import os
import platform
import shutil
# toolchains options
ARCH='arm'
CPU='cortex-m4'
CROSS_TOOL='gcc'
MODULE = 'QS-200'
# bsp lib config
BSP_LIBRARY_TYPE = None

project_directory = os.getcwd()

if os.getenv('OS_CC'):
    CROSS_TOOL = os.getenv('OS_CC')
if os.getenv('OS_ROOT'):
    OS_ROOT = os.getenv('OS_ROOT')

os_ver = platform.system()
# cross_tool provides the cross compiler
# COMPILER_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
if  CROSS_TOOL == 'gcc':
    COMPILER    = 'gcc'
    os_ver = platform.system()
    if  os_ver == "Windows":
        COMPILER_PATH   = './../../tools/gcc/bin'
    else :
        COMPILER_PATH   = '/usr/bin'


if CROSS_TOOL == 'gcc' and os.getenv('OS_EXEC_PATH'):
    COMPILER_PATH = os.getenv('OS_EXEC_PATH')

BUILD = 'release'
# BUILD = 'debug'

if COMPILER == 'gcc':
    # toolchains
    PREFIX = 'arm-none-eabi-'
    CC = PREFIX + 'gcc'
    AS = PREFIX + 'gcc'
    AR = PREFIX + 'ar'
    CXX = PREFIX + 'gcc'
    LINK = PREFIX + 'gcc'
    RESULT_SUFFIX = 'elf'
    SIZE = PREFIX + 'size'
    OBJDUMP = PREFIX + 'objdump'
    OBJCPY = PREFIX + 'objcopy'

    DEVICE = ' -mcpu=cortex-m4 -std=gnu11 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -mabi=aapcs -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -ffreestanding -fno-strict-aliasing -mabi=aapcs --specs=nano.specs --specs=nosys.specs -Xlinker -zmuldefs -u _printf_float ' 
   
    
    CFLAGS = DEVICE + ' -Wall -Wextra -g -Wundef -Wshadow -Wredundant-decls -Wstrict-prototypes -Wimplicit-function-declaration -Wmissing-prototypes -Wdouble-promotion -Wfloat-conversion -MD -MP -DLN882H -DARM_MATH_CM4 '
    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
    LFLAGS = DEVICE + ' -Wall -Wextra -Wl,--gc-sections,-Map=zos.map,-cref,-u,Reset_Handler -T ./libraries/link/ln882h.ld '
    # LFLAGS = DEVICE + ' -Wall -Wextra -Wl,-Map=zos.map,-cref,-u,Reset_Handler -T ./libraries/link/ln882h.ld '

    CPATH = ''
    LPATH = ''

    if BUILD == 'debug':
        CFLAGS += ' -O2 -Os'
        AFLAGS += ' -O2 -Os'
    else:
        CFLAGS += ' -O2 -Os'
        AFLAGS += ' -O2 -Os'

    CXXFLAGS = CFLAGS 
    POST_ACTION = OBJCPY + ' -O binary $TARGET zos.bin\n' + SIZE + ' $TARGET \n'
    POST_ACTION += 'python ./tools/python_scripts/after_build_gcc.py --sdkroot_dir ./libraries --userproj_dir ./ --buildout_dir ./ --buildout_name zos -o ./../../out/QS-200/zos.bin\n'
    if  os_ver == "Windows":
        if os.path.exists("." + '/zos.bin ') == True :
            os.remove("." + '/zos.bin ')

        if os.path.exists("." + '/zos.map ') == True :
            os.remove("." + '/zos.map ')

        if os.path.exists("." + '/zos.elf ') == True :
            os.remove("." + '/zos.elf ')
        
    else :
        POST_ACTION += 'rm -rf *.bin *.map *.' + RESULT_SUFFIX + ' \n' 
    os.system('python ./tools/python_scripts/before_build_gcc.py  -p ./cfg/flash_partition_cfg.json -o  ./cfg/flash_partition_table.h')
    os.system('python ./tools/python_scripts/rewrite_ln882x_linker_script.py ./cfg/flash_partition_cfg.json ./libraries/link/ln882h.ld')
    # POST_ACTION += 'python QS200_mv.py\n'