<script setup lang="ts">
import { computed, onActivated, onMounted, ref, watch } from 'vue';
import { useRoute, useRouter } from 'vue-router';
import { useI18n } from 'vue-i18n';
import { formatLocalMatchDateTime } from '@thebet365/shared';
import GoldSpinner from '../components/GoldSpinner.vue';
import ConfirmDialog from '../components/ConfirmDialog.vue';
import { sanitizeAnnouncementHtml } from '../utils/html';
import { formatMoney } from '../utils/localeDisplay';
import {
  usePlayerMessages,
  type DepositMessagePayload,
  type BannerPromoPayload,
  type PlayerMessage,
} from '../composables/usePlayerMessages';
import { useInboxFeature } from '../composables/useInboxFeature';

const route = useRoute();
const router = useRouter();
const { t, locale } = useI18n();
const { loadMessageDetail, markMessageRead, deleteMessage } = usePlayerMessages();
const { hubRoute } = useInboxFeature();

const messageId = computed(() => String(route.params.id ?? ''));
const message = ref<PlayerMessage | null>(null);
const loading = ref(false);
const error = ref(false);
const deleting = ref(false);
const deleteConfirmVisible = ref(false);

const depositPayload = computed(() => {
  if (
    !message.value ||
    message.value.type === 'BANNER_PROMO' ||
    message.value.type === 'ANNOUNCEMENT_PROMO'
  ) {
    return null;
  }
  return (message.value.payload ?? null) as DepositMessagePayload | null;
});
const contentPromoId = computed(() => {
  if (
    message.value?.type !== 'BANNER_PROMO' &&
    message.value?.type !== 'ANNOUNCEMENT_PROMO'
  ) {
    return undefined;
  }
  return (message.value.payload as BannerPromoPayload | null)?.contentId;
});

function goBack() {
  router.back();
}

function goList() {
  router.push(hubRoute.value);
}

function viewContentPromo() {
  if (!contentPromoId.value) return;
  router.push(`/announcements/${contentPromoId.value}`);
}

function formatDate(createdAt?: string) {
  if (!createdAt) return '';
  return formatLocalMatchDateTime(createdAt, locale.value, { variant: 'full' });
}

function messageTitle(item: PlayerMessage) {
  if (item.type === 'DEPOSIT_APPROVED') return t('messages.deposit_approved_title');
  if (item.type === 'DEPOSIT_REJECTED') return t('messages.deposit_rejected_title');
  if (item.type === 'BANNER_PROMO' || item.type === 'ANNOUNCEMENT_PROMO') return item.title;
  return item.title;
}

function messageBody(item: PlayerMessage) {
  const deposit = depositPayload.value;
  if (item.type === 'DEPOSIT_APPROVED' && deposit?.orderNo) {
    return t('messages.deposit_approved_body', {
      orderNo: deposit.orderNo,
      amount: formatMoney(deposit.amount ?? '0', locale.value),
      approvedAmount: formatMoney(
        deposit.approvedAmount ?? deposit.amount ?? '0',
        locale.value,
      ),
    });
  }
  if (item.type === 'DEPOSIT_REJECTED' && deposit?.orderNo) {
    return t('messages.deposit_rejected_body', {
      orderNo: deposit.orderNo,
      amount: formatMoney(deposit.amount ?? '0', locale.value),
      reason: deposit.rejectReason?.trim() || t('messages.no_reason'),
    });
  }
  return item.body;
}

async function fetchDetail() {
  if (!messageId.value) return;
  loading.value = true;
  error.value = false;
  try {
    message.value = await loadMessageDetail(messageId.value);
    if (message.value && !message.value.isRead) {
      await markMessageRead(messageId.value);
      message.value = { ...message.value, isRead: true };
    }
  } catch {
    error.value = true;
    message.value = null;
  } finally {
    loading.value = false;
  }
}

function onDelete() {
  if (!messageId.value || deleting.value) return;
  deleteConfirmVisible.value = true;
}

async function confirmDelete() {
  if (!messageId.value || deleting.value) return;
  deleting.value = true;
  try {
    await deleteMessage(messageId.value);
    deleteConfirmVisible.value = false;
    router.replace(hubRoute.value);
  } finally {
    deleting.value = false;
  }
}

