cmake_minimum_required(VERSION 3.5)

project(horrible-harry
  VERSION 0.1
  LANGUAGES CXX C)


###########
# Debug or Release
###########
if (NOT CMAKE_BUILD_TYPE)
  ## set default to Debug
  set(CMAKE_BUILD_TYPE Debug)  # override with -DCMAKE_BUILD_TYPE=Release
  message("==> CMAKE_BUILD_TYPE empty. Changing it to Debug.")
else()
  message("==> CMAKE_BUILD_TYPE == ${CMAKE_BUILD_TYPE}.")
endif()

FIND_PACKAGE(Git)
IF(GIT_FOUND)
  message("Ask git for version information")
  EXECUTE_PROCESS(
       COMMAND ${GIT_EXECUTABLE} describe --abbrev=12 --long --tags --dirty --always --match v[0-9]*
       WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
       OUTPUT_VARIABLE GIT_DESCRIBE_VERSION
       RESULT_VARIABLE GIT_DESCRIBE_RESULT
       ERROR_VARIABLE GIT_DESCRIBE_ERROR
       OUTPUT_STRIP_TRAILING_WHITESPACE
   )
   message("Version: " ${GIT_DESCRIBE_VERSION})
   # message("Result: " ${GIT_DESCRIBE_RESULT})
ENDIF(GIT_FOUND)

## https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_macros.html
## During Debug, use debug version of libstdc++ (asserts on access to invalid iterators, etc!)
## set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_GLIBCXX_DEBUG")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_GLIBCXX_DEBUG -fsanitize=address -fsanitize=leak -fsanitize=undefined -fsanitize=shift-base -fsanitize=unreachable -fsanitize=null -fsanitize=return -fsanitize=bounds-strict -fsanitize=object-size")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")


###########
# Suppress certain warnings
###########
# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations")

# rm CMakeCache.txt and cmake .   if you change any of the C++ Standards.

##############
# C++ Standard
##############
set(CMAKE_CXX_STANDARD   14)
## set(CMAKE_CXX_STANDARD   17)
set(CMAKE_CXX_EXTENSIONS ON)

# Are you debugging a buffer issue?  If so, turn this to OFF.
# This creates HUGE log files.   Not for production!

set(DISABLE_BUFFER_DEBUG ON CACHE BOOL "Turn off buffer debugging" FORCE)
# set(DISABLE_BUFFER_DEBUG OFF CACHE BOOL "Turn off buffer debugging" FORCE)

# Always disable in Release build.
if((CMAKE_BUILD_TYPE STREQUAL Release) OR (CMAKE_BUILD_TYPE STREQUAL RelWithDebInfo))
message("Release build -- disable BUFFER DEBUG.")
set(DISABLE_BUFFER_DEBUG ON CACHE BOOL "Turn off buffer debugging" FORCE)
endif()

# Display at configuration time what settings we're using.
if(DISABLE_BUFFER_DEBUG)
message("BUFFER DEBUG DISABLED (Good!)")
else()
message("WARNING: Big logs ahead! BUFFER DEBUG is ENABLED")
endif()

# Enable testing
# set(BUILD_TESTING ON)
# include(CTest)

### ADD gtest

add_subdirectory(googletest)

### TESTS
add_executable(test-lastseen test-lastseen.cpp lastseen.cpp)
add_dependencies(test-lastseen gtest)
target_link_libraries(test-lastseen gtest_main)

enable_testing()
add_test(NAME test-lastseen
  COMMAND test-lastseen)

add_executable(test-utils test-utils.cpp utils.cpp)
add_dependencies(test-utils gtest)
target_link_libraries(test-utils gtest_main)
if(DISABLE_BUFFER_DEBUG)
target_compile_definitions(test-utils PUBLIC NO_BUFFER_DEBUG=1)
endif()

add_test(NAME test-utils
  COMMAND test-utils)

