<template>
	<!--<v-btn :ripple="false" @click="downloadExcelFile">액셀</v-btn>-->
	<a-button 
		@click="downloadExcelFile" 
		v-bind="$attrs"
		type="default"
    	class="btn-default"
		icon="file-excel"
		:size="size"
	>액셀</a-button>

</template>

<script>
import Utility from '~/plugins/utility';
import XLSX from 'xlsx';
import { mapState } from 'vuex';

export default {
	name: 'btnExeclDownload',
	props: {
		parentPrgmId: {
			type: String,
			require: true,
		},
		gridName: {
			type: String,
			require: false,
		},
		dataPath: {
			type: Object,
			require: false,
			default: null,
		},
		parentModalDataName: {
			type: String,
			require: false,
			default: null,
		},
		myModalKey: {
			type: String,
			require: false,
			default: null,
		},
		size: {
			type: String,
			require: false,
			default: "middle", // small, middle, large
		}
	},
	data() {
		return {
			xlsData: [],
			xlsHeader: [],
		};
	},
	computed: {
		...mapState({
			menuNm: state => state.activeMenuInfo.menuNm,
			pageData(state) {
				if (this.parentModalDataName == null) {
					return state.pageData[this.parentPrgmId];
				}
				return state.pageData[this.parentPrgmId][this.parentModalDataName][
					this.myModalKey
				];
			},
		}),
		tableId() {
			return this.pageData.xlsFileInfo.tableId;
		},
		newXlsData() {
			return this.pageData.xlsFileInfo[this.gridName].rowData;
		},
	},
	methods: {
		setExcelData() {
			const xlsRowData = this.newXlsData || this.pageData[this.gridName].data;
			const xlsHeader = this.pageData[this.gridName].column;

			let tmpData = [];
			let tmpMap = {};
			xlsRowData.map(item => {
				xlsHeader.map(v => {
					if (v.hidden == null || v.hidden == undefined) {
						if (v.excelType == null || v.excelType == undefined) {
							Object.assign(tmpMap, { [v.header]: item[v.name] || '' });
						} else if (v.excelType == 'number') {
							if (v.excelFormatter == null || v.excelFormatter == undefined) {
								Object.assign(tmpMap, {
									[v.header]: parseFloat(item[v.name].replace(',', '')) || 0,
								});
							} else {
								//Object.assign(tmpMap, { [v.header]: Utility.setFormatIntDecimal(item[v.name], v.excelFormatter)) || Utility.setFormatIntDecimal(0, v.excelFormatter))});
								Object.assign(tmpMap, {
									[v.header]:
										parseFloat(
											Utility.setFormatIntDecimal(
												item[v.name],
												v.excelFormatter,
											).replace(',', ''),
										) ||
										parseFloat(
											Utility.setFormatIntDecimal(0, v.excelFormatter).replace(
												',',
												'',
											),
										),
								});
							}
						}
					}

					return tmpMap;
				});
				tmpData = tmpData.concat(tmpMap);
				tmpMap = {};
			});
			this.xlsData = tmpData;
			tmpData = null;
			tmpMap = null;
			xlsHeader.map(v => {
				if (v.hidden == null || v.hidden == undefined) {
					// this.xlsHeader.push(v.header);
					this.xlsHeader.push(String(v.header));
				}
			});
		},
		async downloadExcelFile() {
			if (!this.tableId) await this.setExcelData(); // 들어온 JSON 데이타 가공
			// console.log("this.setExcelData()", this.setExcelData());
			const fileName = this.pageData.xlsFileInfo[this.gridName].fileName;
			const workBook = XLSX.utils.book_new(); // 새 시트 생성
			const excelData = this.tableId
				? // 테이블 그대로 가져올때
				  XLSX.utils.table_to_sheet(document.getElementById(this.tableId))
				: // JSON 형식으로 가져올때
				  XLSX.utils.json_to_sheet(this.xlsData, { header: this.xlsHeader });

			const sheetName = this.pageData.xlsFileInfo[this.gridName].sheetName;
			XLSX.utils.book_append_sheet(workBook, excelData, sheetName); // 시트 명명, 데이터 지정
			XLSX.writeFile(
				workBook,
				`${fileName ? fileName : this.menuNm.replace(/(\s*)/g, '')}.xlsx`,
			); // 엑셀파일 만듬
			this.xlsHeader = [];
		},
	},
};
</script>
<style scoped lang="scss">
</style>
