package org.codehaus.groovy.grails.validation;

import groovy.lang.GroovyClassLoader;
import groovy.lang.GroovyObject;
import groovy.lang.IntRange;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.codehaus.groovy.grails.commons.DefaultGrailsDomainClass;
import org.codehaus.groovy.grails.commons.GrailsDomainClass;
import org.springframework.validation.BindException;
import org.springframework.validation.Errors;
import org.springframework.validation.FieldError;

import junit.framework.TestCase;

public class ConstrainedPropertyTests extends TestCase {

	private String testEmail = "rubbish_email";
	private String testURL = "rubbish_url";
	
	/**
	 * @return Returns the testEmail.
	 */
	public String getTestEmail() {
		return testEmail;
	}

	/**
	 * @param testEmail The testEmail to set.
	 */
	public void setTestEmail(String testEmail) {
		this.testEmail = testEmail;
	}


	/**
	 * @return Returns the testURL.
	 */
	public String getTestURL() {
		return testURL;
	}

	/**
	 * @param testURL The testURL to set.
	 */
	public void setTestURL(String testURL) {
		this.testURL = testURL;
	}

	/*
	 * Test method for 'org.codehaus.groovy.grails.validation.ConstrainedProperty.supportsContraint(String)'
	 */
	public void testSupportsContraint() {
		ConstrainedProperty cp = new ConstrainedProperty(ConstrainedPropertyTests.class,"testProperty", String.class);
		
		assertTrue(cp.supportsContraint( ConstrainedProperty.BLANK_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.EMAIL_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.MATCHES_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.IN_LIST_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.LENGTH_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.MAX_LENGTH_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.MIN_LENGTH_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.MAX_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.MIN_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NOT_EQUAL_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NULLABLE_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.RANGE_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.URL_CONSTRAINT ));
	
		
		cp = new ConstrainedProperty(ConstrainedPropertyTests.class,"testProperty", Collection.class);

		assertTrue(cp.supportsContraint( ConstrainedProperty.MAX_SIZE_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.MIN_SIZE_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.SIZE_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.IN_LIST_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NOT_EQUAL_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NULLABLE_CONSTRAINT ));		
		
		assertFalse(cp.supportsContraint( ConstrainedProperty.BLANK_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.EMAIL_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.MATCHES_CONSTRAINT ));		
		assertFalse(cp.supportsContraint( ConstrainedProperty.MAX_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.MIN_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.RANGE_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.URL_CONSTRAINT ));
		
		cp = new ConstrainedProperty(ConstrainedPropertyTests.class,"testProperty", Number.class);
		
		assertTrue(cp.supportsContraint( ConstrainedProperty.MAX_SIZE_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.MIN_SIZE_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.SIZE_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.IN_LIST_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NOT_EQUAL_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NULLABLE_CONSTRAINT ));		
		assertTrue(cp.supportsContraint( ConstrainedProperty.MAX_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.MIN_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.RANGE_CONSTRAINT ));		
		
		assertFalse(cp.supportsContraint( ConstrainedProperty.BLANK_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.EMAIL_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.MATCHES_CONSTRAINT ));		
		assertFalse(cp.supportsContraint( ConstrainedProperty.URL_CONSTRAINT ));
		
		cp = new ConstrainedProperty(ConstrainedPropertyTests.class,"testProperty", Date.class);
		assertTrue(cp.supportsContraint( ConstrainedProperty.MAX_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.MIN_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.RANGE_CONSTRAINT ));	
		assertTrue(cp.supportsContraint( ConstrainedProperty.IN_LIST_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NOT_EQUAL_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NULLABLE_CONSTRAINT ));	
		
		assertFalse(cp.supportsContraint( ConstrainedProperty.BLANK_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.EMAIL_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.MATCHES_CONSTRAINT ));		
		assertFalse(cp.supportsContraint( ConstrainedProperty.URL_CONSTRAINT ));	
		
		
		cp = new ConstrainedProperty(ConstrainedPropertyTests.class,"testProperty", Object.class);
		
		assertTrue(cp.supportsContraint( ConstrainedProperty.IN_LIST_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NOT_EQUAL_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NULLABLE_CONSTRAINT ));	
		
