import PrinterJobs from '@/components/print/printerjobs.js'
	import printerUtil from '@/components/print/printerutil.js'
	import util from '@/components/print/util.js'
	import drawQrcode from '@/components/print/weapp.qrcode.esm.js'
	import Bluetooth from '@/components/print/bluetooth.js'
	let bluetooth = new Bluetooth();
	let isPrint= false
	let data1 = {}
	export default {
			// onDone: 打印完成（或失败/跳过）后执行的回调，用于队列驱动
			getData(onDone) {
				var that = this;
				if(uni.getStorageSync('bluetoothDeviceId')){
					let id = uni.getStorageSync('bluetoothDeviceId')
					const baseUrl = getApp().globalData.mainurl
					uni.request({
						url: baseUrl + "/mall/order/detail/"+ getApp().globalData.printData[0].order_id,
						data: {},
						method:'GET',
						header: {
							"content-type": 'application/x-www-form-urlencoded',
							'accessToken':uni.getStorageSync('hiver_token')
						},
						success: function(res) {
							if (res.data.code == 200) {
								data1 = res.data.result
								that.bindViewTap(id, false, onDone)
							} else {
								uni.showToast({
									title: res.data.message,
									icon: 'none'
								});
								// 请求失败也需要通知队列继续处理下一条
								if (typeof onDone === 'function') onDone();
								return;
							}
							uni.hideLoading();
						},
						fail: function(err) {
							uni.hideLoading();
							// 请求失败也需要通知队列继续处理下一条
							if (typeof onDone === 'function') onDone();
						}
					})
				}else{
					uni.showModal({
						title: '提示',
						content: '您还没有连接打印机，将无法为您打印小票！',
						confirmText:'连接蓝牙',
						cancelText:'暂不连接',
						success: function (res) {
							if (res.confirm) {
								uni.navigateTo({
									url:'/pages/myCenter/setPrint'
								})
							}
							// 未连接打印机也通知队列继续（跳过当前条）
							if (typeof onDone === 'function') onDone();
						}
					});
				}
			},
			async bindViewTap(deviceId, state, onDone) {
				var _this = this;
				try {
					//1.链接设备
					await bluetooth.createBLEConnection(deviceId).then((res) => {
						bluetooth.deviceId = deviceId;
					}).catch((e) => {
						throw e;
					});

					let server = [];
					//2.寻找服务
					await bluetooth.getBLEDeviceServices().then((res) => {
						
						bluetooth.notifyId = '';
						bluetooth.writeId = '';
						bluetooth.num = 0;
						bluetooth.serviceList = res
					}).catch((e) => {
						throw e;
					});

					//3.获取蓝牙设备所有服务
					let result3 = await bluetooth.getBLEDeviceCharacteristics().then(res => {
						uni.setStorageSync('bluetoothDeviceId', deviceId);
						this.pickUpOnce(onDone)
					}).catch((e) => {
						throw e;
					});
				} catch (e) {
					// 蓝牙连接异常也需要通知队列继续
					if (typeof onDone === 'function') onDone();
				}
			},
			//打印一次
			pickUpOnce(onDone) {
				isPrint = true;
				bluetooth.notifyBLECharacteristicValue();
				let self = this;
				setTimeout(() => {
					self.writeBLECharacteristicValue(onDone);
				}, 500);
			},
			maskPhoneLastFour(phone) {
			  if (!phone) return '';
			  const str = String(phone);
			  if (str.length <= 4) return str; // 长度不足4位直接返回
			  return str.replace(/.(?=.{4})/g, '*');
			},
			//写入控制命令
			async writeBLECharacteristicValue(onDone) {
			    let printerJobs = new PrinterJobs();
			    
			    printerJobs.setAlign('ct').setSize(2, 2).setLineSpacing(60).print(
			        (data1.deliveryType == 1 && data1.orderType == 3 ? data1.deliveryInfo.numberCode :data1.numberCode) + (
			            (data1.status == 7 || data1.status == 11) ? '待退款' :
						data1.deliveryType == 1 && data1.orderType == 3 ? '面对面配送' :
			            data1.deliveryType == 1 ? '配送' :
			            data1.isPack == 0 ? '到店-堂食' :
			            data1.isPack == 1 ? '到店-打包' : '到店'
			        )
			    );
			    printerJobs.setSize(1, 1).setLineSpacing(40); 
			    
