// @ts-nocheck
import { debugLog } from '../common';
import { usePolicyStore } from '../../../stores/policy';
import { useModelStore } from '../../../stores/model';
import { usePersonalizationStore } from '../../../stores/personalization';
import { useTutorialStore } from '../../../stores/tutorial';
import { renderMarkdown as renderMarkdownHelper } from '../../../composables/useMarkdownRenderer';
import { scrollToBottom as scrollToBottomHelper, conditionalScrollToBottom as conditionalScrollToBottomHelper, scrollThinkingToBottom as scrollThinkingToBottomHelper } from '../../../composables/useScrollControl';
import { startResize as startPanelResize, handleResize as handlePanelResize, stopResize as stopPanelResize } from '../../../composables/usePanelResize';
import {
  SUB_AGENT_DONE_PREFIX_RE,
  BG_RUN_COMMAND_DONE_PREFIX_RE,
  userMDebug,
  UI_BOUNCE_TRACE_MAX,
  uiBounceTraceLastTsByKey,
  isUiBounceTraceEnabled,
  uiBounceTrace,
  isConnectionDiagEnabled,
  pushConnectionDiagRecord,
  connectionDiag,
  parseSubAgentDoneLabel,
  parseBackgroundRunCommandDoneLabel,
  parseSystemNoticeLabel,
} from './shared';

export const routeMethods = {
  async bootstrapRoute() {
    // 在路由解析期间抑制标题动画，避免预置"新对话"闪烁
    this.suppressTitleTyping = true;
    this.titleReady = false;
    this.currentConversationTitle = '';
    this.titleTypingText = '';
    const path = window.location.pathname.replace(/^\/+/, '');
    // 检查多智能体模式入口
    if (path === 'multiagent/new' || path === 'multiagent') {
      this.multiAgentMode = true;
      this.currentConversationId = null;
      this.currentConversationTitle = '多智能体模式';
      this.logMessageState('bootstrapRoute:clear-messages-for-multiagent-new');
      this.messages = [];
      this.titleReady = true;
      this.suppressTitleTyping = false;
      this.startTitleTyping('多智能体模式', { animate: false });
      this.initialRouteResolved = true;
      this.refreshBlankHeroState();
      // 进入多智能体模式时触发后端重建索引以补全 multi_agent_mode 字段
      try {
        await fetch('/api/multiagent/rebuild-index', { method: 'POST' });
      } catch (_e) {
        // 重建失败不阻断主流程
      }
      await this.restoreComposerDraftState('bootstrap-route:multiagent');
      return;
    }
    // 当 URL 是 /multiagent/conv_xxx 时也走多智能体模式
    if (path.startsWith('multiagent/')) {
      this.multiAgentMode = true;
      const convPart = path.slice('multiagent/'.length);
      const convId = convPart.startsWith('conv_') ? convPart : `conv_${convPart}`;
      try {
        const resp = await fetch(`/api/conversations/${convId}/load`, { method: 'PUT' });
        const result = await resp.json();
        if (result.success) {
          if (typeof result.run_mode === 'string') {
            this.runMode = result.run_mode;
            this.thinkingMode = typeof result.thinking_mode === 'boolean' ? result.thinking_mode : result.run_mode !== 'fast';
          } else if (typeof result.thinking_mode === 'boolean') {
            this.thinkingMode = result.thinking_mode;
            this.runMode = result.thinking_mode ? 'thinking' : 'fast';
          }
          if (typeof result.model_key === 'string' && result.model_key) this.modelSet(result.model_key);
          this.currentConversationId = convId;
          this.currentConversationTitle = result.title || '多智能体模式';
          this.titleReady = true;
          this.suppressTitleTyping = false;
          this.startTitleTyping(this.currentConversationTitle, { animate: false });
          history.replaceState({ conversationId: convId }, '', `/multiagent/${this.stripConversationPrefix(convId)}`);
          this.initialRouteResolved = true;
          await this.restoreComposerDraftState('bootstrap-route:multiagent-existing');
          return;
        }
      } catch (error) {
        console.warn('[multiagent] 加载多智能体对话失败:', error);
      }
      // 加载失败回退到 multiagent/new 路径
      history.replaceState({}, '', '/multiagent/new');
