import groovy.text.markup.MarkupTemplateEngine
import groovy.text.markup.TemplateConfiguration
import org.gradle.internal.logging.ConsoleRenderer
import util.CssFilter
import util.JsFilter
import util.CheckLinks

ext.watchmode = project.hasProperty('watchmode')?project.getProperty('watchmode'):'false'
// a collection of links which have either been validated or are dummy links
ext.excludeFromChecks = [
        'http://issues.apache.org/jira',
        'https://issues.apache.org/jira',
        'target.html',
        'foo.html',
        'http://www.acme.com/cars',
        'http://localhost:8080/groovy/hello.groovy'
]

apply plugin: 'base'

task copyAssets(type:Copy) {
    from file('../site/src/site/assets')
    into file("$buildDir/site")
    filesMatching('**/*.css') { f->
        if (!f.name.contains('.min.')) {
            filter(CssFilter)
        }
    }
    filesMatching('**/*.js') { f->
        if (!f.name.contains('.min.')) {
            filter(JsFilter)
        }
    }
}

task copyWikiAssets(type:Copy) {
    from file('../site/src/site/wiki/img')
    into file("$buildDir/site/wiki/img")
}

task generateSite(type:JavaExec) {

    description = 'Generates the Groovy Dev Website'
    dependsOn copyAssets
    dependsOn copyWikiAssets
    ext.sources = file('../site/src/site')
    ext.outputDir = file("$buildDir/site")

    inputs.files fileTree(sources)
    outputs.files fileTree(outputDir)

    classpath = project(':generator').sourceSets.main.runtimeClasspath
    main = 'generator.SiteGenerator'
    args = [sources, outputDir, 'sitemap-dev.groovy', project.watchmode]
    systemProperties.docs_baseurl = System.getProperty('docs_baseurl')
}

task checkDeadLinks(dependsOn: generateSite) {
    description = "Checks for dead links in the generated Groovy website"

    ext.outputDir = file("$buildDir/reports")
    ext.reportFile = file("$outputDir/deadlinks.html")

    inputs.files fileTree(generateSite.outputDir)
    outputs.file reportFile

    doLast {
        def baseDir = generateSite.outputDir
        def checkLinks = new CheckLinks(baseDir: baseDir,
                excludeFromChecks: excludeFromChecks,
                logger: logger)

        file(baseDir).eachFileRecurse {
            if (it.name.endsWith('.html')) {
                checkLinks.checkPage(it)
            }
        }

        outputDir.mkdirs()
        def tplConf = new TemplateConfiguration()
        tplConf.with {
            autoIndent = true
            autoNewLine = true
        }
        def tplEngine = new MarkupTemplateEngine(this.class.classLoader, file('../site/gradle/templates'), tplConf)

        def report = tplEngine.createTemplateByPath("deadlinks.groovy").make(deadLinks: checkLinks.deadLinks).toString()

        reportFile.write(report, 'utf-8')
        def reportURL = new ConsoleRenderer().asClickableFileUrl(reportFile)
        logger.lifecycle "Dead links report written at $reportURL"
    }
}

task webzip(type:Zip, dependsOn: checkDeadLinks) {
    description = "Creates a zip with the generated website and the deadlink report"
    destinationDir = file("$buildDir/distributions")

    baseName = 'groovy'
    appendix = 'website'
    from(generateSite.outputDir) {
        into 'site'
    }
    from (checkDeadLinks.outputDir) {
        into 'reports'
    }
}