<template>
	<div class="NCC-common-layout">
		<div class="NCC-common-layout-center">
			<el-row class="NCC-common-search-box" :gutter="16">
				<el-form @submit.native.prevent>
					<!-- 优先显示的字段：资料名称、关联产品、设备图号、资料版本、出厂编号、出厂日期 -->
					<el-col :span="6">
						<el-form-item label="资料名称">
							<el-input v-model="query.zlm" placeholder="资料名称" clearable @clear="handleSearchFieldClear" @input="handleInputChange('zlm', $event)" @keyup.enter.native="search" />	
						</el-form-item>
					</el-col>
					<el-col :span="6">
						<el-form-item label="关联产品">
							<el-select v-model="query.fl" placeholder="关联产品" clearable filterable @change="handleSearchFieldChange" @clear="handleSearchFieldClear">
								<el-option v-for="item in cpglOptions" :key="item.id" :label="item.cpmc + ' (' + (item.cpid || item.id) + ')'" :value="item.id"  />
							</el-select>
						</el-form-item>
					</el-col>
					<el-col :span="6">
						<el-form-item label="设备图号">
							<el-input v-model="query.th" placeholder="设备图号" clearable @clear="handleSearchFieldClear" @input="handleInputChange('th', $event)" @keyup.enter.native="search" />	
						</el-form-item>
					</el-col>
					<el-col :span="6">
						<el-form-item label="资料版本">
							<el-input v-model="query.bh" placeholder="资料版本" clearable @clear="handleSearchFieldClear" @input="handleInputChange('bh', $event)" @keyup.enter.native="search" />	
						</el-form-item>
					</el-col>
					<template v-if="showAll">
					<el-col :span="6">
						<el-form-item label="发布日期">
							<el-date-picker v-model="query.fbsj" type="daterange" value-format="timestamp" format="yyyy-MM-dd" start-placeholder="开始日期" end-placeholder="结束日期" @change="handleSearchFieldChange" clearable>
							</el-date-picker>
						</el-form-item>
					</el-col>
					</template>
					<el-col :span="6">
						<el-form-item>
							<el-button type="primary" icon="el-icon-search" @click="search()">查询</el-button>
							<el-button icon="el-icon-refresh-right" @click="reset()">重置</el-button>
							<el-button type="text" icon="el-icon-arrow-down" @click="showAll=true" v-if="!showAll">展开</el-button>
							<el-button type="text" icon="el-icon-arrow-up" @click="showAll=false" v-else>收起</el-button>
						</el-form-item>
					</el-col>
				</el-form>
			</el-row>
			<div class="NCC-common-layout-main NCC-flex-main">
				<div class="NCC-common-head">
					<div>
						<el-button type="primary" icon="el-icon-plus" @click="addOrUpdateHandle()">新增</el-button>
						<el-button type="primary" plain icon="el-icon-download" @click="exportData()">导出</el-button>
						<el-button type="primary" plain icon="el-icon-upload2" @click="uploadForm()">导入</el-button>
					</div>
					<div class="NCC-common-head-right">
						<el-tooltip effect="dark" content="刷新" placement="top">
							<el-link icon="icon-ym icon-ym-Refresh NCC-common-head-icon" :underline="false" @click="reset()" />
						</el-tooltip>
						<screenfull isContainer />
					</div>
				</div>
                <NCC-table v-loading="listLoading" :data="list" has-c @selection-change="handleSelectionChange">
					<el-table-column type="selection" width="45" />
					<el-table-column prop="zlm" label="资料名称" align="left" min-width="120" />
					<el-table-column label="关联产品" prop="fl" align="left" min-width="100">
							<template slot-scope="scope">
								{{ getProductName(scope.row.fl) }}
							</template>
					</el-table-column>
					<el-table-column prop="fbsj" label="发布日期" align="left" width="110">
						<template slot-scope="scope">
							{{ scope.row.fbsj | dateFormat('YYYY-MM-DD HH:mm') }}
						</template>
					</el-table-column>
					<el-table-column prop="bh" label="资料版本" align="left" width="90" />
					<el-table-column prop="th" label="设备图号" align="left" width="100" />
					<el-table-column label="附件(图片)" align="left" min-width="120" show-overflow-tooltip>
						<template slot-scope="scope">
							<div class="zlgl-file-cell">
								<template v-for="(file, idx) in parseFileList(scope.row.fj1)">
