#
# Copyright (c) 2019 - 2021 Stefan Strobel <stefan.strobel@shimatta.net>
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
#

OBJ_DIR := output/
OBJ_DIR_EXAMPLE := $(OBJ_DIR)example_obj/
INTEGRATIONTEST_CPP_OBJ_DIR := $(OBJ_DIR)test/integrationtest/
INTEGRATIONTEST_AUTH_CPP_OBJ_DIR := $(OBJ_DIR)test/integrationtest_auth/
INTEGRATIONTEST_C_OBJ_DIR := $(INTEGRATIONTEST_CPP_OBJ_DIR)
INTEGRATIONTEST_AUTH_C_OBJ_DIR := $(INTEGRATIONTEST_AUTH_CPP_OBJ_DIR)
UNITTEST_OBJ_DIR := $(OBJ_DIR)test/unittest/

# helper define to run tests from a list
define \n


endef

CC  := gcc
CPP := g++
LN  := ln

SOURCES :=  src/shellmatta.c                \
            src/shellmatta_autocomplete.c   \
            src/shellmatta_history.c        \
            src/shellmatta_utils.c          \
            src/shellmatta_escape.c         \
            src/shellmatta_opt.c

AUTH_SOURCES     := $(SOURCES) src/shellmatta_auth.c
EXAMPLE_SOURCES  := $(AUTH_SOURCES) example/main.c
EXAMPLE_COBJ     := $(patsubst %.c,$(OBJ_DIR_EXAMPLE)%.o,$(EXAMPLE_SOURCES))

CPPCHECK_SOURCES := $(AUTH_SOURCES)
CPPCHECK_OPTIONS := --enable=all                                            \
                    --check-level=exhaustive                                \
                    --template=gcc                                          \
                    --cppcheck-build-dir=output/cppcheck                    \
                    --suppress-xml=cfg/cppcheck/cppcheck_suppressions.xml   \
                    -DSHELLMATTA_AUTHENTICATION                             \
                    -Iapi                                                   \
                    $(CPPCHECK_SOURCES)

INCLUDES    := api .

UNITTEST_SOURCES := test/unittest/test_main.cpp                                         \
                    test/unittest/shellmatta_opt/test_opt_findNextHunk.cpp              \
                    test/unittest/shellmatta_opt/test_opt_peekNextHunk.cpp              \
                    test/unittest/shellmatta_utils/test_utils_writeEcho.cpp             \
                    test/unittest/shellmatta_utils/test_utils_shellItoa.cpp             \
                    test/unittest/shellmatta_utils/test_utils_saveCursorPos.cpp         \
                    test/unittest/shellmatta_utils/test_utils_restoreCursorPos.cpp      \
                    test/unittest/shellmatta_utils/test_utils_eraseLine.cpp             \
                    test/unittest/shellmatta_utils/test_utils_rewindCursor.cpp          \
                    test/unittest/shellmatta_utils/test_utils_forwardCursor.cpp         \
                    test/unittest/shellmatta_utils/test_utils_clearInput.cpp            \
                    test/unittest/shellmatta_utils/test_utils_insertChars.cpp           \
                    test/unittest/shellmatta_utils/test_utils_terminateInput.cpp        \
                    test/unittest/shellmatta_utils/test_utils_removeChars.cpp           \
                    test/unittest/shellmatta_autocomplete/test_autocomplete_run.cpp     \
                    test/unittest/shellmatta_escape/test_escape_processArrowKeys.cpp    \
                    test/unittest/shellmatta_history/test_appendHistoryByte.cpp         \
                    test/unittest/shellmatta/test_shellmatta_doInit.cpp

INTEGRATIONTEST_SOURCES :=  test/integrationtest/test_main.cpp                  \
                            test/integrationtest/test_integration.cpp           \
                            test/integrationtest/test_integration_opt.cpp       \
                            test/integrationtest/test_integration_optLong.cpp   \
                            test/integrationtest/test_integration_continue.cpp  \
                            test/integrationtest/test_integration_busy.cpp      \
                            test/integrationtest/test_integration_history.cpp   \
                            test/integrationtest/test_integration_help.cpp

INTEGRATIONTEST_AUTH_SOURCES := test/integrationtest_auth/test_main.cpp                 \
                                test/integrationtest_auth/test_integration_auth.cpp

UNITTEST_CPPOBJ  := $(patsubst %.cpp,$(UNITTEST_OBJ_DIR)%.o,$(UNITTEST_SOURCES))

INTEGRATIONTEST_CPPOBJ  :=  $(patsubst %.cpp,$(INTEGRATIONTEST_CPP_OBJ_DIR)%.o,$(INTEGRATIONTEST_SOURCES))
INTEGRATIONTEST_COBJ    :=  $(patsubst %.c,$(INTEGRATIONTEST_CPP_OBJ_DIR)%.o,$(SOURCES))

