<template>
  <div class="pda-container">
    <!-- 头部栏 -->
    <div class="header-bar" :style="getHeaderStyle()">
      <div class="header-left" @click="$router.back()">
        <i class="el-icon-arrow-left"></i>
        <span>{{ getProcessTitle() }}</span>
      </div>
      <div class="header-right" @click="$router.push({ path: '/' })">
        首页
      </div>
    </div>

    <!-- 搜索框 -->
    <div class="search-container">
      <el-input clearable class="compact-input"
        v-model="scanCode"
        placeholder="请扫描HandlingUnit条码"
        prefix-icon="el-icon-search"
        @keyup.enter.native="handleScan"
        ref="scanInput"
                inputmode="none"
                autocomplete="off"
                autocorrect="off"
                spellcheck="false"
      />
      <div class="mode-switch">
        <el-switch
          class="custom-switch"
          v-model="isRemoveMode"
          active-color="#ff4949"
          inactive-color="#13ce66">
        </el-switch>
        <span v-if="isRemoveMode" class="switch-text">{{ '移除' }}</span>
        <span v-else class="switch-text2">{{ '添加' }}</span>
      </div>
    </div>

    <!-- 单据信息卡片 -->
    <div class="material-info-card" v-if="processInfo.transNo">
      <div class="card-title">
        <span class="title-label">{{ getProcessTitle() }}单据号:</span>
        <span class="title-value">{{ processInfo.transNo }}</span>
      </div>

      <div class="card-details">
        <div class="detail-item">
          <div class="detail-label">物料编码</div>
          <div class="detail-value">{{ processInfo.partNo }}</div>
        </div>
        <div class="detail-item">
          <div class="detail-label">{{ getQtyLabel() }}</div>
          <div class="detail-value">
            <span class="unqualified" :style="getQtyStyle()">{{ processInfo.unqualifiedQty }}</span>
          </div>
        </div>
        <div class="detail-item">
          <div class="detail-label">已扫描数量</div>
          <div class="detail-value">
            <span :class="getScannedQtyClass()">{{ getTotalScannedQty() }}</span>
          </div>
        </div>
      </div>
    </div>

    <!-- 处理信息确认标题 -->
    <div class="section-title" :style="getSectionStyle()">
      <div class="title-left">
        <i :class="getProcessIcon()" :style="getIconStyle()"></i>
        <span :style="getIconStyle()">{{ getProcessTitle() }}信息确认</span>
      </div>
    </div>

     <!-- 标签列表 -->
     <div class="label-list" v-if="scannedItems.length > 0" style="margin: 2px;">
       <el-form label-position="top" style="margin: 3px;">
         <el-row :gutter="5"
                 v-for="(label, index) in scannedItems"
                 :key="label.id"
                 :class="index < scannedItems.length - 1 ? 'bottom-line-row' : ''"
                 style="border: 1px solid #e0e0e0; border-radius: 4px;  padding: 2px 6px;">
           <el-col :span="12">
             <el-form-item label="HandlingUnit"><span>{{ label.unitId }}</span></el-form-item>
           </el-col>
           <el-col :span="8">
             <el-form-item label="物料编码"><span>{{ label.partNo }}</span></el-form-item>
           </el-col>
           <el-col :span="4">
             <el-form-item label="数量"><span>{{ label.qty }} {{ label.unit}}</span></el-form-item>
           </el-col>
           <el-col :span="24" v-if="label.partDesc">
             <el-form-item label="物料描述"><span>{{ label.partDesc }}</span></el-form-item>
           </el-col>
           <el-col :span="12" v-if="label.batchNo">
             <el-form-item label="批次号"><span>{{ label.batchNo }}</span></el-form-item>
           </el-col>
           <el-col :span="12" v-if="label.locationId">
             <el-form-item label="库位"><span>{{ label.locationId }}</span></el-form-item>
           </el-col>
         </el-row>
       </el-form>
     </div>

      <!-- 空状态 -->
      <div v-if="scannedItems.length === 0" class="empty-labels">
        <p>暂无扫描HandlingUnit</p>
      </div>

