/* eslint-disable max-lines-per-function -- 单组件按原型区块展开，拆分反而降低可读性 */
import { Button, SideSheet } from '@douyinfe/semi-ui-19';
import type { PermissionTree, RoleDetail } from '@lingxi/shared';
import { IconCheck, IconStar } from '@lingxi/ui/icons';
import type { ReactNode } from 'react';

import { scopeLabelOf } from './role-display';

export interface PermissionCatalogDrawerProps {
  visible: boolean;
  tree: PermissionTree | undefined;
  role: RoleDetail | null;
  onClose: () => void;
}

/** 权限点目录抽屉：只读展示 30 个权限点与当前角色的持有情况 */
export function PermissionCatalogDrawer({
  visible,
  tree,
  role,
  onClose,
}: PermissionCatalogDrawerProps): ReactNode {
  const granted = new Set<string>([
    ...(role?.permissions ?? []),
    ...(role?.specialPermissions ?? []),
  ]);
  return (
    <SideSheet
      visible={visible}
      title="权限点目录"
      width={480}
      placement="right"
      onCancel={onClose}
      footer={
        <div className="lx-role-catalog__foot">
          <span>权限点变更即时对绑定用户生效</span>
          <Button onClick={onClose}>关闭</Button>
        </div>
      }
    >
      <div className="lx-role-catalog">
        <p className="lx-role-catalog__sub">
          {tree?.totalPermissions ?? 30} 个权限点 · {tree?.specialPermissions.length ?? 6}{' '}
          个特殊权限；★ 默认关闭、需单独授予。
          {role === null
            ? ' 当前角色尚未加载。'
            : ` 当前勾选为「${role.name}」持有（${String(role.permissionCount + role.specialPermissionCount)} 个）。`}
        </p>
        {tree === undefined ? (
          <p className="lx-role-catalog__empty">权限点目录加载中…</p>
        ) : (
          tree.modules.map((module) => (
            <section key={module.module} className="lx-role-catalog__module">
              <header className="lx-role-catalog__module-head">
                <b>{module.moduleLabel}</b>
                <span>
                  {module.permissions.filter((permission) => granted.has(permission.code)).length} /{' '}
                  {module.permissions.length}
                </span>
              </header>
              {module.permissions.map((permission) => {
                const owned = granted.has(permission.code);
                return (
                  <div
                    key={permission.code}
                    className={owned ? 'lx-role-catalog__row is-granted' : 'lx-role-catalog__row'}
                  >
                    <span className="lx-role-catalog__check" aria-hidden="true">
                      {owned ? <IconCheck size={12} /> : null}
                    </span>
                    <span className="lx-role-catalog__copy">
                      <span className="lx-role-catalog__name">
                        {permission.name}
                        {permission.isSpecial ? (
                          <span className="lx-role-tag lx-role-tag--special">★ 特殊</span>
                        ) : null}
                      </span>
                      <span className="lx-role-catalog__desc">{permission.description}</span>
                    </span>
                    <code className="lx-role-catalog__code">{permission.code}</code>
                  </div>
                );
              })}
            </section>
          ))
        )}
        <div className="lx-role-catalog__note">
          <IconStar size={14} />
          <span>
            特殊权限 6 项与普通权限分开授予，不随角色复制带入；当前角色数据范围为「
            {role === null ? '—' : scopeLabelOf(role.dataScope.type)}」。
          </span>
        </div>
      </div>
    </SideSheet>
  );
}