/*
Copyright 2020 Intel Corporation

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

//
// Helper module, to make path processing consistent beween platforms.
//

//
// Creates a path string, using a specified path (path1), filename (path2), and whether to use the Current Working Directory (useCWD)
//
function makePath(path1, path2, useCWD)
{
    if (useCWD != null && useCWD)
    {
        // If useCWD is specified, path1 is ignored, and it will instead use the current process's working directory

        // We're going to take the leaf folder of path1, and place it in the working folder
        var tokens = process.cwd().split(process.platform == 'win32' ? '\\' : '/');
        tokens.pop();
        tokens.push(path1.split(process.platform == 'win32' ? '\\' : '/').pop()); 
        path1 = tokens.join(process.platform == 'win32' ? '\\' : '/');
    }

    if (path2.startsWith('.'))
    {
        // We're going to substitute .exe with the specified extension in path2
        if (path1.toLowerCase().endsWith('.exe')) { path1 = path1.substring(0, path1.length - 4); }
        path1 += path2;
    }
    else
    {
        // We're going to take path1, remove the trailing delimiter, and append path2, then convert all the delimiters back to the OS specific delimter
        var tokens = path1.split(process.platform == 'win32' ? '\\' : '/');
        tokens.pop();
        tokens.push(path2);
        path1 = tokens.join(process.platform == 'win32' ? '\\' : '/');
    }
    return (path1);
}

module.exports = makePath;