    <!-- 底部操作按钮 -->
    <div class="bottom-actions">
      <button class="action-btn primary" :style="getButtonStyle()" @click="confirmProcess">
        确认{{ getProcessTitle() }}
      </button>
      <button class="action-btn secondary" :style="getSecondaryButtonStyle()" style="margin-left: 10px;" @click="cancelProcess">
        取消
      </button>
    </div>
  </div>
</template>

<script>
import { scanHandlingUnitLabel, confirmUnqualifiedProcess } from '@/api/po/po.js';

export default {
  data() {
    return {
      scanCode: '',
      processInfo: {},
      scannedItems: [],
      isRemoveMode: false, // 默认为添加模式
      processType: '' // RETURN/SCRAP/EXCHANGE
    };
  },
  computed: {
    // 处理类型配置
    processConfig() {
      const configs = {
        'RETURN': {
          title: '退货',
          color: '#E6A23C',
          icon: 'el-icon-refresh-left',
          qtyLabel: '退货数量'
        },
        'SCRAP': {
          title: '报废',
          color: '#F56C6C',
          icon: 'el-icon-delete',
          qtyLabel: '报废数量'
        },
        'EXCHANGE': {
          title: '换货',
          color: '#409EFF',
          icon: 'el-icon-refresh',
          qtyLabel: '换货数量'
        }
      };
      return configs[this.processType] || configs['RETURN'];
    }
  },
  methods: {
    // 获取处理标题
    getProcessTitle() {
      return this.processConfig.title;
    },

    // 获取数量标签
    getQtyLabel() {
      return this.processConfig.qtyLabel;
    },

    // 获取处理图标
    getProcessIcon() {
      return this.processConfig.icon;
    },

    // 获取头部样式
    getHeaderStyle() {
      return `background: ${this.processConfig.color};`;
    },

    // 获取区域标题样式
    getSectionStyle() {
      return `border-bottom: 2px solid ${this.processConfig.color};`;
    },

    // 获取图标样式
    getIconStyle() {
      return `color: ${this.processConfig.color};`;
    },

    // 获取数量样式
    getQtyStyle() {
      return `color: ${this.processConfig.color}; font-weight: 500;`;
    },

    // 获取主按钮样式
    getButtonStyle() {
      return `border: 1px solid ${this.processConfig.color}; background: ${this.processConfig.color}; color: white;`;
    },

    // 获取次要按钮样式
    getSecondaryButtonStyle() {
      return `border: 1px solid ${this.processConfig.color}; background: white; color: ${this.processConfig.color};`;
    },

    // 处理扫描
    handleScan() {
      if (!this.scanCode.trim()) {
        return;
      }

      if (this.isRemoveMode) {
        this.removeLabelByCode(this.scanCode.trim());
      } else {
        this.validateAndAddLabel(this.scanCode.trim());
      }
      this.scanCode = '';
    },

    // 验证标签并添加到列表
    validateAndAddLabel(unitId) {
      const params = {
        unitId: unitId,
        site: localStorage.getItem('site'),
      };

      scanHandlingUnitLabel(params).then(({ data }) => {
        if (data && data.code === 0 && data.data) {
          const huInfo = data.data;

          // 检查是否已经扫描过
          const exists = this.scannedItems.find(item => item.unitId === unitId);
          if (exists) {
            this.$message.warning('该HandlingUnit已扫描，请勿重复扫描');
            return;
          }
          if (huInfo.inStockFlag !== 'X') {
            this.$message.error('HandlingUnit不是未入库状态，无法处理');
            return;
          }
          // 校验HU是否属于当前单据
          if (huInfo.site !== localStorage.getItem('site')) {
            this.$message.error('HandlingUnit站点不匹配');
            return;
          }

          // 检查单据是否匹配
          if (this.processInfo.transNo && huInfo.batchNo !== this.processInfo.transNo) {
            this.$message.error('单据号不匹配，请检查');
            return;
          }

          // 检查物料是否匹配
          if (this.processInfo.partNo && huInfo.partNo !== this.processInfo.partNo) {
            this.$message.error('物料编码不匹配，请检查');
            return;
          }

