<template>
	<view class="page">
		<!-- 当前手机号 -->
		<view class="current-phone">
			<view class="label">当前绑定手机号</view>
			<view class="phone">{{ currentPhone ? maskedPhone : '未绑定' }}</view>
		</view>

		<!-- 绑定新手机号 -->
		<view class="step-card">
			<view class="card-title">绑定新手机号</view>
			<view class="form-group">
				<text class="form-label"><text class="required">*</text> 新手机号</text>
				<u-input v-model="form.mobile" type="number" placeholder="请输入新手机号" maxlength="11"
					border="surround" />
			</view>
			<view class="form-group">
				<text class="form-label"><text class="required">*</text> 验证码</text>
				<view class="code-row">
					<view class="code-input">
						<u-input v-model="form.code" type="number" placeholder="请输入验证码" maxlength="6"
							border="surround" />
					</view>
					<u-button :disabled="!!countdown" :text="countdownText"
						size="normal" @click="handleSendCode"
						color="#0E63E3"
						:customStyle="{ width: '240rpx', flexShrink: 0 }" />
				</view>
			</view>
		</view>

		<view class="btn-wrap">
			<u-button text="确认修改" :loading="submitting" @click="handleSubmit"
				color="#0E63E3" size="large" />
		</view>

		<!-- 温馨提示 -->
		<view class="tips">
			<view class="tips-title">温馨提示</view>
			<view class="tips-list">
				<view class="tips-item">修改手机号后，后续相关短信通知将发送到新手机号</view>
			</view>
		</view>
	</view>
</template>

<script setup>
import { ref, computed } from 'vue'
import { onShow } from '@dcloudio/uni-app'
import { get, post } from '@/utils/request.js'
import { getUserInfo, setUserInfo } from '@/utils/cache.js'

const currentPhone = ref('')
const form = ref({ mobile: '', code: '' })
const countdown = ref(0)
const submitting = ref(false)
let timer = null

const maskedPhone = computed(() => {
	if (!currentPhone.value || currentPhone.value.length !== 11) return currentPhone.value || ''
	return currentPhone.value.slice(0, 3) + ' **** ' + currentPhone.value.slice(-4)
})

const countdownText = computed(() => {
	return countdown.value > 0 ? `${countdown.value}s后重新获取` : '获取验证码'
})

onShow(() => {
	const info = getUserInfo()
	currentPhone.value = info?.patient?.phone || ''
})

const handleSendCode = async () => {
	if (countdown.value > 0) return
	if (!form.value.mobile || !/^1[3-9]\d{9}$/.test(form.value.mobile)) {
		return uni.showToast({ title: '请输入正确的手机号', icon: 'none' })
	}
	if (form.value.mobile === currentPhone.value) {
		return uni.showToast({ title: '新手机号不能与当前手机号相同', icon: 'none' })
	}
	try {
		await post('/api/mp/sendSmsCode', { mobile: form.value.mobile, bizType: 'change_phone' })
		uni.showToast({ title: '验证码已发送', icon: 'success' })
		countdown.value = 60
		timer = setInterval(() => {
			countdown.value--
			if (countdown.value <= 0) {
				clearInterval(timer)
				timer = null
			}
		}, 1000)
	} catch (e) {
		if (e && e.msg) uni.showToast({ title: e.msg, icon: 'none' })
	}
}

const handleSubmit = async () => {
	if (!form.value.mobile || !/^1[3-9]\d{9}$/.test(form.value.mobile)) {
		return uni.showToast({ title: '请输入正确的手机号', icon: 'none' })
	}
	if (!form.value.code || !/^\d{6}$/.test(form.value.code)) {
		return uni.showToast({ title: '请输入6位验证码', icon: 'none' })
	}
	submitting.value = true
	try {
		await post('/api/mp/changePhone', { mobile: form.value.mobile, code: form.value.code })
		// 刷新用户信息
		const res = await get('/api/mp/userinfo')
		setUserInfo(res.data)
		uni.showToast({ title: '修改成功', icon: 'success' })
		setTimeout(() => uni.navigateBack(), 1500)
	} catch (e) {
		if (e && e.msg) uni.showToast({ title: e.msg, icon: 'none' })
	} finally {
		submitting.value = false
	}
}
</script>

<style lang="scss" scoped>
.page {
	min-height: 100vh;
	background: #f4f4f5;
	padding: 32rpx;
	padding-bottom: 60rpx;
}

.current-phone {
	background: #fff;
	border-radius: 8rpx;
	padding: 40rpx;
	text-align: center;
	border: 1rpx solid #ebeef5;
	margin-bottom: 32rpx;

	.label {
		font-size: 26rpx;
		color: #909399;
		margin-bottom: 16rpx;
	}

	.phone {
		font-size: 48rpx;
		font-weight: 600;
		color: #303133;
		letter-spacing: 4rpx;
	}
}

.step-card {
	background: #fff;
	border-radius: 8rpx;
	padding: 40rpx 32rpx;
	border: 1rpx solid #ebeef5;
}

.card-title {
	font-size: 32rpx;
	font-weight: 600;
	color: #303133;
	margin-bottom: 32rpx;
}

.form-group {
	margin-bottom: 32rpx;

	&:last-child {
		margin-bottom: 0;
	}
}

.form-label {
	font-size: 28rpx;
	color: #606266;
	margin-bottom: 16rpx;
	display: block;
}

.required {
	color: #3a85f0;
}

.code-row {
	display: flex;
	gap: 20rpx;
	align-items: stretch;

	.code-input {
		flex: 1;
		min-width: 0;
	}
}

.btn-wrap {
	padding-top: 48rpx;
}

.tips {
	margin-top: 32rpx;
	padding: 32rpx;
	background: #fff;
	border-radius: 8rpx;
	border: 1rpx solid #ebeef5;

	.tips-title {
		font-size: 28rpx;
		font-weight: 600;
		color: #303133;
		margin-bottom: 20rpx;
	}

	.tips-list {
		padding-left: 8rpx;
	}

	.tips-item {
		font-size: 26rpx;
		color: #909399;
		line-height: 1.8;
		padding-left: 20rpx;
		position: relative;

		&::before {
			content: '·';
			position: absolute;
			left: 0;
		}
	}
}
</style>
