<template>
  <PostcardBase
    :notification="notification"
    :displayTitle="displayTitle"
    @mark-read="emit('mark-read', $event)"
    @delete="emit('delete', $event)"
  >
    <template #body>
      <view class="target-body">
        <view class="badge-row">
          <text class="badge" :class="actionColor">{{ actionText }}</text>
        </view>
        <view v-if="reasonSummary" class="reason-summary">
          <text class="reason-label">原因:</text>
          <text class="reason-text">{{ reasonSummary }}</text>
        </view>
        <view v-if="targetType" class="chip-row">
          <text class="chip-label">涉及对象:</text>
          <text class="chip-value">{{ targetType }}#{{ targetId }}</text>
        </view>
        <view class="target-content">
          <text>{{ notification.content }}</text>
        </view>
      </view>
    </template>
  </PostcardBase>
</template>

<script setup>
import { computed } from 'vue'
import PostcardBase from './PostcardBase.vue'
import { parseData, actionLabel, actionColorClass } from './postcardHelpers.js'

const props = defineProps({
  notification:  { type: Object, required: true },
  displayTitle:  { type: String, default: '' },
})
const emit = defineEmits(['mark-read', 'delete'])

const data = computed(() => parseData(props.notification.data))
const rawAction = computed(() => data.value.action || '')
const actionText = computed(() => actionLabel(rawAction.value))
const actionColor = computed(() => actionColorClass(rawAction.value))
const reasonSummary = computed(() => data.value.reason_summary || '')
const targetType    = computed(() => data.value.target_type || '')
const targetId      = computed(() => data.value.target_id || '')
</script>

<style lang="scss" scoped>
.target-body {
  .badge-row { margin-bottom: 12rpx; }
  .badge {
    display: inline-block;
    padding: 4rpx 16rpx;
    border-radius: 8rpx;
    font-size: 22rpx;
    color: #fff;
    &.badge-red    { background: #f5222d; }
    &.badge-orange { background: #fa8c16; }
    &.badge-green  { background: #52c41a; }
    &.badge-gray   { background: #999; }
  }
  .reason-summary {
    margin-bottom: 16rpx;
    padding: 12rpx 16rpx;
    background: #fff7e6;
    border-left: 4rpx solid #fa8c16;
    border-radius: 4rpx;
    font-size: 24rpx;
    .reason-label { color: #fa8c16; margin-right: 8rpx; font-weight: 500; }
    .reason-text  { color: #333; }
  }
  .chip-row {
    display: flex;
    font-size: 24rpx;
    padding: 6rpx 0;
    .chip-label { color: #999; margin-right: 16rpx; min-width: 140rpx; }
    .chip-value { color: #333; }
  }
  .target-content {
    margin-top: 16rpx;
    font-size: 28rpx;
    line-height: 1.7;
    color: #333;
    white-space: pre-wrap;
  }
}
</style>