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// ============================================================= //
// nebuild
// Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under BSD-3 license.
// ============================================================= //

#include <NeBuildKit/JSONManifestBuilder.h>
#include <NeBuildKit/TOMLManifestBuilder.h>
#include <memory>
#include <thread>

int main(int argc, char** argv) {
  if (argc <= 1) return EXIT_FAILURE;

  NeBuild::BuildConfig config;

  for (size_t index = 1; index < argc; ++index) {
    std::string index_path = argv[index];

    if (index_path == "-v" || index_path == "-version") {
      NeBuild::Logger::info() << "NeBuild (" << NEBUILD_VERSION << ")\n";
      NeBuild::Logger::info() << "Bugs or issues? https://github.com/nekernel-org/nebuild/issues\n";

      return EXIT_SUCCESS;
    } else if (index_path == "-dry-run" || index_path == "-n") {
      config.dry_run_ = true;
      continue;
    } else if (index_path == "-h" || index_path == "-help") {
      NeBuild::Logger::info() << "usage: nebuild <options> <file>.\n";

      return EXIT_SUCCESS;
    }

    auto index_cpy = index;

    std::thread job_build_thread([&index_path, &index, &index_cpy, &argc, &argv, &config]() -> void {
      std::unique_ptr<NeBuild::IManifestBuilder> builder;

      const auto kJsonExtension = ".json";

      if (index_path.ends_with(kJsonExtension)) {
        builder = std::make_unique<NeBuild::JSONManifestBuilder>();

        if (!builder) {
          config.has_failed_ = true;
          return;
        }
      } else {
        const auto kTomlExtension = ".toml";
        builder = std::make_unique<NeBuild::TOMLManifestBuilder>();

        if (!index_path.ends_with(kTomlExtension)) {
          NeBuild::Logger::info() << "error: file '" << index_path << "' is not a manifest file!"
                                  << std::endl;
          config.has_failed_ = true;
          return;
        }
      }

      std::string next_path;

      if ((index_cpy + 1) < argc && argv[index_cpy + 1]) next_path = argv[index_cpy + 1];

      if (next_path == "-build-system") {
        NeBuild::Logger::info() << builder->BuildSystem() << std::endl;
        std::exit(EXIT_SUCCESS);
      }

      NeBuild::Logger::info() << "building manifest: " << index_path << std::endl;

      config.path_ = index_path;

      if (builder && !builder->BuildTarget(config)) {
        config.has_failed_ = true;
      }
    });

    job_build_thread.join();
  }

  return !config ? EXIT_FAILURE : EXIT_SUCCESS;
}