			    printerJobs.setAlign('lt').print(
			        '预计时间:' + (data1.deliveryInfo == null ? '暂无' : this.formatTime(data1.deliveryInfo.mustFinishTime))
			    );
			    printerJobs.setAlign('lt').print(data1.shopName);
			    
			    printerJobs.print(printerUtil.fillLine('-', 1, 32));
			    
			    printerJobs.setAlign('lt').setSize(2, 2).setLineSpacing(60).print(
			        data1.receiverName == null ? '暂无' : data1.receiverName
			    );
			    printerJobs.setSize(1, 1).setLineSpacing(40);
			    
			    printerJobs.setAlign('lt').print('联系电话: ' + this.maskPhoneLastFour(data1.receiverPhone));
			    
			    printerJobs.setAlign('lt').setSize(2, 2).setLineSpacing(60).print(
			        '地址:' + (data1.receiverAddress == null ? '暂无' : data1.receiverAddress)
			    );
			    printerJobs.setSize(1, 1).setLineSpacing(40);
			    
			    printerJobs.setAlign('lt').print('顾客电话已被隐藏，您可登录商家端或骑手端查看');
			    
			    printerJobs.print(printerUtil.fillLine('-', 1, 32));
			    
			    // 商品列表
			    for (var i = 0; i < data1.goodsList.length; i++) {
			        
					var productName = this.removeEmojis(data1.goodsList[i].productName)
			        printerJobs.setAlign('lt').setSize(2, 2).print(productName);
			        
			        if (data1.goodsList[i].specs) {
			            printerJobs.setSize(1, 1).print(this.delNode(data1.goodsList[i].specs));
			        }
					printerJobs.setSize(2, 2);
			        printerJobs.setAlign('lt').text('￥ ',data1.goodsList[i].price);
			        
			        printerJobs.text("                    ");
			        
			        printerJobs.print('X' + data1.goodsList[i].quantity);
			        
			        printerJobs.setSize(1, 1);
			    }
			    
			    printerJobs.print(printerUtil.fillLine('-', 1, 32));
			    
			    printerJobs.setAlign('lt').print('配送费：' + data1.deliveryFee);
			    printerJobs.print('合计金额：' + data1.totalAmount);
				printerJobs.setSize(2, 2).print('备注：' + data1.remark);
			    
			    printerJobs.setSize(1, 1).print(printerUtil.fillLine('-', 1, 32));
			    
			    printerJobs.setAlign('lt').print('商品取到后，如有任何商品问题，请及时联系商家和平台，客服将为您服务，客服电话 15533910775，谢谢您的惠顾');
			    
			    printerJobs.lineFeed(3);
			    
			    let buffer = printerJobs.buffer();
			    this.sendPrint(buffer, onDone);
			},
			// 去除字符串中的 Emoji 表情
			removeEmojis(str) {
			    if (!str) return '';
			    // 兼容性极好的 Emoji 正则表达式（支持各种运行环境，包括小程序和旧版浏览器）
			    var emojiRegex = /(?:[\u2700-\u27bf]|(?:\ud83c[\udde6-\uddff]){2}|[\ud800-\udbff][\udc00-\udfff]|[\u0023-\u0039]\ufe0f?\u20e3|\u3299|\u3297|\u303d|\u3030|\u24c2|\ud83c[\udd70-\udd71]|\ud83c[\udd7e-\udd7f]|\ud83c\udd8e|\ud83c[\udd91-\udd9a]|\ud83c[\udde6-\uddff]|\ud83c[\ude01-\ude02]|\ud83c\ude1a|\ud83c\ude2f|\ud83c[\ude32-\ude3a]|\ud83c[\ude50-\ude51]|\u203c|\u2049|[\u25aa-\u25ab]|\u25b6|\u25c0|[\u25fb-\u25fe]|\u00a9|\u00ae|\u2122|\u2139|\ud83c\udc04|[\u2600-\u26FF]|\u2b05|\u2b06|\u2b07|\u2b1b|\u2b1c|\u2b50|\u2b55|\u231a|\u231b|\u2328|\u23cf|[\u23e9-\u23f3]|[\u23f8-\u23fa]|\ud83c\udccf|\u2934|\u2935|[\u2190-\u21ff])/g;
			    return str.replace(emojiRegex, '');
			},
			formatTime(value) {
				if (!value) return '';
				if (value == '尽快送达') return '尽快送达';
				const date = new Date(value);
			
