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package prompto.property;

import java.io.IOException;
import java.io.Writer;

import prompto.jsx.JsxProperty;
import prompto.runtime.Context;
import prompto.utils.StringUtils;

public class Property {
	
	String name;
	String help;
	IPropertyValidator validator = AlwaysValidator.INSTANCE;
	
	public String getName() {
		return name;
	}
	
	public void setName(String name) {
		this.name = name;
	}
	
	public boolean isRequired() {
		return validator.isRequired();
	}
	
	public void setRequired(boolean set) {
		validator = set ? validator.required() : validator.optional();
	}
	
	public void setRequiredForAccessibility(boolean set) {
		validator = set ? validator.requiredForAccessibility() : validator.optionalForAccessibility();
	}

	
	public IPropertyValidator getValidator() {
		return validator;
	}
	
	public void setValidator(IPropertyValidator validator) {
		if(this.validator.isRequired())
			this.validator = validator.required();
		else
			this.validator = validator.optional();
	}
	
	public Property withValidator(IPropertyValidator validator) {
		setValidator(validator);
		return this;
	}
	
	public void validate(Context context, JsxProperty prop) {
		validator.validate(context, prop);
	}

	public String getHelp() {
		return help;
	}
	
	public void setHelp(String help) {
		this.help = help;
	}

	@Override
	public String toString() {
		return "name=" + name + ", type=" + validator + ", help=" + help;
	}

	public void toLiteral(Writer writer) {
		try {
			writer.append(nameToKey()).append(": ");
			if(help!=null || validator.isRequired()) {
				writer.append("{ ")
					.append(validator.getKeyName())
					.append(": ")
					.append(validator.toLiteral());
				if(help!=null) {
					String escaped = help.replaceAll("\"", "'");
					writer.append(", help: \"").append(escaped).append("\"");
				}
				if(validator.isRequired())
					writer.append(", required: true");
				writer.append('}');
			} else 
				writer.append(getValidator().toLiteral());
		} catch(IOException e) {
			throw new RuntimeException(e);
		}
	}

	private String nameToKey() {
		String value = StringUtils.trimEnclosingQuotes(name);
		if(value.contains("-")) 
			return '"' + value + '"';
		else
			return value;
	}


	
}