class SwaggerCodegen < Formula
  desc "Generate clients, server stubs, and docs from an OpenAPI spec"
  homepage "https://swagger.io/swagger-codegen/"
  url "https://github.com/swagger-api/swagger-codegen/archive/v3.0.15.tar.gz"
  sha256 "2c5389dae505ee49a25dac21258862db98a3bb6efdeafcf3b607ca528666addb"
  head "https://github.com/swagger-api/swagger-codegen.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "eac6b8079a125e370e525633ec8ab3d6a7aaf4e9659fae46454e994198f0d8ed" => :catalina
    sha256 "858e737440f8eafaa6133727fb44fa0c6bdea863cc8df3292b202e5fd9ac97f9" => :mojave
    sha256 "e807dbd6214e1c6276a33b5ac84ac81b11adfbe3e04a8126c1749c4e6edc6d2d" => :high_sierra
  end

  depends_on "maven" => :build
  depends_on :java => "1.8"

  def install
    # Need to set JAVA_HOME manually since maven overrides 1.8 with 1.7+
    cmd = Language::Java.java_home_cmd("1.8")
    ENV["JAVA_HOME"] = Utils.popen_read(cmd).chomp

    system "mvn", "clean", "package"
    libexec.install "modules/swagger-codegen-cli/target/swagger-codegen-cli.jar"
    bin.write_jar_script libexec/"swagger-codegen-cli.jar", "swagger-codegen"
  end

  test do
    (testpath/"minimal.yaml").write <<~EOS
      ---
      openapi: 3.0.0
      info:
        version: 0.0.0
        title: Simple API
      paths:
        /:
          get:
            responses:
              200:
                description: OK
    EOS
    system "#{bin}/swagger-codegen", "generate", "-i", "minimal.yaml", "-l", "html"
    assert_includes File.read(testpath/"index.html"), "<h1>Simple API</h1>"
  end
end