									<a :key="'fj1-'+idx" :href="fileUrl(file)" target="_blank" class="file-link">{{ file.name || file.url || '附件' }}</a>
									<span v-if="idx < parseFileList(scope.row.fj1).length - 1" class="file-sep">、</span>
								</template>
								<span v-if="!parseFileList(scope.row.fj1).length" class="text-muted">—</span>
							</div>
						</template>
					</el-table-column>
					<el-table-column label="附件(其它)" align="left" min-width="120" show-overflow-tooltip>
						<template slot-scope="scope">
							<div class="zlgl-file-cell">
								<template v-for="(file, idx) in parseFileList(scope.row.fj2)">
									<a :key="'fj2-'+idx" :href="fileUrl(file)" target="_blank" class="file-link">{{ file.name || file.url || '附件' }}</a>
									<span v-if="idx < parseFileList(scope.row.fj2).length - 1" class="file-sep">、</span>
								</template>
								<span v-if="!parseFileList(scope.row.fj2).length" class="text-muted">—</span>
							</div>
						</template>
					</el-table-column>
					<el-table-column label="技术资料" align="left" min-width="120" show-overflow-tooltip>
						<template slot-scope="scope">
							<div class="zlgl-file-cell">
								<template v-for="(file, idx) in parseFileList(scope.row.jszl)">
									<a :key="'jszl-'+idx" :href="fileUrl(file)" target="_blank" class="file-link">{{ file.name || file.url || '附件' }}</a>
									<span v-if="idx < parseFileList(scope.row.jszl).length - 1" class="file-sep">、</span>
								</template>
								<span v-if="!parseFileList(scope.row.jszl).length" class="text-muted">—</span>
							</div>
						</template>
					</el-table-column>
					<el-table-column label="质量资料" align="left" min-width="120" show-overflow-tooltip>
						<template slot-scope="scope">
							<div class="zlgl-file-cell">
								<template v-for="(file, idx) in parseFileList(scope.row.zlzl)">
									<a :key="'zlzl-'+idx" :href="fileUrl(file)" target="_blank" class="file-link">{{ file.name || file.url || '附件' }}</a>
									<span v-if="idx < parseFileList(scope.row.zlzl).length - 1" class="file-sep">、</span>
								</template>
								<span v-if="!parseFileList(scope.row.zlzl).length" class="text-muted">—</span>
							</div>
						</template>
					</el-table-column>
					<el-table-column label="其他资料" align="left" min-width="120" show-overflow-tooltip>
						<template slot-scope="scope">
							<div class="zlgl-file-cell">
								<template v-for="(file, idx) in parseFileList(scope.row.qtzl)">
									<a :key="'qtzl-'+idx" :href="fileUrl(file)" target="_blank" class="file-link">{{ file.name || file.url || '附件' }}</a>
									<span v-if="idx < parseFileList(scope.row.qtzl).length - 1" class="file-sep">、</span>
								</template>
								<span v-if="!parseFileList(scope.row.qtzl).length" class="text-muted">—</span>
							</div>
						</template>
					</el-table-column>
					<el-table-column label="设备图片" align="left" min-width="120" show-overflow-tooltip>
						<template slot-scope="scope">
							<div class="zlgl-file-cell">
								<template v-for="(file, idx) in parseFileList(scope.row.xctp)">
									<a :key="'xctp-'+idx" :href="fileUrl(file)" target="_blank" class="file-link">{{ file.name || file.url || '图片' }}</a>
									<span v-if="idx < parseFileList(scope.row.xctp).length - 1" class="file-sep">、</span>
								</template>
								<span v-if="!parseFileList(scope.row.xctp).length" class="text-muted">—</span>
							</div>
						</template>
					</el-table-column>
					<el-table-column label="操作" fixed="right" width="100">
							<template slot-scope="scope">
							<el-button type="text" @click="addOrUpdateHandle(scope.row.id)" >编辑</el-button>
							<el-button type="text" @click="handleDel(scope.row.id)" class="NCC-table-delBtn" >删除</el-button>
						</template>
					</el-table-column>
				</NCC-table>
                <pagination :total="total" :page.sync="listQuery.currentPage" :limit.sync="listQuery.pageSize" @pagination="initData" />
            </div>
        </div>
		<NCC-Form v-if="formVisible" ref="NCCForm" @refresh="refresh" />
		<ImportForm v-if="importFormVisible" ref="importForm" @refresh="refresh" />
