/**
 * 打印工具类
 * 集中管理所有打印相关功能
 */

// 打印模板映射表   .
const TEMPLATE_MAP = {
  // CLINIC_CHARGE: () => import('@/views/charge/cliniccharge/components/template.json'),
  // DISPOSAL: () => import('@/views/clinicmanagement/disposal/components/disposalTemplate.json'),
  //处方签
  PRESCRIPTION: () => import('@/components/Print/Prescription.json'),
  //处置单
  DISPOSAL: () => import('@/components/Print/Disposal.json'),
  //门诊日结
  DAY_END: () => import('@/components/Print/DailyOutpatientSettlement.json'),
  WESTERN_MEDICINE: () =>
    import('@/views/pharmacymanagement/westernmedicine/components/templateJson.json'),
  IN_HOSPITAL_DISPENSING: () =>
    import('@/views/drug/inHospitalDispensing/components/templateJson.json'),
  //门诊挂号
  OUTPATIENT_REGISTRATION: () => import('@/components/Print/OutpatientRegistration.json'),
  //门诊收费
  OUTPATIENT_CHARGE: () => import('@/components/Print/OutpatientBilling.json'),
  //门诊病历
  OUTPATIENT_MEDICAL_RECORD: () => import('@/components/Print/OutpatientMedicalRecord.json'),
  //门诊输液贴
  OUTPATIENT_INFUSION: () => import('@/components/Print/OutpatientInfusion.json'),
  //手术记录
  OPERATIVE_RECORD: () => import('@/components/Print/OperativeRecord.json'),

  //红旗门诊病历
  HQOUTPATIENT_MEDICAL_RECORD: () => import('@/components/Print/HQOutpatientMedicalRecord.json'),
  //预交金
  ADVANCE_PAYMENT: () => import('@/components/Print/AdvancePayment.json'),
  //中药处方单
  CHINESE_MEDICINE_PRESCRIPTION: () =>
    import('@/components/Print/ChineseMedicinePrescription.json'),
  //药房处方单
  PHARMACY_PRESCRIPTION: () => import('@/components/Print/Pharmacy.json'),
  //中药医生处方单
  DOC_CHINESE_MEDICINE_PRESCRIPTION: () =>
    import('@/components/Print/DocChineseMedicinePrescription.json'),
};

/**
 * 极简打印方法
 * @param {string} templateName 打印模板名称（常量或字符串）
 * @param {Array|Object} data 打印数据
 * @param {string} printerName 打印机名称（可选）
 * @param {Object} options 打印选项（可选）
 * @returns {Promise} 打印结果Promise
 */
export async function simplePrint(templateName, data, printerName, options = {}) {
  try {
    // 获取模板
    const template = await loadTemplate(templateName);

    // 执行打印，业务名称默认为模板名称
    return await executePrint(data, template, printerName, options, templateName);
  } catch (error) {
    console.error('打印失败:', error);
    throw error;
  }
}

/**
 * 加载打印模板
 * @param {string} templateName 模板名称
 * @returns {Promise<Object>} 模板对象
 */
async function loadTemplate(templateName) {
  // 如果是常量形式，获取实际的键名
  const templateKey = typeof templateName === 'symbol' ? templateName.description : templateName;

  if (!TEMPLATE_MAP[templateKey]) {
    throw new Error(`未找到打印模板: ${templateKey}`);
  }

  try {
    const templateModule = await TEMPLATE_MAP[templateKey]();
    return templateModule.default || templateModule;
  } catch (error) {
    console.error(`加载模板 ${templateKey} 失败:`, error);
    throw error;
  }
}

/**
 * 带打印机选择的极简打印方法
 * @param {string} templateName 打印模板名称
 * @param {Array|Object} data 打印数据
 * @param {Function} showPrinterDialog 显示打印机选择对话框的函数
 * @param {Object} modal 消息提示对象
 * @param {Function} callback 打印完成后的回调函数（可选）
 * @returns {Promise} 打印结果Promise
 */
export async function simplePrintWithDialog(
  templateName,
  data,
  showPrinterDialog,
  modal,
  callback
) {
  try {
    // 获取模板
    const template = await loadTemplate(templateName);

