<template>
    <div class="app-container">
        <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
            <el-form-item label="书名" prop="title">
                <el-input v-model="queryParams.title" placeholder="请输入书名" clearable @keyup.enter="handleQuery" />
            </el-form-item>
            <el-form-item label="作者" prop="author">
                <el-input v-model="queryParams.author" placeholder="请输入作者" clearable @keyup.enter="handleQuery" />
            </el-form-item>
            <el-form-item label="出版机构" prop="institution">
                <el-input
                    v-model="queryParams.institution"
                    placeholder="请输入出版机构"
                    clearable
                    @keyup.enter="handleQuery"
                />
            </el-form-item>
            <el-form-item label="主题词" prop="topic">
                <el-input v-model="queryParams.topic" placeholder="请输入主题词" clearable @keyup.enter="handleQuery" />
            </el-form-item>
            <el-form-item label="出版年" prop="publicationTime">
                <el-input
                    v-model="queryParams.publicationTime"
                    placeholder="请输入出版年"
                    clearable
                    @keyup.enter="handleQuery"
                />
            </el-form-item>
            <el-form-item label="分类号" prop="category">
                <el-input v-model="queryParams.category" placeholder="请输入分类号" clearable @keyup.enter="handleQuery" />
            </el-form-item>
            <el-form-item>
                <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
                <el-button icon="Refresh" @click="resetQuery">重置</el-button>
            </el-form-item>
        </el-form>

        <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
                <el-button type="primary" plain icon="Plus" @click="handleAdd">新增</el-button>
            </el-col>
            <!-- <el-col :span="1.5">
                <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate">修改</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete">删除</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="warning" plain icon="Download" @click="handleExport">导出</el-button>
            </el-col> -->
            <el-col :span="1.5">
                <el-button type="warning" plain icon="Upload" @click="handleImport">导入</el-button>
            </el-col>
            <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <!--  导入  -->
        <el-dialog :title="upload.title" v-model="upload.open" width="400px" append-to-body>
            <el-upload
                :limit="1"
                accept=".xls,.xlsx"
                ref="uploadRef"
                :headers="upload.headers"
                :action="upload.url + '?updateSupport=' + upload.updateSupport"
                :disabled="upload.isUploading"
                :on-progress="handleFileUploadProgress"
                :on-success="handleFileSuccess"
                :auto-upload="false"
                drag
            >
                <el-icon class="el-icon--upload"><upload-filled /></el-icon>
                <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
                <template #tip>
                    <div class="el-upload__tip text-center">
                        <div class="el-upload__tip">
                            <el-checkbox v-model="upload.updateSupport" />是否更新已经存在的用户数据
                        </div>
                        <span>仅允许导入xls、xlsx格式文件。</span>
                        <el-link
                            type="primary"
                            :underline="false"
                            style="font-size: 12px; vertical-align: baseline"
                            @click="importTemplate"
                            >下载模板</el-link
                        >
                    </div>
                </template>
            </el-upload>
            <template #footer>
                <div class="dialog-footer" style="text-align: right">
                    <el-button @click="upload.open = false">取 消</el-button>
                    <el-button type="primary" @click="submitFileForm">确 定</el-button>
                </div>
            </template>
        </el-dialog>

        <el-table v-loading="loading" :data="researchList" @selection-change="handleSelectionChange">
            <!-- <el-table-column type="selection" width="55" align="center" /> -->
            <!-- <el-table-column label="序号" align="center" prop="id" /> -->
            <el-table-column label="书名" align="center" prop="title" />
            <el-table-column label="作者" align="center" prop="author" />
            <el-table-column label="出版机构" align="center" prop="institution" />
            <el-table-column label="主题词" align="center" prop="topic" />
            <el-table-column label="出版年" align="center" prop="publicationTime" />
            <el-table-column label="分类号" align="center" prop="category" />
            <!-- <el-table-column label="排序" align="center" prop="sort" /> -->
            <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
                <template #default="scope">
                    <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)">修改</el-button>
                    <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)">删除</el-button>
                </template>
            </el-table-column>
        </el-table>

        <pagination
            v-show="total > 0"
            :total="total"
            v-model:page="queryParams.pageNum"
            v-model:limit="queryParams.pageSize"
            @pagination="getList"
        />

        <!-- 添加或修改研究对话框 -->
        <el-dialog :title="title" v-model="open" width="500px" append-to-body>
            <el-form ref="researchRef" :model="form" :rules="rules" label-width="80px">
                <el-form-item label="书名" prop="title">
                    <el-input v-model="form.title" placeholder="请输入书名" />
                </el-form-item>
                <el-form-item label="作者" prop="author">
                    <el-input v-model="form.author" placeholder="请输入作者" />
                </el-form-item>
                <el-form-item label="出版机构" prop="institution">
                    <el-input v-model="form.institution" placeholder="请输入出版机构" />
                </el-form-item>
                <el-form-item label="主题词" prop="topic">
                    <el-input v-model="form.topic" placeholder="请输入主题词" />
                </el-form-item>
                <el-form-item label="出版年" prop="publicationTime">
                    <el-input v-model="form.publicationTime" placeholder="请输入出版年" />
                </el-form-item>
                <el-form-item label="分类号" prop="category">
                    <el-input v-model="form.category" placeholder="请输入分类号" />
                </el-form-item>
                <el-form-item label="排序" prop="sort">
                    <el-input v-model="form.sort" placeholder="请输入排序" />
                </el-form-item>
            </el-form>
            <template #footer>
                <div class="dialog-footer">
                    <el-button type="primary" @click="submitForm">确 定</el-button>
                    <el-button @click="cancel">取 消</el-button>
                </div>
            </template>
        </el-dialog>
    </div>
</template>

