<template>
  <div class="container">
    <!-- 标签 -->
    <div class="tags">
      <!-- TODO 标签可以拖动位置 -->
      <!-- 
      <el-tabs v-if="false" v-model="clickCollect" class="demo-tabs tabSign">
        <el-tab-pane label="常用" name="first"></el-tab-pane>
        <el-tab-pane label="默认" name="second"></el-tab-pane>
        <draggable
          :list="toRaw(tabList)"
          ghost-class="ghost"
          chosen-class="chosenClass"
          animation="300"
        >
          <template #item="{ element }">
            <el-tab-pane>
              <template #label>
                <div
                  v-if="isChangeTabName !== element.labelId"
                  @click.right="tabClick($event, element)"
                >
                  {{ element.labelName }}
                </div>
                <div v-else>
                  <el-input
                    v-model="changeTabName"
                    size="mini"
                    @blur="reTabName"
                    maxlength="32"
                    :autofocus="true"
                  ></el-input>
                </div>
              </template>
            </el-tab-pane>
          </template>
        </draggable>
      </el-tabs> -->

      <el-tabs v-model="clickCollect" class="tabSign" ref="tabs">
        <el-tab-pane label="常用" name="first"></el-tab-pane>
        <el-tab-pane label="默认" name="second"></el-tab-pane>
        <el-tab-pane
          v-for="item in toRaw(tabList)"
          :key="item"
          :name="item.labelId"
        >
          <template #label>
            <div
              v-if="isChangeTabName !== item.labelId"
              @click.right="tabClick($event, item)"
            >
              {{ item.labelName }}
            </div>
            <div v-else>
              <el-input
                v-model="changeTabName"
                size="mini"
                @blur="reTabName"
                maxlength="32"
                :autofocus="true"
              ></el-input>
            </div>
          </template>
        </el-tab-pane>
      </el-tabs>
      <!-- 添加标签 -->
      <div class="addCollect">
        <div v-if="!isAddCollect">
          <el-icon color="#2E6BC8">
            <Plus />
          </el-icon>
          <span @click="toAddCollectFn">添加标签</span>
        </div>
        <div v-else>
          <el-input
            v-model="tabName"
            size="mini"
            @change="addCollectFn"
            maxlength="32"
            :autofocus="true"
          ></el-input>
        </div>
      </div>
    </div>
    <el-collapse v-model="activeNames">
      <div v-if="isList">
        <el-collapse-item name="folder">
          <template #title>
            <span class="collapseItem_title">文件夹</span>
          </template>
          <!-- 表格 -->
          <el-table
            :data="tableData"
            style="width: 100%"
            height="250"
            :scrollbar-always-on="true"
          >
            <el-table-column fixed prop="date" label="名称" width="500">
              <template #default="scope">
                <div>
                  <img
                    class="table_icon"
                    src="@/assets/images/fileBox.png"
                    alt=""
                    style=""
                  />
                  {{ scope.row.date }}
                </div>
              </template>
            </el-table-column>
            <el-table-column prop="name" label="时间" width="200" />
            <el-table-column prop="state" label="类型" width="180" />
            <el-table-column prop="city" label="大小" width="160" />
          </el-table>
        </el-collapse-item>
        <el-collapse-item name="file">
          <template #title>
            <span class="collapseItem_title">文件</span>
          </template>
          <!-- 表格 -->
          <el-table
            :data="tableData"
            style="width: 100%"
            height="250"
            :scrollbar-always-on="true"
          >
            <el-table-column fixed prop="date" label="名称" width="500">
              <template #default="scope">
                <div>
                  <img
                    class="table_icon"
                    src="@/assets/images/fileBox.png"
                    alt=""
                    style=""
                  />
                  {{ scope.row.date }}
                </div>
              </template>
            </el-table-column>
            <el-table-column prop="name" label="时间" width="200" />
            <el-table-column prop="state" label="类型" width="180" />
            <el-table-column prop="city" label="大小" width="160" />
          </el-table>
        </el-collapse-item>
      </div>
      <div v-else>
        <el-collapse-item name="folder">
          <template #title>
            <span class="collapseItem_title">文件夹</span>
          </template>
          <!-- 平铺 -->
          <el-scrollbar height="360px">
            <div class="tile_box">
              <div class="file_box" v-for="item in 20" :key="item">
                <img
                  class="big_file_img"
                  src="@/assets/images/fileBox.png"
                  alt=""
                />
                <span>Inceptos</span>
              </div>
            </div>
          </el-scrollbar>
        </el-collapse-item>
        <el-collapse-item name="file">
          <template #title>
            <span class="collapseItem_title">文件</span>
          </template>
          <!-- 平铺 -->
          <el-scrollbar height="360px">
            <div class="tile_box">
              <div class="file_box" v-for="item in 20" :key="item">
                <img
                  class="big_file_img"
                  src="@/assets/images/fileType//file_DOC.png"
                  alt=""
                />
                <span>Inceptos</span>
              </div>
            </div>
          </el-scrollbar>
        </el-collapse-item>
      </div>
    </el-collapse>
  </div>
  <!-- 右键唤出的菜单 -->
  <div
    class="right_menu"
    v-if="visible"
    :style="{ left: left + 'px', top: top + 'px' }"
  >
    <div class="menu_item" @click="reName">
      <img src="@/assets/images/textbox.png" alt="" />
      <span>重命名</span>
    </div>
    <div class="menu_item" @click="delTabs">
      <img src="@/assets/images/trash.png" alt="" />
      <span>删除</span>
    </div>
  </div>
</template>

