<template>
  <div class="pig-pen-info-card">
    <div class="info-section">
      <div class="title">
        猪栏: {{ pen.pen_number }} <el-tag size="small" :type="statusType">{{ pen.status || '未知' }}</el-tag>
      </div>
      <div class="info-item">猪舍: {{ pen.house_name || '未知' }}</div>
      <div class="info-item border-left">容量: {{ pen.capacity }}</div>
      <div class="info-item">批次: {{ pen.batch_number || '未分配' }}</div>
      <div class="info-item border-left">存栏: <span :class="{'over-capacity': pen.current_pig_count > pen.capacity}">{{ pen.current_pig_count || 0 }}</span></div>
    </div>
    <div class="actions-section">
      <el-button size="small" @click="emitAllocatePigs" :disabled="!isBatchActive || batchUnassignedPigCount <= 0">分配猪只</el-button>
      <el-button size="small" type="danger" @click="emitRemove" :disabled="!isBatchActive || pen.current_pig_count > 0">移除</el-button>
    </div>
  </div>
</template>

<script>
import { computed } from 'vue';

export default {
  name: 'PigBatchPenCard',
  props: {
    pen: {
      type: Object,
      required: true
    },
    isBatchActive: {
      type: Boolean,
      default: true // 默认活跃，以防万一没有传递
    },
    batchUnassignedPigCount: {
      type: Number,
      default: 0
    }
  },
  emits: ['remove', 'allocate-pigs'],
  setup(props, { emit }) {
    const statusType = computed(() => {
      switch (props.pen.status) {
        case '使用中':
          return 'success';
        case '病猪栏':
        case '维修中':
          return 'danger';
        case '清洗消毒':
          return 'warning';
        case '空闲':
        default:
          return 'info';
      }
    });

    const emitAllocatePigs = () => {
      emit('allocate-pigs', props.pen);
    };

    const emitRemove = () => {
      emit('remove', props.pen);
    };

    return {
      statusType,
      emitAllocatePigs,
      emitRemove
    };
  }
}
</script>

<style scoped>
.pig-pen-info-card {
  border: 2px solid #ccc;
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 220px; /* 适当加宽以容纳更多信息 */
  height: auto; /* 让高度自适应内容 */
  min-height: 240px; /* 设置最小高度 */
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s;
}

.pig-pen-info-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.info-section {
  display: grid; /* 使用grid布局创建两列 */
  grid-template-columns: 1fr 1fr; /* 两列等宽 */
  gap: 8px 10px; /* 行间距 8px, 列间距 10px */
  margin-bottom: 10px;
  flex-grow: 1; /* 允许信息部分填充可用空间 */
}

.info-section .title {
  font-weight: bold;
  font-size: 1.1em;
  color: #303133;
  grid-column: 1 / -1; /* 标题横跨两列 */
  margin-bottom: 5px; /* 标题下方增加一点间距 */
  display: flex; /* Add flexbox for alignment */
  align-items: center; /* Vertically align items */
  gap: 8px; /* Space between title text and tag */
}

.info-section .info-item {
  font-size: 0.9em;
  color: #606266;
}

.info-item.border-left {
  border-left: 1px solid #eee; /* 添加左边框作为分隔线 */
  padding-left: 10px; /* 增加左内边距，使内容不紧贴边框 */
}

.actions-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.actions-section .el-button {
  width: 100%;
  margin: 0;
}

.over-capacity {
  color: red;
}
</style>
