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package protoj.lang.internal.acme;

import java.io.File;

import org.junit.Assert;

import protoj.lang.ProjectLayout;
import protoj.lang.ScriptSession;
import protoj.util.ArgRunnable;
import protoj.util.CommandTask;

/**
 * Triggered when the publish command is specified. See the individual methods
 * to determine what is being tested.
 * 
 * @author Ashley Williams
 * 
 */
public final class AssertPublish implements ArgRunnable {
	private final AcmeSession acmeSession;
	public static final String ALL = "all";
	public static final String FOO = "foo";

	public AssertPublish(AcmeSession acmeSession) {
		this.acmeSession = acmeSession;
	}

	public void run(ScriptSession projectSession) {
		ProjectLayout acmeLayout = acmeSession.getProject().getLayout();

		File fooRepoDir = new File(acmeLayout.getTargetDir(),
				"repo/org/acme/foo/1.0");
		File fooPom = new File(fooRepoDir, "foo-1.0.pom");
		File fooClasses = new File(fooRepoDir, "foo-1.0.jar");

		File acmeRepoDir = new File(acmeLayout.getTargetDir(),
				"repo/org/acme/acme/1.0");
		File acmePom = new File(acmeRepoDir, "acme-1.0.pom");
		File acmeClasses = new File(acmeRepoDir, "acme-1.0.jar");
		File acmeSources = new File(acmeRepoDir, "acme-1.0-sources.jar");
		File acmeJavadoc = new File(acmeRepoDir, "acme-1.0-javadoc.jar");

		String tag = projectSession.getCurrentTag();

		if (tag.equals(FOO)) {
			// the publish command should only have generated foo artifacts
			assertExists(fooPom, true);
			assertExists(fooClasses, true);
			assertArtifacts(acmePom, false);
			assertArtifacts(acmeClasses, false);
			assertArtifacts(acmeSources, false);
			assertArtifacts(acmeJavadoc, false);
		} else {
			// the publish command should also have generated acme artifacts
			assertArtifacts(acmePom, true);
			assertArtifacts(acmeClasses, true);
			assertArtifacts(acmeSources, true);
			assertArtifacts(acmeJavadoc, true);
		}
		CommandTask exec = projectSession.getCurrentExec();
		Assert.assertTrue(exec.getResult(), exec.isSuccess());
		acmeLayout.getLogFile().delete();
	}

	/**
	 * Asserts that the given artifact and its associated signature, digest and
	 * checksum files all exist or don't exist depending on the value of the
	 * exists parameter.
	 * 
	 * @param artifact
	 * @param exists
	 */
	private void assertArtifacts(File artifact, boolean exists) {
		File repoDir = artifact.getParentFile();
		String name = artifact.getName();
		File artifactChecksum = new File(repoDir, name + ".md5");
		File artifactDigest = new File(repoDir, name + ".sha1");
		File artifactSig = new File(repoDir, name + ".asc");
		File artifactSigChecksum = new File(repoDir, name + ".asc.md5");
		File artifactSigDigest = new File(repoDir, name + ".asc.sha1");
		assertExists(artifact, exists);
		assertExists(artifactChecksum, exists);
		assertExists(artifactDigest, exists);
		assertExists(artifactSig, exists);
		assertExists(artifactSigChecksum, exists);
		assertExists(artifactSigDigest, exists);
	}

	/**
	 * Asserts the given file exists or doesn't exist depending on the value of
	 * the exists parameter.
	 * 
	 * @param file
	 * @param exists
	 */
	private void assertExists(File file, boolean exists) {

		if (exists) {
			String message = "couldn't find " + file.getAbsolutePath();
			Assert.assertTrue(message, file.exists());
		} else {
			String message = "shouldn't have found " + file.getAbsolutePath();
			Assert.assertFalse(message, file.exists());
		}
	}

}