      window.location.reload();
      return;
    }
    // 非多智能体模式：清除标志
    this.multiAgentMode = false;
    if (!path || this.isExplicitNewConversationRoute()) {
      this.currentConversationId = null;
      this.currentConversationTitle = '新对话';
      this.logMessageState('bootstrapRoute:clear-messages-for-new');
      this.messages = [];
      this.titleReady = true;
      this.suppressTitleTyping = false;
      this.startTitleTyping('新对话', { animate: false });
      this.initialRouteResolved = true;
      this.refreshBlankHeroState();
      await this.restoreComposerDraftState('bootstrap-route:new');
      return;
    }

    const convId = path.startsWith('conv_') ? path : `conv_${path}`;
    try {
      const resp = await fetch(`/api/conversations/${convId}/load`, { method: 'PUT' });
      const result = await resp.json();
      if (result.success) {
        if (typeof result.run_mode === 'string') {
          this.runMode = result.run_mode;
          this.thinkingMode =
            typeof result.thinking_mode === 'boolean'
              ? result.thinking_mode
              : result.run_mode !== 'fast';
        } else if (typeof result.thinking_mode === 'boolean') {
          this.thinkingMode = result.thinking_mode;
          this.runMode = result.thinking_mode ? 'thinking' : 'fast';
        }
        if (typeof result.model_key === 'string' && result.model_key) {
          this.modelSet(result.model_key);
        }
        this.currentConversationId = convId;
        this.currentConversationTitle = result.title || '';
        this.titleReady = true;
        this.suppressTitleTyping = false;
        this.startTitleTyping(this.currentConversationTitle, { animate: false });
        history.replaceState(
          { conversationId: convId },
          '',
          `/${this.stripConversationPrefix(convId)}`
        );
      } else {
        history.replaceState({}, '', '/new');
        this.currentConversationId = null;
        this.currentConversationTitle = '新对话';
        this.titleReady = true;
        this.suppressTitleTyping = false;
        this.startTitleTyping('新对话', { animate: false });
      }
    } catch (error) {
      console.warn('初始化路由失败:', error);
      history.replaceState({}, '', '/new');
      this.currentConversationId = null;
      this.currentConversationTitle = '新对话';
      this.titleReady = true;
      this.suppressTitleTyping = false;
      this.startTitleTyping('新对话', { animate: false });
    } finally {
      this.initialRouteResolved = true;
    }
    await this.restoreComposerDraftState('bootstrap-route:conversation');
  },
  handlePopState(event) {
    const state = event.state || {};
    const convId = state.conversationId;
    if (!convId) {
      this.currentConversationId = null;
      this.currentConversationTitle = '新对话';
      this.logMessageState('handlePopState:clear-messages-no-conversation');
      this.messages = [];
      this.logMessageState('handlePopState:after-clear-no-conversation');
      this.resetAllStates('handlePopState:no-conversation');
      this.resetTokenStatistics();
      this.restoreComposerDraftState('popstate:new').catch(() => {});
      return;
    }
    this.loadConversation(convId);
  },
  refreshCurrentPage() {
    if (typeof window === 'undefined') {
      return;
    }
    this.persistComposerDraftNow({
      reason: 'refresh-page',
      force: true,
      keepalive: true
    })
      .catch(() => {})
      .finally(() => {
        window.location.reload();
      });
  },
  isExplicitNewConversationRoute() {
    const normalizedPath = window.location.pathname.replace(/^\/+|\/+$/g, '');
    return normalizedPath === 'new' || normalizedPath === 'multiagent/new' || normalizedPath === 'multiagent';
  },
  stripConversationPrefix(conversationId) {
    if (!conversationId) return '';
    return conversationId.startsWith('conv_') ? conversationId.slice(5) : conversationId;
  }
};