// src/utils/hiprintPrinter.ts
import { io, Socket } from "socket.io-client";
import { ElMessage, ElMessageBox } from 'element-plus'
import { usePrintStore } from '@/store/modules/printStore'
import { onUnmounted } from "vue"
// @ts-ignore
import Download from '@/plugins/download';
// ... 类型定义 ...
type PrinterInfo = {
  name: string;
  isDefault?: boolean;
  [key: string]: any;
};


interface ClientInfo {
  id?: string;
  version?: string;
  os?: string;
  [key: string]: string | number | boolean | undefined;
}

type OnPrinterUpdate = (printerList: PrinterInfo[]) => void;
let socket: Socket | null = null;

let clientInfo: ClientInfo | null = null;
// 初始化 Socket 连接
function initSocket(onPrinterUpdate?: OnPrinterUpdate) {
  const printStore = usePrintStore();

  if (socket) {
    socket.disconnect();
  }

  socket = io("http://localhost:17521", {
    transports: ["websocket"],
    reconnection: false, //闭自动重连
    auth: {
      token: "vue-plugin-hiprint",
    },
  });
  // 连接成功
  socket.on("connect", () => {
    printStore.setConnected(true);
    console.log("✅ 已连接 electron-hiprint 客户端");
    socket?.emit("getClientInfo");
    socket?.emit("refreshPrinterList");
  });
  // 客户端信息
  socket.on("clientInfo", (info: ClientInfo) => {
    printStore.setClientInfo(info);
    console.log("📱 客户端信息：", info);
  });
  // 打印机列表 （更新默认打印机）
  socket.on("printerList", (list: PrinterInfo[]) => {
    printStore.setPrinterList(list);
    onPrinterUpdate?.(list);
    console.log("🖨️  打印机列表更新：", list);
  });
  // 连接断开
  socket.on("disconnect", (reason: string) => {
    printStore.setConnected(false);
    console.error("❌ 客户端连接断开：", reason);
    if (reason === "io server disconnect") {
      socket?.connect();
    }
  });

  socket.on("connect_error", (err: Error) => {
    console.log('连接错误', err);
    ElMessageBox.alert(
      `连接失败！<br>请确保目标服务器已<a style="color: #1f79db" onclick="downExe()">下载安装</a> 并<a style="color: #1f79db" onclick="yxHiprint()"> 运行 </a> 打印服务！`,
      "客户端未连接",
      {
        dangerouslyUseHTMLString: true,
      }
    )
    printStore.setConnected(false);
    socket?.close();
  });


}


const downExe = () => {
  // 下载逻辑实现
  // console.log('开始下载打印服务');
  Download.name('hiprint_win_x64-1.0.13.exe', false)
};
const yxHiprint = () => {
  //  唤起客户端
  window.open("hiprint://");
};

// 挂载到window，使其能被全局访问
(window as any).downExe = downExe;
(window as any).yxHiprint = yxHiprint;


// 自定义打印参数（可选）
interface PrintOptions {
  orientation?: "portrait" | "landscape"; // 纵向（landscape=横向）
  copies?: number;
  monochrome?: boolean; // 是否黑白打印
  paperName?: 'A2' | 'A3' | 'A4' | 'A5' | 'A6' | 'letter' | 'legal' | 'tabloid' | 'statement'; //纸张大小
}
/**
 * 执行批量静默打印
 * @param urls PDF文件URL数组
 * @param options 打印选项（可选）
 */
function silentPrint(urls: string[], options?: PrintOptions) {
  if (urls.length === 0) return ElMessage.error('没有打印数据');
  const printStore = usePrintStore();
  const handlePrint = () => {
    ElMessage.success('正在打印文件，请稍候...');
    urls.forEach(url => silentPrintPdf(url, options));
  };

  // 已连接直接打印，未连接则初始化后打印
  if (printStore.isConnected) {
    handlePrint();
  } else {
    initSocket((printerList) => {
      if (printerList.length > 0) {
        handlePrint();
      } else {
        ElMessage.warning('未检测到可用打印机');
      }
    });
  }
}

//静默打印单个PDF文件
function silentPrintPdf(url: string, options?: PrintOptions) {
  const printStore = usePrintStore();
  const templateId = `pdf-print-${Date.now()}`;
  const targetPrinter = printStore.defaultPrinter;
  if (!targetPrinter) {
    console.log("未检测到打印机，请先连接打印机！");
    return;
  }
  socket?.emit("news", {
    client: clientInfo,
    printer: targetPrinter,
    type: "url_pdf",
    templateId: templateId,
    pdf_path: url,
  });
  // console.log(`🚀 PDF打印请求已发送，任务ID：${templateId}，打印机：${targetPrinter}`);

}
// 销毁
function destroy() {
  const printStore = usePrintStore();
  if (socket) {
    socket.disconnect();
    socket = null;
    printStore.setConnected(false);
    console.log("🔌 已断开与 electron-hiprint 的连接");
  }
}

// 更新 getter 函数以从 store 获取值
export const HiprintPrinter = {
  initSocket,
  silentPrint,
  silentPrintPdf,
  destroy,
  get isConnected() {
    const printStore = usePrintStore();
    return printStore.isConnected;
  },
  get clientInfo() {
    const printStore = usePrintStore();
    return printStore.clientInfo;
  },
  get printerList() {
    const printStore = usePrintStore();
    return printStore.printerList;
  },
  get defaultPrinter() {
    const printStore = usePrintStore();
    return printStore.defaultPrinter;
  },
};

onUnmounted(() => {
  if ('downExe' in window) {
    delete (window as any).downExe;
  }
});