INTEGRATIONTEST_AUTH_CPPOBJ :=  $(patsubst %.cpp,$(INTEGRATIONTEST_AUTH_CPP_OBJ_DIR)%.o,$(INTEGRATIONTEST_AUTH_SOURCES))
INTEGRATIONTEST_AUTH_COBJ   :=  $(patsubst %.c,$(INTEGRATIONTEST_AUTH_CPP_OBJ_DIR)%.o,$(AUTH_SOURCES))

CFLAGS      := $(INCLUDES:%=-I%) -g -Wall -Werror -Wextra -pedantic -DSHELLMATTA_HELP_ALIAS=\(char*\)\"?\"
CFLAGS_EXAMPLE = $(CFLAGS) -DSHELLMATTA_AUTHENTICATION
TESTFLAGS   := $(CFLAGS) -fprofile-arcs -ftest-coverage
TESTFLAGS_AUTH   := $(CFLAGS) -DSHELLMATTA_AUTHENTICATION -fprofile-arcs -ftest-coverage
TESTLFLAGS  := -fprofile-arcs -Wl,--allow-multiple-definition

DEPEND      = -MT $@ -MF "$(@:%.o=%.d)" -MG -MM

COBJ    := $(patsubst %.c,$(OBJ_DIR)%.o,$(SOURCES))

EXAMPLE_TARGET  := $(OBJ_DIR)example/example

UNITTEST_TARGET     := $(OBJ_DIR)test/unittest/unittest
INTEGRATIONTEST_TARGET     := $(OBJ_DIR)test/integrationtest/integrationtest
INTEGRATIONTEST_TARGET_AUTH     := $(OBJ_DIR)test/integrationtest_auth/integrationtest_auth

TEST_RUN_TARGETS := unittest integrationtest integrationtest_auth
# ensure the tests are running one after another when general test target is called
ifneq ($(filter test,$(MAKECMDGOALS)),)
TEST_RUN_TARGETS_HELPER := $(TEST_RUN_TARGETS)
endif
TEST_TARGETS := $(UNITTEST_TARGET) $(INTEGRATIONTEST_TARGET) $(INTEGRATIONTEST_TARGET_AUTH)

OBJ     := $(COBJ) $(EXAMPLE_COBJ) $(UNITTEST_CPPOBJ) $(INTEGRATIONTEST_CPPOBJ) $(INTEGRATIONTEST_COBJ) $(INTEGRATIONTEST_AUTH_CPPOBJ) $(INTEGRATIONTEST_AUTH_COBJ)
DEPS    := $(OBJ:%.o=%.d)

export

.PHONY: help cppcheck doc clean

help:
	@echo Shellmatta help
	@echo -----------------------------------------------
	@echo test      - run all tests
	@echo cppcheck  - run static code analysis \(cppcheck\)
	@echo example   - build example
	@echo -----------------------------------------------

test: $(TEST_RUN_TARGETS)
	- @mkdir -p output/test/report
# run the test alltogether to get coverage from all combined tests
#	remove coverage from former run
	@-find . -name "*.gcda" -type f -delete
	$(foreach TEST_RUN_TARGET,$(TEST_RUN_TARGETS),./$(OBJ_DIR)test/$(TEST_RUN_TARGET)/$(TEST_RUN_TARGET)${\n})

#	remove report from former run
	-rm -rf $(OBJ_DIR)test/report/*
	gcovr --html-details --output $(OBJ_DIR)test/report/report.html -f src -f api -d

cppcheck:
	- @mkdir -p output/cppcheck/html
	cppcheck $(CPPCHECK_OPTIONS)
	cppcheck $(CPPCHECK_OPTIONS) --xml 2>output/cppcheck/cppcheck.xml
	cppcheck-htmlreport --file=output/cppcheck/cppcheck.xml --title="Shellmatta" --report-dir=output/cppcheck/html


$(TEST_RUN_TARGETS): $(TEST_TARGETS) $(filter-out $@,$(TEST_RUN_TARGETS_HELPER))
	- @mkdir -p output/test/$@/report
	@echo running test $@:
#	remove coverage from former run
	@-find . -name "*.gcda" -type f -delete
	-$(OBJ_DIR)test/$@/$@

#	remove report from former run
	-rm -rf $(OBJ_DIR)test/$@/report/*
	gcovr --html-details --output $(OBJ_DIR)test/$@/report/report.html output/test/$@ -f src -f api -d

example: $(EXAMPLE_TARGET)
	@echo building example

doc:
	- @mkdir -p output/doc/html
	- @mkdir -p output/doc/latex
	doxygen cfg/doxygen/doxyfile

clean:
	- rm -rf $(OBJ_DIR)

$(EXAMPLE_TARGET): $(EXAMPLE_COBJ)
	- @mkdir -p $(@D)
	$(CC) $(LFLAGS) $(LIB_PATH) -o $@ $^ $(LIBS)

