<script setup lang="ts">
import { ref, onMounted, computed } from 'vue';
import { useRouter, RouterLink } from 'vue-router';
import { useI18n } from 'vue-i18n';
import api from '../api';
import { formatMoney } from '../utils/localeDisplay';
import LocaleFlag from '../components/LocaleFlag.vue';
import { useAuthStore } from '../stores/auth';
import { useAppLocale } from '../composables/useAppLocale';
import GoldSpinner from '../components/GoldSpinner.vue';
import { usePullToRefresh } from '../composables/usePullToRefresh';
import walletBg from '../assets/images/wallet-bg.png';

const { t, locale } = useI18n();
const router = useRouter();
const auth = useAuthStore();
const { locales, setLocale, initFromUser } = useAppLocale();

const profile = ref<{
  username?: string;
  wallet?: { availableBalance: string; frozenBalance: string };
} | null>(null);

const loading = ref(true);
const error = ref(false);
const rulesExpanded = ref(false);
const cashbackTotal = ref('0');

const displayAmount = ref(0);
const animating = ref(false);

async function fetchProfile() {
  loading.value = true;
  error.value = false;
  try {
    const { data } = await api.get('/player/profile');
    profile.value = data.data;
    initFromUser(data.data?.locale);
    // Fetch cashback total in parallel
    void fetchCashbackTotal();
  } catch {
    error.value = true;
  } finally {
    loading.value = false;
  }
}

async function fetchCashbackTotal() {
  try {
    const { data } = await api.get('/player/wallet/transactions/stats');
    const byType = data.data?.byType ?? [];
    let sum = 0;
    for (const g of byType) {
      if (['CASHBACK', 'CASHBACK_DEPOSIT'].includes(g.transactionType?.toUpperCase())) {
        sum += Math.abs(parseFloat(g.totalAmount ?? '0'));
      }
    }
    cashbackTotal.value = sum.toString();
  } catch {
    // Ignore errors, keep default value
  }
}

onMounted(() => {
  void fetchProfile();
});

const { pullDistance, refreshing, spinning, progress } = usePullToRefresh({
  onRefresh: async () => { await fetchProfile(); },
});

const pullIndicatorStyle = () => ({
  height: `${pullDistance.value}px`,
  opacity: Math.min(pullDistance.value / 48, 1),
});

async function changeLocale(code: string) {
  await setLocale(code);
}

function logout() {
  auth.logout();
  router.push('/');
}

const balanceDisplay = computed(() =>
  formatMoney(profile.value?.wallet?.availableBalance, locale.value),
);

const balanceAmountClass = computed(() => {
  const len = balanceDisplay.value.length;
  if (len <= 10) return 'balance-amount--xl';
  if (len <= 13) return 'balance-amount--lg';
  if (len <= 16) return 'balance-amount--md';
  if (len <= 19) return 'balance-amount--sm';
  return 'balance-amount--xs';
});
</script>

<template>
  <div class="profile-page">
    <div
      class="pull-indicator"
      :style="pullIndicatorStyle()"
    >
      <GoldSpinner v-if="spinning" :size="28" :progress="progress" :active="spinning" />
    </div>

    <div v-if="loading" class="loading-state">
      <GoldSpinner :size="36" :active="true" />
    </div>

    <div v-else-if="error" class="error-state">
      <p class="error-text">{{ t('common.load_failed') }}</p>
      <button type="button" class="retry-btn" @click="fetchProfile">{{ t('common.retry') }}</button>
    </div>

    <template v-else>
    <div class="wallet-banner">
      <img class="wallet-banner-img" :src="walletBg" alt="" />
      <div class="wallet-banner-scrim" aria-hidden="true" />

      <div class="card-overlay">
        <div class="bank-card-top">
          <div class="bank-card-top-left">
            <div class="bank-card-chip" aria-hidden="true">
              <span /><span /><span />
            </div>
            <img src="/logo.png" alt="TheBet365" class="brand-logo" />
            <div class="bank-card-brand-text">
              <span class="brand-name">THEBET365</span>
              <span class="bank-card-type">MEMBER</span>
            </div>
          </div>
          <RouterLink to="/wallet/recharge" class="recharge-btn">
            <span class="recharge-icon">+</span>
            <span>{{ t('recharge.title') }}</span>
          </RouterLink>
        </div>

        <div class="bank-card-balance">
          <span class="bank-card-label">当前余额</span>
          <p class="bank-card-number balance-amount" :class="balanceAmountClass">{{ balanceDisplay }}</p>
        </div>

        <div class="bank-card-footer">
          <div class="bank-card-field">
            <span class="bank-card-label">持卡人</span>
            <span class="bank-card-holder">{{ profile?.username }}</span>
          </div>
          <div class="bank-card-field bank-card-field--center">
            <span class="bank-card-label">累计返水</span>
            <span class="bank-card-stat">{{ formatMoney(cashbackTotal, locale) }}</span>
          </div>
          <div class="bank-card-field bank-card-field--right">
            <span class="bank-card-label">未结算</span>
            <span class="bank-card-stat">{{ formatMoney(profile?.wallet?.frozenBalance, locale) }}</span>
          </div>
        </div>
      </div>
    </div>