				// 获取年份
				const year = date.getFullYear();
			
				// 获取月份 (getMonth 返回 0-11，所以需要 +1)，并补齐0
				const month = String(date.getMonth() + 1).padStart(2, '0');
			
				// 获取日 (getDate)，并补齐0
				const day = String(date.getDate()).padStart(2, '0');
			
				// 获取小时 (getHours)，并补齐0
				const hour = String(date.getHours()).padStart(2, '0');
			
				// 获取分钟 (getMinutes)，并补齐0
				const minute = String(date.getMinutes()).padStart(2, '0');
			
				// 获取秒 (getSeconds)，并补齐0
				const second = String(date.getSeconds()).padStart(2, '0');
			
				// 拼接格式：年-月-日 时:分:秒
				return `${year}-${month}-${day} ${hour}:${minute}:${second}`;
			},
			delNode(data) {
				// 1. 统一转为字符串
				let str;
				if (typeof data === 'object' && data !== null) {
					// 对象或数组 → JSON 字符串
					str = JSON.stringify(data);
				} else if (typeof data === 'string') {
					str = data;
				} else {
					// 其他类型（数字、布尔等）先转字符串
					str = String(data);
				}
			
				// 2. 删除所有大括号 { } 和双引号 "
				const result = str.replace(/[{}"]/g, '');
				return result;
			},
			sendPrint(buffer, onDone) {
			    const maxChunk = 20; // 每次20字节
			    const delay = 50;    // 间隔50ms
			    isPrint = true;
			    
			    const totalLength = buffer.byteLength;
			    let currentIndex = 0;
			    
			    // 创建源数据的视图，方便读取
			    const srcView = new Uint8Array(buffer);
			    
			    const sendNextChunk = () => {
			        if (currentIndex >= totalLength) {
			            // 发送完毕
			            isPrint = false;
			            if (typeof onDone === 'function') onDone();
			            return;
			        }
			        
			        const end = Math.min(currentIndex + maxChunk, totalLength);
			        const chunkLength = end - currentIndex;
			        const valueToSend = new ArrayBuffer(chunkLength);
			        const dstView = new Uint8Array(valueToSend);
			        dstView.set(srcView.subarray(currentIndex, end));
			        bluetooth.writeBLECharacteristicValue(valueToSend).then(() => {
			            currentIndex = end;
			            setTimeout(sendNextChunk, delay);
			        }).catch((err) => {
			            
			            isPrint = false;
			            if (typeof onDone === 'function') onDone(err);
			        });
			    };
			    
			    // 开始发送第一个包
			    sendNextChunk();
			},
			sendPrintData(buffer) {
				bluetooth.writeBLECharacteristicValue(buffer).then(res => {});
			},
			startSearch(state) {
				let that = this
				bluetooth.openBluetoothAdapter().then(e => {
					
					uni.startBluetoothDevicesDiscovery({
						success: res => {
							uni.onBluetoothDeviceFound(result => {
								let arr = that.list;
								let devices = [];
								let list = result.devices;
								for (let i = 0; i < list.length; ++i) {
									if (list[i].name && list[i].name != "未知设备") {
										let arrNew = arr.filter((item) => {
											return item.deviceId == list[i].deviceId;
										});
										if (arrNew.length == 0) {
											devices.push(list[i]);
										}
										if (uni.getStorageSync('bluetoothDeviceId') == list[i]
											.deviceId) {
											// that.bindViewTap(list[i].deviceId, state)
										}
									}
								}
								that.list = arr.concat(devices);
							});
						},
						fail: res => { 
							uni.hideLoading();
							uni.showToast({
								title: `搜索设备失败` + JSON.stringify(err)
							})
						}
					})
				}).catch(e => {});
			},
			// 停止搜索
			stopSearch() {
				
				uni.hideLoading();
				bluetooth.stopBluetoothDevicesDiscovery();
			}
	}