@{/*

kpm-build
    Builds a project.

projectFile=''
    Required. Path to the project.json to build.

configuration=''
    Optional. The configuration to build in. Defaults to 'Debug'.
*/}

default configuration = 'Debug'
default build_options='${E("NUGET3_build_options")}'

@{
    if (IsBuildV2)
    {
        var projectsToPack = new List<string>();
        foreach(var arg in projectFile.Split((char)';'))
        {
            if (!arg.Contains("*"))
            {
                projectsToPack.Add(Path.GetDirectoryName(arg));
            }
            else
            {
                var projectFolders = Files.Include(arg + "/project.json").Select(proj => Path.GetDirectoryName(proj));
                projectsToPack.AddRange(projectFolders);
            }
        }

        foreach(var projFolder in projectsToPack)
        {
            DeleteFolder(Path.Combine(projFolder, "bin", configuration));
        }

        var projectsArg=projectFile.Replace(";", " ");
        var dnuArgs=string.Format("build{0} {1} --configuration {2}", build_options, projectsArg, configuration);
        if (!IsMono)
        {
            Exec("cmd", "/C dnu " + dnuArgs);
        }
        else
        {
            Exec("dnu", dnuArgs);
        }
    }
    else
    {
        var projectFolder=Path.GetDirectoryName(projectFile);
        var projectBin=Path.Combine(projectFolder, "bin", configuration);

        DeleteFolder(projectBin);

        var dnuArgs=string.Format("build{0} {1} --configuration {2}", build_options, projectFolder, configuration);
        if (!IsMono)
        {
            Exec("cmd", "/C dnu " + dnuArgs);
        }
        else
        {
            Exec("dnu", dnuArgs);
        }
    }
}