    <section class="settings-group">
      <RouterLink to="/wallet/detail" class="settings-cell settings-cell--gold-entry">
        <span class="cell-main">
          <svg class="cell-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" aria-hidden="true">
            <path d="M9 5H5a2 2 0 00-2 2v12a2 2 0 002 2h14a2 2 0 002-2V9" />
            <path d="M9 5a2 2 0 012-2h2a2 2 0 012 2v0M9 12h6M9 16h4" />
          </svg>
          <span class="cell-label">{{ t('wallet.view_all') }}</span>
        </span>
        <span class="cell-chevron" aria-hidden="true">›</span>
      </RouterLink>

      <RouterLink to="/profile/cashbacks" class="settings-cell settings-cell--gold-entry">
        <span class="cell-main">
          <svg class="cell-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" aria-hidden="true">
            <circle cx="12" cy="12" r="8" />
            <path d="M12 8v4l2.5 2.5" />
          </svg>
          <span class="cell-label">{{ t('wallet.view_cashbacks') }}</span>
        </span>
        <span class="cell-chevron" aria-hidden="true">›</span>
      </RouterLink>

      <RouterLink to="/wallet/recharge/history" class="settings-cell settings-cell--gold-entry">
        <span class="cell-main">
          <svg class="cell-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" aria-hidden="true">
            <path d="M12 8v8M8 12h8" />
            <circle cx="12" cy="12" r="8" />
          </svg>
          <span class="cell-label">{{ t('recharge.history_title') }}</span>
        </span>
        <span class="cell-chevron" aria-hidden="true">›</span>
      </RouterLink>

      <RouterLink to="/profile/edit" class="settings-cell">
        <span class="cell-main">
          <svg class="cell-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" aria-hidden="true">
            <circle cx="12" cy="8" r="3.5" />
            <path d="M5 20c0-3.5 3.1-6 7-6s7 2.5 7 6" />
          </svg>
          <span class="cell-label">{{ t('profile.edit') }}</span>
        </span>
        <span class="cell-chevron" aria-hidden="true">›</span>
      </RouterLink>

      <div class="rules-cell">
        <button
          type="button"
          class="settings-cell rules-toggle"
          :aria-expanded="rulesExpanded"
          @click="rulesExpanded = !rulesExpanded"
        >
          <span class="cell-main">
            <svg class="cell-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" aria-hidden="true">
              <path d="M7 4h10v16H7z" />
              <path d="M10 8h6M10 12h6M10 16h4" />
            </svg>
            <span class="cell-label">{{ t('profile.rules_title') }}</span>
          </span>
          <span class="cell-chevron" :class="{ open: rulesExpanded }" aria-hidden="true">›</span>
        </button>
        <div v-show="rulesExpanded" class="rules-body">
          <p>{{ t('profile.rules_p1') }}</p>
          <p>{{ t('profile.rules_p2') }}</p>
          <p>{{ t('profile.rules_p3') }}</p>
          <p>{{ t('profile.rules_p4') }}</p>
          <p>{{ t('profile.rules_p5') }}</p>
        </div>
      </div>

      <div class="settings-cell settings-cell--stack">
        <div class="cell-head">
          <svg class="cell-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" aria-hidden="true">
            <circle cx="12" cy="12" r="9" />
            <path d="M3 12h18M12 3c2.5 2.8 4 6 4 9s-1.5 6.2-4 9M12 3c-2.5 2.8-4 6-4 9s1.5 6.2 4 9" />
          </svg>
          <span class="cell-label">{{ t('profile.language') }}</span>
        </div>
        <div class="lang-segment" role="group" :aria-label="t('profile.language')">
          <button
            v-for="item in locales"
            :key="item.code"
            type="button"
            class="lang-opt"
            :class="{ active: locale === item.code }"
            @click="changeLocale(item.code)"
          >
            <LocaleFlag :locale="item.code" :size="14" />
            <span>{{ item.label }}</span>
          </button>
        </div>
      </div>
    </section>

    <button type="button" class="logout-btn" @click="logout">
      {{ t('auth.logout') }}
    </button>
    </template>
  </div>
</template>

<style scoped>
.pull-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: height 0.15s ease;
}

.profile-page {
  padding: 8px 0 12px;
}

.loading-state {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
}

.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 60vh;
}

.error-text {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
}

.retry-btn {
  padding: 8px 24px;
  border-radius: 6px;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.retry-btn:active {
  background: rgba(200, 168, 78, 0.15);
}

.wallet-banner {
  position: relative;
  width: 100%;
  margin-bottom: 12px;
  aspect-ratio: 2 / 1;
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 3px 10px rgba(0, 0, 0, 0.28),
    0 1px 3px rgba(0, 0, 0, 0.18);
}

.wallet-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  box-shadow: inset 0 0 14px rgba(0, 0, 0, 0.22);
  pointer-events: none;
}

