | null, client) =>
              client.id === id ? client.query : query,
            null,
          ) ?? deconstructClientId(id)
        : null,
    [clients],
  );

  const clientPlugins = useStore((state) => state.plugins.clientPlugins);
  const devicePlugins = useStore((state) => state.plugins.devicePlugins);
  const getPlugin = useCallback(
    (id: string) => clientPlugins.get(id) || devicePlugins.get(id),
    [clientPlugins, devicePlugins],
  );

  const activeNotifications = useStore(
    (state) => state.notifications.activeNotifications,
  );

  const displayedNotifications: Array<PluginNotification> = useMemo(
    () =>
      activeNotifications.map((noti) => {
        const plugin = getPlugin(noti.pluginId);
        const client = getClientQuery(noti.client);
        return {
          ...noti.notification,
          onOpen: () =>
            dispatch(
              selectPlugin({
                selectedPlugin: noti.pluginId,
                selectedApp: noti.client,
                deepLinkPayload: noti.notification.action,
              }),
            ),
          clientName: client?.device_id,
          appName: client?.app,
          pluginName: plugin?.title ?? noti.pluginId,
          iconName: plugin?.icon,
        };
      }),
    [activeNotifications, getPlugin, getClientQuery, dispatch],
  );

  const actions = (
    <div>
      <Layout.Horizontal gap="medium">
        <SettingOutlined style={{fontSize: theme.space.large}} />
        <DeleteOutlined style={{fontSize: theme.space.large}} />
      </Layout.Horizontal>
    </div>
  );
  return (
    <LeftSidebar>
      <Layout.Top>
        <Layout.Container gap="tiny" padv="tiny" borderBottom>
          <SidebarTitle actions={actions}>notifications</SidebarTitle>
          <Layout.Container padh="medium" padv="small">
            <Input placeholder="Search..." prefix={<SearchOutlined />} />
          </Layout.Container>
        </Layout.Container>
        <NotificationList notifications={displayedNotifications} />
      </Layout.Top>
    </LeftSidebar>
  );
}