<template>
  <div class="discount-code-page">
    <!-- 头部导航 -->
    <s-header :name="$t('discountCode.discountCode')" :noback="false" />

    <!-- 主要内容区域 -->
    <!-- 顶部操作栏 -->
    <div class="top-action-bar" :class="{ 'delete-mode': isDelete }">
      <div class="status-display">
        <template v-if="isDelete">
          <span>{{ $t("advertManage.advertRule.selected") }}</span>
          <span class="count-highlight">{{ selectTotals }}</span>
          <span>{{ $t("advertManage.advertRule.individual") }}</span>
        </template>
        <template v-else>
          <span>{{ $t("discountCode.total") }}</span>
          <span class="count-highlight">{{ discountCodeTotal }}</span>
          <span>{{ $t("discountCode.discountCodesInTotal") }}</span>
        </template>
      </div>

      <div class="action-buttons">
        <template v-if="isDelete">
          <van-button
            size="small"
            class="action-button"
            @click="cancelClk"
          >
            {{ $t("discountCode.cancel") }}
          </van-button>
          <van-button
            size="small"
            type="primary"
            class="action-button"
            @click="allClk"
          >
            {{ $t("discountCode.selectAll") }}
          </van-button>
          <van-button
            size="small"
            type="danger"
            class="action-button"
            @click="noticeClk"
          >
            {{ $t("discountCode.confirmDel") }}
          </van-button>
        </template>
        <template v-else>
          <van-button
            icon="search"
            size="small"
            plain
            class="action-button"
            @click="searchClick"
          />
          <van-button
            icon="plus"
            type="primary"
            size="small"
            class="action-button"
            @click="payCode"
          >
            {{ $t("discountCode.apply") }}
          </van-button>
          <van-button
            icon="delete"
            size="small"
            type="danger"
            class="action-button"
            @click="isDelete = true"
          >
            {{ $t("discountCode.delete") }}
          </van-button>
          <van-button
            icon="down"
            size="small"
            type="success"
            class="action-button"
            @click="clickExport"
          >
            {{ $t("discountCode.export") }}
          </van-button>
        </template>
      </div>
    </div>

    <!-- 标签切换区域 -->
    <div class="tab-section">
      <div class="tab-buttons">
        <van-button
          size="small"
          :plain="isUse !== '0'"
          :type="isUse === '0' ? 'primary' : 'default'"
          @click="setIsUse('0')"
        >
          {{ $t("discountCode.notUsed") }}
        </van-button>
        <van-button
          size="small"
          :plain="isUse !== '1'"
          :type="isUse === '1' ? 'primary' : 'default'"
          @click="setIsUse('1')"
        >
          {{ $t("discountCode.used") }}
        </van-button>
      </div>
    </div>

    <div class="discount-code-list">
      <van-list
        v-model:loading="loading"
        v-model:error="error"
        :error-text="$t('public.requestFailed')"
        :finished="finished"
        :finished-text="$t('public.noMore')"
        :offset="300"
        :immediate-check="false"
        @load="onLoad"
      >
        <!-- 优惠码列表 -->
        <div
          v-for="(item, index) in discountCodeList"
          :key="index"
          class="code-card"
          :class="{
            used: item.isUse === '1',
            expired: isExpired(item.lastUseDate),
          }"
          @click="disCountCodeClick(item)"
        >
          <div class="code-header">
            <div class="code-value">
              <span class="code-label"
                >{{ $t("discountCode.discountCode") }}:</span
              >
              {{ item.code }}
            </div>
          </div>

          <div class="code-details">
            <!-- 创建时间 -->
            <div v-if="item.isUse === '0'" class="detail-row">
              <van-icon name="clock" class="detail-icon" />
              <div class="detail-content">
                <div class="detail-label">
                  {{ $t("discountCode.creationTime") }}:
                </div>
                <div class="detail-value">
                  {{ showDateTime(item.createDate) }}
                </div>
              </div>
            </div>

