export function registerBeforeCombinePromptsController(runtime, listener) {
  const makeFirst = runtime.getEventMakeFirst();
  if (typeof makeFirst === "function") {
    return makeFirst(
      runtime.eventTypes.GENERATE_BEFORE_COMBINE_PROMPTS,
      listener,
    );
  }

  runtime.console.warn("[ST-BME] eventMakeFirst 不可用，回退到普通事件注册");
  runtime.eventSource.on(runtime.eventTypes.GENERATE_BEFORE_COMBINE_PROMPTS, listener);
  return null;
}

export function registerGenerationAfterCommandsController(runtime, listener) {
  const makeFirst = runtime.getEventMakeFirst();
  if (typeof makeFirst === "function") {
    return makeFirst(runtime.eventTypes.GENERATION_AFTER_COMMANDS, listener);
  }

  runtime.console.warn(
    "[ST-BME] eventMakeFirst 不可用，GENERATION_AFTER_COMMANDS 回退到普通事件注册",
  );
  runtime.eventSource.on(runtime.eventTypes.GENERATION_AFTER_COMMANDS, listener);
  return null;
}

export function scheduleSendIntentHookRetryController(runtime, delayMs = 400) {
  runtime.clearTimeout(runtime.getSendIntentHookRetryTimer());
  const timer = runtime.setTimeout(() => {
    runtime.setSendIntentHookRetryTimer(null);
    runtime.installSendIntentHooks();
  }, delayMs);
  runtime.setSendIntentHookRetryTimer(timer);
}

export function installSendIntentHooksController(runtime) {
  for (const cleanup of runtime.consumeSendIntentHookCleanup()) {
    try {
      cleanup();
    } catch (error) {
      runtime.console.warn("[ST-BME] 清理发送意图钩子失败:", error);
    }
  }

  const sendButton = runtime.document.getElementById("send_but");
  const sendTextarea = runtime.document.getElementById("send_textarea");

  if (sendButton) {
    const captureSendIntent = () => {
      runtime.recordRecallSendIntent(runtime.getSendTextareaValue(), "send-button");
    };

    sendButton.addEventListener("click", captureSendIntent, true);
    sendButton.addEventListener("pointerup", captureSendIntent, true);
    sendButton.addEventListener("touchend", captureSendIntent, true);
    runtime.pushSendIntentHookCleanup(() => {
      sendButton.removeEventListener("click", captureSendIntent, true);
      sendButton.removeEventListener("pointerup", captureSendIntent, true);
      sendButton.removeEventListener("touchend", captureSendIntent, true);
    });
  }

  if (sendTextarea) {
    const captureEnterIntent = (event) => {
      if (
        (event.key === "Enter" || event.key === "NumpadEnter") &&
        !event.shiftKey
      ) {
        runtime.recordRecallSendIntent(
          runtime.getSendTextareaValue(),
          "textarea-enter",
        );
      }
    };

    sendTextarea.addEventListener("keydown", captureEnterIntent, true);
    runtime.pushSendIntentHookCleanup(() => {
      sendTextarea.removeEventListener("keydown", captureEnterIntent, true);
    });
  }

  if (!sendButton || !sendTextarea) {
    runtime.scheduleSendIntentHookRetry();
  }
}

export function registerCoreEventHooksController(runtime) {
  const { eventSource, eventTypes, handlers } = runtime;

  eventSource.on(eventTypes.CHAT_CHANGED, handlers.onChatChanged);
  if (eventTypes.CHAT_LOADED) {
    eventSource.on(eventTypes.CHAT_LOADED, handlers.onChatLoaded);
  }
  if (eventTypes.MESSAGE_SENT) {
    eventSource.on(eventTypes.MESSAGE_SENT, handlers.onMessageSent);
  }

  runtime.registerGenerationAfterCommands(handlers.onGenerationAfterCommands);
  runtime.registerBeforeCombinePrompts(handlers.onBeforeCombinePrompts);

  eventSource.on(eventTypes.MESSAGE_RECEIVED, handlers.onMessageReceived);
  eventSource.on(eventTypes.MESSAGE_DELETED, handlers.onMessageDeleted);
  eventSource.on(eventTypes.MESSAGE_EDITED, handlers.onMessageEdited);
  eventSource.on(eventTypes.MESSAGE_SWIPED, handlers.onMessageSwiped);
  if (eventTypes.MESSAGE_UPDATED) {
    eventSource.on(eventTypes.MESSAGE_UPDATED, handlers.onMessageEdited);
  }
}