           // 添加到列表
           this.scannedItems.push({
             id: Date.now(),
             unitId: unitId,
             partNo: huInfo.partNo,
             partDesc: huInfo.partDesc,
             qty: huInfo.qty,
             unit: huInfo.unit,
             batchNo: huInfo.batchNo,
             locationId: huInfo.locationId
           });

          this.$message.success('扫描成功');
        } else {
          this.$message.error(data.msg || 'HandlingUnit不存在或查询失败');
        }
      }).catch(error => {
        this.$message.error('扫描失败');
      });
    },

    // 通过条码移除标签
    removeLabelByCode(unitId) {
      const index = this.scannedItems.findIndex(item => item.unitId === unitId);
      if (index !== -1) {
        this.scannedItems.splice(index, 1);
        this.$message.success('移除成功');
      } else {
        this.$message.warning('未找到该HandlingUnit');
      }
    },

    // 获取总扫描数量
    getTotalScannedQty() {
      return this.scannedItems.reduce((total, item) => {
        return total + (parseFloat(item.qty) || 0);
      }, 0);
    },

    // 获取已扫描数量的样式类
    getScannedQtyClass() {
      const totalScannedQty = this.getTotalScannedQty();
      const unqualifiedQty = parseFloat(this.processInfo.unqualifiedQty) || 0;

      if (totalScannedQty === 0) {
        return 'scanned-empty';
      } else if (totalScannedQty === unqualifiedQty) {
        return 'scanned-match';
      } else {
        return 'scanned-mismatch';
      }
    },

    // 确认处理
    confirmProcess() {
      if (this.scannedItems.length === 0) {
        this.$message.warning('请先扫描HandlingUnit');
        return;
      }

      // 校验扫描数量与退货/报废数量是否一致
      const totalScannedQty = this.getTotalScannedQty();
      const unqualifiedQty = parseFloat(this.processInfo.unqualifiedQty) || 0;

      if (totalScannedQty !== unqualifiedQty) {
        const processTitle = this.getProcessTitle();
        this.$message.error(`扫描的HU总数量(${totalScannedQty})与${processTitle}数量(${unqualifiedQty})不一致，请检查！`);
        return;
      }

      const processTitle = this.getProcessTitle();
      this.$confirm(`确认要${processTitle}这些物料吗？`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.submitConfirmProcess();
      }).catch(() => {
        // 用户取消
      });
    },

    // 提交确认处理
    submitConfirmProcess() {
      const handlingUnitIds = this.scannedItems.map(item => item.unitId);

      const params = {
        site: localStorage.getItem('site'),
        transNo: this.processInfo.transNo,
        processType: this.processInfo.processType,
        handlingUnitIds: handlingUnitIds
      };

      confirmUnqualifiedProcess(params).then(({ data }) => {
        if (data && data.code === 0) {
          const processTitle = this.getProcessTitle();
          this.$message.success(`${processTitle}处理成功`);
          this.$router.back();
        } else {
          this.$message.error(data.msg || '处理失败');
        }
      }).catch(error => {
        console.error('确认处理失败:', error);
        this.$message.error('处理失败，请重试');
      });
    },

    // 取消处理
    cancelProcess() {
      if (this.scannedItems.length > 0) {
        this.$confirm('取消后将清空已扫描的HandlingUnit，确定取消吗？', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '继续操作',
          type: 'warning'
        }).then(() => {
          this.$router.back();
        }).catch(() => {
          // 用户选择继续操作
        });
      } else {
        this.$router.back();
      }
    }
  },

  mounted() {
    // 获取路由参数
    const query = this.$route.query;
    this.processType = query.processType || 'RETURN';
    this.processInfo = {
      transNo: query.transNo,
      itemNo: query.itemNo,
      processType: query.processType,
      partNo: query.partNo,
      unqualifiedQty: query.unqualifiedQty
    };

    // 如果有传入的扫描项目，恢复它们
    if (query.scannedItems) {
      try {
        this.scannedItems = JSON.parse(query.scannedItems);
      } catch (e) {
        console.error('解析扫描项目失败:', e);
      }
    }

    // 聚焦扫描框
    this.$nextTick(() => {
      if (this.$refs.scanInput) {
        this.$refs.scanInput.focus();
      }
    });
  }
};
</script>

<style scoped>
/* 复用生产领料页面的样式，只修改必要的部分 */
.pda-container {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #f5f5f5;
}

