load("@bazel_skylib//rules:copy_file.bzl", "copy_file")
load("@protobuf//bazel:cc_proto_library.bzl", "cc_proto_library")
load("@protobuf//bazel:proto_library.bzl", "proto_library")

package(
    default_visibility = ["//visibility:public"],
    features = [
        "layering_check",
        "parse_headers",
    ],
)

licenses(["notice"])  # Apache 2, BSD, MIT

proto_library(
    name = "sentencepiece_proto",
    srcs = ["src/sentencepiece.proto"],
)

cc_proto_library(
    name = "sentencepiece_cc_proto",
    deps = [":sentencepiece_proto"],
)

proto_library(
    name = "sentencepiece_model_proto",
    srcs = ["src/sentencepiece_model.proto"],
)

cc_proto_library(
    name = "sentencepiece_model_cc_proto",
    deps = [":sentencepiece_model_proto"],
)

copy_file(
    name = "config_h",
    src = "config.h.in",
    out = "config.h",
    allow_symlink = True,
)

cc_library(
    name = "darts_clone",
    hdrs = glob([
        "third_party/darts_clone/*.h",
    ]),
    includes = ["."],
)

cc_library(
    name = "sentencepiece_processor",
    srcs = [
        "src/bpe_model.cc",
        "src/char_model.cc",
        "src/error.cc",
        "src/filesystem.cc",
        "src/model_factory.cc",
        "src/model_interface.cc",
        "src/normalizer.cc",
        "src/sentencepiece_processor.cc",
        "src/unigram_model.cc",
        "src/util.cc",
        "src/word_model.cc",
    ],
    hdrs = [
        ":config_h",
        "src/common.h",
        "src/bpe_model.h",
        "src/char_model.h",
        "src/filesystem.h",
        "src/freelist.h",
        "src/init.h",
        "src/model_factory.h",
        "src/model_interface.h",
        "src/normalizer.h",
        "src/sentencepiece_processor.h",
        "src/trainer_interface.h",
        "src/unigram_model.h",
        "src/util.h",
        "src/word_model.h",
    ],
    defines = [
        "_USE_EXTERNAL_PROTOBUF",
        "_USE_EXTERNAL_ABSL",
    ],
    includes = [
        "src",
    ],
    deps = [
        ":darts_clone",
        ":sentencepiece_cc_proto",
        ":sentencepiece_model_cc_proto",
        "@protobuf//:protobuf_lite",
        "@zml//third_party/com_google_sentencepiece:absl",
    ],
)