num/client/pages/index/index.vue

<template>
  <view class="page-index">
    <!-- Hero header -->
    <view class="hero">
      <text class="hero-title">数字能量</text>
      <text class="hero-sub">输入出生信息，解锁专属命盘</text>
    </view>

    <!-- Birth input section -->
    <view class="input-section">
      <view class="input-card">
        <text class="label">姓名（选填）</text>
        <input
          class="input-field"
          v-model="name"
          placeholder="请输入姓名"
        />
        <text class="label mt-16">出生日期</text>
        <picker class="date-picker" mode="date" :value="birthday" :start="minDate" :end="maxDate" @change="onBirthdayChange">
          <view class="input-field date-field">
            <text class="date-val">{{ birthday }}</text>
            <text class="picker-arrow">▼</text>
          </view>
        </picker>
        <text class="label mt-16">想了解的问题（选填）</text>
        <view class="question-wrap">
          <textarea
            class="question-input"
            v-model="questions"
            maxlength="100"
            placeholder="例如：我的财运如何？最近适合换工作吗？感情方面有什么建议？"
          />
          <text class="char-counter">{{ questions.length }}/100</text>
        </view>
        <view class="quick-chips">
          <view
            v-for="q in quickQuestions"
            :key="q"
            class="chip"
            :class="{ active: questions === q }"
            @click="selectQuick(q)"
          >
            <text>{{ q }}</text>
          </view>
        </view>
        <button class="analyze-btn" @click="onAnalyze">开始咨询</button>

        <!-- US-4.1: Upgrade guide for free users -->
        <view v-if="!userStore.isVipActive" class="upgrade-banner" @click="goSubscribe">
          <text class="upgrade-banner-text">解锁无限解读 · 开通会员仅 ¥131/年 ›</text>
        </view>
      </view>
    </view>
  </view>
</template>

<script setup>
import { ref, computed } from 'vue'
import { useChartStore } from '@/stores/chart'
import { useUserStore } from '@/stores/user'
import { consultationApi } from '@/utils/api'

const store = useChartStore()
const userStore = useUserStore()
const name = ref('')
const birthday = ref('1990-01-01')
const questions = ref('')
const confirming = ref(false) // prevent double-click
const quickQuestions = ['职业发展', '财务分析', '感情运势', '健康建议']

// Capture referral code from shared link
onLoad((options) => {
  if (options.ref) {
    uni.setStorageSync('pending_referrer', options.ref.toUpperCase())
  }
})

// Date picker range: 1900-01-01 ~ today (US-1.2 §6)
const minDate = '1900-01-01'
const maxDate = computed(() => {
  const d = new Date()
  const y = d.getFullYear()
  const m = String(d.getMonth() + 1).padStart(2, '0')
  const day = String(d.getDate()).padStart(2, '0')
  return `${y}-${m}-${day}`
})

function selectQuick(q) {
  questions.value = questions.value === q ? '' : q
}

function onBirthdayChange(e) {
  birthday.value = e.detail.value
}

function parseBirthday(str) {
  const parts = str.split('-')
  return {
    year: parseInt(parts[0], 10),
    month: parseInt(parts[1], 10),
    day: parseInt(parts[2], 10)
  }
}

async function onAnalyze() {
  if (confirming.value) return
  const { year, month, day } = parseBirthday(birthday.value)

  if (!year || !month || !day) {
    uni.showToast({ title: '请选择出生日期', icon: 'none' })
    return
  }
  if (year < 1900 || year > new Date().getFullYear()) {
    uni.showToast({ title: '请输入正确的出生年份', icon: 'none' })
    return
  }
  if (month < 1 || month > 12) {
    uni.showToast({ title: '请输入正确的月份(1-12)', icon: 'none' })
    return
  }
  if (day < 1 || day > 31) {
    uni.showToast({ title: '请输入正确的日期(1-31)', icon: 'none' })
    return
  }

  const birthdayStr = birthday.value
  confirming.value = true

  try {
    // Check if this birthday has existing records — US-1.1 §7-9
    const isNew = await checkNewBirthday(birthdayStr)
    if (!isNew) {
      // Existing birthday — proceed directly (US-1.1 §7-8: returns existing record)
      confirming.value = false
      await proceedConsultation(year, month, day, birthdayStr)
      return
    }
  } catch (_e) {
    // If check fails (e.g. network), allow proceed without confirm
  }