            <!-- 所属商户 -->
            <div v-if="user.type < 2" class="detail-row">
              <van-icon name="shop" class="detail-icon" />
              <div class="detail-content">
                <div class="detail-label">
                  {{ $t("discountCode.affiliatedMerchants") }}:
                </div>
                <div class="detail-value">{{ item.userName || "-" }}</div>
              </div>
            </div>

            <!-- 使用时间 -->
            <div v-if="item.isUse !== '0'" class="detail-row">
              <van-icon name="todo-list" class="detail-icon" />
              <div class="detail-content">
                <div class="detail-label">
                  {{ $t("discountCode.usageTime") }}:
                </div>
                <div class="detail-value">
                  {{ showDateTime(item.useDate) }}
                </div>
              </div>
            </div>

            <!-- 有效期 -->
            <div v-if="item.isUse === '0'" class="detail-row">
              <van-icon name="todo-list" class="detail-icon" />
              <div class="detail-content">
                <div class="detail-label">
                  {{ $t("discountCode.termOfValidity") }}:
                </div>
                <div class="detail-value">
                  {{ showDate(item.lastUseDate) }}
                  <van-tag
                    v-if="isExpired(item.lastUseDate)"
                    type="danger"
                    size="small"
                  >
                    {{ $t("discountCode.expired") }}
                  </van-tag>
                </div>
              </div>
            </div>

            <!-- 使用设备 -->
            <div v-if="item.isUse !== '0'" class="detail-row">
              <van-icon name="setting" class="detail-icon" />
              <div class="detail-content">
                <div class="detail-label">
                  {{ $t("discountCode.usingTheMachine") }}:
                </div>
                <div class="detail-value">{{ item.useBy || "-" }}</div>
              </div>
            </div>
          </div>

          <!-- 状态标签 -->
          <div v-if="!isDelete" class="status-tag">
            <van-tag
              :type="item.type === '1' ? 'danger' : 'warning'"
              size="large"
            >
              {{
                item.type == "1"
                  ? $t("discountCode.deduction")
                  : $t("discountCode.discount")
              }}:
              {{ item.discount }}
            </van-tag>
            <van-tag v-if="item.isUse === '0'" type="primary" size="large">
              {{ $t("discountCode.notUsed") }}
            </van-tag>
            <van-tag v-else-if="item.isUse === '1'" type="success" size="large">
              {{ $t("discountCode.used") }}
            </van-tag>
          </div>

          <!-- 删除模式下的选择框 -->
          <van-checkbox
            v-if="isDelete"
            v-model="item.checked"
            class="selection-checkbox"
            @click.stop
          />
        </div>
      </van-list>
    </div>
    <!-- 搜索弹出框 -->
    <codeSearch ref="searchRef" @search="search($event)"></codeSearch>

    <!-- 导出功能 -->
    <codeExport ref="exportRef" @exportCode="exportCode($event)"></codeExport>
  </div>
</template>

<script>
import { onMounted, reactive, toRefs, ref, computed } from "vue";
import sHeader from "@/components/SimpleHeader";
import {
  getdiscountCodeList,
  discountCodeExport,
  deleteCode,
} from "@/service/discountCode";
import { showFailToast, showToast, showConfirmDialog } from "vant";
import { getLoginUser, $M_ExportFile } from "@/common/js/utils";
import codeSearch from "./codeSearch.vue";
import codeExport from "./codeExport.vue";
import dateUtil from "@/utils/dateUtil";
import { useRouter } from "vue-router";
import { useI18n } from "vue-i18n";

