/**
 * OpsxAPI 工作台入口：组装顶栏 / 侧栏 / 标签页 / 编辑器 / 对话框。
 */
import { findNode } from "@opsxapi/core";
import { useEffect } from "react";
import { closeSession } from "./send";
import { Icon } from "./components/icons";
import { Logo } from "./components/Logo";
import { useWorkspace } from "./workspaceStore";
import { Sidebar } from "./components/Sidebar";
import { TestingView } from "./components/TestingView";
import { startScheduler, stopScheduler } from "./scheduler";
import { TabBar } from "./components/TabBar";
import { TopBar } from "./components/TopBar";
import { GraphqlEditor } from "./components/editors/GraphqlEditor";
import { HttpEditor } from "./components/editors/HttpEditor";
import { MqttEditor } from "./components/editors/MqttEditor";
import { SocketIoEditor } from "./components/editors/SocketIoEditor";
import { SseEditor } from "./components/editors/SseEditor";
import { WebsocketEditor } from "./components/editors/WebsocketEditor";
import { ExportDialog } from "./components/dialogs/ExportDialog";
import { ImportDialog } from "./components/dialogs/ImportDialog";
import { AuthDialog, TeamDialog } from "./components/dialogs/AccountDialogs";
import {
  EnvironmentsDialog,
  NewItemDialog,
  RenameDialog,
  SettingsDialog,
} from "./components/dialogs/WorkspaceDialogs";

export function OpsxWorkspace() {
  const init = useWorkspace((s) => s.init);
  const inited = useWorkspace((s) => s.collections.length > 0 || s.environments.length > 0);
  const collections = useWorkspace((s) => s.collections);
  const activeTabId = useWorkspace((s) => s.activeTabId);
  const dialog = useWorkspace((s) => s.dialog);
  const openTab = useWorkspace((s) => s.openTab);
  const view = useWorkspace((s) => s.view);

  useEffect(() => {
    init();
  }, [init]);

  // 关闭标签页时断开实时会话
  useEffect(() => {
    useWorkspace.subscribe((state, prev) => {
      const closed = prev.openTabIds.filter((id) => !state.openTabIds.includes(id));
      for (const id of closed) closeSession(id);
    });
  }, []);

  // 定时任务调度器（应用运行期间常驻）
  useEffect(() => {
    startScheduler();
    return () => stopScheduler();
  }, []);

  const activeRef = activeTabId ? findNode(collections, activeTabId) : null;
  const activeNode = activeRef?.node;

  return (
    <div className="flex h-screen min-h-[640px] flex-col overflow-hidden">
      <TopBar />
      {view === "testing" ? (
        <TestingView />
      ) : (
      <div className="flex min-h-0 flex-1">
        <Sidebar />
        <main className="flex min-w-0 flex-1 flex-col">
          <TabBar />
          {inited && activeNode === undefined && (
            <EmptyState onQuick={(kind) => collections[0] && openTab(collections[0].id)} />
          )}
          {activeNode && activeNode.type === "request" && (
            <>
              {activeNode.kind === "http" && <HttpEditor node={activeNode} />}
              {activeNode.kind === "graphql" && <GraphqlEditor node={activeNode} />}
              {activeNode.kind === "websocket" && <WebsocketEditor node={activeNode} />}
              {activeNode.kind === "sse" && <SseEditor node={activeNode} />}
              {activeNode.kind === "socketio" && <SocketIoEditor node={activeNode} />}
              {activeNode.kind === "mqtt" && <MqttEditor node={activeNode} />}
            </>
          )}
          {activeNode && activeNode.type === "folder" && (
            <EmptyState onQuick={() => undefined} />
          )}
        </main>
      </div>

      )}
      {dialog?.type === "new" && <NewItemDialog collectionId={dialog.collectionId} parentId={dialog.parentId} />}
      {dialog?.type === "import" && <ImportDialog />}
      {dialog?.type === "export" && <ExportDialog collectionId={dialog.collectionId} />}
      {dialog?.type === "environments" && <EnvironmentsDialog />}
      {dialog?.type === "settings" && <SettingsDialog tab={dialog.tab} />}
      {dialog?.type === "rename" && <RenameDialog id={dialog.id} />}
      {dialog?.type === "auth" && <AuthDialog />}
      {dialog?.type === "team" && <TeamDialog />}
    </div>
  );
}

function EmptyState({ onQuick }: { onQuick: (kind: string) => void }) {
  const setDialog = useWorkspace((s) => s.setDialog);
  void onQuick;
  return (
    <div className="grid min-h-0 flex-1 place-items-center">
      <div className="text-center">
        <div className="mb-3 opacity-80"><Logo size={56} /></div>
        <div className="ops-dim mb-1 text-sm font-semibold">OpsxAPI · 接口工作台</div>
        <div className="ops-faint mb-5 text-xs">
          从左侧选择接口，或
          <button className="ops-link mx-1" onClick={() => setDialog({ type: "import" })}>
            导入数据
          </button>
          /
          <button
            className="ops-link ml-1"
            onClick={() =>
              setDialog({ type: "new", collectionId: useWorkspace.getState().collections[0]?.id ?? "", parentId: null })
            }
          >
            新建请求
          </button>
        </div>
        <div className="ops-faint text-[11px] leading-6">
          HTTP · GraphQL · WebSocket · SSE · Socket.IO · MQTT
          <br />
          支持 OpenAPI / Postman / Apifox / cURL / HAR 等格式导入导出
        </div>
      </div>
    </div>
  );
}