class Scrcpy < Formula
  desc "Display and control your Android device"
  homepage "https://github.com/Genymobile/scrcpy"
  url "https://github.com/Genymobile/scrcpy/archive/v1.6.tar.gz"
  sha256 "b41925d087420cbe24d7fa901cbb537f492c28c50d875fcf738e7fe4b26d7d05"

  bottle do
    sha256 "0b6b597f62e5347cefbfbfc72656f04e768941c98a897cbc0742a1f9cbe8d88f" => :mojave
    sha256 "63f24a32d95c6148c0e912b9b892a278357010e7168a60a579c7b8bef1453b45" => :high_sierra
    sha256 "50707fee5560031006062084fe39fb012185331777fecd47b660bc915216a2ee" => :sierra
  end

  depends_on "meson" => :build
  depends_on "ninja" => :build
  depends_on "pkg-config" => :build
  depends_on "ffmpeg"
  depends_on "sdl2"

  resource "prebuilt-server" do
    url "https://github.com/Genymobile/scrcpy/releases/download/v1.6/scrcpy-server-v1.6.jar"
    sha256 "08df924bf6d10943df9eaacfff548a99871ebfca4641f8c7ddddb73f27cb905b"
  end

  def install
    r = resource("prebuilt-server")
    r.verify_download_integrity(r.fetch)
    cp r.cached_download, buildpath/"prebuilt-server.jar"

    mkdir "build" do
      system "meson", "--prefix=#{prefix}",
                      "--buildtype=release",
                      "-Dprebuilt_server=#{buildpath}/prebuilt-server.jar",
                      ".."

      system "ninja", "install"
    end
  end

  def caveats; <<~EOS
    At runtime, adb must be accessible from your PATH.

    You can install adb from Homebrew Cask:
      brew cask install android-platform-tools
  EOS
  end

  test do
    fakeadb = (testpath/"fakeadb.sh")

    # When running, scrcpy calls adb three times:
    #  - adb push ... (to push scrcpy-server.jar)
    #  - adb reverse ... tcp:PORT ...
    #  - adb shell ...
    # However, exiting on $1 = shell didn't work properly, so instead
    # fakeadb exits on $1 = reverse

    fakeadb.write <<~EOS
      #!/bin/sh
      echo $@ >> #{testpath/"fakeadb.log"}

      if [ "$1" = "reverse" ]; then
        exit 42
      fi
    EOS

    fakeadb.chmod 0755
    ENV["ADB"] = fakeadb

    # It's expected to fail after adb reverse step because fakeadb exits
    # with code 42
    out = shell_output("#{bin}/scrcpy -p 1337 2>&1", 1)
    assert_match(/ 42/, out)

    log_content = File.read(testpath/"fakeadb.log")

    # Check that it used port we've specified
    assert_match(/tcp:1337/, log_content)

    # Check that it tried to push something from its prefix
    assert_match(/push #{prefix}/, log_content)
  end
end