# clawdforge — C SDK
#
# MIT License
#
# Copyright (c) 2026 clawdforge contributors
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

cmake_minimum_required(VERSION 3.16)
project(clawdforge
    VERSION 0.1.0
    DESCRIPTION "C SDK for the clawdforge HTTP service"
    LANGUAGES C)

option(CLAWDFORGE_BUILD_TESTS    "Build the test suite"       ON)
option(CLAWDFORGE_BUILD_EXAMPLES "Build example programs"     ON)
option(CLAWDFORGE_ASAN           "Build with AddressSanitizer" OFF)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS OFF)

include(GNUInstallDirs)

# ----------------------------------------------------------------------------
# Dependencies
# ----------------------------------------------------------------------------
find_package(CURL REQUIRED)

# Common warning flags. Tests bump to -Werror.
set(CF_WARN_FLAGS -Wall -Wextra -Wpedantic)

if(CLAWDFORGE_ASAN)
    list(APPEND CF_WARN_FLAGS -fsanitize=address -fno-omit-frame-pointer -g)
endif()

# ----------------------------------------------------------------------------
# Sources
# ----------------------------------------------------------------------------
set(CF_SOURCES
    src/client.c
    src/http.c
    src/json.c
    src/cjson/cJSON.c)

# ----------------------------------------------------------------------------
# Static library
# ----------------------------------------------------------------------------
add_library(clawdforge_static STATIC ${CF_SOURCES})
set_target_properties(clawdforge_static PROPERTIES
    OUTPUT_NAME clawdforge
    POSITION_INDEPENDENT_CODE ON)
target_include_directories(clawdforge_static
    PUBLIC
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
    PRIVATE
        ${CMAKE_CURRENT_SOURCE_DIR}/src
        ${CMAKE_CURRENT_SOURCE_DIR}/src/cjson)
target_link_libraries(clawdforge_static PUBLIC CURL::libcurl)
target_compile_options(clawdforge_static PRIVATE ${CF_WARN_FLAGS})
target_compile_definitions(clawdforge_static PRIVATE CLAWDFORGE_BUILDING_LIB)
if(CLAWDFORGE_ASAN)
    target_link_options(clawdforge_static PUBLIC -fsanitize=address)
endif()

# ----------------------------------------------------------------------------
# Shared library
# ----------------------------------------------------------------------------
add_library(clawdforge_shared SHARED ${CF_SOURCES})
set_target_properties(clawdforge_shared PROPERTIES
    OUTPUT_NAME clawdforge
    VERSION ${PROJECT_VERSION}
    SOVERSION ${PROJECT_VERSION_MAJOR}
    POSITION_INDEPENDENT_CODE ON
    C_VISIBILITY_PRESET hidden)
target_include_directories(clawdforge_shared
    PUBLIC
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
    PRIVATE
        ${CMAKE_CURRENT_SOURCE_DIR}/src
        ${CMAKE_CURRENT_SOURCE_DIR}/src/cjson)
target_link_libraries(clawdforge_shared PUBLIC CURL::libcurl)
target_compile_options(clawdforge_shared PRIVATE ${CF_WARN_FLAGS})
target_compile_definitions(clawdforge_shared PRIVATE CLAWDFORGE_BUILDING_LIB)
if(CLAWDFORGE_ASAN)
    target_link_options(clawdforge_shared PUBLIC -fsanitize=address)
endif()

# Convenience alias used by examples + tests.
add_library(clawdforge::clawdforge ALIAS clawdforge_static)

# ----------------------------------------------------------------------------
# Install + pkg-config
# ----------------------------------------------------------------------------
install(TARGETS clawdforge_static clawdforge_shared
    EXPORT clawdforgeTargets
    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})

install(FILES include/clawdforge.h
    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})

configure_file(pkgconfig/clawdforge.pc.in
    ${CMAKE_CURRENT_BINARY_DIR}/clawdforge.pc @ONLY)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/clawdforge.pc
    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)

# ----------------------------------------------------------------------------
# Examples
# ----------------------------------------------------------------------------
if(CLAWDFORGE_BUILD_EXAMPLES)
    add_executable(clawdforge_example_basic examples/basic.c)
    target_link_libraries(clawdforge_example_basic PRIVATE clawdforge_static)
    target_compile_options(clawdforge_example_basic PRIVATE ${CF_WARN_FLAGS})
endif()

# ----------------------------------------------------------------------------
# Tests
# ----------------------------------------------------------------------------
if(CLAWDFORGE_BUILD_TESTS)
    enable_testing()
    add_executable(clawdforge_tests tests/test_client.c)
    target_link_libraries(clawdforge_tests PRIVATE clawdforge_static)
    target_include_directories(clawdforge_tests PRIVATE
        ${CMAKE_CURRENT_SOURCE_DIR}/src/cjson)
    target_compile_options(clawdforge_tests PRIVATE
        ${CF_WARN_FLAGS} -Werror)
    add_test(NAME clawdforge_tests COMMAND clawdforge_tests)
    set_tests_properties(clawdforge_tests PROPERTIES TIMEOUT 60)
endif()