<template>
  <div class="knowledge-base-management">
    <div class="top-bar">
      <div class="search">
        <el-input v-model="querySearch" size="large" placeholder="搜索" @keydown.enter="getKnowledgeBase"
          :prefix-icon="Search" />
      </div>
      <div class="menu-change">
        <el-radio-group v-model="arrange" size="large" fill="#5780FC">
          <el-radio-button label="New York" value="list">
            <el-icon size="24">
              <List />
            </el-icon>
          </el-radio-button>
          <el-radio-button label="Washington" value="grid">
            <el-icon size="24">
              <Grid />
            </el-icon>
          </el-radio-button>
        </el-radio-group>
      </div>
    </div>
    <main>
      <div class="grid-arrange" v-if="arrange === 'grid'">
        <div class="box">
          <div>
            <span class="icon" @click="handleCreateKB"><el-icon>
                <Plus />
              </el-icon></span>
            <span class="text">创建知识库</span>
          </div>
        </div>
        <div class="box box1" v-for="(item, index) in KBData" :key="item.id">
          <div class="top">
            <span class="icon">
              <i class="folder-icon" style="height: 32px;width:32px;"></i>
            </span>
            <span class="text">
              <div class="title" @click="toKMById(item.id)">{{ item.name }}</div>
              <div class="remark">
                <el-tag type="info" effect="plain" hit>{{ item.tags }}</el-tag>
              </div>
            </span>
          </div>
          <div class="middle">
            <el-text line-clamp="3">
              {{ item.description }}
            </el-text>
          </div>
          <div class="bottom">
            <span class="add-label">
              <i class="label-icon"></i>
              <i class="label-text">添加标签</i>
              <i class="circle-plus" @click="handleAddKBTags(index)"> <el-icon>
                  <CirclePlus />
                </el-icon></i>
            </span>

            <el-popover class="box-item" popper-class="grid-arrange-operation" title="Title"
              content="Bottom Left prompts info" placement="bottom" trigger="click">
              <template #reference>
                <span class="operation">
                  <el-icon>
                    <MoreFilled />
                  </el-icon>
                </span>
              </template>
              <template #default>
                <div><el-button link @click="handleEditKB(item)">编辑</el-button></div>
                <div><el-button link type="danger" @click="handleDeleteKB(item.id)">删除</el-button></div>
              </template>
            </el-popover>

          </div>
        </div>
      </div>
      <div class="list-arrange" v-if="arrange === 'list'">
        <div class="list-arrange-top"><button class="create-kb" @click="handleCreateKB">创建知识库</button></div>
        <el-table class="elTable" :data="KBData" style="width: 100%; min-width: 0px;">
          <el-table-column prop="name" label="知识库名称">
            <template #default="{ row }">
              <div class="list-name">
                <div class="icon-area">
                  <i class="document-icon"></i>
                </div>
                <div class="text-area">
                  <div class="name" @click="toKMById(row.id)">{{ row.name }}</div>
                  <div class="remark">{{ row.description }}</div>
                </div>
              </div>
            </template>
          </el-table-column>
          <el-table-column prop="file_count" label="文件上数量" min-width="120" />
          <el-table-column prop="tags" label="知识库标签">
            <template #default="{ row }">
              <i style="white-space: nowrap;text-overflow: ellipsis;">{{ row.tags }}</i>
            </template>
          </el-table-column>
          <el-table-column prop="created_at" label="知识库创建时间" min-width="150" />
          <el-table-column prop="creator" label="创建人" />
          <el-table-column fixed="right" label="操作" width="200">
            <template #default="{ row }">
              <el-button link type="primary" @click="toKMById(row.id)">
                查看
              </el-button>
              <el-button link type="primary" @click="handleEditKB(row)">
                编辑
              </el-button>
              <el-button link type="danger" @click="handleDeleteKB(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </div>
    </main>
    <footer>
      <div class="pagination" v-if="totalPage > 1 || paginationData.defaultPageSize !== paginationData.currentPageSize">
        <el-pagination :current-page="paginationData.currentPage" :page-sizes="paginationData.pageSizes"
          :disabled="paginationData.disabled" :default-page-size="paginationData.defaultPageSize"
          layout="total, sizes, prev, pager, next, jumper" :total="paginationData.total" @size-change="handleSizeChange"
          @current-change="handleCurrentChange" />
      </div>
    </footer>

