# Copyright (c) 2025 Project CHIP Authors
#
# 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("${build_root}/config/defaults.gni")
import("${silabs_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 = "${chip_root}/examples/closure-app/silabs"
examples_common_plat_dir = "${chip_root}/examples/platform/silabs"
example_closure_dir = "${chip_root}/examples/closure-app"

if (wifi_soc) {
  import("${chip_root}/third_party/silabs/SiWx917_sdk.gni")
  examples_plat_dir = "${chip_root}/examples/platform/silabs/SiWx917"
} else {
  import("${silabs_sdk_build_root}/efr32_sdk.gni")
  examples_plat_dir = "${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 (slc_generate) {
  # Generate Project Specific config (Board, hardware used etc..)
  print(exec_script("${chip_root}/third_party/silabs/slc_gen/run_slc.py",
                    [
                      rebase_path(chip_root),
                      "${silabs_board}",
                      "${disable_lcd}",
                      "${use_wstk_buttons}",
                      "${use_wstk_leds}",
                      "${use_external_flash}",
                      "${silabs_mcu}",
                      rebase_path(slc_gen_path),
                    ],
                    "list lines"))
}

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 += [
        "${examples_plat_dir}/rs911x",
        "${examples_plat_dir}/rs911x/hal",
      ]
    }

    defines = []
    if (chip_enable_pw_rpc) {
      defines += [
        "HAL_VCOM_ENABLE=1",
        "PW_RPC_ENABLED",
      ]
    }
  }
}
silabs_executable("closure_app") {
  output_name = "matter-silabs-closure-example.out"
  include_dirs = [
    "include",
    "${example_closure_dir}/closure-common/include",
  ]
  defines = []

  if (silabs_board == "BRD2704A") {
    defines += [ "SL_STATUS_LED=0" ]
  }

  sources = [
    "${example_closure_dir}/closure-common/src/ClosureControlEndpoint.cpp",
    "${example_closure_dir}/closure-common/src/ClosureDimensionEndpoint.cpp",
    "${examples_common_plat_dir}/main.cpp",
    "src/AppTask.cpp",
    "src/ClosureManager.cpp",
    "src/DataModelCallbacks.cpp",
  ]

  deps = [ ":sdk" ]

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

  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",
      "PW_RPC_OTCLI_SERVICE=1",
      "PW_RPC_THREAD_SERVICE=1",
      "PW_RPC_TRACING_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",
      "$dir_pw_trace",
      "$dir_pw_trace_tokenized",
      "$dir_pw_trace_tokenized:trace_rpc_service",
      "${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",
      "${chip_root}/examples/common/pigweed:ot_cli_service.nanopb_rpc",
      "${chip_root}/examples/common/pigweed:thread_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 = [ ":closure_app" ]
}

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