# Copyright (c) 2023 Project CHIP Authors
# All rights reserved.

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import("//build_overrides/build.gni")
import("//build_overrides/chip.gni")
import("//build_overrides/efr32_sdk.gni")
import("//build_overrides/pigweed.gni")

import("${build_root}/config/defaults.gni")
import("${efr32_sdk_build_root}/silabs_executable.gni")

import("${chip_root}/examples/common/pigweed/pigweed_rpcs.gni")
import("${chip_root}/src/platform/device.gni")
import("${chip_root}/third_party/silabs/silabs_board.gni")

if (chip_enable_pw_rpc) {
  import("//build_overrides/pigweed.gni")
  import("$dir_pw_build/target_types.gni")
}

assert(current_os == "freertos")

silabs_project_dir = "${chip_root}/examples/lit-icd-app/silabs"
examples_common_plat_dir = "${chip_root}/examples/platform/silabs"

if (wifi_soc) {
  import("${chip_root}/third_party/silabs/SiWx917_sdk.gni")
  examples_plat_dir = "${chip_root}/examples/platform/silabs/SiWx917"
} else {
  import("${efr32_sdk_build_root}/efr32_sdk.gni")
  examples_plat_dir = "${chip_root}/examples/platform/silabs/efr32"
}

import("${examples_common_plat_dir}/args.gni")

declare_args() {
  # Dump memory usage at link time.
  chip_print_memory_usage = false
}

if (wifi_soc) {
  siwx917_sdk("sdk") {
    sources = [
      "${examples_common_plat_dir}/FreeRTOSConfig.h",
      "${silabs_project_dir}/include/CHIPProjectConfig.h",
    ]

    include_dirs = [
      "${chip_root}/src/platform/silabs/SiWx917",
      "${silabs_project_dir}/include",
      "${examples_plat_dir}",
      "${chip_root}/src/lib",
      "${examples_common_plat_dir}",
    ]

    defines = []
    if (chip_enable_pw_rpc) {
      defines += [
        "HAL_VCOM_ENABLE=1",
        "PW_RPC_ENABLED",
      ]
    }
  }
} else {
  efr32_sdk("sdk") {
    sources = [
      "${examples_common_plat_dir}/FreeRTOSConfig.h",
      "${silabs_project_dir}/include/CHIPProjectConfig.h",
    ]

    include_dirs = [
      "${chip_root}/src/platform/silabs/efr32",
      "${silabs_project_dir}/include",
      "${examples_plat_dir}",
      "${chip_root}/src/lib",
      "${examples_common_plat_dir}",
    ]

    if (use_wf200) {
      # TODO efr32_sdk should not need a header from this location
      include_dirs += [ "${examples_plat_dir}/wf200" ]
    }

    if (chip_enable_ble_rs911x) {
      # TODO efr32_sdk should not need a header from this location
      include_dirs += [
        "${chip_root}/src/platform/silabs/efr32/rs911x",
        "${examples_plat_dir}/rs911x",
        "${examples_plat_dir}/rs911x/hal",
      ]
    }

    defines = []
    if (chip_enable_pw_rpc) {
      defines += [
        "HAL_VCOM_ENABLE=1",
        "PW_RPC_ENABLED",
      ]
    }
  }
}

silabs_executable("lit_icd_app") {
  output_name = "matter-silabs-lit-icd-example.out"
  include_dirs = [ "include" ]
  defines = []

  sources = [
    "${examples_common_plat_dir}/main.cpp",
    "src/AppTask.cpp",
    "src/ZclCallbacks.cpp",
  ]

  deps = [
    ":sdk",
    app_data_model,
  ]

  if (wifi_soc) {
    deps += [ "${examples_plat_dir}:siwx917-common" ]
  } else {
    deps += [ "${examples_plat_dir}:efr32-common" ]
  }

  if (chip_build_libshell) {
    sources += [ "src/ShellCommands.cpp" ]
  }

  if (chip_enable_pw_rpc) {
    defines += [
      "PW_RPC_ENABLED",
      "PW_RPC_ATTRIBUTE_SERVICE=1",
      "PW_RPC_BUTTON_SERVICE=1",
      "PW_RPC_DESCRIPTOR_SERVICE=1",
      "PW_RPC_DEVICE_SERVICE=1",
      "PW_RPC_LIGHTING_SERVICE=1",
    ]

    sources += [
      "${chip_root}/examples/common/pigweed/RpcService.cpp",
      "${chip_root}/examples/common/pigweed/efr32/PigweedLoggerMutex.cpp",
      "${examples_common_plat_dir}/PigweedLogger.cpp",
      "${examples_common_plat_dir}/Rpc.cpp",
    ]

    deps += [
      "$dir_pw_hdlc:rpc_channel_output",
      "$dir_pw_stream:sys_io_stream",
      "${chip_root}/config/efr32/lib/pw_rpc:pw_rpc",
      "${chip_root}/examples/common/pigweed:attributes_service.nanopb_rpc",
      "${chip_root}/examples/common/pigweed:button_service.nanopb_rpc",
      "${chip_root}/examples/common/pigweed:descriptor_service.nanopb_rpc",
      "${chip_root}/examples/common/pigweed:device_service.nanopb_rpc",
      "${chip_root}/examples/common/pigweed:lighting_service.nanopb_rpc",
    ]

    if (wifi_soc) {
      deps += [ "${examples_plat_dir}/pw_sys_io:pw_sys_io_siwx917" ]
    } else {
      deps += [ "${examples_common_plat_dir}/pw_sys_io:pw_sys_io_silabs" ]
    }

    deps += pw_build_LINK_DEPS

    include_dirs += [
      "${chip_root}/examples/common",
      "${chip_root}/examples/common/pigweed/efr32",
    ]
  }

  ldscript = "${examples_common_plat_dir}/ldscripts/${silabs_family}.ld"

  inputs = [ ldscript ]

  ldflags = [ "-T" + rebase_path(ldscript, root_build_dir) ]

  if (chip_print_memory_usage) {
    ldflags += [
      "-Wl,--print-memory-usage",
      "-fstack-usage",
    ]
  }

  # WiFi Settings
  if (chip_enable_wifi) {
    ldflags += [
      "-Wl,--defsym",
      "-Wl,SILABS_WIFI=1",
    ]
  }

  output_dir = root_out_dir
}

group("silabs") {
  deps = [ ":lit_icd_app" ]
}

group("default") {
  deps = [ ":silabs" ]
}