/****************************************************************************
**
** Copyright (C) 2020 Ivan Komissarov (abbapoh@gmail.com)
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights.  These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

var Host = require("qbs.Host");
var Utilities = require("qbs.Utilities");

// Typically, multiple architectures are used for migration from "old" arch to a "new" one
// For example: x86 -> x86_64 on macOS, armv7 -> arm64 on iOS

function enableOldArch(qbs, xcodeVersion) {
    return qbs.targetOS.includes("macos")
            && xcodeVersion
            && (Utilities.versionCompare(xcodeVersion, "10") < 0
                || Utilities.versionCompare(xcodeVersion, "12.2") >= 0)
            || (qbs.targetOS.includes("ios") && !qbs.targetOS.includes("ios-simulator")
                && Utilities.versionCompare(xcodeVersion, "14") < 0)
}

function getNewArch(qbs, xcodeVersion) {
    const isNewXcode = xcodeVersion && Utilities.versionCompare(xcodeVersion, "12.2") >= 0;
    if (qbs.targetOS.includes("macos"))
        return isNewXcode ? "arm64" : "x86_64";
    else if (qbs.targetOS.includes("ios-simulator"))
        return "x86_64";
    else if (qbs.targetOS.includes("ios"))
        return "arm64"
    else if (qbs.targetOS.includes("tvos"))
        return "arm64"
    else if (qbs.targetOS.includes("watchos"))
        return "armv7k"
    throw "unsupported targetOS: " + qbs.targetOS;
}

function getOldArch(qbs, xcodeVersion) {
    if (qbs.targetOS.includes("macos"))
        return xcodeVersion
                && Utilities.versionCompare(xcodeVersion, "12.2") >= 0 ? "x86_64" : "x86";
    else if (qbs.targetOS.includes("ios-simulator"))
        return "x86"
    else if (qbs.targetOS.includes("ios"))
        return "armv7a"
    throw "unsupported targetOS: " + qbs.targetOS;
}

function getArchitectures(qbs, xcodeVersion) {
    return enableOldArch(qbs, xcodeVersion)
            ? [getOldArch(qbs, xcodeVersion), getNewArch(qbs, xcodeVersion)]
            : [getNewArch(qbs, xcodeVersion)];
}
