# Copyright 2013 The Flutter Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/config/android/config.gni")
import("//flutter/tools/templater/templater.gni")

android_buildtools =
    "//flutter/third_party/android_tools/sdk/build-tools/34.0.0"
aapt2 = "$android_buildtools/aapt2"
zipalign = "$android_buildtools/zipalign"
apksigner = "$android_buildtools/apksigner"
android_jar =
    "//flutter/third_party/android_tools/sdk/platforms/android-34/android.jar"
src_root = "//flutter/testing/android/native_activity"

# A drop in replacement for an executable or shared library target. Providing a
# (required) apk_name packages that native code into an APK suitable for
# debugging.
template("native_activity_apk") {
  assert(defined(invoker.apk_name), "The name of the APK must be specified.")

  invoker_apk_name = invoker.apk_name
  apk_dylib_name = "lib$invoker_apk_name.so"

  android_manifest_template = "$src_root/AndroidManifest.xml.template"
  android_manifest = "$target_gen_dir/AndroidManifest.xml"

  android_manifest_target_name = "android_manifest_$target_name"
  templater(android_manifest_target_name) {
    input = android_manifest_template
    output = android_manifest
    values = [ "--apk-library-name=$invoker_apk_name" ]
  }

  shared_library_target_name = "shared_library_$target_name"
  shared_library(shared_library_target_name) {
    forward_variables_from(invoker, "*", [ "output_name" ])
    output_name = invoker_apk_name
  }

  apk_target_name = "apk_$target_name"
  action(apk_target_name) {
    forward_variables_from(invoker, [ "testonly" ])

    script = "$src_root/native_activity_apk.py"

    apk_path = "$root_build_dir/$invoker_apk_name.apk"

    sources = [
      "$root_build_dir/$apk_dylib_name",
      aapt2,
      android_jar,
      android_manifest_template,
      apksigner,
      zipalign,
    ]

    outputs = [ apk_path ]

    args = [
      "--aapt2-bin",
      rebase_path(aapt2, root_build_dir),
      "--zipalign-bin",
      rebase_path(zipalign, root_build_dir),
      "--android-manifest",
      rebase_path(android_manifest, root_build_dir),
      "--android-jar",
      rebase_path(android_jar, root_build_dir),
      "--output-path",
      rebase_path(apk_path, root_build_dir),
      "--library",
      rebase_path("$root_build_dir/$apk_dylib_name", root_build_dir),
      "--apksigner-bin",
      rebase_path(apksigner, root_build_dir),
      "--keystore",
      rebase_path("$src_root/debug.keystore", root_build_dir),
      "--gen-dir",
      rebase_path(target_gen_dir, root_build_dir),
      "--android-abi",
      android_app_abi,
    ]
    deps = [
      ":$android_manifest_target_name",
      ":$shared_library_target_name",
    ]
  }

  group(target_name) {
    forward_variables_from(invoker, [ "testonly" ])

    deps = [ ":$apk_target_name" ]
  }
}