		<ExportBox v-if="exportBoxVisible" ref="ExportBox" @download="download" />
	</div>
</template>
<script>
    import request from '@/utils/request'
    import NCCForm from './Form'
    import ExportBox from './ExportBox'
    import ImportForm from './ImportForm'
    import { previewDataInterface } from '@/api/systemData/dataInterface'
	export default {
        components: { NCCForm, ExportBox, ImportForm },
        data() {
            return {
                showAll: false,
				query: {
                    zlm:undefined,
                    fl:undefined,
                    th:undefined,
                    bh:undefined,
                    fbsj:undefined,
				},
                list: [],
                listLoading: true,
                multipleSelection: [], total: 0,
                listQuery: {
                    currentPage: 1,
                    pageSize: 20,
					sort: "desc",
                    sidx: "",
                },
                formVisible: false,
                importFormVisible: false,
                exportBoxVisible: false,
                multipleSelection: [],
                columnList: [
                    { prop: 'zlm', label: '资料名称' },
                    { prop: 'fl', label: '关联产品' },
                    { prop: 'fbsj', label: '发布日期' },
                    { prop: 'bh', label: '资料版本' },
                    { prop: 'th', label: '设备图号' },
				],
				cpglOptions : [], // 产品管理选项
				sbwhryOptions : [],
				hasSearched: false, // 标记是否已经进行过搜索
				searchTimer: null, // 搜索防抖定时器
			}
		},
		computed: {},
		created() {
			this.getCpglOptions();
			this.getsbwhryOptions();
			this.initData();
		},
		beforeDestroy() {
			// 清理定时器，避免内存泄漏
			if (this.searchTimer) {
				clearTimeout(this.searchTimer)
			}
		},
		methods: {
			getCpglOptions(){
				request({
					url: '/api/Extend/Cpgl',
					method: 'GET',
					data: { currentPage: 1, pageSize: 1000 }
				}).then(res => {
					this.cpglOptions = res.data.list || []
				}).catch(err => {
					console.error('获取产品管理列表失败:', err)
					this.cpglOptions = []
				})
			},
			getProductName(productId) {
				if (!productId) return '--';
				const product = this.cpglOptions.find(item => item.id === productId);
				return product ? (product.cpmc || '--') : '--';
			},
			getsbwhryOptions(){
				request({
					url: '/api/Extend/Sbwhry',
					method: 'GET',
					data: { currentPage: 1, pageSize: 1000 }
				}).then(res => {
					this.sbwhryOptions = res.data.list || []
					this.sbwhryOptions = this.sbwhryOptions.filter(item => item && item.id && item.xm)
				}).catch(err => {
					console.error('获取设备维护人员列表失败:', err)
					this.sbwhryOptions = []
				})
			},
			getSbwhryNames(sbwhryStr) {
				if (!sbwhryStr) return '';
				const ids = sbwhryStr.split(',').filter(item => item);
				const names = ids.map(id => {
					const person = this.sbwhryOptions.find(item => item.id === id);
					return person ? person.xm : id;
				});
				return names.join(', ');
			},
			initData() {
                this.listLoading = true;
                let _query = {
                    ...this.listQuery,
                    ...this.query
                };
                let query = {}
                for (let key in _query) {
                    if (Array.isArray(_query[key])) {
                        query[key] = _query[key].join()
                    } else {
                        query[key] = _query[key]
                    }
                }
                request({
                    url: `/api/Extend/Zlgl`,
                    method: 'GET',
                    data: query
                }).then(res => {
                    this.list = res.data.list
                    this.total = res.data.pagination.total
                    this.listLoading = false
                })
            },
			exportData() {
				const ids = this.multipleSelection && this.multipleSelection.length > 0 ? this.multipleSelection : null;
				const query = { ...this.listQuery, ...this.query };
				if (ids && ids.length) query.ids = ids.join(',');
				request({
