# Copyright (c) 2022 Huawei Device Co., Ltd.
# 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/templates/cxx/cxx.gni")

allowAllLints = [
  "--cap-lints",
  "allow",
]
rustcOhosLints = [
  "-A",
  "deprecated",
  "-D",
  "missing-docs",
  "-D",
  "warnings",
]
rustcVendorLints = [
  "-A",
  "deprecated",
  "-D",
  "warnings",
]
clippyOhosLints = [
  "-A",
  "clippy::type-complexity",
  "-A",
  "clippy::unnecessary-wraps",
  "-A",
  "clippy::unusual-byte-groupings",
  "-A",
  "clippy::upper-case-acronyms",
]
clippyVendorLints = [
  "-A",
  "clippy::complexity",
  "-A",
  "clippy::perf",
  "-A",
  "clippy::style",
]

template("rust_target_lints") {
  _target_name = target_name
  _crate_name = target_name
  _crate_type = invoker.crate_type
  _target_type = invoker.target_type
  _rustflags = []

  target(_target_type, "$_target_name") {
    forward_variables_from(invoker, "*")
    crate_name = _crate_name
    crate_type = _crate_type

    if (defined(invoker.rustc_lints)) {
      rustc_lints = invoker.rustc_lints
    }
    if (defined(invoker.clippy_lints)) {
      clippy_lints = invoker.clippy_lints
    }
    if (!defined(rustc_lints) && !defined(clippy_lints)) {
      file_path =
          get_path_info(get_path_info(invoker.sources, "dir"), "abspath")
      file_path_split = string_split(file_path[0], "/")
      source_dir_begin = file_path_split[2]
      print(source_dir_begin)
      if (source_dir_begin == "openharmony") {
        _rustflags += allowAllLints
      } else if (source_dir_begin == "prebuilts") {
        _rustflags += allowAllLints
      } else if (source_dir_begin == "vendor") {
        _rustflags += rustcVendorLints
        _rustflags += clippyVendorLints
      } else if (source_dir_begin == "device") {
        _rustflags += rustcVendorLints
        _rustflags += clippyVendorLints
      } else {
        _rustflags += rustcOhosLints
        _rustflags += clippyOhosLints
      }
    }

    if (defined(rustc_lints)) {
      if (invoker.rustc_lints == "openharmony") {
        _rustflags += rustcOhosLints
      } else if (rustc_lints == "vendor") {
        _rustflags += rustcVendorLints
      } else if (rustc_lints == "none") {
        _rustflags += allowAllLints
      }
    }
    if (defined(clippy_lints)) {
      if (invoker.clippy_lints == "openharmony") {
        _rustflags += clippyOhosLints
      } else if (clippy_lints == "vendor") {
        _rustflags += clippyVendorLints
      } else if (clippy_lints == "none") {
        _rustflags += allowAllLints
      }
    }
    if (!defined(rustflags)) {
      rustflags = _rustflags
    } else {
      rustflags += _rustflags
    }
  }
}