#! /usr/bin/env dotnet
#:property Nullable=enable
#:property PublishAOT=false
#:package ArcaneLibs@1.0.0-preview.20251207*

using ArcaneLibs;
using ArcaneLibs.Extensions;
using System.Text.Json;

Console.WriteLine("==> Getting outputs...");
var outs = JsonSerializer.Deserialize<string[]>(Util.GetCommandOutputSync("nix", $"eval --json .#packages.x86_64-linux --apply builtins.attrNames", silent: true, stderr: false));
if (args.Length > 0) {
    var filter = args[0];
    outs = outs.Where(x => x.Contains(filter)).ToArray();
}

Console.WriteLine($"==> Updating dependencies for {outs.Length} projects...");

var ss = new SemaphoreSlim(1, 1);
var idx = 0;
var tasks = outs.Select(outp => Task.Run(async () => {
    Console.WriteLine(ConsoleUtils.ColoredString($"  ==> Updating {outp}...", 0x80, 0x80, 0xff));
    Console.Write(ConsoleUtils.ColoredString($"    ==> Getting project root directory... ", 0x80, 0xff, 0xff));
    var rootDir = JsonSerializer.Deserialize<string>(Util.GetCommandOutputSync("nix", $"eval --json .#packages.x86_64-linux.{outp}.srcRoot", silent: true, stderr: false)).Split("/extra/admin-api/", 2)[1];
    Console.WriteLine(ConsoleUtils.ColoredString($"{rootDir}", 0x80, 0xff, 0xff));
    if (rootDir.Length <= 1) throw new Exception("Invalid project file count?");

    var nugetDepsFilePath = Path.Combine(rootDir, "deps.json");
    Console.WriteLine(ConsoleUtils.ColoredString($"    ==> {nugetDepsFilePath} exists: {File.Exists(nugetDepsFilePath)}", 0x80, 0xff, 0xff));
    if (!File.Exists(nugetDepsFilePath)) {
        Console.WriteLine(ConsoleUtils.ColoredString($"      ==> No NuGet deps file, skipping!", 0xff, 0x80, 0x80));
        return;
    }

    if (idx == 1) await Task.Delay(3000); // give the first one a bit of time to eval...
    await Task.Delay(idx++ * 1500);
    
    var fname = $"./update-deps-{outp}";
    Console.WriteLine(ConsoleUtils.ColoredString($"      ==> Building fetch-deps script {fname}...", 0x80, 0xff, 0x80));
    Util.RunCommandSync("nix", $"build .#{outp}.passthru.fetch-deps --out-link {fname}");

    Console.WriteLine(ConsoleUtils.ColoredString($"      ==> Running fetch-deps script, writing into {nugetDepsFilePath}...", 0x80, 0xff, 0x80));
    Util.RunCommandSync(fname, nugetDepsFilePath);

    var deps = JsonSerializer.Deserialize<object[]>(await File.ReadAllTextAsync(nugetDepsFilePath));
    Console.WriteLine(ConsoleUtils.ColoredString($"      ==> Locked {deps.Length} dependencies for {outp}...", (byte)(deps.Length == 0 ? 0xff : 0x80), (byte)(deps.Length == 0 ? 0x80 : 0xff), 0x80));
    File.Delete(fname);


    // await Task.Delay(250);
})).ToList();

await Task.WhenAll(tasks);