<template>
	<view>
		<view class="record-btn" @longpress="startRecord" @touchstart="touchStart" @touchmove="touchMove" @touchend="endRecord" hover-class="record-btn-hover" hover-start-time="200" hover-stay-time="150" :style="[btnStyle, { '--btn-hover-fontcolor': btnHoverFontcolor, '--btn-hover-bgcolor': btnHoverBgcolor }]">
			<image v-if="btnIconShow" :src="btnIconSrc" :style="[btnIconStyle]"></image>
			<text>{{ btnTextContent }}</text>
		</view>
		<view class="record-popup" :style="{ '--popup-height': popupHeight, '--popup-width': upx2px(popupMaxWidth), '--popup-bottom': upx2px(popupFixBottom), '--popup-bg-color': popupBgColor }">
			<view class="inner-content" v-if="recordPopupShow">
				<view class="title">{{ popupTitle }}</view>
				<view class="recordTime" v-if="isShowRecordTime">{{'已录时长：' + recordTime + 's'}}</view>
				<view class="voice-line-wrap" v-if="recording" :style="{ '--line-height': upx2px(lineHeight), '--line-start-color': lineStartColor, '--line-end-color': lineEndColor }">
					<view class="voice-line one"></view>
					<view class="voice-line two"></view>
					<view class="voice-line three"></view>
					<view class="voice-line four"></view>
					<view class="voice-line five"></view>
					<view class="voice-line six"></view>
					<view class="voice-line seven"></view>
					<view class="voice-line six"></view>
					<view class="voice-line five"></view>
					<view class="voice-line four"></view>
					<view class="voice-line three"></view>
					<view class="voice-line two"></view>
					<view class="voice-line one"></view>
				</view>
				<view class="cancel-icon" v-if="!recording">+</view>
				<view class="tips">{{ recording ? popupDefaultTips : popupCancelTips }}</view>
			</view>
		</view>
	</view>
</template>
<script>
	var that;
	const recorderManager = uni.getRecorderManager();
	// #ifdef APP-PLUS
	// 引入权限判断
	import permision from '../../js_sdk/wa-permission/permission.js';
	// #endif
	export default {
		name: 'nbVoiceRecord',
		/**
		 * 录音交互动效组件
		 * @property {Object} recordOptions 录音配置
		 * @property {Object} btnStyle 按钮样式
		 * @property {Object} btnHoverFontcolor 按钮长按时字体颜色
		 * @property {String} btnHoverBgcolor 按钮长按时背景颜色
		 * @property {String} btnDefaultText 按钮初始文字
		 * @property {String} btnRecordingText 录制时按钮文字
		 * @property {Boolean} btnIconShow 按钮图标是否显示
		 * @property {String} btnIconSrc 按钮图标路径
		 * @property {Object} btnIconStyle 按钮图标路径样式
		 * @property {Boolean} vibrate 弹窗时是否震动
		 * @property {String} popupTitle 弹窗顶部文字
		 * @property {String} popupDefaultTips 录制时弹窗底部提示
		 * @property {String} popupCancelTips 滑动取消时弹窗底部提示
		 * @property {String} popupMaxWidth 弹窗展开后宽度
		 * @property {String} popupMaxHeight 弹窗展开后高度
		 * @property {String} popupFixBottom 弹窗展开后距底部高度
		 * @property {String} popupBgColor 弹窗背景颜色
		 * @property {String} lineHeight 声波高度
		 * @property {String} lineStartColor 声波波谷时颜色色值
		 * @property {String} lineEndColor 声波波峰时颜色色值
		 * @property {Boolean} isShowRecordTime 是否在弹窗中显示录音时长
		 * @event {Function} startRecord 开始录音回调
		 * @event {Function} endRecord 结束录音回调
		 * @event {Function} cancelRecord 滑动取消录音回调
		 * @event {Function} stopRecord 主动停止录音
		 */
		props: {
			recordOptions: {
				type: Object,
				default () {
					return {
						duration: 600000,
						format: 'mp3'
					}; // 请自行查看各端的的支持情况，这里全部使用默认配置
				}
			},
			btnStyle: {
				type: Object,
				default () {
					return {
						width: '200rpx',
						height: '48rpx',
						borderRadius: '20rpx',
						backgroundColor: '#3E6EFF',
						color: '#fff',
						border: '1rpx solid whitesmoke',
						permisionState: false
					};
				}
			},
			btnIconShow:{
				type: Boolean,
				default: false
			},
			btnIconSrc: {
				type: String,
				default: ''
			},
			btnIconStyle: {
				type: Object,
				default () {
					return {
						width: '30rpx',
						height: '30rpx',
						marginRight: '10rpx'
					};
				}
			},
			btnHoverFontcolor: {
				type: String,
				default: '#fff' // 颜色名称或16进制色值
			},
			btnHoverBgcolor: {
				type: String,
				default: '#3e6ffd' // 颜色名称或16进制色值
			},
			btnDefaultText: {
				type: String,
				default: '长按开始录音'
			},
			btnRecordingText: {
				type: String,
				default: '录音中'
			},
			vibrate: {
				type: Boolean,
				default: true
			},
			popupTitle: {
				type: String,
				default: '正在录制音频'
			},
			popupDefaultTips: {
				type: String,
				default: '左右滑动后松手完成录音'
			},
			popupCancelTips: {
				type: String,
				default: '松手取消录音'
			},
			popupMaxWidth: {
				type: Number,
				default: 600 // 单位为rpx
			},
			popupMaxHeight: {
				type: Number,
				default: 300 // 单位为rpx
			},
			popupFixBottom: {
				type: Number,
				default: 200 // 单位为rpx
			},
			popupBgColor: {
				type: String,
				default: 'whitesmoke'
			},
			lineHeight: {
				type: Number,
				default: 50 // 单位为rpx
			},
			lineStartColor: {
				type: String,
				default: 'royalblue' // 颜色名称或16进制色值
			},
			lineEndColor: {
				type: String,
				default: 'indianred' // 颜色名称或16进制色值
			},
			isShowRecordTime: {
				type: Boolean,
				default: false // 是否在弹窗中显示录音时长
			}
		},
		data() {
			return {
				stopStatus: false, // 是否已被父页面通知主动结束录音
				btnTextContent: this.btnDefaultText,
				startTouchData: {},
				popupHeight: '0px', // 这是初始的高度
				recording: true, // 录音中
				recordPopupShow: false,
				recordTimeout: null, // 录音定时器
				recordTimeInterval: null, // 录音时长定时器
				recordTime: 0, // 实时录音时长
			};
		},
		created() {
			that = this;