<script setup>
import Sortable from "sortablejs";
import draggable from "vuedraggable";
import { onMounted, ref, watch, nextTick } from "vue";
import { toRaw } from "@vue/reactivity";
import {
  listLabel,
  addLabel,
  delLabel,
  updateLabel,
  sortLabel,
} from "@/api/biz/label.js";
import { listFavorite } from "@/api/biz/favorite.js";
const activeNames = ref(["folder", "file"]);
const clickCollect = ref("first"); //当前标签
const isAddCollect = ref(false); //是否在添加标签
const tabName = ref(""); //新增的标签名
const changeTabName = ref(""); //修改的标签名
const tabList = ref([]);
const tableData = [
  {
    date: "2016-05-03",
    name: "Tom",
    state: "California",
    city: "Los Angeles",
    address: "No. 189, Grove St, Los Angeles",
    zip: "CA 90036",
  },
  {
    date: "2016-05-02",
    name: "Tom",
    state: "California",
    city: "Los Angeles",
    address: "No. 189, Grove St, Los Angeles",
    zip: "CA 90036",
  },
  {
    date: "2016-05-04",
    name: "Tom",
    state: "California",
    city: "Los Angeles",
    address: "No. 189, Grove St, Los Angeles",
    zip: "CA 90036",
  },
  {
    date: "2016-05-01",
    name: "Tom",
    state: "California",
    city: "Los Angeles",
    address: "No. 189, Grove St, Los Angeles",
    zip: "CA 90036",
  },
  {
    date: "2016-05-08",
    name: "Tom",
    state: "California",
    city: "Los Angeles",
    address: "No. 189, Grove St, Los Angeles",
    zip: "CA 90036",
  },
  {
    date: "2016-05-06",
    name: "Tom",
    state: "California",
    city: "Los Angeles",
    address: "No. 189, Grove St, Los Angeles",
    zip: "CA 90036",
  },
  {
    date: "2016-05-07",
    name: "Tom",
    state: "California",
    city: "Los Angeles",
    address: "No. 189, Grove St, Los Angeles",
    zip: "CA 90036",
  },
];
const visible = ref(false); //显示右键菜单
const top = ref(0);
const left = ref(0);
const thisTab = ref({}); //当前右键的标签
const isChangeTabName = ref(0); //存放修改状标签的id
onMounted(async () => {
  await getList();
  await getCollectList();
  rowDrop();
  // 添加监听，点击其他地方关闭菜单
  window.addEventListener("click", closeMenu, true);
});
// tab右键事件
const tabClick = (e, item) => {
  e.preventDefault();
  e.stopPropagation();
  // console.log("e", e);
  // console.log("item", toRaw(item));
  thisTab.value = item;
  //  唤出右键菜单，思路：获取鼠标位置来定位菜单
  visible.value = true;
  top.value = e.pageY;
  left.value = e.pageX;
};
// 关闭右键菜单
const closeMenu = () => {
  // console.log("close");
  visible.value = false;
};
//添加标签
const toAddCollectFn = async () => {
  isAddCollect.value = true;
};
const addCollectFn = async () => {
  if (!tabName.value) {
    isAddCollect.value = false;
    return;
  }

