<template>
	<view class="container">
		<view class="record-btn-layer">
			<button
				:class="[longPress === '1' ? 'record-btn-1' : 'record-btn-2', VoiceTitle === '松开手指,取消录音' ? 'record-btn-3' : '']"
				@longpress="longpressBtn"
				@touchend="touchendBtn"
				@touchmove="handleTouchMove"
			>
				<text>{{ VoiceText }}</text>
			</button>
		</view>
		<!-- 语音音阶动画 -->
		<view :class="VoiceTitle != '松开手指,取消录音' ? 'prompt-layer prompt-layer-1' : 'prompt-layer1 prompt-layer-1'" v-if="longPress == '2'">
			<view class="prompt-loader">
				<view class="em" v-for="(item, index) in 15" :key="index"></view>
			</view>
			<text class="span">{{ VoiceTitle }}</text>
		</view>
	</view>
</template>
<script>
export default {
	data() {
		return {
			// 1显示 按住说话 2显示 说话中
			longPress: '1',
			//录音时长
			recordingTime: 0,
			// 定时器标识
			recordingTimer: null,
			//录音最大值ms 60000/1分钟
			duration: 60000,
			//音频路径
			tempFilePath: '',
			//记录长按录音开始点信息,用于后面计算滑动距离。
			startPoint: {},
			//发送锁，当为true时上锁，false时解锁发送
			sendLock: true,
			VoiceTitle: '松手结束录音',
			VoiceText: '按住说话',
			recorderManager: uni.getRecorderManager()
		}
	},
	methods: {
		// 长按录音事件
		longpressBtn(e) {
			//记录长按时开始点信息，后面用于计算上划取消时手指滑动的距离
			this.startPoint = e.touches[0]
			this.longPress = '2'
			this.VoiceText = '说话中...'

			this.recordingTime = 0
			this.recordingTimer = setInterval(() => {
				this.recordingTime++
			}, 1000)
			this.recorderManager.onStop((res) => {
				// console.log(res);
				this.tempFilePath = res.tempFilePath
			})
			const options = {
				duration: this.duration, // 指定录音的时长，单位 ms
				sampleRate: 16000, // 采样率
				numberOfChannels: 1, // 录音通道数
				encodeBitRate: 96000, // 编码码率
				format: 'mp3', // 音频格式，有效值 aac/mp3
				frameSize: 10 // 指定帧大小，单位 KB
			}
			this.recorderManager.start(options)
			// 监听音频开始事件
			this.sendLock = false //长按时是不上锁的。
			this.recorderManager.onStart((res) => {})
		},
		// 长按松开录音事件
		touchendBtn() {
			this.longPress = '1'
			this.VoiceText = '按住说话'
			this.VoiceTitle = '松手结束录音'
			this.recorderManager.onStop((res) => {
				// console.log(this.sendLock)
				clearInterval(this.recordingTimer)
				if (this.sendLock) {
					//上锁不发送
				} else {
					//解锁发送，发送网络请求
					if (res.duration < 1000)
						uni.showToast({
							title: '录音时间太短',
							icon: 'none',
							duration: 1000
						})
					else {
						this.tempFilePath = res.tempFilePath
						this.$emit('getTempFilePath', this.tempFilePath, this.recordingTime)
						// uploadFile({
						// 	url: '/voice/VoiceControl',
						// 	src: res.tempFilePath,
						// }).then(res => {
						// 	console.log(JSON.parse(res.data));
						// })
					}
				}
			})
			this.recorderManager.stop() //结束录音
		},
		// 取消录音
		handleTouchMove(e) {
			//touchmove时触发
			var moveLenght = e.touches[e.touches.length - 1].clientY - this.startPoint.clientY //移动距离
			if (Math.abs(moveLenght) > 70) {
				this.VoiceTitle = '松开手指,取消录音'
				this.VoiceText = '松开手指,取消录音'
				//触发了上滑取消录音，上锁
				this.sendLock = true
			} else {
				this.VoiceTitle = '松手结束录音'
				this.VoiceText = '松手结束录音'
				//上划距离不足，依然可以发送，不上锁
				this.sendLock = false
			}
		}
	}
}
</script>
<style lang="scss" scoped>
.container {
	width: 100%;
	height: 100%;