			// 请求权限
			this.checkPermission();

			recorderManager.onStop(res => {
				// 判断是否用户主动结束录音
				if (that.recordTimeout !== null) {
					// 延时未结束，则是主动结束录音
					clearTimeout(that.recordTimeout);
					that.recordTimeout = null; // 恢复状态
				}

				// 结束实时录音时长定时器
				clearInterval(that.recordTimeInterval);
				that.recordTimeInterval = null;
				that.recordTime = 0;

				// 继续判断是否为取消录音
				if (that.recording) {
					that.$emit('endRecord', res);
				} else {
					// 用户向上滑动，此时松手后响应的是取消录音的回调
					that.recording = true; // 恢复状态
					that.$emit('cancelRecord');
				}
			});

			recorderManager.onError(err => {
				console.log('err:', err);
			});
		},
		computed: {},
		methods: {
			upx2px(upx) {
				return uni.upx2px(upx) + 'px';
			},
			async checkPermission() {
				// #ifdef APP-PLUS
				// 先判断os
				let os = uni.getSystemInfoSync().osName;
				if (os == 'ios') {
					this.permisionState = await permision.judgeIosPermission('record');
				} else {
					this.permisionState = await permision.requestAndroidPermission('android.permission.RECORD_AUDIO');
				}
				if (this.permisionState !== true && this.permisionState !== 1) {
					uni.showToast({
						title: '请先授权使用录音',
						icon: 'none'
					});
					return;
				}
				// #endif

				// #ifndef APP-PLUS
				uni.authorize({
					scope: 'scope.record',
					success: () => {
						this.permisionState = true;
					},
					fail() {
						uni.showModal({
							title: '请求授权使用录音',
							content: '录音需要使用您的麦克风，请前往授权',
							success: (res) => {
								if (res.confirm) {
									uni.openSetting(); // 打开地图权限设置
								} else if (res.cancel) {
									uni.showToast({
										title: '如需使用录音，请前往设置授权',
										icon: 'none',
										duration: 3000
									});
								}
							}
						});
					}
				});
				// #endif
			},