  const list = toRaw(tabList.value);
  let order = 0;
  if (list.length > 0) {
    order = getBigOrder(list);
  }

  const res = await addLabel({
    labelName: tabName.value,
    orderNum: order,
  });
  if (res.code == 200) {
    isAddCollect.value = false;
    tabName.value = "";
    getList();
  }
};
//获取标签数据
const getList = async () => {
  const res = await listLabel();
  console.log("tabList =", res);
  if (res.rows.length > 0) {
    let dates = JSON.parse(JSON.stringify(res.rows));
    dates.sort(sortArr("orderNum"));
    tabList.value = [...dates];
    // console.log("tabList", tabList.value);
    // console.log("dates", dates);
  }
};
// 删除标签
const delTabs = async () => {
  let tabDetail = toRaw(thisTab.value);
  const res = await delLabel(tabDetail.labelId); //直接传id
  // console.log("delres = ", res);
  getList();
};
//获取收藏数据
const getCollectList = async () => {
  const res = await listFavorite();
  //   console.log("collectres = ", res);
  if (res.code === 200 && res.rows.length > 0) {
    tableData.value = res.rows;
  }
};
// 修改便签名
const reName = async () => {
  console.log("thisTab", toRaw(thisTab.value));
  let tabDetail = toRaw(thisTab.value);
  changeTabName.value = tabDetail.labelName;
  isChangeTabName.value = tabDetail.labelId;
};
const reTabName = async () => {
  let tabDetail = toRaw(thisTab.value);
  const res = await updateLabel({
    labelId: tabDetail.labelId,
    labelName: changeTabName.value,
  });
  await getList();
  isChangeTabName.value = 0;
  console.log("rename", res);
};
//拖拽事件
const rowDrop = () => {
  const el = document.querySelector(".tabSign .el-tabs__nav"); //找到想要拖拽的那一列
  // console.log('el',el);
  const _this = toRaw(JSON.parse(JSON.stringify(tabList.value))); //否则下面遍历会出错
  // console.log("_this", _this);
  Sortable.create(el, {
    filter: "#tab-first,#tab-second", //限制哪些可以拖动
    preventOnFilter: true,
    onChoose: function (/**Event*/ evt) {
      evt.oldIndex;
      console.log("evt", evt);
    },
    //结束拖拽事件
    async onEnd({ newIndex, oldIndex, to }) {
      //拿到交换前后对应的index
      const ni = newIndex - 3;
      const oi = oldIndex - 3;
      let list = toRaw(tabList.value);
      list = list.filter((item) => item); //筛除空数据
      console.log("list", list);
      console.log("newIndex", ni);
      console.log("oldIndex", oi);
      const newList = list.map((item, index) => {
        console.log("item", item);
        if (oi > ni) {
          // 从后往前，需要将oi和ni之间的+1
          if (index === oi) {
            item.orderNum = _this[ni].orderNum;
            // console.log("oiitem", item);
          } else if(ni<index<oi) {
            item.orderNum += 1;
          }
        } else if (oi < ni) {
          // 从前往后，需要将oi和ni之间的-1
           if (index === oi) {
            item.orderNum = _this[ni].orderNum;
            // console.log("oiitem", item);
          } else if(oi<index<ni) {
            item.orderNum -= 1;
          }
        }

        return item;
      });
      console.log("newList", newList);

      const res = await sortLabel(newList);
      console.log("res", res);
      await getList();
    },
  });
};

