# Copyright 2024 The Pigweed Authors
#
# 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
#
#     https://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.

load("@rules_cc//cc:cc_library.bzl", "cc_library")
load("@rules_python//sphinxdocs:sphinx_docs_library.bzl", "sphinx_docs_library")
load("//pw_build:compatibility.bzl", "incompatible_with_mcu")
load("//pw_unit_test:pw_cc_test.bzl", "pw_cc_test")

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

licenses(["notice"])

cc_library(
    name = "pw_channel",
    hdrs = [
        "public/pw_channel/channel.h",
        "public/pw_channel/internal/channel_specializations.h",
        "public/pw_channel/properties.h",
    ],
    strip_include_prefix = "public",
    tags = ["noclangtidy"],
    deps = [
        "//pw_assert:assert",
        "//pw_async2:dispatcher",
        "//pw_async2:poll",
        "//pw_bytes",
        "//pw_multibuf",
        "//pw_result",
        "//pw_span",
        "//pw_status",
        "//pw_toolchain:sibling_cast",
    ],
)

pw_cc_test(
    name = "channel_test",
    srcs = ["channel_test.cc"],
    deps = [
        ":pw_channel",
        "//pw_allocator:testing",
        "//pw_assert:check",
        "//pw_compilation_testing:negative_compilation_testing",
        "//pw_multibuf:allocator",
        "//pw_multibuf:allocator_async",
        "//pw_multibuf:simple_allocator",
        "//pw_preprocessor",
    ],
)

cc_library(
    name = "forwarding_channel",
    srcs = ["forwarding_channel.cc"],
    hdrs = ["public/pw_channel/forwarding_channel.h"],
    strip_include_prefix = "public",
    deps = [
        ":pw_channel",
        "//pw_async2:dispatcher",
        "//pw_async2:poll",
        "//pw_multibuf:allocator",
        "//pw_multibuf:allocator_async",
        "//pw_sync:lock_annotations",
        "//pw_sync:mutex",
    ],
)

pw_cc_test(
    name = "forwarding_channel_test",
    srcs = ["forwarding_channel_test.cc"],
    deps = [
        ":forwarding_channel",
        "//pw_allocator:testing",
        "//pw_multibuf:header_chunk_region_tracker",
        "//pw_multibuf:simple_allocator",
        "//pw_string:string",
    ],
)

cc_library(
    name = "loopback_channel",
    srcs = ["loopback_channel.cc"],
    hdrs = ["public/pw_channel/loopback_channel.h"],
    strip_include_prefix = "public",
    deps = [
        ":pw_channel",
        "//pw_async2:dispatcher",
        "//pw_async2:poll",
        "//pw_multibuf",
        "//pw_multibuf:allocator",
        "//pw_multibuf:allocator_async",
    ],
)

pw_cc_test(
    name = "loopback_channel_test",
    srcs = ["loopback_channel_test.cc"],
    deps = [
        ":loopback_channel",
        ":pw_channel",
        "//pw_allocator:testing",
        "//pw_assert:check",
        "//pw_async2:dispatcher",
        "//pw_bytes",
        "//pw_multibuf:allocator_async",
        "//pw_multibuf:testing",
        "//pw_status",
    ],
)

cc_library(
    name = "epoll_channel",
    srcs = ["epoll_channel.cc"],
    hdrs = ["public/pw_channel/epoll_channel.h"],
    strip_include_prefix = "public",
    target_compatible_with = ["@platforms//os:linux"],
    deps = [
        ":pw_channel",
        "//pw_async2:dispatcher",
        "//pw_async2:poll",
        "//pw_log",
        "//pw_multibuf",
        "//pw_multibuf:allocator",
        "//pw_multibuf:allocator_async",
        "//pw_status",
    ],
)

pw_cc_test(
    name = "epoll_channel_test",
    srcs = ["epoll_channel_test.cc"],
    target_compatible_with = ["@platforms//os:linux"],
    deps = [
        ":epoll_channel",
        ":pw_channel",
        "//pw_assert:check",
        "//pw_async2:dispatcher",
        "//pw_bytes",
        "//pw_multibuf:allocator_async",
        "//pw_multibuf:testing",
        "//pw_status",
        "//pw_thread:sleep",
        "//pw_thread:thread",
        "//pw_thread_stl:options",
    ],
)

cc_library(
    name = "rp2_stdio_channel",
    srcs = ["rp2_stdio_channel.cc"],
    hdrs = ["public/pw_channel/rp2_stdio_channel.h"],
    implementation_deps = ["//pw_assert:check"],
    strip_include_prefix = "public",
    target_compatible_with = [
        "//pw_build/constraints/chipset:rp2040",
    ],
    deps = [
        ":pw_channel",
        "//pw_log",
        "//pw_multibuf:allocator",
        "//pw_multibuf:allocator_async",
        "@pico-sdk//src/rp2_common/pico_stdlib",
    ],
)

cc_library(
    name = "stream_channel",
    srcs = ["stream_channel.cc"],
    hdrs = ["public/pw_channel/stream_channel.h"],
    strip_include_prefix = "public",
    deps = [
        ":pw_channel",
        "//pw_async2:dispatcher_base",
        "//pw_log",
        "//pw_multibuf",
        "//pw_multibuf:allocator",
        "//pw_multibuf:allocator_async",
        "//pw_status",
        "//pw_stream",
        "//pw_sync:interrupt_spin_lock",
        "//pw_sync:thread_notification",
        "//pw_thread:thread",
    ],
)

pw_cc_test(
    name = "stream_channel_test",
    srcs = ["stream_channel_test.cc"],
    deps = [
        ":stream_channel",
        "//pw_async2:pend_func_task",
        "//pw_bytes",
        "//pw_multibuf:allocator_async",
        "//pw_multibuf:testing",
        "//pw_status",
        "//pw_stream",
        "//pw_stream:mpsc_stream",
        "//pw_thread:test_thread_context",
        "//pw_thread:thread",
        "//pw_toolchain:globals",
        "//pw_toolchain:no_destructor",
    ],
)

filegroup(
    name = "doxygen",
    srcs = [
        "public/pw_channel/channel.h",
        "public/pw_channel/epoll_channel.h",
        "public/pw_channel/forwarding_channel.h",
        "public/pw_channel/loopback_channel.h",
        "public/pw_channel/rp2_stdio_channel.h",
        "public/pw_channel/stream_channel.h",
    ],
)

sphinx_docs_library(
    name = "docs",
    srcs = [
        "design.rst",
        "docs.rst",
        "guides.rst",
        "reference.rst",
    ],
    prefix = "pw_channel/",
    target_compatible_with = incompatible_with_mcu(),
)