.wallet-banner-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.12);
  transform-origin: center center;
  filter: brightness(0.86);
  pointer-events: none;
  user-select: none;
}

.wallet-banner-scrim {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 0.18) 42%,
    rgba(0, 0, 0, 0.46) 100%
  );
}

.card-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  padding: 14px 16px 12px;
  line-height: 1.3;
  -webkit-font-smoothing: antialiased;
}

.bank-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-shrink: 0;
}

.bank-card-top-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.bank-card-chip {
  width: 34px;
  height: 24px;
  border-radius: 5px;
  background: linear-gradient(135deg, #e8c96a 0%, #c9a227 40%, #a8841f 100%);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.3), 0 2px 4px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  padding: 0 7px;
  flex-shrink: 0;
}

.bank-card-chip span {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: rgba(0, 0, 0, 0.25);
}

.bank-card-chip span:nth-child(2) { width: 70%; }
.bank-card-chip span:nth-child(3) { width: 50%; }

.brand-logo {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  object-fit: contain;
}

.bank-card-brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.brand-name {
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.14em;
  line-height: 1;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.bank-card-type {
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: rgba(212, 175, 55, 0.65);
  font-style: italic;
  line-height: 1;
}

.bank-card-label {
  display: block;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.3;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55);
}

.recharge-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 5px 10px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(212, 175, 55, 0.35);
  color: var(--primary-light);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: background 0.15s ease;
}

.recharge-btn:active {
  background: rgba(212, 175, 55, 0.15);
}

.recharge-icon {
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.bank-card-balance {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
  padding: 2px 0;
  gap: 5px;
}

.bank-card-number {
  margin: 0;
  font-family: 'SF Mono', 'Consolas', 'Courier New', monospace;
  font-weight: 700;
  font-style: normal;
  font-variant-numeric: tabular-nums;
  color: var(--primary-light);
  line-height: 1.1;
  letter-spacing: 0.04em;
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.55);
}

.balance-amount {
  margin: 0;
}

.balance-amount--xl { font-size: clamp(24px, 6.2vw, 30px); }
.balance-amount--lg { font-size: clamp(21px, 5.6vw, 26px); }
.balance-amount--md { font-size: clamp(18px, 4.9vw, 22px); }
.balance-amount--sm { font-size: clamp(16px, 4.2vw, 19px); }
.balance-amount--xs { font-size: clamp(14px, 3.6vw, 16px); }

.bank-card-footer {
  flex-shrink: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.bank-card-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.bank-card-field--center { text-align: center; }
.bank-card-field--right { text-align: right; }

.bank-card-holder {
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  word-break: break-all;
}

.bank-card-stat {
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #fff;
  line-height: 1.2;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}


.settings-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.settings-cell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  background: none;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.settings-cell:last-child {
  border-bottom: none;
}

.settings-cell:active {
  background: rgba(255, 255, 255, 0.03);
}

.settings-cell--gold-entry {
  position: relative;
  min-height: 50px;
  border-color: rgba(212, 175, 55, 0.18);
  border-bottom-color: rgba(212, 175, 55, 0.18);
  background:
    linear-gradient(90deg, rgba(212, 175, 55, 0.08), rgba(20, 20, 20, 0.65) 46%, rgba(212, 175, 55, 0.04));
  box-shadow:
    inset 1px 0 0 rgba(212, 175, 55, 0.22),
    inset 0 1px 0 rgba(255, 244, 200, 0.05);
}

.settings-cell--gold-entry:active {
  background:
    linear-gradient(90deg, rgba(212, 175, 55, 0.12), rgba(20, 20, 20, 0.74) 46%, rgba(212, 175, 55, 0.06));
}

.settings-cell--gold-entry .cell-label {
  color: #f4dc8b;
  font-weight: 800;
}

.settings-cell--gold-entry .cell-chevron {
  color: rgba(240, 216, 117, 0.78);
}

.settings-cell--stack {
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px 14px;
  min-height: auto;
}

.cell-main {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.cell-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-muted);
}

.settings-cell--gold-entry .cell-icon {
  color: var(--primary-light);
}

.cell-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cell-label {
  color: var(--text);
}

.cell-chevron {
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
  font-weight: 300;
  transition: transform 0.15s ease;
}

.cell-chevron.open {
  transform: rotate(90deg);
}

.rules-toggle {
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.rules-cell .rules-body {
  padding: 0 16px 14px;
  border-bottom: 1px solid var(--border);
}

.lang-segment {
  display: flex;
  gap: 6px;
}

.lang-opt {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 34px;
  padding: 0 6px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #0a0a0a;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

.lang-opt.active {
  border-color: var(--border-gold-soft);
  color: var(--primary-light);
  background: rgba(212, 175, 55, 0.1);
}

.logout-btn {
  width: 100%;
  margin-top: 12px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--danger);
  font-size: 14px;
  font-weight: 700;
}

.logout-btn:active {
  background: rgba(255, 69, 58, 0.08);
}

.rules-body {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
}

.rules-body p {
  margin: 0 0 8px;
}

.rules-body p:last-child {
  margin-bottom: 0;
}
</style>