					url: '/api/Extend/Zlgl/Actions/Export',
					method: 'GET',
					data: query
				}).then(res => {
					if (!res.data || !res.data.url) return;
					window.location.href = this.define.comUrl + res.data.url;
					this.$message.success('导出成功');
				}).catch(() => {});
			},
			uploadForm() {
				this.importFormVisible = true;
				this.$nextTick(() => {
					// 列表页选择的关联产品 id 作为导入默认值（未填关联产品时使用）
					this.$refs.importForm.init(this.query.fl || '', '');
				});
			},
			handleSelectionChange(val) {
				this.multipleSelection = (val || []).map(item => item.id);
			},
			handleDel(id) {
                this.$confirm('此操作将永久删除该数据, 是否继续?', '提示', {
                    type: 'warning'
                }).then(() => {
                    request({
                        url: `/api/Extend/Zlgl/${id}`,
                        method: 'DELETE'
                    }).then(res => {
                        this.$message({
                            type: 'success',
                            message: res.msg,
                            onClose: () => {
                                this.initData()
                            }
                        });
                    })
                }).catch(() => {
                });
            },
			addOrUpdateHandle(id, isDetail) {
                this.formVisible = true
                this.$nextTick(() => {
                    this.$refs.NCCForm.init(id, isDetail)
                })
            },
			search() {
                this.hasSearched = true // 标记已经搜索过
                this.listQuery = {
                    currentPage: 1,
                    pageSize: 20,
                    sort: "desc",
                    sidx: "",
                }
                this.initData()
            },
            refresh(isrRefresh) {
                this.formVisible = false
                if (isrRefresh) {
                    // 保持当前页码，只刷新数据
                    this.initData()
                }
            },
            reset() {
                for (let key in this.query) {
                    this.query[key] = undefined
                }
                this.listQuery = {
                    currentPage: 1,
                    pageSize: 20,
                    sort: "desc",
                    sidx: "",
                }
                this.initData()
            },
			handleSearchFieldClear() {
				// 搜索字段清空后自动重新检索
				if (this.hasSearched) {
					this.search()
				}
			},
			handleSearchFieldChange() {
				// 搜索字段改变后自动重新检索（用于下拉框和日期选择器）
				if (this.hasSearched) {
					this.search()
				}
			},
			handleInputChange(field, value) {
				// 监听输入框变化，当值变为空且之前已经搜索过时，自动触发搜索
				// 清除之前的定时器
				if (this.searchTimer) {
					clearTimeout(this.searchTimer)
				}
				
				// 使用防抖，延迟300ms后检查
				this.searchTimer = setTimeout(() => {
					// 检查当前字段的值是否为空
					const currentValue = this.query[field]
					if ((currentValue === '' || currentValue === undefined || currentValue === null) && this.hasSearched) {
						this.search()
					}
				}, 300)
			},
			// 解析文件字段（JSON 字符串 -> 数组），用于列表展示
			parseFileList(val) {
				if (val == null || val === '') return []
				if (Array.isArray(val)) return val
				if (typeof val !== 'string') return []
				try {
					const arr = JSON.parse(val)
					return Array.isArray(arr) ? arr : []
				} catch (e) {
					return []
				}
			},
			// 文件下载/预览完整地址
			fileUrl(file) {
				if (!file) return '#'
				const url = file.url || file.path || file.name || ''
				if (!url) return '#'
				if (url.startsWith('http://') || url.startsWith('https://')) return url
				const base = (this.define && this.define.comUrl) ? this.define.comUrl : (process.env.VUE_APP_BASE_API || '')
				return base + (url.startsWith('/') ? url : '/' + url)
			}
		}
    }
</script>
<style lang="scss" scoped>
.zlgl-file-cell {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 2px;
	font-size: 12px;
	.file-link {
		color: #409eff;
		text-decoration: none;
		&:hover { text-decoration: underline; }
	}
	.file-sep { color: #c0c4cc; margin: 0 2px; }
	.text-muted { color: #909399; }
}
</style>