import type { OpenClawPluginApi } from "openclaw/plugin-sdk";
import { emptyPluginConfigSchema } from "openclaw/plugin-sdk";
import { WechatAccessWebSocketClient, handlePrompt, handleCancel } from "./websocket/index.js";
// import { handleSimpleWecomWebhook } from "./http/webhook.js";
import { setWecomRuntime } from "./common/runtime.js";
import { performLogin, loadState, clearState, getDeviceGuid, getEnvironment } from "./auth/index.js";

// 类型定义
type NormalizedChatType = "direct" | "group" | "channel";

// WebSocket 客户端实例（按 accountId 存储）
const wsClients = new Map<string, WechatAccessWebSocketClient>();

// 渠道元数据
const meta = {
  id: "wechat-access-unqclawed",
  label: "腾讯通路",
  /** 选择时的显示文本 */
  selectionLabel: "腾讯通路",
  detailLabel: "腾讯通路",
  /** 文档路径 */
  docsPath: "/channels/wechat-access",
  docsLabel: "wechat-access-unqclawed",
  /** 简介 */
  blurb: "通用通路",
  /** 图标 */
  systemImage: "message.fill",
  /** 排序权重 */
  order: 85,
};

// 渠道插件
const tencentAccessPlugin = {
  id: "wechat-access-unqclawed",
  meta,

  // 能力声明
  capabilities: {
    chatTypes: ["direct"] as NormalizedChatType[],
    reactions: false,
    threads: false,
    media: true,
    nativeCommands: false,
    blockStreaming: false,
  },

  // 热重载：token 或 wsUrl 变更时触发 gateway 重启
  reload: {
    configPrefixes: ["channels.wechat-access-unqclawed.token", "channels.wechat-access-unqclawed.wsUrl"],
  },

  // 配置适配器（必需）
  config: {
    listAccountIds: (cfg: any) => {
      const accounts = cfg.channels?.["wechat-access-unqclawed"]?.accounts;
      if (accounts && typeof accounts === "object") {
        return Object.keys(accounts);
      }
      // 没有配置账号时，返回默认账号
      return ["default"];
    },
    resolveAccount: (cfg: any, accountId: string) => {
      const accounts = cfg.channels?.["wechat-access-unqclawed"]?.accounts;
      const account = accounts?.[accountId ?? "default"];
      return account ?? { accountId: accountId ?? "default" };
    },
  },

  // 出站适配器（必需）
  outbound: {
    deliveryMode: "direct" as const,
    sendText: async () => ({ ok: true }),
  },

  // 状态适配器：上报 WebSocket 连接状态
  status: {
    buildAccountSnapshot: ({ accountId }: { accountId?: string; cfg: any; runtime?: any }) => {
      const client = wsClients.get(accountId ?? "default");
      const running = client?.getState() === "connected";
      return { running };
    },
  },

  // Gateway 适配器：按账号启动/停止 WebSocket 连接
  gateway: {
    startAccount: async (ctx: any) => {
      const { cfg, accountId, abortSignal, log } = ctx;

      const tencentAccessConfig = cfg?.channels?.["wechat-access-unqclawed"];
      let token = tencentAccessConfig?.token ? String(tencentAccessConfig.token) : "";
      const configWsUrl = tencentAccessConfig?.wsUrl ? String(tencentAccessConfig.wsUrl) : "";
      const bypassInvite = tencentAccessConfig?.bypassInvite === true;
      const authStatePath = tencentAccessConfig?.authStatePath
        ? String(tencentAccessConfig.authStatePath)
        : undefined;
      const envName: string = tencentAccessConfig?.environment
        ? String(tencentAccessConfig.environment)
        : "production";
      const gatewayPort = cfg?.gateway?.port ? String(cfg.gateway.port) : "unknown";

      const env = getEnvironment(envName);
      const guid = getDeviceGuid();
      const wsUrl = configWsUrl || env.wechatWsUrl;

      // 启动诊断日志
      log?.info(`[wechat-access] 启动账号 ${accountId}`, {
        platform: process.platform,
        nodeVersion: process.version,
        hasToken: !!token,
        hasUrl: !!wsUrl,
        url: wsUrl || "(未配置)",
        tokenPrefix: token ? token.substring(0, 6) + "..." : "(未配置)",
      });

