#!/usr/bin/env narwhal

var FILE = require("file"),
    ENV = require("system").env,
    OS = require("os"),
    Jake = require("jake");
    /*,
    Clean = require("jake/clean");
*/

require(FILE.absolute("../common.jake"));

$ENVIRONMENT_NARWHAL_PRODUCT = $ENVIRONMENT_DIR
$ENVIRONMENT_PACKAGES_PRODUCT = FILE.join($ENVIRONMENT_NARWHAL_PRODUCT, 'packages')

$EXTERNALS = ['browserjs', 'jack', 'narwhal', 'ojunit'];
$PACKAGES = ['browserjs', 'jack'];

function git_export(source, destination)
{
    destination = FILE.join(FILE.absolute(destination), '');
    OS.system("cd " + source + " && git checkout-index -a -f \"--prefix=" + destination + "\"");
};

filedir ($ENVIRONMENT_DIR, function()
{
    FILE.mkdirs($ENVIRONMENT_DIR);
});

task ("update_submodules", function()
{
    if (ENV['NOSUBUP'])
        return;

    if (executableExists("git"))
        OS.system("cd .. && git submodule init && git submodule update");
    else
        throw "Git not installed";
});

task ("build", ["update_submodules", $ENVIRONMENT_DIR], function()
{
    rm_rf($ENVIRONMENT_NARWHAL_PRODUCT);

    git_export('narwhal', $ENVIRONMENT_NARWHAL_PRODUCT);

    $PACKAGES.forEach(function(aPackage)
    {
        git_export(aPackage, FILE.join($ENVIRONMENT_PACKAGES_PRODUCT, aPackage));
    });

    symlink_executable(FILE.join($ENVIRONMENT_PACKAGES_PRODUCT, 'jack', 'bin', 'jackup'))
});

//CLOBBER.include($ENVIRONMENT_NARWHAL_PRODUCT)

task ("pull", function()
{
    $EXTERNALS.forEach(function(external)
    {
        OS.system("cd " + external + " && git pull origin master");
    });
});