package foundation.version;

import foundation.util.Util;

public enum VersionState {
	Preparing("待生效", 0), 
	Active("生效", 1), 
	History("历史", 2), 
	
	Unknow("未知", 9);
	
	private String name;
	private int indexNo;

	private VersionState(String name, int indexNo) {
		this.name = name;
		this.indexNo = indexNo;
	}

	public String getName() {
		return name;
	}

	public int getIndexNo() {
		return indexNo;
	}
	
	public static VersionState parse(String code) {
		if (Util.isEmpty(code)) {
			return Unknow;
		}
		
		for (VersionState versionState : VersionState.values()) {
			String state = versionState.name().toLowerCase();
			
			if (state.equalsIgnoreCase(code)) {
				return versionState;
			}
		}
		return Unknow;
	}
	
	public VersionState getVersionStateByIndexNo(int indexNo) {
		if (Util.isEmpty(indexNo)) {
			return Unknow;
		}
		
		for (VersionState versionState : VersionState.values()) {
			if (versionState.getIndexNo() == indexNo) {
				return versionState;
			}
		}
		return Unknow;
	}
	
	public VersionState getNextState() {
		int  stateCount = VersionState.values().length;
		int nextIndex = (indexNo + 1)%stateCount;
		
		return getVersionStateByIndexNo(nextIndex);
	}
}