		assertFalse(cp.supportsContraint( ConstrainedProperty.MAX_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.MIN_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.RANGE_CONSTRAINT ));			
		assertFalse(cp.supportsContraint( ConstrainedProperty.BLANK_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.EMAIL_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.MATCHES_CONSTRAINT ));		
		assertFalse(cp.supportsContraint( ConstrainedProperty.LENGTH_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.MAX_LENGTH_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.MIN_LENGTH_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.URL_CONSTRAINT ));	
		assertFalse(cp.supportsContraint( ConstrainedProperty.MAX_SIZE_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.MIN_SIZE_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.SIZE_CONSTRAINT ));		
		
		cp = new ConstrainedProperty(ConstrainedPropertyTests.class,"testProperty", Comparable.class);
		
		assertTrue(cp.supportsContraint( ConstrainedProperty.IN_LIST_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NOT_EQUAL_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.NULLABLE_CONSTRAINT ));			
		assertTrue(cp.supportsContraint( ConstrainedProperty.MAX_CONSTRAINT ));
		assertTrue(cp.supportsContraint( ConstrainedProperty.MIN_CONSTRAINT ));		
		assertTrue(cp.supportsContraint( ConstrainedProperty.RANGE_CONSTRAINT ));
		
		assertFalse(cp.supportsContraint( ConstrainedProperty.BLANK_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.EMAIL_CONSTRAINT ));
		assertFalse(cp.supportsContraint( ConstrainedProperty.MATCHES_CONSTRAINT ));		
		assertFalse(cp.supportsContraint( ConstrainedProperty.URL_CONSTRAINT ));	
		
	}

	/*
	 * Test method for 'org.codehaus.groovy.grails.validation.ConstrainedProperty.applyConstraint(String, Object)'
	 */
	public void testApplyConstraint() {
		
		// test validate email
		ConstrainedProperty cp = new ConstrainedProperty(ConstrainedPropertyTests.class,"testEmail", String.class);
		
		cp.applyConstraint( ConstrainedProperty.EMAIL_CONSTRAINT, new Boolean(true) );
		assertTrue(cp.getAppliedConstraints().size() == 1);
		Errors errors = new BindException(this,"testObject");
		Constraint c = null;
		for (Iterator i = cp.getAppliedConstraints().iterator(); i.hasNext();) {
			c = (Constraint) i.next();			
			c.validate(this.testEmail, errors);			
		}
		assertTrue(errors.hasErrors());
		FieldError error = errors.getFieldError("testEmail");
		assertNotNull(error);
		assertEquals("rubbish_email",error.getRejectedValue());
		
		this.testEmail = "avalidemail@hotmail.com";
		errors = new BindException(this,"testObject");
		c.validate(this.testEmail,errors);
		assertFalse(errors.hasErrors());
		
		// test validate url
		cp = new ConstrainedProperty(ConstrainedPropertyTests.class,"testURL", String.class);
		cp.applyConstraint( ConstrainedProperty.URL_CONSTRAINT, new Boolean(true) );
		
		assertTrue(cp.getAppliedConstraints().size() == 1);
		errors = new BindException(this,"testObject");
		
		for (Iterator i = cp.getAppliedConstraints().iterator(); i.hasNext();) {
			c = (Constraint) i.next();			
			c.validate(this.testURL, errors);			
		}
		assertTrue(errors.hasErrors());
		error = errors.getFieldError("testURL");
		assertNotNull(error);
		assertEquals(this.testURL,error.getRejectedValue());
		
		this.testURL = "http://www.google.com";
		errors = new BindException(this,"testObject");
		c.validate(this.testURL,errors);
		assertFalse(errors.hasErrors());	
		
		// test blank constraint
		cp.applyConstraint( ConstrainedProperty.URL_CONSTRAINT, null );
		cp.applyConstraint( ConstrainedProperty.BLANK_CONSTRAINT, new Boolean(false) );
		
		assertTrue(cp.getAppliedConstraints().size() == 1);
		errors = new BindException(this,"testObject");
		this.testURL = "";
		for (Iterator i = cp.getAppliedConstraints().iterator(); i.hasNext();) {
			c = (Constraint) i.next();			
			c.validate(this.testURL, errors);			
		}	
		assertTrue(errors.hasErrors());
		error = errors.getFieldError("testURL");
		System.out.println(error);
		assertNotNull(error);		
		
