package netflix.nebula.checkstyle

import netflix.nebula.ClasspathHelper
import netflix.nebula.GradleHelper
import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.api.internal.IConventionAware
import org.gradle.api.logging.Logger
import org.gradle.api.logging.Logging
import org.gradle.api.plugins.quality.CheckstyleExtension
import org.gradle.api.plugins.quality.CheckstylePlugin

class NebulaCheckstylePlugin implements Plugin<Project> {
    private static Logger logger = Logging.getLogger(NebulaCheckstylePlugin);

    protected Project project

    @Override
    void apply(Project project) {
        this.project = project

        project.plugins.apply(CheckstylePlugin)

        CheckstyleExtension extension = project.extensions.getByType(CheckstyleExtension)

        // This is what we have in extlib
        extension.ignoreFailures = true

        // extension.configFile requires a real filesystem. Ironically the ant task, underlying the Checkstyle task,
        // actually supports a String pointing to ClassLoader.getResource()
        // According to http://checkstyle.sourceforge.net/anttask.html

        extension.configFile = copyCheckstyleXml()
    }

    def copyCheckstyleXml() {
        File tmpDir = new GradleHelper(project).getTempDir('checkstyle')
        File to = new File(tmpDir, 'checkstyle.xml')
        return ClasspathHelper.copyResource('netflix/nebula/codequality/checkstyle.xml', to)
    }
}