// 工具函数
//获取新增标签时要赋予的ordername
const getBigOrder = (arr) => {
  let num = 0;
  arr.forEach((item) => {
    if (item.orderNum > num) {
      num = item.orderNum;
    }
  });
  return num + 1;
};
//数组排序
const sortArr = (field) => {
  return function (a, b) {
    return a[field] - b[field];
  };
};
</script>

<style lang="scss" scoped>
.container {
  height: 100%;
  background-color: #fff;
  border-radius: 4px;
  .tags {
    display: flex;
    width: 100%;
    height: 40px;
    box-sizing: border-box;
    border-top: 1px solid #c1cce3;
    border-bottom: 1px solid #c1cce3;
    background-color: #f5f7f9;
  }
  .addCollect {
    margin-left: 16px;
    cursor: pointer;
    height: 100%;
    line-height: 40px;
    font-size: 14px;
    color: #2e6bc8;
    font-weight: 400;
    vertical-align: middle;
  }
}
.right_menu {
  width: 100px;
  position: absolute;
  padding: 8px;
  box-shadow: 0px 2px 10px 1px rgba(199, 203, 216);
  border-radius: 4px 4px 4px 4px;
  border: 1px solid #c1cce3;
  background-color: #fff;
  z-index: 10000;
  .menu_item {
    width: 100%;
    height: 40px;
    border-radius: 4px 4px 4px 4px;
    display: flex;
    align-items: center;
    &:hover {
      background-color: #f5f7f9;
    }
    span {
      margin-left: 4px;
    }
  }
}

// tag间距
::v-deep .el-tabs__item {
  padding: 0 16px !important;
  color: #505870 !important;
  font-weight: 400 !important;
}
::v-deep .el-tabs--top .el-tabs__item.is-top:last-child {
  padding-right: 0 !important;
}
// tag选中颜色
::v-deep .el-tabs__item.is-active {
  color: #2e6bc8 !important;
  font-weight: normal;
  font-family: Inter-SemiBold;
}
::v-deep .el-tabs__active-bar {
  background-color: #2e6bc8;
}

.table_icon {
  height: 27px;
  width: 27px;
  vertical-align: middle;
}
::v-deep .el-collapse-item__content {
  padding-bottom: 0;
}
::v-deep .el-collapse-item__header {
  background-color: #ebeff6 !important;
  width: 100% !important;
  height: 24px !important;
}
::v-deep .el-collapse-item__arrow {
  position: relative;
  color: #2e6bc8;
  right: 97%;
}
::v-deep .el-table td.el-table__cell {
  border: none;
  font-size: 14px !important;
  font-weight: 400 !important;
  color: #000 !important;
}
::v-deep .el-table__row {
  height: 35px !important;
}
::v-deep .el-table .el-table__header-wrapper th {
  border-bottom: none;
  border-right: 1px solid #c1cce3;
  background-color: #fff !important;
  color: #505870;
  font-size: 14px;
}
.collapseItem_title {
  position: relative;
  left: 40px;
  color: #2e6bc8;
  font-family: Inter-Medium;
  font-size: 12px;
}
// 表格右边3个靠右对齐
::v-deep .el-table__header thead tr th {
  font-family: Inter-Medium;
  font-size: 14px;
  color: #505870;
  text-align: right;
  &:nth-child(1) {
    text-align: left;
  }
}
::v-deep .el-table__body tbody [class*="column_"] {
  text-align: right;
  &:nth-child(4n + 1) {
    text-align: left;
  }
}
//平铺
.tile_box {
  width: 100%;
  height: 300px;
  display: flex;
  flex-wrap: wrap;
  .file_box {
    width: 116px;
    min-height: 138px;
    // border: 1px solid #000;
    display: flex;
    flex-direction: column;
    align-items: center;
    .big_file_img {
      width: 100px;
      height: 100px;
    }
    span {
      font-size: 14px;
      font-weight: 400;
      line-height: 22px;
    }
  }
}
</style>