  // New birthday — show confirm dialog (US-1.1 §9-11)
  uni.showModal({
    title: '确认咨询',
    content: '此生日将开启全新的命盘咨询，确认吗？',
    confirmText: '确认开启',
    cancelText: '再想想',
    success: async (res) => {
      confirming.value = false
      if (res.confirm) {
        await proceedConsultation(year, month, day, birthdayStr)
      }
      // res.cancel → stay on page, do nothing (US-1.1 §11)
    },
    fail: () => { confirming.value = false }
  })
}

async function checkNewBirthday(birthday) {
  try {
    const result = await consultationApi.check({ birthday })
    return !result.exists
  } catch {
    return false
  }
}

async function proceedConsultation(year, month, day, birthday) {
  const result = await store.startConsultation(name.value, birthday, questions.value)

  // Parse backend chart data into birth props for TriangleChart
  if (store.currentChart) {
    store.currentBirthYear = year
    store.currentBirthMonth = month
    store.currentBirthDay = day
  }

  // Navigate with recordId for URL shareability (US-1.1 §14)
  const recordId = store.currentRecordId || (result.record && result.record.id)
  const url = recordId
    ? `/pages/chart/index?recordId=${recordId}`
    : '/pages/chart/index'
  uni.navigateTo({ url })
}

function goSubscribe() {
  uni.navigateTo({ url: '/pages/subscribe/index' })
}
</script>

<style scoped lang="scss">
.page-index {
  min-height: 100vh;
  padding-bottom: 40px;
  background: linear-gradient(180deg, #0c0a1a 0%, #120d28 60%, #0f0c1e 100%);
}

/* Hero */
.hero {
  padding: 40px 20px 20px;
  text-align: center;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  color: #fbbf24;
  text-shadow: 0 0 30px rgba(251, 191, 36, 0.2);
  letter-spacing: 4px;
}

.hero-sub {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 2px;
}

/* Input card */
.input-section {
  padding: 0 16px;
}

.input-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 24px 20px;
  backdrop-filter: blur(10px);
}

.label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 8px;
  display: block;
  letter-spacing: 1px;
}

.input-field {
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 0 14px;
  font-size: 16px;
  width: 100%;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.04);
  box-sizing: border-box;
}

.mt-16 {
  margin-top: 16px;
  display: block;
}

/* Date picker */
.date-picker {
  width: 100%;
  display: block;
}
.date-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.date-val {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 2px;
}
.picker-arrow {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.3);
}

.question-wrap {
  position: relative;
}

.question-input {
  width: 100%;
  min-height: 80px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 12px 14px 28px;
  font-size: 14px;
  line-height: 1.5;
  box-sizing: border-box;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.04);
}

.char-counter {
  position: absolute;
  right: 10px;
  bottom: 8px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
}

.quick-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
}
.chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 6px 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}
.chip.active {
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.25);
  color: #fbbf24;
}

.analyze-btn {
  width: 100%;
  height: 46px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  line-height: 46px;
  letter-spacing: 2px;
  margin-top: 4px;
}

/* US-4.1: Upgrade guide banner */
.upgrade-banner {
  margin-top: 16px;
  text-align: center;
  padding: 12px;
  background: rgba(251, 191, 36, 0.06);
  border: 1px solid rgba(251, 191, 36, 0.1);
  border-radius: 10px;
}
.upgrade-banner-text {
  font-size: 13px;
  color: #fbbf24;
  font-weight: 500;
}
</style>