    // 执行打印
    await selectPrinterAndPrint(data, template, showPrinterDialog, modal, callback, templateName);
  } catch (error) {
    modal.msgError(error.message || '打印失败');
    if (callback) callback(error);
  }
}

// 导出模板名称常量
export const PRINT_TEMPLATE = {
  // CLINIC_CHARGE: 'CLINIC_CHARGE',
  DAY_END: 'DAY_END',
  WESTERN_MEDICINE: 'WESTERN_MEDICINE',
  IN_HOSPITAL_DISPENSING: 'IN_HOSPITAL_DISPENSING',
  //门诊挂号
  OUTPATIENT_REGISTRATION: 'OUTPATIENT_REGISTRATION',
  //门诊收费
  OUTPATIENT_CHARGE: 'OUTPATIENT_CHARGE',
  //处方签
  PRESCRIPTION: 'PRESCRIPTION',
  //处置单
  DISPOSAL: 'DISPOSAL',
  //门诊病历
  OUTPATIENT_MEDICAL_RECORD: 'OUTPATIENT_MEDICAL_RECORD',
  //门诊输液贴
  OUTPATIENT_INFUSION: 'OUTPATIENT_INFUSION',
  //手术记录
  OPERATIVE_RECORD: 'OPERATIVE_RECORD',
  //红旗门诊病历
  HQOUTPATIENT_MEDICAL_RECORD: 'HQOUTPATIENT_MEDICAL_RECORD',
  //预交金
  ADVANCE_PAYMENT: 'ADVANCE_PAYMENT',
  //中药处方单
  CHINESE_MEDICINE_PRESCRIPTION: 'CHINESE_MEDICINE_PRESCRIPTION',
  //药房处方单
  PHARMACY_PRESCRIPTION: 'PHARMACY_PRESCRIPTION',
  //中药医生处方单
  DOC_CHINESE_MEDICINE_PRESCRIPTION: 'DOC_CHINESE_MEDICINE_PRESCRIPTION',
};

/**
 * 获取打印机列表
 * @returns {Array} 打印机列表
 */
export function getPrinterList() {
  try {
    const printerList =
      window.hiprint && window.hiprint.hiwebSocket
        ? window.hiprint.hiwebSocket.getPrinterList()
        : [];
    return printerList || [];
  } catch (error) {
    console.error('获取打印机列表失败:', error);
    return [];
  }
}

import useUserStore from '@/store/modules/user';
import {ElMessage} from 'element-plus';

/**
 * 获取当前登录用户ID
 * @returns {string} 用户ID
 */
function getCurrentUserId() {
  try {
    // 从Pinia store中获取当前用户ID
    const userStore = useUserStore();
    return userStore.id || '';
  } catch (e) {
    console.error('获取用户ID失败:', e);
    return '';
  }
}

/**
 * 生成打印机缓存键
 * @param {string} businessName 打印业务名称
 * @returns {string} 缓存键
 */
function getPrinterCacheKey(businessName) {
  const userId = getCurrentUserId();
  return `selectedPrinter_${businessName || 'default'}_${userId}`;
}

/**
 * 从缓存获取上次选择的打印机
 * @param {string} businessName 打印业务名称
 * @returns {string} 打印机名称
 */
export function getCachedPrinter(businessName = 'default') {
  const cacheKey = getPrinterCacheKey(businessName);
  return localStorage.getItem(cacheKey) || '';
}

/**
 * 保存打印机选择到缓存
 * @param {string} printerName 打印机名称
 * @param {string} businessName 打印业务名称
 */
export function savePrinterToCache(printerName, businessName = 'default') {
  if (printerName) {
    const cacheKey = getPrinterCacheKey(businessName);
    localStorage.setItem(cacheKey, printerName);
  }
}

