/*
 * Copyright 2017-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 */

def prop(name, defVal) {
    def value = project.properties[name]
    if (value == null) return defVal
    return value
}

def distTag(version) {
    def i = version.indexOf('-')
    if (i > 0) return version.substring(i + 1)
    return "latest"
}

def npmTemplateDir = file("$projectDir/npm")
def npmDeployDir = file("$buildDir/npm")
def npmDeployTag = distTag(version)

def authToken = prop("kotlin.npmjs.auth.token", "")
def dryRun = prop("dryRun", "false")

def compileJsLegacy = tasks.hasProperty("compileKotlinJsLegacy")
        ? compileKotlinJsLegacy
        : compileKotlinJs

task preparePublishNpm(type: Copy, dependsOn: [compileJsLegacy]) {
    from(npmTemplateDir) {
        expand (project.properties + [kotlinDependency: "\"kotlin\": \"$kotlin_version\""])
    }
    from(compileJsLegacy.destinationDir)
    into npmDeployDir
}

task performPublishNpm(type: NpmTask, dependsOn: [preparePublishNpm]) {
    workingDir = npmDeployDir
    def deployArgs = ['publish',
                      "--//registry.npmjs.org/:_authToken=$authToken",
                      "--tag=$npmDeployTag"]
    doFirst {
        if (dryRun == "true") {
            println("$npmDeployDir \$ npm arguments: $deployArgs")
            args = ['pack']
        } else {
            args = deployArgs
        }
    }

    if (authToken == "") {
        enabled = false // skip npm publishing when token is not set
    }
}

task publishNpm(dependsOn: performPublishNpm) {
    doFirst {
        if (!performPublishNpm.enabled) {
            println("NOTE: publishNpm is skipped because 'kotlin.npmjs.auth.token' is not set")
        }
    }
}