    <!-- 创建知识库的对话框 -->
    <el-dialog v-model="dialogFormVisible" class="kb-dialog" :show-close="true" title="创建知识库" width="800">
      <!-- <template #header>
        <div class="kb-dialog-header">
          <i @click="dialogFormVisible = false"><el-icon>
              <ArrowLeft />
            </el-icon></i>
          <i>创建知识库</i>
        </div>
      </template> -->
      <div class="form-title">定义知识库</div>
      <el-form :model="formData" label-width="auto" :rules="rules" ref="formRef" style="max-width: 700px">
        <el-form-item label="知识库名称：" label-width="150" prop="name" required label-position="left">
          <el-input maxlength="50" v-model.trim="formData.name" show-word-limit />
          <div class="name-tip">仅支持中文、英文、数字、下划线（_）、中划线（-）、英文点（.）</div>
        </el-form-item>


        <el-form-item label="知识库备注：" prop="description" label-width="150" label-position="left">
          <el-input maxlength="400" type="textarea" show-word-limit v-model="formData.description" resize="none"
            :autosize="{ minRows: 6, maxRows: 6 }" placeholder="请输入知识库内容备注说明，便于查找和管理知识库。备注不影响Agent对知识库的调用效果" />
        </el-form-item>
        <div style="margin-bottom: 20px;"></div>
        <el-form-item label="知识库标签：" prop="tags" label-width="150" label-position="left">
          <el-input-tag type="text" placeholder="按Enter回车键添加输入内容为标签" v-model="formData.tags" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="handleSubmit">
            确认
          </el-button>
          <el-button @click="dialogFormVisible = false">取消</el-button>
        </div>
      </template>
    </el-dialog>
    <EditKBDialog v-model="editKBDialogData.show" :knowledgeBase="editKBDialogData.kb" @updateKB="handleUpdateKB" />

  </div>
</template>

<script setup>
import { ref, getCurrentInstance, onMounted, watch, toRaw, computed } from "vue"
import { useRouter } from "vue-router"
import { Search } from '@element-plus/icons-vue'
import { confirmDelete } from "@/utils/confirmation"
import EditKBDialog from "@/components/EditKBDialog.vue"
import { api } from "@/utils/config.js"
import { ElMessage, ElMessageBox } from "element-plus"
const router = useRouter()
const { proxy } = getCurrentInstance()
let editKBDialogData = ref({ show: false, kb: {} })
let KBData = ref([])
let arrange = ref("grid")
let querySearch = ref("")
let dialogFormVisible = ref(false)
defineOptions({
  name: 'KBMComponent'
});
const formData = ref({
  name: "",
  description: "",
  tags: ""
})
const rules = {
  name: [
    { required: true, message: '', trigger: 'blur' },
    {
      pattern: /^[\u4e00-\u9fa5a-zA-Z0-9_\-\. ]+$/u,
      message: '',
      trigger: 'blur'
    }
  ],
}

const handleSubmit = () => {
  const formRef = proxy.$refs['formRef']
  console.log('formRef', formRef)
  formRef.validate((valid) => {
    if (valid) {
      // console.log("通过")
      postKnowledgeBase(formData.value)
      dialogFormVisible.value = false
      proxy.$refs['formRef'].resetFields()
    } else {
      console.log("未通过")
    }
  })
}

const handleCreateKB = () => {
  dialogFormVisible.value = true
}

const handleDeleteKB = (id) => {
  confirmDelete({
    title: '要删除知识库吗？',
    content: '删除知识库是不可逆的。用户将无法再访问您的知识库，所有的提示配置和日志将被永久删除。'
  },
    async () => {
      try {
        const data = await proxy.$http.delete(api.knowledgeBase + `/${id}`)
        ElMessage({
          message: "知识库删除成功",
          type: 'success'
        })
        getKnowledgeBase()
      } catch (e) {
        console.log(e)
      }
      // console.log("删除")

      // let { data, code } = result
      // if (code === 200) {
      //   getKnowledgeBase()
      // }
    },
    () => {
      console.log("不删除")
    }
  )
}
function handleAddKBTags(index) {
  const item = KBData.value[index]
  ElMessageBox.prompt('请输入标签', '添加知识库标签', {
    confirmButtonText: '提交',
    cancelButtonText: '取消',
    inputValue: item.tags,
    inputPattern:
      /^\S.*$/u,
    inputErrorMessage: '无效输入',
  })
    .then(async ({ value }) => {
      const data = await proxy.$http.put(api.knowledgeBase + `/${item.id}`, {
        "name": item.name,
        "description": item.description,
        "tags": value
      })
      ElMessage({
        type: 'success',
        message: `添加知识库标签成功！`,
      })
      KBData.value.splice(index, 1, data)
      // getKnowledgeBase()
    })
    .catch((e) => {
      console.log(e)
    })
}
const handleEditKB = (data) => {
  editKBDialogData.value.show = true
  // console.log(toRaw(data))
  editKBDialogData.value.kb = toRaw(data)
  // console.log(toRaw(data), editKBDialogData.value)
}
const handleUpdateKB = () => {
  getKnowledgeBase()
}
const paginationData = ref({
  currentPage: 1,
  pageSizes: [11, 50, 100, 200],
  disabled: false,
  total: 0,
  defaultPageSize: 11,
  currentPageSize: 11
})
const totalPage = computed(() => {
  return Math.ceil(paginationData.value.total / paginationData.value.currentPageSize)
})