/* 头部栏 */
.header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: #17B3A3;
  color: white;
  height: 40px;
  min-height: 40px;
}

.header-left {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
}

.header-left i {
  margin-right: 8px;
  font-size: 18px;
}

.header-right {
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
}

/* 搜索容器 */
.search-container {
  padding: 12px 16px;
  background: white;
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-container .el-input {
  width: 240px;
  margin-right: 12px;
}

/* 紧凑型输入框样式 */
.compact-input ::v-deep .el-input__inner {
  height: 36px;
  padding: 0 12px 0 35px;
  font-size: 14px;
}

.compact-input ::v-deep .el-input__prefix {
  left: 10px;
}

.compact-input ::v-deep .el-input__suffix {
  right: 30px;
}

/* 模式切换开关 */
.mode-switch {
  position: relative;
  display: inline-block;
}

.custom-switch {
  transform: scale(1.3);
}
/* 中间文字 */
.switch-text {
  position: absolute;
  left: 25%;
  transform: translateX(-50%);
  top: 50%;
  transform: translateY(-50%) translateX(-50%);
  font-size: 12px;
  font-weight: 500;
  color: #606266;
  white-space: nowrap;
  pointer-events: none;
  z-index: 1;
  top: 53%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-weight: bold;
  color: white;
  pointer-events: none;
  z-index: 2;
}

.switch-text2 {
  position: absolute;
  left: 75%;
  transform: translateX(-50%);
  top: 50%;
  transform: translateY(-50%) translateX(-50%);
  font-size: 12px;
  font-weight: 500;
  color: #606266;
  white-space: nowrap;
  pointer-events: none;
  z-index: 1;
  top: 53%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-weight: bold;
  color: white;
  pointer-events: none;
  z-index: 2;
}

/* 调整 switch 尺寸以便容纳文字 */
.custom-switch ::v-deep .el-switch__core {
  width: 60px;
  height: 28px;
}

/* 物料信息卡片 */
.material-info-card {
  background: white;
  margin: 4px 4px;
  padding: 6px 20px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid #f0f0f0;
}

.card-title {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.title-label {
  font-size: 12px;
  color: #666;
  font-weight: 500;
}

.title-value {
  font-size: 16px;
  font-weight: bold;
  color: #333;
  line-height: 1.2;
}

.card-details {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4px;
}

.detail-item {
  flex: 1;
  text-align: center;
  min-width: 60px;
  max-width: 60px;
}

.detail-label {
  font-size: 11px;
  color: #999;
  margin-bottom: 6px;
  font-weight: normal;
  line-height: 1.2;
  margin-left: -12px;
}

.detail-value {
  font-size: 13px;
  color: #333;
  font-weight: 500;
  line-height: 1.2;
}

.detail-value .qualified {
  color: #17B3A3;
  font-weight: 500;
}

.detail-value .total {
  color: #333;
  font-weight: 500;
}

.detail-value .total::before {
  content: '/';
  color: #333;
}

/* 已扫描数量样式 */
.detail-value .scanned-empty {
  color: #909399;
  font-weight: 500;
}

.detail-value .scanned-match {
  color: #67C23A;
  font-weight: 600;
}

.detail-value .scanned-mismatch {
  color: #F56C6C;
  font-weight: 600;
}

/* 区域标题 */
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  background: white;
  margin: 0 4px;
  margin-top: 4px;
  border-radius: 8px 8px 0 0;
  border-bottom: 2px solid #17B3A3;
}

.title-left {
  display: flex;
  align-items: center;
}

.title-left i {
  color: #17B3A3;
  font-size: 16px;
  margin-right: 8px;
}

.title-left span {
  color: #17B3A3;
  font-size: 14px;
  font-weight: 500;
}

.title-right {
  display: flex;
  align-items: center;
}

.material-list-link {
  color: #17B3A3;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  transition: color 0.2s ease;
}

.material-list-link:hover {
  color: #0d8f7f;
}

/* 标签列表 */
.label-list {
  background: white;
  margin: 0 4px 4px;
  border-radius: 0 0 8px 8px;
  overflow: hidden;
}

.label-list .el-form-item {
  margin-bottom: 1px;
}

.label-list .el-form-item__label {
  padding-bottom: 1px;
  margin-bottom: 0;
  line-height: 1.1;
  font-size: 11px;
}