		// test nullable constraint
		cp.applyConstraint( ConstrainedProperty.BLANK_CONSTRAINT, new Boolean(true) );
		cp.applyConstraint( ConstrainedProperty.NULLABLE_CONSTRAINT, new Boolean(false) );
		
		errors = new BindException(this,"testObject");
		this.testURL = null;
		for (Iterator i = cp.getAppliedConstraints().iterator(); i.hasNext();) {
			c = (Constraint) i.next();			
			c.validate(this.testURL, errors);			
		}	
		assertTrue(errors.hasErrors());
		error = errors.getFieldError("testURL");
		System.out.println(error);
		assertNotNull(error);		
		
		// test inList constraint
		cp.applyConstraint( ConstrainedProperty.NULLABLE_CONSTRAINT, new Boolean(true) );
		List list = new ArrayList();
		list.add("one");
		list.add("two");
		list.add("three");
		this.testURL = "something";
		cp.applyConstraint( ConstrainedProperty.IN_LIST_CONSTRAINT, list );
		
		errors = new BindException(this,"testObject");
		for (Iterator i = cp.getAppliedConstraints().iterator(); i.hasNext();) {
			c = (Constraint) i.next();			
			c.validate(this.testURL, errors);			
		}	
		assertTrue(errors.hasErrors());
		error = errors.getFieldError("testURL");
		System.out.println(error);
		assertNotNull(error);	
		
		this.testURL = "two";
		errors = new BindException(this,"testObject");
		c.validate(this.testURL,errors);
		assertFalse(errors.hasErrors());
		
		// test length constraint
		cp = new ConstrainedProperty(ConstrainedPropertyTests.class,"testURL", String.class);
		cp.applyConstraint( ConstrainedProperty.LENGTH_CONSTRAINT, new IntRange(5,15) );
		
		errors = new BindException(this,"testObject");
		for (Iterator i = cp.getAppliedConstraints().iterator(); i.hasNext();) {
			c = (Constraint) i.next();			
			c.validate(this.testURL, errors);			
		}		
		
		assertTrue(errors.hasErrors());
		error = errors.getFieldError("testURL");
		System.out.println(error);
		assertNotNull(error);		
		
		this.testURL = "absolutelytotallytoolong";
		errors = new BindException(this,"testObject");
		c.validate(this.testURL,errors);
		assertTrue(errors.hasErrors());		
	}

	
	public void testConstraintBuilder() throws Exception {
		GroovyClassLoader gcl = new GroovyClassLoader();
		
		Class groovyClass = gcl.parseClass( "class TestClass {\n" +
						"@Property Long id\n" +
						"@Property Long version\n" +
						"@Property String login\n" +
						"@Property String email\n" +
						"@Property constraints = {\n" +
							"login(length:5..15,nullable:false,blank:false)\n" +
							"email(email:true)\n" +
						"}\n" +
						"}" );
		
		GrailsDomainClass domainClass = new DefaultGrailsDomainClass(groovyClass);
		
		Map constrainedProperties = domainClass.getConstrainedProperties();
		assertTrue(constrainedProperties.size() == 2);
		ConstrainedProperty loginConstraint = (ConstrainedProperty)constrainedProperties.get("login");
		assertTrue(loginConstraint.getAppliedConstraints().size() == 3);
		
		ConstrainedProperty emailConstraint = (ConstrainedProperty)constrainedProperties.get("email");
		assertTrue(emailConstraint.getAppliedConstraints().size() == 1);
		
		GroovyObject go = (GroovyObject)groovyClass.newInstance();
		go.setProperty("email", "rubbish_email");
		Errors errors = new BindException(go, "TestClass");
		emailConstraint.validate( go.getProperty("email"), errors );
		
		assertTrue(errors.hasErrors());
		go.setProperty("email", "valid@email.com");
		errors = new BindException(go, "TestClass");
		emailConstraint.validate( go.getProperty("email"), errors );
		assertFalse(errors.hasErrors());
	}
}