const handleSizeChange = (pageSize) => {
  paginationData.value.currentPageSize = pageSize
  // console.log('handleSizeChange', pageSize)
}

const handleCurrentChange = (page) => {
  paginationData.value.currentPage = page
  // console.log('handleCurrentChange', page)
}

const getKnowledgeBase = async () => {
  try {
    const data = await proxy.$http.get(api.knowledgeBase,
      {
        params: {
          name: querySearch.value,
          pageNo: paginationData.value.currentPage,
          pageSize: paginationData.value.currentPageSize
        }
      })
    // const { data, msg, code } = result
    KBData.value = data.list
    paginationData.value.total = data.total
    // if (code === 200) {
    //   KBData.value = data.list
    //   paginationData.value.total = data.total
    // }
  } catch (e) {
    console.log(e)
  }
}

const postKnowledgeBase = async (formData) => {
  try {
    const data = await proxy.$http.post(api.knowledgeBase, {
      name: formData.name,
      description: formData.description,
      tags: formData.tags
    })
    // const { data, msg, code } = result
    getKnowledgeBase()
    // if (code === 200) {
    //   // KBData.value = data
    //   getKnowledgeBase()
    // }
  } catch (e) {
    console.log(e)
  }
}

watch(() => paginationData.value.currentPage, () => {
  getKnowledgeBase()
}, { immediate: true })

watch(() => paginationData.value.currentPageSize, () => {
  getKnowledgeBase()
})

const toKMById = (id) => {
  router.push({ name: 'km', params: { kbId: id } })
}

onMounted(() => {

})


</script>

<style lang="less" scoped>
@import "@/assets/css/common.less";
// @bgColor: #F2F4F7;

.knowledge-base-management {
  background-color: @bgColor;
  // width: 100%;
  min-height: 100%;
  box-sizing: border-box;

  .top-bar {
    display: flex;
    justify-content: space-between;
    background: white;
    // padding: 5px 10px;
  }

  .search {
    padding: 10px 20px;
    margin: 5px;
    background: white;

    /deep/ .el-input__wrapper {
      background-color: @bgColor;
      border-radius: 30px;
    }

    .el-input {
      width: 300px;
    }
  }

  .menu-change {
    margin: 5px;
    padding: 5px 20px;
    background-color: #fff;

    /deep/ .el-radio-button__inner {
      padding: 5px 30px;
    }

    /deep/ .el-radio-button {
      &:first-child {
        .el-radio-button__inner {
          border-radius: 10px 0px 0px 10px;
        }

      }

      &:last-child {
        .el-radio-button__inner {
          border-radius: 0px 10px 10px 0px;
        }

      }
    }
  }

  main {
    padding: 10px 10px;
    // width: 100%;

    .grid-arrange {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
      gap: 20px;
      padding: 0px 20px;

      .text {
        font-weight: bold;
        margin-left: 10px;
      }

      .box {
        // width: ;
        height: 200px;
        border: 1px solid #E5E8EC;
        border-radius: 10px;
        box-shadow: 0px 0px 1px gray;
        box-sizing: border-box;
        padding: 20px 10px 20px 15px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;

        .top {
          display: flex;
          flex: 0 0 auto;


          .icon {
            flex: 0 0 auto;
          }

          // font-size: 13px;
          .text {
            display: flex;
            flex-direction: column;
            justify-content: space-evenly;
            flex: 1 1 auto;
            min-width: 0px;

            .title {
              &:hover {
                text-decoration: underline;
                cursor: pointer;
              }

              white-space: nowrap;
              display: inline-block;
              text-overflow: ellipsis;
              // max-width: 100%;
              // width: 100px;
              overflow: hidden;
            }

            .remark {
              color: #C7CAD2;
              font-weight: 100;
              font-size: 13px;
              display: inline;
              white-space: nowrap;
              text-overflow: ellipsis;
              max-width: 100%;
              overflow: hidden;
            }
          }

        }

        .middle {
          flex: 1 1 auto;
          overflow: hidden;
          color: #A7B8CF;

          .el-text {
            line-height: 1.5;
          }
        }

        .bottom {
          flex: 0 0 auto;
          display: flex;
          justify-content: space-between;

          span {
            display: inline-block;

          }

          .add-label {
            display: flex;
            align-items: center;
            gap: 0px 5px;