/**
 * 执行打印操作
 * @param {Array} data 打印数据
 * @param {Object} template 打印模板
 * @param {string} printerName 打印机名称（可选）
 * @param {Object} options 打印选项（可选）
 * @param {string} businessName 打印业务名称（可选）
 * @returns {Promise} 打印结果Promise
 */
export function executePrint(data, template, printerName, options = {}, businessName = 'default') {
  return new Promise((resolve, reject) => {
    try {
      if (!window.hiprint) {
        throw new Error('打印插件未加载');
      }

      const userStore = useUserStore();
      const processedTemplate = JSON.parse(
        JSON.stringify(template).replace(/{{HOSPITAL_NAME}}/g, userStore.hospitalName)
      );
      const hiprintTemplate = new window.hiprint.PrintTemplate({ template: processedTemplate });
      const printOptions = {
        title: '打印标题',
        height: 210,
        width: 148,
        ...options,
      };

      // 如果指定了打印机，添加到打印选项中
      if (printerName) {
        printOptions.printer = printerName;
        // 保存到缓存
        savePrinterToCache(printerName, businessName);
      }

      // 打印成功回调
      hiprintTemplate.on('printSuccess', function (e) {
        resolve({ success: true, event: e });
      });

      // 打印失败回调
      hiprintTemplate.on('printError', function (e) {
        reject({ success: false, event: e, message: '打印失败' });
      });

      // 执行打印
      hiprintTemplate.print2(data, printOptions);
    } catch (error) {
      reject({ success: false, error: error, message: error.message || '打印过程中发生错误' });
    }
  });
}

/**
 * 选择打印机并执行打印
 * @param {Array} data 打印数据
 * @param {Object} template 打印模板
 * @param {Function} showPrinterDialog 显示打印机选择对话框的函数
 * @param {Object} modal 消息提示对象
 * @param {Function} callback 打印完成后的回调函数
 * @param {string} businessName 打印业务名称（可选）
 */
export async function selectPrinterAndPrint(
  data,
  template,
  showPrinterDialog,
  modal,
  callback,
  businessName = 'default'
) {
  try {
    // 获取打印机列表
    const printerList = getPrinterList();

    if (printerList.length === 0) {
      modal.msgWarning('未检测到可用打印机');
      return;
    }

    // 获取缓存的打印机
    const cachedPrinter = getCachedPrinter(businessName);
    let selectedPrinter = '';

    // 判断打印机选择逻辑
    if (printerList.length === 1) {
      selectedPrinter = printerList[0].name;
      await executePrint(data, template, selectedPrinter, {}, businessName);
      if (callback) callback();
    } else if (cachedPrinter && printerList.some((printer) => printer.name === cachedPrinter)) {
      selectedPrinter = cachedPrinter;
      await executePrint(data, template, selectedPrinter, {}, businessName);
      if (callback) callback();
    } else {
      // 调用显示打印机选择对话框的函数
      showPrinterDialog(printerList, async (chosenPrinter) => {
        try {
          await executePrint(data, template, chosenPrinter, {}, businessName);
          if (callback) callback();
        } catch (error) {
          modal.msgError(error.message || '打印失败');
        }
      });
    }
  } catch (error) {
    modal.msgError(error.message || '获取打印机列表失败');
  }
}

// 预览打印
export function previewPrint(elementDom) {
  if (elementDom) {
    //初始化
    window.hiprint.init();
    const hiprintTemplate = new window.hiprint.PrintTemplate();
    // printByHtml为预览打印
    hiprintTemplate.printByHtml(elementDom, {});
  } else {
    ElMessage({
      type: 'error',
      message: '加载模版失败',
    });
  }
}

// 默认导出简化的打印方法
export default {
  print: simplePrint,
  printWithDialog: simplePrintWithDialog,
  TEMPLATE: PRINT_TEMPLATE,
  executePrint,
  selectPrinterAndPrint,
  getPrinterList,
  getCachedPrinter,
  savePrinterToCache,
};