# Copyright 2010-2025 Google LLC
# 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.

# Python wrapper for cp_model.

load("@pip_deps//:requirements.bzl", "requirement")
load("@pybind11_bazel//:build_defs.bzl", "pybind_extension")
load("@rules_python//python:py_library.bzl", "py_library")
load("@rules_python//python:py_test.bzl",  "py_test")

cc_library(
    name = "linear_expr_doc",
    hdrs = ["linear_expr_doc.h"],
)

cc_library(
    name = "linear_expr",
    srcs = ["linear_expr.cc"],
    hdrs = ["linear_expr.h"],
    deps = [
        "//ortools/sat:cp_model_cc_proto",
        "//ortools/sat:cp_model_utils",
        "//ortools/util:fp_roundtrip_conv",
        "//ortools/util:sorted_interval_list",
        "@abseil-cpp//absl/container:btree",
        "@abseil-cpp//absl/container:fixed_array",
        "@abseil-cpp//absl/container:flat_hash_map",
        "@abseil-cpp//absl/log:check",
        "@abseil-cpp//absl/strings",
    ],
)

cc_library(
    name = "wrappers",
    srcs = ["wrappers.cc"],
    hdrs = ["wrappers.h"],
    deps = [
        "@abseil-cpp//absl/base:nullability",
        "@abseil-cpp//absl/container:flat_hash_map",
        "@abseil-cpp//absl/container:flat_hash_set",
        "@abseil-cpp//absl/log",
        "@abseil-cpp//absl/log:check",
        "@abseil-cpp//absl/log:die_if_null",
        "@abseil-cpp//absl/strings",
        "@abseil-cpp//absl/types:span",
        "@protobuf",
    ],
)

cc_binary(
    name = "gen_proto_builder_pybind11",
    srcs = ["gen_proto_builder_pybind11.cc"],
    deps = [
        ":wrappers",
        "//ortools/base",
        "//ortools/sat:cp_model_cc_proto",
        "//ortools/sat:sat_parameters_cc_proto",
        "@abseil-cpp//absl/log:die_if_null",
        "@abseil-cpp//absl/strings:str_format",
    ],
)

genrule(
    name = "run_gen_proto_builder_pybind11",
    outs = ["proto_builder_pybind11.h"],
    cmd = "$(location :gen_proto_builder_pybind11) > $@",
    tools = [":gen_proto_builder_pybind11"],
)

cc_library(
    name = "proto_builder_pybind11",
    hdrs = ["proto_builder_pybind11.h"],
)

pybind_extension(
    name = "cp_model_helper",
    srcs = ["cp_model_helper.cc"],
    visibility = ["//visibility:public"],
    deps = [
        ":linear_expr",
        ":linear_expr_doc",
        ":proto_builder_pybind11",
        "//ortools/base:string_view_migration",
        "//ortools/sat:cp_model_cc_proto",
        "//ortools/sat:cp_model_utils",
        "//ortools/sat:sat_parameters_cc_proto",
        "//ortools/sat:swig_helper",
        "@abseil-cpp//absl/strings",
    ],
)

py_test(
    name = "cp_model_helper_test",
    srcs = ["cp_model_helper_test.py"],
    deps = [
        ":cp_model_helper",
        "//ortools/util/python:sorted_interval_list",
        requirement("absl-py"),
    ],
)

py_library(
    name = "cp_model",
    srcs = ["cp_model.py"],
    visibility = ["//visibility:public"],
    deps = [
        ":cp_model_helper",
        requirement("numpy"),
        requirement("pandas"),
        "//ortools/util/python:sorted_interval_list",
    ],
)

py_test(
    name = "cp_model_test",
    srcs = ["cp_model_test.py"],
    deps = [
        ":cp_model",
        ":cp_model_helper",
        requirement("absl-py"),
        requirement("numpy"),
    ],
)