package org.robobinding.attribute;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import android.content.Context;
import android.content.res.Resources;

/**
 * 
 * @since 1.0
 * @version $Revision: 1.0 $
 * @author Cheng Wei
 */
public class MockResourcesBuilder {
	public static final String DEFAULT_RESOURCE_PACKAGE = "android";
	public static final String LAYOUT_RESOURCE_TYPE = "layout";

	private Context mockContext;
	private Resources mockResources;

	public static MockResourcesBuilder aContextOfResources() {
		return new MockResourcesBuilder();
	}

	private MockResourcesBuilder() {
		mockContext = mock(Context.class);

		mockResources = mock(Resources.class);
		when(mockContext.getResources()).thenReturn(mockResources);
	}

	public MockResourcesBuilder withDefaultPackage() {
		return withDefaultPackage(DEFAULT_RESOURCE_PACKAGE);
	}

	public MockResourcesBuilder withDefaultPackage(String packageName) {
		when(mockContext.getPackageName()).thenReturn(packageName);
		return this;
	}

	public int declareLayoutResource(String resourceName) {
		return declareResource(resourceName, LAYOUT_RESOURCE_TYPE, DEFAULT_RESOURCE_PACKAGE);
	}
	
	public int declareResource(String resourceName, String resourceType) {
		return declareResource(resourceName, resourceType, DEFAULT_RESOURCE_PACKAGE);
	}

	public int declareResource(String resourceName, String resourceType, String resourcePackage) {
		int layoutId = nextResourceId();
		when(mockResources.getIdentifier(resourceName, resourceType, resourcePackage)).thenReturn(layoutId);
		return layoutId;
	}

	private int resourceIdCounter = 1;

	private int nextResourceId() {
		return resourceIdCounter++;
	}

	public Context build() {
		return mockContext;
	}
}