# 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/host.gni")
import("//build/rust/rustc_binary.gni")
import("//build/rust/rustc_library.gni")
import("//build/rust/rustc_test.gni")

if (is_host) {
  rustc_binary("cargo-gnaw-bin") {
    edition = "2021"
    output_name = "gnaw"

    deps = [
      ":cargo-gnaw-lib",
      "//third_party/rust_crates:anyhow",
    ]

    sources = [ "src/main.rs" ]
  }

  rustc_library("cargo-gnaw-lib") {
    edition = "2021"
    name = "gnaw_lib"

    deps = [
      "//third_party/rust_crates:anyhow",
      "//third_party/rust_crates:argh",
      "//third_party/rust_crates:camino",
      "//third_party/rust_crates:cargo_metadata",
      "//third_party/rust_crates:serde",
      "//third_party/rust_crates:serde_derive",
      "//third_party/rust_crates:serde_json",
      "//third_party/rust_crates:toml",
      "//third_party/rust_crates:walkdir",
    ]

    sources = [
      "src/build.rs",
      "src/cfg.rs",
      "src/gn.rs",
      "src/graph.rs",
      "src/lib.rs",
      "src/target.rs",
      "src/types.rs",
    ]

    inputs = [
      "templates/gn_header.template",
      "templates/gn_import.template",
      "templates/gn_license.template",
      "templates/gn_rule.template",
      "templates/gn_sdk_metadata_header.template",
      "templates/top_level_binary_gn_rule.template",
      "templates/top_level_gn_rule.template",
    ]
  }

  rustc_test("cargo-gnaw-tests") {
    edition = "2021"
    source_root = "src/lib.rs"
    deps = [
      "//third_party/rust_crates:anyhow",
      "//third_party/rust_crates:argh",
      "//third_party/rust_crates:camino",
      "//third_party/rust_crates:cargo_metadata",
      "//third_party/rust_crates:serde",
      "//third_party/rust_crates:serde_derive",
      "//third_party/rust_crates:serde_json",
      "//third_party/rust_crates:toml",
      "//third_party/rust_crates:walkdir",
    ]

    sources = [
      "src/build.rs",
      "src/cfg.rs",
      "src/gn.rs",
      "src/graph.rs",
      "src/lib.rs",
      "src/target.rs",
      "src/types.rs",
    ]

    inputs = [
      "templates/gn_header.template",
      "templates/gn_import.template",
      "templates/gn_license.template",
      "templates/gn_rule.template",
      "templates/gn_sdk_metadata_header.template",
      "templates/top_level_binary_gn_rule.template",
      "templates/top_level_gn_rule.template",
    ]
  }
}

install_host_tools("install-cargo-gnaw") {
  deps = [ ":cargo-gnaw-bin" ]
  outputs = [ "gnaw" ]
}

group("cargo-gnaw") {
  testonly = true
  deps = [
    ":cargo-gnaw-bin($host_toolchain)",
    ":install-cargo-gnaw",
    ":tests",
  ]
}

group("tests") {
  testonly = true
  deps = [
    ":cargo-gnaw-tests($host_toolchain)",
    "tests",
  ]
}