      // Token 获取策略：配置 > 已保存的登录态 > 交互式扫码登录
      if (!token) {
        const savedState = loadState(authStatePath);
        if (savedState?.channelToken) {
          token = savedState.channelToken;
          log?.info(`[wechat-access] 使用已保存的 token: ${token.substring(0, 6)}...`);
        } else {
          log?.info(`[wechat-access] 未找到 token，启动微信扫码登录...`);
          try {
            const credentials = await performLogin({
              guid,
              env,
              bypassInvite,
              authStatePath,
              log,
            });
            token = credentials.channelToken;
          } catch (err) {
            log?.error(`[wechat-access] 登录失败: ${err}`);
            return;
          }
        }
      }

      if (!token) {
        log?.warn(`[wechat-access] token 为空，跳过 WebSocket 连接`);
        return;
      }

      const wsConfig = {
        url: wsUrl,
        token,
        guid,
        userId: "",
        gatewayPort,
        reconnectInterval: 3000,
        maxReconnectAttempts: 10,
        heartbeatInterval: 20000,
      };

      const client = new WechatAccessWebSocketClient(wsConfig, {
        onConnected: () => {
          log?.info(`[wechat-access] WebSocket 连接成功`);
          ctx.setStatus({ running: true });
        },
        onDisconnected: (reason?: string) => {
          log?.warn(`[wechat-access] WebSocket 连接断开: ${reason}`);
          ctx.setStatus({ running: false });
        },
        onPrompt: (message: any) => {
          void handlePrompt(message, client).catch((err: Error) => {
            log?.error(`[wechat-access] 处理 prompt 失败: ${err.message}`);
          });
        },
        onCancel: (message: any) => {
          handleCancel(message, client);
        },
        onError: (error: Error) => {
          log?.error(`[wechat-access] WebSocket 错误: ${error.message}`);
        },
      });

      wsClients.set(accountId, client);
      client.start();

      // 等待框架发出停止信号
      await new Promise<void>((resolve) => {
        abortSignal.addEventListener("abort", () => {
          log?.info(`[wechat-access] 停止账号 ${accountId}`);
          // 始终停止当前闭包捕获的 client，避免多次 startAccount 时
          // wsClients 被新 client 覆盖后，旧 client 的 stop() 永远不被调用，导致无限重连
          client.stop();
          // 仅当 wsClients 中存的还是当前 client 时才删除，避免误删新 client
          if (wsClients.get(accountId) === client) {
            wsClients.delete(accountId);
            ctx.setStatus({ running: false });
          }
          resolve();
        });
      });
    },

    stopAccount: async (ctx: any) => {
      const { accountId, log } = ctx;
      log?.info(`[wechat-access] stopAccount 钩子触发，停止账号 ${accountId}`);
      const client = wsClients.get(accountId);
      if (client) {
        client.stop();
        wsClients.delete(accountId);
        ctx.setStatus({ running: false });
        log?.info(`[wechat-access] 账号 ${accountId} 已停止`);
      } else {
        log?.warn(`[wechat-access] stopAccount: 未找到账号 ${accountId} 的客户端`);
      }
    },
  },
};

const index = {
  id: "wechat-access-unqclawed",
  name: "通用通路插件",
  description: "腾讯通用通路插件",
  configSchema: emptyPluginConfigSchema(),

  /**
   * 插件注册入口点
   */
  register(api: OpenClawPluginApi) {
    // 1. 设置运行时环境
    setWecomRuntime(api.runtime);

    // 2. 注册渠道插件
    api.registerChannel({ plugin: tencentAccessPlugin as any });

    // 3. 注册 /wechat-login 命令（手动触发扫码登录）
    api.registerCommand?.({
      name: "wechat-login",
      description: "手动执行微信扫码登录，获取 channel token",
      handler: async ({ config }) => {
        const channelCfg = config?.channels?.["wechat-access-unqclawed"];
        const bypassInvite = channelCfg?.bypassInvite === true;
        const authStatePath = channelCfg?.authStatePath
          ? String(channelCfg.authStatePath)
          : undefined;
        const envName = channelCfg?.environment
          ? String(channelCfg.environment)
          : "production";

        const env = getEnvironment(envName);
        const guid = getDeviceGuid();

        try {
          const credentials = await performLogin({
            guid,
            env,
            bypassInvite,
            authStatePath,
          });
          return { text: `登录成功! token: ${credentials.channelToken.substring(0, 6)}... (已保存，重启 Gateway 生效)` };
        } catch (err) {
          return { text: `登录失败: ${err instanceof Error ? err.message : String(err)}`, isError: true };
        }
      },
    });

    // 4. 注册 /wechat-logout 命令（清除已保存的登录态）
    api.registerCommand?.({
      name: "wechat-logout",
      description: "清除已保存的微信登录态",
      handler: async ({ config }) => {
        const channelCfg = config?.channels?.["wechat-access-unqclawed"];
        const authStatePath = channelCfg?.authStatePath
          ? String(channelCfg.authStatePath)
          : undefined;
        clearState(authStatePath);
        return { text: "已清除登录态，下次启动将重新扫码登录。" };
      },
    });

    console.log("[wechat-access] 腾讯通路插件已注册");
  },
};

export default index;