#
# This file is part of AtomVM.
#
# Copyright 2022 Davide Bettio <davide@uninstall.it>
#
# 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.
#
# SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
#

cmake_minimum_required(VERSION 3.16)

set(EXTRA_COMPONENT_DIRS "../components")

# Set the components to include the tests for.
# This can be overriden from CMake cache:
# - when invoking CMake directly: cmake -D TEST_COMPONENTS="xxxxx" ..
# - when using idf.py: idf.py -T xxxxx build
#
set(TEST_COMPONENTS "testable" CACHE STRING "List of components to test")

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../../../CMakeModules")

include($ENV{IDF_PATH}/tools/cmake/project.cmake)

# Don't try to link when testing availability of functions
set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")

# mkfifo is defined in newlib header but not implemented
set(HAVE_MKFIFO NO)
set(HAVE_MKFIFO "" CACHE INTERNAL "Have symbol mkfifo" FORCE)
set(HAVE_EXECVE NO)
set(HAVE_EXECVE "" CACHE INTERNAL "Have symbol execve" FORCE)
set(HAVE_KILL NO)
set(HAVE_KILL "" CACHE INTERNAL "Have symbol kill" FORCE)
# Force HAVE_SOCKET
# Automatically detecting it requires to put too many components include dirs
# in CMAKE_REQUIRED_INCLUDES as lwip includes freetos and many esp system components
set(HAVE_SOCKET ON)
set(HAVE_SOCKET 1 CACHE INTERNAL "Have symbol socket" FORCE)

# Disable SMP with esp32 socs that have only one core
if (${IDF_TARGET} MATCHES "esp32s2|esp32c2|esp32c3|esp32c5|esp32c6|esp32c61|esp32h2")
    message("Disabling SMP as selected target only has one core")
    set(AVM_DISABLE_SMP YES FORCE)
    set(HAVE_PLATFORM_ATOMIC_H ON)
endif()

# On Esp32, select is run in a loop in a dedicated task
set(AVM_SELECT_IN_TASK ON)

# The test uses partitions-test.csv which provides a large factory partition
# (2.8MB) for the test binary that embeds all Erlang test modules, plus a
# main.avm partition used as JIT flash cache when JIT is enabled.
set(AVM_PARTITION_TABLE_FILENAME "../partitions-test.csv")

# Sync partition table in sdkconfig so that IDF uses the correct partition layout.
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/sdkconfig")
    file(READ "${CMAKE_CURRENT_SOURCE_DIR}/sdkconfig" _sdkconfig_content)
    if(NOT _sdkconfig_content MATCHES "CONFIG_PARTITION_TABLE_CUSTOM_FILENAME=\"${AVM_PARTITION_TABLE_FILENAME}\"")
        string(REGEX REPLACE
            "(CONFIG_PARTITION_TABLE_CUSTOM_FILENAME=)[^\n]*"
            "\\1\"${AVM_PARTITION_TABLE_FILENAME}\""
            _sdkconfig_content "${_sdkconfig_content}")
        string(REGEX REPLACE
            "(CONFIG_PARTITION_TABLE_FILENAME=)[^\n]*"
            "\\1\"${AVM_PARTITION_TABLE_FILENAME}\""
            _sdkconfig_content "${_sdkconfig_content}")
        file(WRITE "${CMAKE_CURRENT_SOURCE_DIR}/sdkconfig" "${_sdkconfig_content}")
        message(STATUS "Updated sdkconfig partition table to ${AVM_PARTITION_TABLE_FILENAME}")
    endif()
endif()

# JIT configuration is handled in components/libatomvm/CMakeLists.txt after
# idf_component_register, where CONFIG_* variables are available.

project(atomvm-esp32-test)

# esp-idf does not use compile_feature but instead sets version in
# c_compile_options
# Ensure project is compiled with at least C11
idf_build_get_property(c_compile_options C_COMPILE_OPTIONS)
if (-std=gnu99 IN_LIST c_compile_options )
    list(REMOVE_ITEM c_compile_options -std=gnu99)
    list(APPEND c_compile_options -std=gnu11)
    idf_build_set_property(C_COMPILE_OPTIONS ${c_compile_options})
endif()

include(${CMAKE_CURRENT_SOURCE_DIR}/../GetBootAVM.cmake)
message(STATUS "-- Configuring atomvmlib esp32boot flavor: ${BOOT_LIBS}")
if (NOT ("${BOOT_LIBS}" STREQUAL "NONE"))
    set(BOOT_LIB_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../../../build/libs/esp32boot/${BOOT_LIBS}")
    if (NOT EXISTS "${BOOT_LIB_PATH}")
        message(WARNING "A generic_unix build must be done first in the top level AtomVM/build directory!")
    else()
        partition_table_get_partition_info(lib_offset "--partition-name boot.avm" "offset")
        esptool_py_flash_target_image(flash boot.avm "${lib_offset}" "${BOOT_LIB_PATH}")
    endif()
endif()