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

onActivated(() => {
  void fetchDetail();
});

watch(messageId, () => {
  void fetchDetail();
});
</script>

<template>
  <div class="message-detail">
    <header class="page-header">
      <button type="button" class="back-btn" :aria-label="t('messages.back')" @click="goBack">‹</button>
      <h1>{{ t('messages.detail_title') }}</h1>
      <button
        v-if="message"
        type="button"
        class="delete-header-btn"
        :aria-label="t('messages.delete')"
        :disabled="deleting"
        @click="onDelete"
      >
        {{ t('messages.delete') }}
      </button>
    </header>

    <div v-if="loading && !message" class="state">
      <GoldSpinner :size="36" />
    </div>

    <div v-else-if="error || !message" class="empty">
      <p>{{ t('messages.not_found') }}</p>
      <button type="button" class="link-btn" @click="goList">{{ t('messages.view_all') }}</button>
    </div>

    <article v-else class="detail-article">
      <span class="status-badge" :class="{ unread: !message.isRead }">
        {{ message.isRead ? t('messages.status_read') : t('messages.status_unread') }}
      </span>
      <p v-if="message.createdAt" class="detail-date">{{ formatDate(message.createdAt) }}</p>
      <h2 class="detail-title">{{ messageTitle(message) }}</h2>
      <div
        v-if="message.type === 'ADMIN_CUSTOM'"
        class="detail-body rich-body"
        v-html="sanitizeAnnouncementHtml(message.body)"
      />
      <p v-else class="detail-body">{{ messageBody(message) }}</p>

      <div
        v-if="message.type === 'DEPOSIT_REJECTED' && depositPayload?.rejectReason?.trim()"
        class="reason-box"
      >
        <p class="reason-label">{{ t('messages.reject_reason') }}</p>
        <p class="reason-text">{{ depositPayload.rejectReason }}</p>
      </div>

      <button
        v-if="contentPromoId"
        type="button"
        class="action-btn"
        @click="viewContentPromo"
      >
        {{ t('messages.content_promo_view') }}
      </button>

      <button
        v-if="depositPayload?.depositOrderId"
        type="button"
        class="action-btn"
        @click="router.push('/wallet/recharge/history')"
      >
        {{ t('messages.view_recharge_history') }}
      </button>
    </article>

    <ConfirmDialog
      v-model:visible="deleteConfirmVisible"
      :title="t('messages.delete')"
      :message="t('messages.delete_confirm')"
      :confirm-text="t('messages.delete')"
      danger
      :loading="deleting"
      @confirm="confirmDelete"
    />
  </div>
</template>

<style scoped>
.message-detail {
  min-height: 100%;
  padding: 0 0 24px;
}

.page-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--border);
}

.back-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #141414;
  color: var(--gold);
  font-size: 22px;
  line-height: 1;
}

.page-header h1 {
  margin: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.delete-header-btn {
  border: 1px solid rgba(255, 80, 80, 0.35);
  border-radius: 8px;
  padding: 6px 10px;
  background: rgba(255, 80, 80, 0.08);
  color: #f88;
  font-size: 12px;
  font-weight: 600;
}

.delete-header-btn:disabled {
  opacity: 0.45;
}

.status-badge {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: #888;
  background: rgba(255, 255, 255, 0.06);
}

.status-badge.unread {
  color: var(--gold);
  background: rgba(212, 175, 55, 0.12);
}

.state,
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 48px 16px;
  color: var(--text-muted);
}

.link-btn {
  border: 1px solid var(--border-gold-soft);
  border-radius: 8px;
  padding: 8px 14px;
  background: rgba(212, 175, 55, 0.1);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
}

.detail-article {
  padding: 18px 0 0;
}

.detail-date {
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.detail-title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  color: #fff;
}

.detail-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #d0d0d0;
}

.rich-body :deep(p) {
  margin: 0 0 12px;
}

.rich-body :deep(p:last-child) {
  margin-bottom: 0;
}

.rich-body :deep(img) {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 12px 0;
  border-radius: 8px;
}

.rich-body :deep(ul),
.rich-body :deep(ol) {
  margin: 0 0 12px;
  padding-left: 20px;
}

.rich-body :deep(a) {
  color: var(--gold);
}

.reason-box {
  margin-top: 18px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 107, 107, 0.25);
  background: rgba(255, 107, 107, 0.08);
}

.reason-label {
  margin: 0 0 8px;
  font-size: 12px;
  color: #ffb4b4;
  font-weight: 700;
}

.reason-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: #ffe0e0;
}

.action-btn {
  margin-top: 24px;
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border-gold-soft);
  border-radius: 8px;
  background: rgba(212, 175, 55, 0.1);
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
</style>
