package jp.satomichan.nucalgen;

import java.util.HashMap;
import java.util.Map;

import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFDataFormat;

public class CellStylePool {

	private Workbook workbook;

	CellStylePool(Workbook workbook){
		this.workbook = workbook;
	}


	private Map<CompKey, CellStyle> cellStyleMap = new HashMap<CompKey, CellStyle>();


	CellStyle getCellStyle(String format) {
		return this.getCellStyle(format, true);
	}


	CellStyle getCellStyle(String format, Boolean locked) {
		CompKey key = new CompKey(format, locked);
		if(this.cellStyleMap.containsKey(key)) {
			return this.cellStyleMap.get(key);
		}else {
			CellStyle cs = this.workbook.createCellStyle();
			XSSFDataFormat xssfFormat = (XSSFDataFormat) this.workbook.createDataFormat();
			cs.setDataFormat(xssfFormat.getFormat(format));
			cs.setLocked(locked);
			this.cellStyleMap.put(key, cs);

			return this.cellStyleMap.get(key);
		}
	}


	class CompKey {
		private String format;
		private Boolean locked;

		CompKey(String format, Boolean locked){
			this.setFormat(format);
			this.setLocked(locked);
		}

		public String getFormat() {
			return format;
		}
		public void setFormat(String format) {
			this.format = format;
		}
		public Boolean getLocked() {
			return locked;
		}
		public void setLocked(Boolean locked) {
			this.locked = locked;
		}
		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + getEnclosingInstance().hashCode();
			result = prime * result + ((format == null) ? 0 : format.hashCode());
			result = prime * result + ((locked == null) ? 0 : locked.hashCode());
			return result;
		}
		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			CompKey other = (CompKey) obj;
			if (!getEnclosingInstance().equals(other.getEnclosingInstance()))
				return false;
			if (format == null) {
				if (other.format != null)
					return false;
			} else if (!format.equals(other.format))
				return false;
			if (locked == null) {
				if (other.locked != null)
					return false;
			} else if (!locked.equals(other.locked))
				return false;
			return true;
		}
		private CellStylePool getEnclosingInstance() {
			return CellStylePool.this;
		}


	}


}