	.record-btn-layer {
		display: flex;
		justify-content: center;
		align-items: center;
		width: 100%;
		height: 100%;

		button {
			width: 50%;
			height: 50px;
			line-height: 50px;
			text-align: center;
			font-size: 14px;
			border-radius: 8px;
			transition: all 0.1s;
		}

		button::after {
			border: none;
			transition: all 0.1s;
		}

		.record-btn-1 {
			background-color: #6fb6b8;
			color: #fff;
		}

		.record-btn-2 {
			color: #0061ff;
			transition: all 0.3s;
		}

		.record-btn-3 {
			background-color: #fb5353;
			color: white;
		}
	}
}

/* 提示小弹窗 */
.prompt-layer {
	border-radius: 15px;
	background: #95eb6c;
	padding: 8px 16px;
	box-sizing: border-box;
	position: absolute;
	left: 50%;
	height: 11vh;
	transform: translateX(-50%);
	transition: all 0.3s;
}

.prompt-layer::after {
	content: '';
	display: block;
	border: 12px solid rgba(0, 0, 0, 0);
	border-radius: 10rpx;
	border-top-color: #95eb6c;
	position: absolute;
	bottom: -46rpx;
	left: 50%;
	transform: translateX(-50%);
	transition: all 0.3s;
}
//取消动画
.prompt-layer1 {
	border-radius: 15px;
	background: #fb5353;
	padding: 8px 16px;
	box-sizing: border-box;
	position: absolute;
	left: 50%;
	height: 11vh;
	transform: translateX(-50%);
	transition: all 0.3s;
}

.prompt-layer1::after {
	content: '';
	display: block;
	border: 12px solid rgba(0, 0, 0, 0);
	border-radius: 10rpx;
	border-top-color: #fb5353;
	position: absolute;
	bottom: -46rpx;
	left: 50%;
	transform: translateX(-50%);
	transition: all 0.3s;
}
.prompt-layer-1 {
	font-size: 12px;
	width: 150px;
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	top: -400rpx;

	.p {
		color: #000000;
	}

	.span {
		color: rgba(0, 0, 0, 0.6);
	}
}

/* 语音音阶------------- */
.prompt-loader {
	width: 96px;
	height: 20px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 6px;
}

.prompt-loader .em {
	display: block;
	background: #333333;
	width: 1px;
	height: 10%;
	margin-right: 2.5px;
	float: left;
}

.prompt-loader .em:last-child {
	margin-right: 0px;
}

.prompt-loader .em:nth-child(1) {
	animation: load 2.5s 1.4s infinite linear;
}

.prompt-loader .em:nth-child(2) {
	animation: load 2.5s 1.2s infinite linear;
}

.prompt-loader .em:nth-child(3) {
	animation: load 2.5s 1s infinite linear;
}

.prompt-loader .em:nth-child(4) {
	animation: load 2.5s 0.8s infinite linear;
}

.prompt-loader .em:nth-child(5) {
	animation: load 2.5s 0.6s infinite linear;
}

.prompt-loader .em:nth-child(6) {
	animation: load 2.5s 0.4s infinite linear;
}

.prompt-loader .em:nth-child(7) {
	animation: load 2.5s 0.2s infinite linear;
}

.prompt-loader .em:nth-child(8) {
	animation: load 2.5s 0s infinite linear;
}

.prompt-loader .em:nth-child(9) {
	animation: load 2.5s 0.2s infinite linear;
}

.prompt-loader .em:nth-child(10) {
	animation: load 2.5s 0.4s infinite linear;
}

.prompt-loader .em:nth-child(11) {
	animation: load 2.5s 0.6s infinite linear;
}

.prompt-loader .em:nth-child(12) {
	animation: load 2.5s 0.8s infinite linear;
}

.prompt-loader .em:nth-child(13) {
	animation: load 2.5s 1s infinite linear;
}

.prompt-loader .em:nth-child(14) {
	animation: load 2.5s 1.2s infinite linear;
}

.prompt-loader .em:nth-child(15) {
	animation: load 2.5s 1.4s infinite linear;
}

@keyframes load {
	0% {
		height: 10%;
	}

	50% {
		height: 100%;
	}

	100% {
		height: 10%;
	}
}

/* 语音音阶-------------------- */
.prompt-layer-2 {
	top: -40px;

	.text {
		color: rgba(0, 0, 0, 1);
		font-size: 12px;
	}
}
</style>
