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import qbs.File
import qbs.FileInfo
import qbs.ModUtils
import qbs.Probes
import qbs.Utilities

import "utils.js" as NdkUtils

Module {
    Probes.AndroidNdkProbe {
        id: ndkProbe
        environmentPaths: (ndkDir ? [ndkDir] : []).concat(base)
    }

    version: ndkProbe.ndkVersion

    readonly property string abi: NdkUtils.androidAbi(qbs.architecture)
    PropertyOptions {
        name: "abi"
        description: "Supported Android ABIs"
        allowedValues: ["arm64-v8a", "armeabi", "armeabi-v7a", "x86", "x86_64"]
    }

    // See https://developer.android.com/ndk/guides/cpp-support.html
    property string appStl: "c++_shared"

    PropertyOptions {
        name: "appStl"
        description: "C++ Runtime Libraries."
        allowedValues: ["c++_static", "c++_shared"]
    }

    property string hostArch: ndkProbe.hostArch
    property string ndkDir: ndkProbe.path
    property string ndkSamplesDir: ndkProbe.samplesDir
    property string platform: {
        switch (abi) {
        case "armeabi":
        case "armeabi-v7a":
        // case "x86": // x86 has broken wstring support
            return "android-19";
        default:
            return "android-21";
        }
    }

    property int platformVersion: {
        if (platform) {
            var match = platform.match(/^android-([0-9]+)$/);
            if (match !== null) {
                return parseInt(match[1], 10);
            }
        }
    }

    property stringList abis: {
        var list = ["armeabi", "armeabi-v7a"];
        if (platformVersion >= 16)
            list.push("x86");
        if (platformVersion >= 21)
            list.push("arm64-v8a", "x86_64");
        return list;
    }

    property string armMode: abi && abi.startsWith("armeabi")
            ? (qbs.buildVariant === "debug" ? "arm" : "thumb")
            : undefined;
    PropertyOptions {
        name: "armMode"
        description: "Determines the instruction set for armeabi configurations."
        allowedValues: ["arm", "thumb"]
    }

    validate: {
        if (!ndkDir) {
            throw ModUtils.ModuleError("Could not find an Android NDK at any of the following "
                                       + "locations:\n\t" + ndkProbe.candidatePaths.join("\n\t")
                                       + "\nInstall the Android NDK to one of the above locations, "
                                       + "or set the Android.ndk.ndkDir property or "
                                       + "ANDROID_NDK_ROOT environment variable to a valid "
                                       + "Android NDK location.");
        }

        if (Utilities.versionCompare(version, "19") < 0)
            throw ModUtils.ModuleError("Unsupported NDK version "
                                       + Android.ndk.version
                                       + ", please upgrade your NDK to r19+");

        if (product.aggregate && !product.multiplexConfigurationId)
            return;
        var validator = new ModUtils.PropertyValidator("Android.ndk");
        validator.setRequiredProperty("abi", abi);
        validator.setRequiredProperty("appStl", appStl);
        validator.setRequiredProperty("hostArch", hostArch);
        validator.setRequiredProperty("platform", platform);
        return validator.validate();
    }
}