export default {
  setup() {
    const { t } = useI18n();
    const router = useRouter();
    const searchRef = ref(null);
    const exportRef = ref(null);
    const user = getLoginUser();
    const loading = ref(false); // 加载状态
    const error = ref(false); // 错误状态
    const finished = ref(false); // 结束翻页状态
    const discountCodeList = ref([]); // 列表集合
    const discountCodeTotal = ref(0); // 列表总数
    let searchParams = reactive({
      adminId: "", // 用户账户id
      current: 1, // 页数
      size: 20, // 页大小
      isUse: "0", // 是否使用,0:未使用；1：已使用
      // type: null // 优惠码类型 0或null:折扣优惠码；1：抵扣价优惠码
    });
    // 初始化页面获取列表
    onMounted(async () => {
      //加载样式
      // 初始化列表及页码
      const user = getLoginUser();
      if (user) {
        searchParams.adminId = user.id;
        searchGetList();
      }
    });
    // 搜索弹窗触发搜索
    const search = (data) => {
      searchParams = Object.assign(searchParams, data);
      searchGetList();
    };
    // 导出弹窗触发导出
    const exportCode = (data) => {
      searchParams = Object.assign(searchParams, data);
      exportClick();
    };
    // 查询列表
    const searchGetList = () => {
      discountCodeList.value = [];
      searchParams.current = 1;
      getList();
    };
    // 滚动加载
    const onLoad = () => {
      if (!finished.value) {
        searchParams.current = searchParams.current + 1;
        getList();
      }
    };
    // 获取设备列表数据
    const getList = async () => {
      const { data } = await getdiscountCodeList(
        Object.assign({}, searchParams)
      );
      if (data.code === "00000") {
        // 加入删除选中状态
        if (data.data.records.length > 0) {
          data.data.records.forEach((item) => {
            item.checked = false;
          });
        }
        // 列表值叠加
        discountCodeList.value = discountCodeList.value.concat(
          data.data.records
        );
        // console.log(discountCodeList.value);
        discountCodeTotal.value = data.data.total;
        if (discountCodeList.value.length === data.data.total) {
          finished.value = true;
        }
        loading.value = false;
      } else {
        showFailToast(data.message);
      }
    };
    // 搜索点击
    const searchClick = () => {
      searchRef.value.showSearch();
    };
    // 导出点击
    const clickExport = () => {
      exportRef.value.showExport();
    };
    // 切换tab
    const setIsUse = (data) => {
      searchParams.isUse = data;
      searchGetList();
    };
    // 点击优惠码
    const disCountCodeClick = (data) => {
      console.log("disCountCodeClick", data);
    };
    // 时间格式化
    const showDate = (date) => {
      return date ? dateUtil.formateDate(new Date(date), "yyyy/MM/dd") : "";
    };
    const showDateTime = (date) => {
      return date
        ? dateUtil.formateDate(new Date(date), "yyyy/MM/dd hh:mm:ss")
        : "";
    };
    // 优惠码导出
    const exportClick = async () => {
      searchParams.size = 3000;
      const { headers, data } = await discountCodeExport(
        Object.assign({}, searchParams)
      );
      $M_ExportFile(data, headers);
    };
    const payCode = () => {
      router.push({ path: "/payCode" });
    };

    const isExpired = ref((lastUseDate) => {
      const currentDate = new Date();
      const lastUseDateTime = new Date(lastUseDate);
      return currentDate > lastUseDateTime;
    });

    // 是否删除状态
    const isDelete = ref(false); // 选中
    const selectTotals = computed(() => {
      let nums = 0;
      if (discountCodeList.value.length > 0) {
        discountCodeList.value.forEach((item) => {
          if (item.checked) {
            nums++;
          }
        });
      }
      return nums;
    });
    const cancelClk = () => {
      // 把选中状态去掉
      if (discountCodeList.value.length > 0) {
        discountCodeList.value.forEach((item) => {
          if (item.checked) {
            item.checked = false;
          }
        });
      }
      isDelete.value = false;
    };
    // 点击全选
    const allClk = () => {
      if (discountCodeList.value.length > 0) {
        discountCodeList.value.forEach((item) => {
          item.checked = true;
        });
      }
    };
    // 点击确认删除
    const noticeClk = () => {
      if (selectTotals.value < 1) {
        showToast(t("advertManage.delTips"));
        return;
      }
      showConfirmDialog({
        title: t("advertManage.delPopTitle"),
        message: t("advertManage.delPopContent"),
      })
        .then(() => {
          const ids = [];
          discountCodeList.value.forEach((item) => {
            if (item.checked) {
              ids.push(item.id);
            }
          });
          deleteCode(ids)
            .then((res) => {
              console.log(res);
              if (res.data.code === "00000") {
                isDelete.value = false;
                showToast(t("discountCode.deletionSucceeded"));
                setTimeout(() => {
                  discountCodeList.value = [];
                  getList();
                }, 1500);
              }
            })
            .catch(() => {
              isDelete.value = false;
              showToast("ERROR");
            });
        })
        .catch(() => {
          // showToast('ERROR');
        });
    };

