package com.consum.base.util;

import cn.afterturn.easypoi.excel.entity.params.ExcelExportEntity;
import cn.afterturn.easypoi.excel.entity.params.ExcelForEachParams;
import cn.afterturn.easypoi.excel.export.styler.IExcelExportStyler;
import org.apache.poi.ss.usermodel.*;

/**
 * 功能描述: Excel样式设置
 *
 * @author lxk
 * @date  2024/5/8 13:41
 * @version 1.0
 **/
public class ExcelStyleUtil implements IExcelExportStyler {

    private static final short STRING_FORMAT = (short) BuiltinFormats.getBuiltinFormat("TEXT");
    private static final short FONT_SIZE_TEN = 10;
    private static final short FONT_SIZE_ELEVEN = 11;
    private static final short FONT_SIZE_TWELVE = 12;

    // 标题头样式
    private CellStyle headerStyle;
    // 数据列标题样式
    private CellStyle titleStyle;
    // 数据行样式
    private CellStyle styles;

    public ExcelStyleUtil(Workbook workbook) {
        this.init(workbook);
    }

    /**
     * 初始化样式
     *
     * @param workbook
     */
    private void init(Workbook workbook) {
        this.headerStyle = initHeaderStyle(workbook);
        this.titleStyle = initTitleStyle(workbook);
        this.styles = initStyles(workbook);
    }

    /**
     * 标题头样式
     *
     * @param color
     * @return
     */
    @Override
    public CellStyle getHeaderStyle(short color) {
        return headerStyle;
    }

    /**
     * 数据列标题样式
     *
     * @param color
     * @return
     */
    @Override
    public CellStyle getTitleStyle(short color) {
        return titleStyle;
    }

    /**
     * 数据行样式
     *
     * @param parity            表示奇偶行
     * @param excelExportEntity 数据内容
     * @return
     */
    @Override
    public CellStyle getStyles(boolean parity, ExcelExportEntity excelExportEntity) {
        return styles;
    }

    /**
     * 数据行样式
     *
     * @param cell              单元格
     * @param dataRow           数据行
     * @param excelExportEntity 数据内容
     * @param obj               对象
     * @param data              数据
     * @return
     */
    @Override
    public CellStyle getStyles(Cell cell, int dataRow, ExcelExportEntity excelExportEntity, Object obj, Object data) {
        return getStyles(true, excelExportEntity);
    }

    /**
     * 模板使用的样式设置
     *
     * @param b
     * @param excelForEachParams
     * @return
     */
    @Override
    public CellStyle getTemplateStyles(boolean b, ExcelForEachParams excelForEachParams) {
        return null;
    }

    /**
     * 初始化--标题头样式
     *
     * @param workbook
     * @return
     */
    private CellStyle initHeaderStyle(Workbook workbook) {
        CellStyle style = getBaseCellStyle(workbook);
        style.setFont(getFont(workbook, FONT_SIZE_TWELVE, true));
        return style;
    }

    /**
     * 初始化--数据列标题样式
     *
     * @param workbook
     * @return
     */
    private CellStyle initTitleStyle(Workbook workbook) {
        CellStyle style = getBaseCellStyle(workbook);
        style.setFont(getFont(workbook, FONT_SIZE_ELEVEN, false));
        // 背景色
        style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        return style;
    }

    /**
     * 初始化--数据行样式
     *
     * @param workbook
     * @return
     */
    private CellStyle initStyles(Workbook workbook) {
        CellStyle style = getBaseCellStyle(workbook);
        style.setFont(getFont(workbook, FONT_SIZE_TEN, false));
        style.setDataFormat(STRING_FORMAT);
        return style;
    }

    /**
     * 基础样式
     *
     * @return
     */
    private CellStyle getBaseCellStyle(Workbook workbook) {
        CellStyle style = workbook.createCellStyle();
        // 下边框
        style.setBorderBottom(BorderStyle.THIN);
        // 左边框
        style.setBorderLeft(BorderStyle.THIN);
        // 上边框
        style.setBorderTop(BorderStyle.THIN);
        // 右边框
        style.setBorderRight(BorderStyle.THIN);
        // 水平居中
        style.setAlignment(HorizontalAlignment.CENTER);
        // 上下居中
        style.setVerticalAlignment(VerticalAlignment.CENTER);
        // 设置自动换行
        style.setWrapText(true);

        return style;
    }

    /**
     * 字体样式
     *
     * @param size   字体大小
     * @param isBold 是否加粗
     * @return
     */
    private Font getFont(Workbook workbook, short size, boolean isBold) {
        Font font = workbook.createFont();
        // 字体样式
        font.setFontName("宋体");
        // 是否加粗
        font.setBold(isBold);
        // 字体大小
        font.setFontHeightInPoints(size);
        return font;
    }
}