// 工作区弹层（提案 T4/D25）：深读经 OverlayHost 单层呈现。
// 服务端声明的工作区（领域插件槽位）对所有用户可见；插件管理面板仍只在系统管理区。
// 文件浏览已并入第三栏「文件」入口，本弹层只承载代理与领域工作区。
import { store, useStore } from '../store'
import type { Run } from '../contracts'
import { OverlayHost, type DocBridge } from '@ui'
import { docBridge } from './Workbench'
import { AgentRow } from './Workbench'
import { buildWorkspaceEntries, type WorkspaceEntry } from '../workspaces'
import { RdmAuditWorkspace } from './RdmAuditWorkspace'

/** 体系工具（顺序即 ⌘ 序号）。服务端工作区全员可见；插件管理面板只在系统管理区。 */
export function workspaceEntries(): WorkspaceEntry[] {
  return buildWorkspaceEntries(store.getState().serverWorkspaces)
}

export function Workspaces() {
  const active = useStore(s => s.ui.activeWorkspace)
  const runs = useStore(s => s.runs)
  const pluginPanels = useStore(s => s.pluginPanels)
  const serverWorkspaces = useStore(s => s.serverWorkspaces)
  if (!active) return null
  const entry = workspaceEntries().find(e => e.key === active)
  const close = () => store.closeWorkspace()

  if (active === 'agents') {
    const convRuns = runs.filter(r => r.kind !== 'tool')
    return <OverlayHost title="代理" icon="🤖" shortcut={entry?.shortcut ?? '⌘2'} sayHint="打开代理" onClose={close}>
      <AgentsPanel runs={convRuns} />
    </OverlayHost>
  }
  if (active === 'rdm-audit') {
    return <OverlayHost title="追溯审计" icon="🔍" shortcut={entry?.shortcut} sayHint="打开追溯审计" onClose={close}>
      <RdmAuditWorkspace />
    </OverlayHost>
  }
  if (active.startsWith('plugin:')) {
    const panel = pluginPanels.find(p => `plugin:${p.id}` === active)
    return <OverlayHost title={panel?.title ?? '插件面板'} icon="🧩" onClose={close}
      nodes={panel?.body ?? []} docBridge={docBridge as DocBridge} onRefresh={() => store.refreshPlugins()} />
  }
  if (active.startsWith('ws:')) {
    const ws = serverWorkspaces.find(w => `ws:${w.id}` === active)
    const title = ws?.title ?? '工作区'
    return <OverlayHost title={title} icon={ws?.icon || '🗂'} shortcut={entry?.shortcut} sayHint={`打开${title}`} onClose={close}
      nodes={ws?.body ?? []} docBridge={docBridge as DocBridge} onRefresh={() => store.refreshPlugins()} />
  }
  return null
}

/** 代理面板（任务树；点击进 AgentTracker 深读）。 */
export function AgentsPanel({ runs }: { runs: Run[] }) {
  if (runs.length === 0) return <div className="empty-note">暂无运行——多代理任务会在此形成任务树（mock：#agents）</div>
  const roots = runs.filter(r => !r.parentRunId)
  return <div className="subagent-tree">
    {roots.map(r => (
      <div key={r.id}>
        <AgentRow run={r} depth={0} />
        {runs.filter(c => c.parentRunId === r.id).map(c => <AgentRow key={c.id} run={c} depth={1} />)}
      </div>
    ))}
  </div>
}

/** ⌘1–9 / Ctrl+1–9 全局快捷键（挂载于 App）。 */
export function workspaceShortcuts(e: KeyboardEvent) {
  if (!(e.metaKey || e.ctrlKey)) return
  const n = parseInt(e.key, 10)
  if (!Number.isInteger(n) || n < 1 || n > 9) return
  const entries = workspaceEntries()
  const hit = entries[n - 1]
  if (!hit) return
  e.preventDefault()
  store.openWorkspace(hit.key)
}