    return {
      searchRef,
      exportRef,
      loading,
      error,
      finished,
      discountCodeList,
      discountCodeTotal,
      ...toRefs(searchParams),
      onLoad,
      searchClick,
      search,
      setIsUse,
      disCountCodeClick,
      showDate,
      showDateTime,
      // exportClick,
      payCode,
      isExpired,
      isDelete,
      allClk,
      noticeClk,
      selectTotals,
      cancelClk,
      user,
      clickExport,
      exportCode,
    };
  },
  components: { sHeader, codeSearch, codeExport },
};
</script>

<style lang="less" scoped>
@primary-color: #4d6add;
@error-color: #ff4d4f;

.discount-code-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: #f5f7fa;
}

.top-action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  margin: 12px;
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);

  &.delete-mode {
    background-color: #fff8f6;
    border-left: 4px solid @error-color;
  }

  .status-display {
    font-size: 14px;
    color: #666;

    .count-highlight {
      font-weight: bold;
      font-size: 16px;
      color: @primary-color;
      margin: 0 4px;
    }
  }

  .action-buttons {
    display: flex;
    gap: 8px;
  }

  .action-button {
    min-width: auto;
    padding: 5px 10px;
  }
}

.tab-section {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  padding: 15px;
  margin: 12px;

  .tab-buttons {
    display: flex;
    gap: 12px;

    .van-button {
      flex: 1;
    }
  }
}

.discount-code-list {
  flex: 1;
  overflow-y: auto;
}

.code-card {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  padding: 16px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
  margin: 12px;

  &:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
  }

  &.used {
    background-color: #f6ffed;
  }

  &.expired {
    border-left: 4px solid @error-color;
    opacity: 0.8;
  }

  .code-header {
    display: flex;
    // justify-content: space-between;
    gap: 10px;
    align-items: center;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px dashed #f0f0f0;
  }

  .code-value {
    font-size: 16px;
    font-weight: bold;
    color: #333;

    .code-label {
      font-weight: normal;
      color: #666;
      margin-right: 8px;
    }
  }

  .code-type {
    .van-tag {
      border-radius: 4px;
      font-weight: 500;
    }
  }

  .code-details {
    .detail-row {
      display: flex;
      margin-bottom: 10px;
      align-items: flex-start;

      &:last-child {
        margin-bottom: 0;
      }
    }

    .detail-icon {
      font-size: 16px;
      color: #999;
      margin-right: 10px;
      margin-top: 3px;
      min-width: 16px;
    }

    .detail-content {
      flex: 1;
    }

    .detail-label {
      font-size: 13px;
      color: #999;
      margin-bottom: 2px;
    }

    .detail-value {
      font-size: 14px;
      color: #333;
      line-height: 1.4;
    }
  }

  .status-tag {
    display: flex;
    gap: 5px;
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
  }

  .selection-checkbox {
    position: absolute;
    bottom: 10px;
    right: 10px;
    z-index: 2;
  }
}

@media (max-width: 480px) {
  .top-action-bar {
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;

    .action-buttons {
      justify-content: space-between;
    }
  }

  .code-card {
    padding: 12px;

    .code-value {
      font-size: 15px;
    }

    .status-tag .van-tag {
      font-size: 12px;
      padding: 2px 6px;
    }
  }
}
</style>
