load("//cargo:defs.bzl", "cargo_toml_env_vars")
load("//rust:defs.bzl", "rust_binary", "rust_test")

# TODO: This target currently fails on windows.
NOT_WINDOWS = select({
    "@platforms//os:windows": ["@platforms//:incompatible"],
    "//conditions:default": [],
})

genrule(
    name = "gen_empty_cargo_output",
    srcs = glob([
        "empty/**/*.toml",
        "empty/**/*.rs",
    ]),
    outs = ["empty_cargo_output"],
    cmd = "RUSTC=$(execpath //tools/upstream_wrapper:rustc) $(execpath //tools/upstream_wrapper:cargo) run --manifest-path=cargo/cargo_toml_variable_extractor/testdata/empty/Cargo.toml > $@",
    cmd_bat = "set RUSTC=$(execpath //tools/upstream_wrapper:rustc) && $(execpath //tools/upstream_wrapper:cargo) run --manifest-path=cargo\\cargo_toml_variable_extractor\\testdata\\empty\\Cargo.toml > $@",
    target_compatible_with = NOT_WINDOWS,
    tools = [
        "//tools/upstream_wrapper:cargo",
        "//tools/upstream_wrapper:rustc",
    ],
)

cargo_toml_env_vars(
    name = "empty_cargo_env",
    src = "empty/Cargo.toml",
)

rust_binary(
    name = "empty_bin",
    srcs = ["empty/src/main.rs"],
    edition = "2021",
    rustc_env_files = [":empty_cargo_env"],
)

genrule(
    name = "gen_empty_bazel_output",
    outs = ["empty_bazel_output"],
    cmd = "$(execpath :empty_bin) > $@",
    cmd_bat = "$(execpath :empty_bin) > $@",
    tools = [":empty_bin"],
)

rust_test(
    name = "empty_diff_test",
    srcs = ["diff_test.rs"],
    data = [
        ":empty_bazel_output",
        ":empty_cargo_output",
    ],
    edition = "2021",
    env = {
        "FILE_1": "$(rlocationpath :empty_cargo_output)",
        "FILE_2": "$(rlocationpath :empty_bazel_output)",
    },
    deps = [
        "//rust/runfiles",
    ],
)

genrule(
    name = "gen_standalone_cargo_output",
    srcs = glob([
        "standalone/**/*.toml",
        "standalone/**/*.rs",
    ]),
    outs = ["standalone_cargo_output"],
    cmd = "RUSTC=$(execpath //tools/upstream_wrapper:rustc) $(execpath //tools/upstream_wrapper:cargo) run --manifest-path=cargo/cargo_toml_variable_extractor/testdata/standalone/Cargo.toml > $@",
    cmd_bat = "set RUSTC=$(execpath //tools/upstream_wrapper:rustc) && $(execpath //tools/upstream_wrapper:cargo) run --manifest-path=cargo\\cargo_toml_variable_extractor\\testdata\\standalone\\Cargo.toml > $@",
    target_compatible_with = NOT_WINDOWS,
    tools = [
        "//rust/toolchain:current_rust_stdlib_files",
        "//tools/upstream_wrapper:cargo",
        "//tools/upstream_wrapper:rustc",
    ],
)

cargo_toml_env_vars(
    name = "standalone_cargo_env",
    src = "standalone/Cargo.toml",
)

rust_binary(
    name = "standalone_bin",
    srcs = ["standalone/src/main.rs"],
    edition = "2021",
    rustc_env_files = [":standalone_cargo_env"],
)

genrule(
    name = "gen_standalone_bazel_output",
    outs = ["standalone_bazel_output"],
    cmd = "$(execpath :standalone_bin) > $@",
    cmd_bat = "$(execpath :standalone_bin) > $@",
    tools = [":standalone_bin"],
)

rust_test(
    name = "standalone_diff_test",
    srcs = ["diff_test.rs"],
    data = [
        ":standalone_bazel_output",
        ":standalone_cargo_output",
    ],
    edition = "2021",
    env = {
        "FILE_1": "$(rlocationpath :standalone_cargo_output)",
        "FILE_2": "$(rlocationpath :standalone_bazel_output)",
    },
    deps = [
        "//rust/runfiles",
    ],
)

genrule(
    name = "gen_workspace_subcrate_cargo_output",
    srcs = glob(
        include = [
            "workspace/**/*.toml",
            "workspace/**/*.rs",
            "workspace/**/.gitignore",
        ],
        exclude = ["workspace/target/**"],
    ),
    outs = ["workspace_subcrate_cargo_output"],
    cmd = "RUSTC=$(execpath //tools/upstream_wrapper:rustc) $(execpath //tools/upstream_wrapper:cargo) run --quiet --manifest-path=cargo/cargo_toml_variable_extractor/testdata/workspace/subcrate/Cargo.toml > $@",
    cmd_bat = "set RUSTC=$(execpath //tools/upstream_wrapper:rustc) && $(execpath //tools/upstream_wrapper:cargo) run --quiet --manifest-path=cargo\\cargo_toml_variable_extractor\\testdata\\workspace\\subcrate\\Cargo.toml > $@",
    target_compatible_with = NOT_WINDOWS,
    tools = [
        "//rust/toolchain:current_rust_stdlib_files",
        "//tools/upstream_wrapper:cargo",
        "//tools/upstream_wrapper:rustc",
    ],
)

cargo_toml_env_vars(
    name = "workspace_subcrate_cargo_env",
    src = "workspace/subcrate/Cargo.toml",
    workspace = "workspace/Cargo.toml",
)

rust_binary(
    name = "workspace_subcrate_bin",
    srcs = ["workspace/subcrate/src/main.rs"],
    edition = "2021",
    rustc_env_files = [":workspace_subcrate_cargo_env"],
)

genrule(
    name = "gen_workspace_subcrate_bazel_output",
    outs = ["workspace_subcrate_bazel_output"],
    cmd = "$(execpath :workspace_subcrate_bin) > $@",
    cmd_bat = "$(execpath :workspace_subcrate_bin) > $@",
    tools = [":workspace_subcrate_bin"],
)

rust_test(
    name = "workspace_subcrate_diff_test",
    srcs = ["diff_test.rs"],
    data = [
        ":workspace_subcrate_bazel_output",
        ":workspace_subcrate_cargo_output",
    ],
    edition = "2021",
    env = {
        "FILE_1": "$(rlocationpath :workspace_subcrate_cargo_output)",
        "FILE_2": "$(rlocationpath :workspace_subcrate_bazel_output)",
    },
    deps = [
        "//rust/runfiles",
    ],
)