use namespace="System"
use namespace="System.IO"
use import="Files"
use import="BuildEnv"
use import="FileWatcher"

default BASE_DIR='${Directory.GetCurrentDirectory()}'
default TARGET_DIR='${Path.Combine(BASE_DIR, "artifacts")}'
default BUILD_DIR='${Path.Combine(TARGET_DIR, "build")}'
default TEST_DIR='${Path.Combine(TARGET_DIR, "test")}'

@{
  E("K_BUILD_VERSION", BuildNumber);
}

#repo-initialize target='initialize'
  k-restore
  k-generate-projects solutionPath='${BASE_DIR}'

#target-dir-clean target='clean'
  directory delete="${TARGET_DIR}"

#build-clean target='clean'
  k-clean each='var projectFile in Files.Include("src/**/project.json")'

#build-compile target='compile'
  k-build each='var projectFile in Files.Include("src/**/project.json")'
  @{
    foreach (var nupkg in Files.Include(Path.Combine(BUILD_DIR, "*/*.nupkg"))) 
    {
      File.Copy(nupkg, Path.Combine(BUILD_DIR, Path.GetFileName(nupkg)), true);
    }
  }

#nuget-install target='install' description='Copy NuGet packages to local repo'
  nuget-local-publish sourcePackagesDir='${BUILD_DIR}'


#watch
  @{
    var watcher = new FileWatcher(BASE_DIR);

    foreach (var file in Directory.EnumerateFiles(BASE_DIR, "*.json", SearchOption.AllDirectories))
    {
        watcher.WatchFile(file);
    }

    foreach (var file in Directory.EnumerateFiles(BASE_DIR, "*.cs", SearchOption.AllDirectories))
    {
        watcher.WatchFile(file);
    }

    foreach (var dir in Directory.EnumerateDirectories(BASE_DIR, "*.*", SearchOption.AllDirectories))
    {
        watcher.WatchDirectory(dir, ".cs");
        watcher.WatchDirectory(dir, ".json");
    }

    watcher.OnChanged += path => 
    {
      Log.Info("Change detected in " + path);
      bool restore = path.EndsWith("project.json");

      try
      {
        UpdateProjects(BASE_DIR, restore);
      }
      catch (Exception ex)
      {
        Log.Warn(ex.Message);
      }

      Log.Info("Waiting for changes...");
    };

    Log.Info("Waiting for changes...");
    Console.ReadLine();
  }

functions @{
    string E(string key) { return Environment.GetEnvironmentVariable(key); }
    void E(string key, string value) { Environment.SetEnvironmentVariable(key, value); }
}

macro name='UpdateProjects' basePath='string' restore='bool'
    k command='restore' prefetch='${false}' if='restore'
    k-generate-projects solutionPath='${basePath}' skipNet45='${!restore}'