$(UNITTEST_TARGET): $(UNITTEST_CPPOBJ)
	- @mkdir -p $(@D)
	$(CPP) $(TESTLFLAGS) $(LIB_PATH) -o $@ $^ $(LIBS)

$(INTEGRATIONTEST_TARGET): $(INTEGRATIONTEST_CPPOBJ) $(INTEGRATIONTEST_COBJ)
	- @mkdir -p $(@D)
	$(CPP) $(TESTLFLAGS) $(LIB_PATH) -o $@ $^ $(LIBS)

$(INTEGRATIONTEST_TARGET_AUTH): $(INTEGRATIONTEST_AUTH_CPPOBJ) $(INTEGRATIONTEST_AUTH_COBJ)
	- @mkdir -p $(@D)
	echo askdjhaskjdhskj
	$(CPP) $(TESTLFLAGS) $(LIB_PATH) -o $@ $^ $(LIBS)

$(TARGET): $(OBJ)
	- @mkdir -p $(@D)
	$(CC) $(LFLAGS) $(LIB_PATH) -o $@ $^ $(LIBS)

$(COBJ):
	- @mkdir -p $(@D)
	@$(CC) -c $(CFLAGS) $(DEPEND) -o $(@:%.o=%.d) $(subst $(OBJ_DIR), ,$(@:%.o=%.c))
	$(CC) -c $(CFLAGS) -o $@  $(subst $(OBJ_DIR), ,$(@:%.o=%.c))

$(EXAMPLE_COBJ):
	- @mkdir -p $(@D)
	@$(CC) -c $(CFLAGS_EXAMPLE) $(DEPEND) -o $(@:%.o=%.d) $(subst $(OBJ_DIR_EXAMPLE), ,$(@:%.o=%.c))
	$(CC) -c $(CFLAGS_EXAMPLE) -o $@  $(subst $(OBJ_DIR_EXAMPLE), ,$(@:%.o=%.c))

$(UNITTEST_CPPOBJ):
	- @mkdir -p $(@D)
	@$(CPP) -c $(TESTFLAGS) $(DEPEND) -o $(@:%.o=%.d) $(subst $(UNITTEST_OBJ_DIR), ,$(@:%.o=%.cpp))
	$(CPP) -c $(TESTFLAGS) -o $@ $(subst $(UNITTEST_OBJ_DIR), ,$(@:%.o=%.cpp))

$(INTEGRATIONTEST_CPPOBJ):
	- @mkdir -p $(@D)
	@$(CPP) -c $(TESTFLAGS) $(DEPEND) -o $(@:%.o=%.d) $(subst $(INTEGRATIONTEST_CPP_OBJ_DIR), ,$(@:%.o=%.cpp))
	$(CPP) -c $(TESTFLAGS) -o $@  $(subst $(INTEGRATIONTEST_CPP_OBJ_DIR), ,$(@:%.o=%.cpp))

$(INTEGRATIONTEST_COBJ):
	- @mkdir -p $(@D)
	@$(CC) -c $(TESTFLAGS) $(DEPEND) -o $(@:%.o=%.d) $(subst $(INTEGRATIONTEST_C_OBJ_DIR), ,$(@:%.o=%.c))
	$(CC) -c $(TESTFLAGS) -o $@  $(subst $(INTEGRATIONTEST_C_OBJ_DIR), ,$(@:%.o=%.c))

$(INTEGRATIONTEST_AUTH_CPPOBJ):
	- @mkdir -p $(@D)
	@$(CPP) -c $(TESTFLAGS_AUTH) $(DEPEND) -o $(@:%.o=%.d) $(subst $(INTEGRATIONTEST_AUTH_CPP_OBJ_DIR), ,$(@:%.o=%.cpp))
	$(CPP) -c $(TESTFLAGS_AUTH) -o $@  $(subst $(INTEGRATIONTEST_AUTH_CPP_OBJ_DIR), ,$(@:%.o=%.cpp))

$(INTEGRATIONTEST_AUTH_COBJ):
	- @mkdir -p $(@D)
	$(CC) -c $(TESTFLAGS_AUTH) $(DEPEND) -o $(@:%.o=%.d) $(subst $(INTEGRATIONTEST_AUTH_C_OBJ_DIR), ,$(@:%.o=%.c))
	$(CC) -c $(TESTFLAGS_AUTH) -o $@  $(subst $(INTEGRATIONTEST_AUTH_C_OBJ_DIR), ,$(@:%.o=%.c))

%.o: %.cpp
	- @mkdir -p $(@D)
	@$(CPP) -c $(CFLAGS) $(DEPEND) -o $(@:%.o=%.d) $(subst $(OBJ_DIR), ,$(@:%.o=%.c))
	$(CPP) -c $(CFLAGS) -o $@  $<

-include $(DEPS)