add_executable(test-render test-render.cpp render.cpp terminal.cpp utils.cpp)
add_dependencies(test-render gtest)
target_link_libraries(test-render gtest_main)
target_link_libraries(test-render zf_log)
if(DISABLE_BUFFER_DEBUG)
target_compile_definitions(test-render PUBLIC NO_BUFFER_DEBUG=1)
endif()
add_test(NAME test-render
  COMMAND test-render)

add_executable(test-mangle test-mangle.cpp wordplay.cpp render.cpp terminal.cpp charman.cpp lastseen.cpp logs_utils.cpp images.h)
add_dependencies(test-mangle gtest)
target_link_libraries(test-mangle gtest_main)
target_link_libraries(test-mangle zf_log)
if(DISABLE_BUFFER_DEBUG)
target_compile_definitions(test-mangle PUBLIC NO_BUFFER_DEBUG=1)
endif()

add_test(NAME test-mangle COMMAND test-mangle)

add_executable(test-terminal test-terminal.cpp terminal.cpp utils.cpp)
add_dependencies(test-terminal gtest)
target_link_libraries(test-terminal gtest_main)
target_link_libraries(test-terminal zf_log)
if(DISABLE_BUFFER_DEBUG)
target_compile_definitions(test-terminal PUBLIC NO_BUFFER_DEBUG=1)
endif()

add_test(NAME test-terminal COMMAND test-terminal)


# include(FetchContent)
# 
# FetchContent_Populate(
#   zf_log
#   GIT_REPOSITORY https://github.com/wonder-mice/zf_log.git
#   SOURCE_DIR zf_log
# )

# add_subdirectory(${zf_log_SOURCE_DIR}/src zf_log)

# This works, if zf_log is pulled in.  
add_subdirectory(zf_log)


# Example for how to define a test which uses gtest_gmock
# add_executable(mytest tester.cpp)
# target_link_libraries(mytest gmock_main)

# Here's how to add all *.h and *.cpp files
# to a project:
#
# file(GLOB SOURCES
#     header-folder/*.h
#     source-folder/*.cpp
# )
# add_executable(yourProj ${SOURCES})

add_executable(ansi-to-src ansi-to-src.cpp utils.cpp)
if(DISABLE_BUFFER_DEBUG)
target_compile_definitions(ansi-to-src PUBLIC NO_BUFFER_DEBUG=1)
endif()

# Everything in the ansi directory is a dependency for images.h
file(GLOB IMAGES
    ansi/*.ans
)

add_custom_command(
    OUTPUT images.h
    COMMAND ./build_images.sh ${CMAKE_CURRENT_BINARY_DIR} ${PROJECT_SOURCE_DIR} 
    DEPENDS ansi-to-src ${IMAGES}
    COMMENT "Generating images.h"
    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
)

add_executable(hharry hharry.cpp lastseen.cpp terminal.cpp render.cpp utils.cpp images.h wordplay.cpp charman.cpp logs_utils.cpp)
target_link_libraries(hharry util)
target_link_libraries(hharry zf_log)
target_compile_definitions(hharry PUBLIC HHVERSION="${GIT_DESCRIBE_VERSION}")

if((CMAKE_BUILD_TYPE STREQUAL Release) OR (CMAKE_BUILD_TYPE STREQUAL RelWithDebInfo))
target_compile_definitions(hharry PUBLIC ZF_LOG_DEF_LEVEL=ZF_LOG_WARN)
else()
target_compile_definitions(hharry PUBLIC ZF_LOG_DEF_LEVEL=ZF_LOG_VERBOSE)
endif()

if(DISABLE_BUFFER_DEBUG)
target_compile_definitions(hharry PUBLIC NO_BUFFER_DEBUG=1)
endif()

# If you want this: ninja try-re or make try-re
add_executable(try-re EXCLUDE_FROM_ALL try-re.c)

add_executable(ansi-color EXCLUDE_FROM_ALL ansi-color.c)

add_executable(images images.cpp utils.cpp images.h)
target_link_libraries(images zf_log)
if(DISABLE_BUFFER_DEBUG)
target_compile_definitions(images PUBLIC NO_BUFFER_DEBUG=1)
endif()