# Copyright 2020 The Fuchsia 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/components.gni")
import("//build/config.gni")

# Example:
# ```
#   audio_core_config_test("foo-audio-core-config-test") {
#     config_sources = [
#       "//path/to/audio_core_config.json",
#     ]
#     policy_sources = [
#       "//path/to/audio_policy.json",
#     ]
#     package_name = "foo-audio-core-config-test"
#   }
# ```
#
# Parameters
#     config_sources (required)
#       A list of paths to audio_core_config.json files.
#       Type: list (string)
#
#     policy_sources (required)
#       A list of paths to audio_policy.json files.
#       Type: list (string)
#
#     package_name (optional)
#       The name of the package to create.
#       Type: string
#       Default: $target_name
#
template("audio_core_config_test") {
  assert(defined(invoker.config_sources))

  package_name = target_name
  if (defined(invoker.package_name)) {
    package_name = invoker.package_name
  }

  test_config_resource = "${target_name}_config_resource"
  resource(test_config_resource) {
    visibility = [ ":*" ]
    testonly = true
    sources = invoker.config_sources
    outputs = [ "audio_core_config/{{source_file_part}}" ]
  }

  if (defined(invoker.policy_sources)) {
    test_policy_resource = "${target_name}_policy_resource"
    resource(test_policy_resource) {
      visibility = [ ":*" ]
      testonly = true
      sources = invoker.policy_sources
      outputs = [ "audio_policy/{{source_file_part}}" ]
    }
  }

  fuchsia_unittest_package(target_name) {
    deps = [
      ":${test_config_resource}",
      "//src/media/audio/audio_core/test/config_validator",
    ]
    if (defined(invoker.policy_sources)) {
      deps += [ ":${test_policy_resource}" ]
    }
  }
}

# Example:
# ```
#   audio_core_config("foo_audio_core_config") {
#     for_pkg = "audio_core"
#     config = "//path/to/audio_core_config.json"
#     policy = "//path/to/audio_policy.json"
#     test_package_name = "foo-audio-core-config-test"
#   }
# ```
#
# Parameters
#     for_pkg (required)
#       The name of the audio_core package.
#       Type: string
#
#     config (required)
#       The path of an audio_core_config.json file.
#       Type: string
#
#     policy (optional)
#       The path of an audio_policy.json file.
#       Type: string
#
#     test_package_name(required)
#       The package name of a fuchsia_unittest_package. This test package will validate that
#       `config` can be loaded by audio_core.
#       Type: string
#
template("audio_core_config") {
  assert(defined(invoker.for_pkg))
  assert(defined(invoker.config))
  assert(defined(invoker.test_package_name))

  # Add the config-data for the audio_core package.
  config_data(target_name + "-config") {
    forward_variables_from(invoker,
                           [
                             "testonly",
                             "for_pkg",
                           ])
    sources = [ invoker.config ]
    outputs = [ "audio_core_config.json" ]
  }
  if (defined(invoker.policy)) {
    config_data(target_name + "-policy") {
      forward_variables_from(invoker,
                             [
                               "testonly",
                               "for_pkg",
                             ])
      sources = [ invoker.policy ]
      outputs = [ "audio_policy.json" ]
    }
  }
  group(target_name) {
    deps = [ ":${target_name}-config" ]
    if (defined(invoker.policy)) {
      deps += [ ":${target_name}-policy" ]
    }
  }

  audio_core_config_test(invoker.test_package_name) {
    config_sources = [ invoker.config ]
    if (defined(invoker.policy)) {
      policy_sources = [ invoker.policy ]
    }
  }
}