import { useCallback } from 'react';
import type { CSSProperties, ReactNode } from 'react';
import {
  Tree,
  List,
  Input,
  Button,
  ButtonGroup,
  Dropdown,
  Typography,
  Toast,
} from '@douyinfe/semi-ui';
import {
  IconCopyAdd,
  IconDelete,
  IconSearch,
} from '@douyinfe/semi-icons';
import { IconModal, IconToken as LabIconToken, IconTreeSelect } from '@douyinfe/semi-icons-lab';
import { useNoteStore } from '../../stores/useNoteStore';
import { useUIStore } from '../../stores/useUIStore';
import noteService from '../../services/note.service';
import type { INote, ITreeNode } from '../../types';

const NAV_ITEMS = ['首页', '设置', '已删除'] as const;
type NavItem = (typeof NAV_ITEMS)[number];

interface NoteTreeProps {
  onRefreshTree: () => void;
  onNavItemClick: (item: NavItem) => void;
  onSearch: () => void;
}

export default function NoteTree({ onRefreshTree, onNavItemClick, onSearch }: NoteTreeProps) {
  const { treeData, viewData, currentNoteId, setCurrentNote } = useNoteStore();
  const { openDeleteConfirm, setSearchQuery, searchQuery, setActiveView } = useUIStore();

  const toNoteId = (id: string | number) => Number(id);

  const loadNote = useCallback(
    (id: number) => {
      noteService.get(id).then(
        (res) => {
          const note = res.data;
          setCurrentNote(note.id, note.title, note.context);
          setActiveView('note');
        },
        () => Toast.error('加载笔记失败'),
      );
    },
    [setCurrentNote, setActiveView],
  );

  const addNote = useCallback(
    (pid: number) => {
      noteService.add(pid).then(
        () => {
          Toast.success('已添加');
          onRefreshTree();
        },
        () => Toast.error('添加失败'),
      );
    },
    [onRefreshTree],
  );

  const treeStyle: CSSProperties = {
    height: 550,
    border: '1px solid var(--semi-color-border)',
    position: 'sticky',
    top: '85px',
  };

  const renderLabel = (label: ReactNode, item: ITreeNode) => (
    <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
      <Typography.Text
        ellipsis={{ showTooltip: true }}
        style={{ width: 'calc(100% - 68px)' }}
      >
        {label}
      </Typography.Text>
      <ButtonGroup size="small" theme="borderless">
        <Button
          size="small"
          icon={<IconCopyAdd />}
          onClick={(e) => {
            addNote(toNoteId(item.key));
            e.stopPropagation();
          }}
        />
        <Button
          size="small"
          type="warning"
          icon={<IconDelete />}
          onClick={(e) => {
            openDeleteConfirm(toNoteId(item.key), String(label));
            e.stopPropagation();
          }}
        />
      </ButtonGroup>
    </div>
  );

  return (
    <>
      <br />
      <div>
        <Input
          prefix={<IconSearch />}
          showClear
          value={searchQuery}
          onChange={(v) => setSearchQuery(v)}
          onEnterPress={onSearch}
        />
      </div>

      <h3
        style={{
          marginBottom: 16,
          position: 'sticky',
          top: '3px',
          paddingLeft: '10px',
          paddingTop: '3px',
        }}
      >
        CYY Note
      </h3>

      <List
        bordered
        style={{
          flexBasis: '100%',
          flexShrink: 0,
          borderBottom: '1px solid var(--semi-color-border)',
        }}
        dataSource={NAV_ITEMS as unknown as NavItem[]}
        renderItem={(item: NavItem) => (
          <div
            style={{ margin: 5, border: '1px solid var(--semi-color-border)', cursor: 'pointer' }}
            className="list-item"
            onClick={() => onNavItemClick(item)}
          >
            {item === '首页'  && <Button type="danger" theme="borderless" icon={<LabIconToken />} style={{ marginRight: 4 }} />}
            {item === '设置'  && <Button type="danger" theme="borderless" icon={<IconTreeSelect />} style={{ marginRight: 4 }} />}
            {item === '已删除' && <Button type="danger" theme="borderless" icon={<IconModal />} style={{ marginRight: 4 }} />}
            {item}
          </div>
        )}
      />

      <div
        style={{
          marginBottom: 16,
          marginTop: 16,
          textAlign: 'center',
          position: 'sticky',
          top: '40px',
        }}
      >
        <Button type="secondary" onClick={() => addNote(0)}>
          添加主菜单
        </Button>
        &nbsp;&nbsp;
        <Dropdown
          trigger="click"
          showTick
          position="bottomLeft"
          render={
            <Dropdown.Menu>
              <Dropdown.Title>最近浏览</Dropdown.Title>
              <Dropdown.Divider />
              {viewData.map((item: INote) => (
                <Dropdown.Item
                  key={item.id}
                  type="primary"
                  onClick={() => loadNote(item.id)}
                >
                  {item.title}
                </Dropdown.Item>
              ))}
            </Dropdown.Menu>
          }
        >
          <Button type="secondary">最近浏览</Button>
        </Dropdown>
      </div>

      <Tree
        filterTreeNode
        searchPlaceholder=" "
        showFilteredOnly
        directory
        virtualize={{ itemSize: 28 }}
        value={currentNoteId === null ? undefined : String(currentNoteId)}
        treeData={treeData as unknown as Parameters<typeof Tree>[0]['treeData']}
        renderLabel={renderLabel as Parameters<typeof Tree>[0]['renderLabel']}
        style={treeStyle}
        onSelect={(id) => loadNote(toNoteId(id as string | number))}
      />
    </>
  );
}