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/*
 * The MIT License
 *
 * Copyright 2016 Lemuel Raganas.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.welemski.wrench.poi.util;

import java.io.File;
import java.io.IOException;
import org.apache.commons.io.FilenameUtils;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.poifs.filesystem.NPOIFSFileSystem;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

/**
 *
 * @author welemski
 */
public class Spreadsheet {
    
    public Spreadsheet(){}
    
    public static Workbook getWorkbook(String filepath){
        return getWorkbook(new File(filepath));
    }
    
    public static Workbook getWorkbook(File file){
        Workbook workbook = null;
        
        if(!file.exists()){
            return null;
        }
        
        String fileExt = FilenameUtils.getExtension(file.getAbsolutePath());
        try{
            if(fileExt.equalsIgnoreCase("xls")){
                try (NPOIFSFileSystem npoiFs = new NPOIFSFileSystem(file)) {
                    workbook = new HSSFWorkbook(npoiFs);
                }
            }else if(fileExt.equalsIgnoreCase("xlsx")){
                try (OPCPackage opcPkg = OPCPackage.open(file)) {
                    workbook = new XSSFWorkbook(opcPkg);
                }
            }
            
            return workbook;
            
        }catch(IOException | InvalidFormatException ex){
            return null;
        }
    }
    
    public static SheetReader defaultReader(){
        return new SpreadsheetReader();
    }
    
    public static SheetReader defaultReader(String filepath){
        return new SpreadsheetReader(filepath);
    }
    
    public static SheetReader defaultReader(File file){
        return new SpreadsheetReader(file);
    }
    
    public static SheetReader defaultReader(Workbook workbook){
        return new SpreadsheetReader(workbook);
    }
    
    public static SheetQuery defaultQuery(String filePath){
        Workbook workbook = getWorkbook(filePath);
        return new SpreadsheetQuery(workbook);
    }
    
    public static SheetQuery defaultQuery(File file){
        Workbook workbook = getWorkbook(file);
        return new SpreadsheetQuery(workbook);
    }
    
    public static SheetQuery defaultQuery(Workbook workbook){
        return new SpreadsheetQuery(workbook);
    }
    
    public static Workbook createWorkbook(SpreadsheetType sheetType){
        switch(sheetType){
            case XLS:
                return new HSSFWorkbook();
            case XLSX:
                return new XSSFWorkbook();
            default:
                return null;
        }
    }
}