			startRecord() {
				if (!this.permisionState) {
					this.checkPermission();
					return;
				}
				this.stopStatus = false;
				setTimeout(() => {
					this.popupHeight = this.upx2px(this.popupMaxHeight);
					setTimeout(() => {
						this.recordPopupShow = true;
						this.btnTextContent = this.btnRecordingText;
						if (this.vibrate) {
							// #ifdef APP-PLUS
							plus.device.vibrate(35);
							// #endif
							// #ifdef MP-WEIXIN
							uni.vibrateShort();
							// #endif
						}
						// 开始录音
						recorderManager.start(this.recordOptions);
						// 设置定时器
						this.recordTimeout = setTimeout(
							() => {
								// 如果定时器先结束，则说明此时录音时间超限
								this.stopRecord(); // 结束录音动画（实际上录音的end回调已经先执行）
								this.recordTimeout = null; // 重置
							},
							this.recordOptions.duration ? this.recordOptions.duration : 600000
						);
						// 设置定时器显示录音时长
						this.recordTimeInterval = setInterval(() => {
							this.recordTime++;
						}, 1000)

						this.$emit('startRecord');
					}, 100);
				}, 200);
			},
			endRecord() {
				if (this.stopStatus) {
					return;
				}
				this.popupHeight = '0px';
				this.recordPopupShow = false;
				this.btnTextContent = this.btnDefaultText;
				recorderManager.stop();
			},
			stopRecord() {
				// 用法如你录音限制了时间，那么将在结束时强制停止组件的显示
				this.endRecord();
				this.stopStatus = true;
			},
			touchStart(e) {
				this.startTouchData.clientX = e.changedTouches[0].clientX; //手指按下时的X坐标
				this.startTouchData.clientY = e.changedTouches[0].clientY; //手指按下时的Y坐标
			},
			touchMove(e) {
				let touchData = e.touches[0]; //滑动过程中，手指滑动的坐标信息 返回的是Objcet对象
				let moveX = touchData.clientX - this.startTouchData.clientX;
				let moveY = touchData.clientY - this.startTouchData.clientY;
				if (moveY < -50) {
					if (this.vibrate && this.recording) {
						// #ifdef APP-PLUS
						plus.device.vibrate(35);
						// #endif
						// #ifdef MP-WEIXIN
						uni.vibrateShort();
						// #endif
					}
					this.recording = false;
				} else {
					this.recording = true;
				}
			}
		}
	};
</script>
<style lang="scss">
	.record-btn {
		color: #000;
		font-size: 24rpx;
		display: flex;
		align-items: center;
		justify-content: center;
		transition: 0.25s all;
		border: 1rpx solid whitesmoke;
	}

	.record-btn-hover {
		color: var(--btn-hover-fontcolor) !important;
		background-color: var(--btn-hover-bgcolor) !important;
	}

	.record-popup {
		position: absolute;
		bottom: var(--popup-bottom);
		left: calc(50vw - calc(var(--popup-width) / 2));
		z-index: 9;
		width: var(--popup-width);
		height: var(--popup-height);
		display: flex;
		align-items: center;
		justify-content: center;
		border-radius: 10rpx;
		box-shadow: 0 5rpx 10rpx 0 rgba(0, 0, 0, 0.2);
		background: var(--popup-bg-color);
		color: #000;
		transition: 0.2s height;

		.inner-content {
			height: var(--popup-height);
			font-size: 24rpx;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: space-between;

			.title {
				font-weight: bold;
				padding: 20rpx 0;
			}

			.recordTime {
				padding-bottom: 20rpx;
				color: #999;
			}

			.tips {
				color: #999;
				padding: 20rpx 0;
			}
		}
	}

	.cancel-icon {
		width: 100rpx;
		height: 100rpx;
		display: flex;
		align-items: center;
		justify-content: center;
		color: #fff;
		font-size: 44rpx;
		line-height: 44rpx;
		background-color: pink;
		border-radius: 50%;
		transform: rotate(45deg);
	}

	.voice-line-wrap {
		display: flex;
		align-items: center;

		.voice-line {
			width: 5rpx;
			height: var(--line-height);
			border-radius: 3rpx;
			margin: 0 5rpx;
		}

		.one {
			animation: wave 0.4s 1s linear infinite alternate;
		}

		.two {
			animation: wave 0.4s 0.9s linear infinite alternate;
		}

		.three {
			animation: wave 0.4s 0.8s linear infinite alternate;
		}

		.four {
			animation: wave 0.4s 0.7s linear infinite alternate;
		}

		.five {
			animation: wave 0.4s 0.6s linear infinite alternate;
		}

		.six {
			animation: wave 0.4s 0.5s linear infinite alternate;
		}

		.seven {
			animation: wave 0.4s linear infinite alternate;
		}
	}

	@keyframes wave {
		0% {
			transform: scale(1, 1);
			background-color: var(--line-start-color);
		}

		100% {
			transform: scale(1, 0.2);
			background-color: var(--line-end-color);
		}
	}
</style>