<script setup name="Research">
import { listResearch, getResearch, delResearch, addResearch, updateResearch } from '@/api/VRdemo/research'
import { getToken } from '@/utils/auth'

const { proxy } = getCurrentInstance()

const researchList = ref([])
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref('')

const data = reactive({
    form: {},
    queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        author: null,
        institution: null,
        topic: null,
        publicationTime: null,
        sort: null,
        category: null
    },
    rules: {}
})

//文件上传
const upload = reactive({
    // 是否显示弹出层（应用导入）
    open: false,
    // 弹出层标题（应用导入）
    title: '',
    // 是否禁用上传
    isUploading: false,
    // 是否更新已经存在的用户数据
    updateSupport: 0,
    // 设置上传的请求头部
    headers: { Authorization: 'Bearer ' + getToken() },
    // 上传的地址
    url: import.meta.env.VITE_APP_BASE_API + '/vr/research/import'
})

const { queryParams, form, rules } = toRefs(data)

/** 查询研究列表 */
function getList() {
    loading.value = true
    listResearch(queryParams.value).then(response => {
        researchList.value = response.rows
        total.value = response.total
        loading.value = false
    })
}

// 取消按钮
function cancel() {
    open.value = false
    reset()
}

// 表单重置
function reset() {
    form.value = {
        id: null,
        title: null,
        author: null,
        institution: null,
        topic: null,
        publicationTime: null,
        category: null,
        sort: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null
    }
    proxy.resetForm('researchRef')
}

/** 搜索按钮操作 */
function handleQuery() {
    queryParams.value.pageNum = 1
    getList()
}

/** 重置按钮操作 */
function resetQuery() {
    proxy.resetForm('queryRef')
    handleQuery()
}

// 多选框选中数据
function handleSelectionChange(selection) {
    ids.value = selection.map(item => item.id)
    single.value = selection.length != 1
    multiple.value = !selection.length
}

/** 新增按钮操作 */
function handleAdd() {
    reset()
    open.value = true
    title.value = '添加研究'
}

/** 修改按钮操作 */
function handleUpdate(row) {
    reset()
    const _id = row.id || ids.value
    getResearch(_id).then(response => {
        form.value = response.data
        open.value = true
        title.value = '修改研究'
    })
}

/** 提交按钮 */
function submitForm() {
    proxy.$refs['researchRef'].validate(valid => {
        if (valid) {
            if (form.value.id != null) {
                updateResearch(form.value).then(response => {
                    proxy.$modal.msgSuccess('修改成功')
                    open.value = false
                    getList()
                })
            } else {
                addResearch(form.value).then(response => {
                    proxy.$modal.msgSuccess('新增成功')
                    open.value = false
                    getList()
                })
            }
        }
    })
}

/** 删除按钮操作 */
function handleDelete(row) {
    const _ids = row.id || ids.value
    proxy.$modal
        .confirm('是否确认删除研究编号为"' + _ids + '"的数据项？')
        .then(function () {
            return delResearch(_ids)
        })
        .then(() => {
            getList()
            proxy.$modal.msgSuccess('删除成功')
        })
        .catch(() => {})
}

/** 导出按钮操作 */
function handleExport() {
    proxy.download(
        'vr/research/export',
        {
            ...queryParams.value
        },
        `research_${new Date().getTime()}.xlsx`
    )
}

/** 下载模板 */
function importTemplate() {
    proxy.download('vr/research/importTemplate', {}, `research_template_${new Date().getTime()}.xlsx`)
}

/** 导入按钮 */
function handleImport() {
    upload.title = '应用导入'
    upload.open = true
}

/** 导入确认按钮 */
function submitFileForm() {
    const updateSupportValue = upload.updateSupport
    proxy.$refs['uploadRef'].submit(updateSupportValue)
}

/**导入中处理 */
const handleFileUploadProgress = (event, file, fileList) => {
    upload.isUploading = true
}

/** 导入成功处理 */
const handleFileSuccess = (response, file, fileList) => {
    upload.open = false
    upload.isUploading = false
    proxy.$refs['uploadRef'].handleRemove(file)
    proxy.$alert(
        "<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + '</div>',
        '导入结果',
        { dangerouslyUseHTMLString: true }
    )

    getList()
}

getList()
</script>