            .circle-plus {
              &:hover {
                color: #409EFF;
              }
            }

            .label-icon {
              width: 20px;
              height: 20px;
              // margin-right: 10px;
            }

            .label-text {
              vertical-align: bottom;
            }
          }

          .operation {
            padding: 10px;
            background: #EFEFF0;


          }
        }
      }

      .box1 {
        background-color: #FCFCFD;

        .icon {

          background-color: #F5F8FF;

        }
      }
    }

    .list-arrange {
      // width: 100%;

      .list-arrange-top {
        clear: both;
        min-height: 50px;
        background-color: #fff;
        padding: 10px 20px;
        box-sizing: border-box;

        .create-kb {
          margin-left: auto;
          display: inline-block;
          float: right;
          border: none;
          padding: 8px 15px;
          border-radius: 5px;
          font-weight: bold;
          color: #fff;
          font-size: 18px;
          background-color: #2468F2;
        }
      }

      /* el-table 宽度自适应 */
      .elTable {
        width: 100%;
      }

      .elTable /deep/ .el-table__header-wrapper table,
      .elTable /deep/ .el-table__body-wrapper table {
        width: 100% !important;
      }

      .elTable /deep/ .el-table__body,
      .elTable /deep/ .el-table__footer,
      .elTable /deep/ .el-table__header {
        table-layout: auto;
      }

      .elTable /deep/ .el-table__empty-block,
      .elTable /deep/ .el-table__body {
        width: 100% !important;
      }

      /deep/.el-table__inner-wrapper {
        .el-table__header-wrapper {
          .el-table__cell {
            background-color: #F2F5F9;
            border: 1px solid #FFFFFF;
            border-collapse: collapse;
          }
        }
      }

      /deep/.el-table__body {
        .list-name {
          display: flex;
          align-items: center;

          .icon-area {
            flex: 0 0 auto;
            padding: 4px;
            background-color: #7733FF;
            border-radius: 50%;

            .document-icon {
              width: 32px;
              height: 32px;
            }
          }

          .text-area {
            margin-left: 10px;
            flex: 1 1 auto;
            min-width: 0px;
            display: flex;
            flex-direction: column;
            align-items: center;

            .name {
              width: 100%;
              font-weight: bold;
              font-size: 16px;
              white-space: nowrap;
              text-overflow: ellipsis;
              cursor: pointer;
              overflow: hidden;
              display: inline-block;
              vertical-align: middle;
            }

            .remark {
              width: 100%;
              white-space: nowrap;
              text-overflow: ellipsis;
              cursor: pointer;
              overflow: hidden;
              display: inline-block;
              color: #C8C9CB;
              vertical-align: middle;
            }
          }
        }
      }
    }

    .icon {
      display: inline-block;
      background-color: #F9FAFB;
      padding: 10px;
    }
  }

  .pagination {
    // text-align: right;
    // background-color: @bgColor;
    display: flex;
    padding: 0px 20px;

    /deep/.el-pagination {
      background-color: #fff;
      // justify-content: end;
      margin-left: auto;
      padding: 10px 20px 20px;
      // margin: 0px 20px;

      .page-box {
        border: 1px solid #E7E8EE;
        border-radius: 3px;
        box-sizing: border-box;
      }

      .el-pager {
        .is-active {
          color: #fff;
          background-color: #5780FC;
        }

        .number {
          .page-box();
          margin-left: 10px;

          &:last-child {
            margin-right: 10px;
          }
        }
      }

      .btn-next,
      .btn-quicknext,
      .btn-quickprev,
      .btn-prev {
        .page-box()
      }

      .btn-quicknext,
      .btn-quickprev {
        margin-left: 10px;
      }
    }


  }

  .kb-dialog {
    .form-title {
      font-weight: bold;
      font-size: 16px;
      color: #000;
      padding: 20px 0px;
    }

    .el-dialog__header {
      .kb-dialog-header {
        font-weight: bold;
        font-size: 20px;
        display: flex;
        align-items: center;
        color: #2B2C38;

        .el-icon {
          margin-right: 30px;
          cursor: pointer;
        }
      }

      .el-dialog__headerbtn {
        display: none;
      }
    }

    .name-tip {
      color: #C7CAD2;
      text-align: right;
      // margin-left: auto;
    }

    .dialog-footer {
      text-align: center;
      padding: 50px 0px 100px;

      .el-button,
      .el-button.is-round {
        padding: 10px 40px;
      }
    }

  }
}
</style>

<style lang="less">
.grid-arrange-operation {

  .el-popover__title {
    display: none;
  }

  padding: 0px;

  .el-button {

    font-size: 16px;
    min-width: 0px !important;
    width: 50px !important;
  }

}
</style>