.label-list .el-form-item__content {
  line-height: 1.2;
  font-size: 12px;
}

.empty-labels {
  padding: 40px 20px;
  text-align: center;
  color: #999;
}

.empty-labels p {
  margin: 0;
  font-size: 14px;
}

/* 底部操作按钮 */
.bottom-actions {
  display: flex;
  padding: 16px;
  gap: 20px;
  background: white;
  margin-top: auto;
}

.action-btn {
  flex: 1;
  padding: 12px;
  border: 1px solid #17B3A3;
  background: white;
  color: #17B3A3;
  border-radius: 20px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.action-btn:hover {
  background: #17B3A3;
  color: white;
}

.action-btn:active {
  transform: scale(0.98);
}

/* 物料清单弹窗样式 */
.material-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.material-modal {
  background: white;
  border-radius: 12px;
  width: 100%;
  max-width: 800px;
  max-height: 80vh;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.material-modal .modal-header {
  background: #17B3A3;
  color: white;
  padding: 5px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 28px;
}

.close-btn {
  font-size: 16px;
  cursor: pointer;
  color: white;
  transition: color 0.2s ease;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  color: #e0e0e0;
}

.material-modal .modal-title {
  font-size: 16px;
  font-weight: 500;
  margin: 0;
  line-height: 1.2;
}

.material-modal .modal-body {
  flex: 1;
  overflow: auto;
  padding: 0;
}

.material-table {
  width: 100%;
}

.table-header {
  display: flex;
  background: #f8f9fa;
  padding: 10px 6px;
  border-bottom: 2px solid #17B3A3;
  font-size: 12px;
  color: #333;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 1;
}

.table-body {
  max-height: 400px;
  overflow-y: auto;
}

.table-row {
  display: flex;
  padding: 10px 6px;
  border-bottom: 1px solid #f0f0f0;
  font-size: 12px;
  color: #333;
  transition: background-color 0.2s ease;
}

.table-row:hover {
  background-color: #f8f9fa;
}

.table-row:last-child {
  border-bottom: none;
}

.material-table .col-no {
  width: 25px;
  text-align: center;
  flex-shrink: 0;
  font-size: 12px;
}

.material-table .col-material-code {
  flex: 1.8;
  text-align: center;
  min-width: 100px;
  font-size: 12px;
  word-break: break-all;
}

.material-table .col-required-qty {
  flex: 0.8;
  text-align: center;
  min-width: 65px;
  font-size: 12px;
}

.material-table .col-inbound-qty {
  flex: 0.8;
  text-align: center;
  min-width: 65px;
  font-size: 12px;
}

.material-modal .modal-footer {
  padding: 15px 20px;
  display: flex;
  justify-content: center;
  border-top: 1px solid #f0f0f0;
}

.btn-close {
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid #17B3A3;
  background: white;
  color: #17B3A3;
}

.btn-close:hover {
  background: #17B3A3;
  color: white;
}

/* 加载状态样式 */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: #666;
}

.loading-container i {
  font-size: 24px;
  margin-bottom: 12px;
  color: #17B3A3;
}

.loading-container span {
  font-size: 14px;
}

/* 空数据状态样式 */
.empty-material {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: #999;
}

.empty-material i {
  font-size: 48px;
  margin-bottom: 16px;
  color: #ddd;
}

.empty-material p {
  margin: 0;
  font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 360px) {
  .header-bar {
    padding: 8px 12px;
  }

  .search-container {
    padding: 8px 12px;
  }

  .material-info-card {
    margin: 4px 4px;
    padding: 6px 16px;
  }

  .section-title {
    margin: 0 4px;
    margin-top: 4px;
  }

  .label-list {
    margin: 0 12px 8px;
  }

  .card-details {
    flex-wrap: wrap;
    gap: 6px;
  }

  .detail-item {
    flex: 0 0 48%;
    margin-bottom: 6px;
    min-width: 50px;
  }

  .label-list .el-form-item__label {
    font-size: 10px;
  }

  .label-list .el-form-item__content {
    font-size: 10px;
  }

  .label-list .el-form-item {
    margin-bottom: 2px;
  }
}
</style>
