import { Brand, Icon, IconButton, Tag, Ticker } from '@stash/ui'
import {
  fillHeaderText,
  type HeaderItem,
  type SettingsTone,
  type SiteMetaSettings,
} from '../../settings'

/**
 * 顶部栏：左品牌、中间滚动信息（可在 /admin 配置）、右侧操作图标。
 * 品牌与操作图标是否出现，都来自「页头」Tab 的站点设置。
 * 外壳（品牌、跑马灯）都用组件库，这里只拼内容。
 */
type SiteHeaderProps = {
  projectCount: number
  /** 用于展示的第一个项目名，没有项目时留空 */
  sampleProject?: string
  live: boolean
  /** 页头滚动信息；为空时用默认三条 */
  headerItems: HeaderItem[]
  headerEnabled: boolean
  /** 滚动一轮的秒数 */
  headerSpeed: number
  /** 信息条目之间的间距（px） */
  headerGap?: number
  /** 品牌与操作工具配置 */
  site: SiteMetaSettings
  /** 站点设置是否已加载；未加载时不渲染依赖配置的图标，避免先显示再消失 */
  ready?: boolean
  /** 是否已登录：决定右侧是「登录」还是「退出登录」 */
  authenticated: boolean
  username?: string
  /** 刷新中：刷新按钮转圈 */
  refreshing?: boolean
  /** 当前是否为深色，决定明暗按钮的图标与文案 */
  dark?: boolean
  onRefresh: () => void
  onToggleTheme: () => void
  onLogin: () => void
  onLogout: () => void
  onSettings: () => void
}

const tagTone: Record<SettingsTone, 'neutral' | 'primary' | 'success'> = {
  plain: 'neutral',
  neutral: 'neutral',
  primary: 'primary',
  success: 'success',
}

export function SiteHeader({
  projectCount,
  sampleProject,
  live,
  headerItems,
  headerEnabled,
  headerSpeed,
  headerGap,
  site,
  ready = true,
  authenticated,
  username,
  refreshing = false,
  dark = false,
  onRefresh,
  onToggleTheme,
  onLogin,
  onLogout,
  onSettings,
}: SiteHeaderProps) {
  const context = { count: projectCount, project: sampleProject, live }

  return (
    <div className="site-header-inner">
      <Brand
        href="/"
        name={site.brand.name}
        mark={site.brand.mark}
        logo={site.brand.logo}
      />

      <div className="header-ticker-slot">
        {ready && headerEnabled && (
          <Ticker speed={headerSpeed} gap={headerGap} label="运行状态" className="header-ticker">
            {headerItems.map((item, index) => (
              <span className="header-ticker-item" key={`${index}-${item.text}`}>
                {item.tag !== undefined && item.tag !== null && item.tag !== '' && (
                  <Tag tone={tagTone[item.tone]} shape="rounded">
                    {item.tag}
                  </Tag>
                )}
                {fillHeaderText(item.text, context)}
              </span>
            ))}
          </Ticker>
        )}
      </div>

      <div className="header-actions">
        {ready && (
          <>
            {site.actions.theme && (
              <IconButton
                label={dark ? '切换到浅色' : '切换到深色'}
                icon={<Icon name={dark ? 'moon_line' : 'sun_line'} />}
                onClick={onToggleTheme}
              />
            )}
            {site.actions.refresh && (
              <IconButton
                label="刷新（重扫项目并重拉内容）"
                icon={<Icon name="lightning_line" />}
                spinning={refreshing}
                onClick={onRefresh}
              />
            )}
            {site.actions.settings && authenticated && (
              <IconButton
                label="站点设置"
                icon={<Icon name="settings_1_line" />}
                onClick={onSettings}
              />
            )}
            {site.actions.session &&
              (authenticated ? (
                <IconButton
                  label={username === undefined ? '退出登录' : `退出登录（${username}）`}
                  icon={<Icon name="exit_line" />}
                  onClick={onLogout}
                />
              ) : (
                <IconButton label="登录" icon={<Icon name="user_3_line" />} onClick={onLogin} />
              ))}
          </>
        )}
      </div>
    </div>
  )
}