'''
KED Main Script
'''
import sys
import os
import shutil
import subprocess
import flasher

####################################################################################################
# FUTURE ACTIONS
####################################################################################################
# TODO: KeY 14_02_2023 -> Automatically generate project, if empty. 
# TODO: KeY 14_02_2023 -> Give the possibility to generate different example projects. 
####################################################################################################

####################################################################################################
# MODIFICATIONS
####################################################################################################
# KeY 14_02_2023 :  Some comments for code separation added : 
#                   FUTURE ACTIONS, MODIFICATIONS, FUNCTIONS and MAIN EXECUTION Delimiters
#                   
# KeY 14_02_2023 :  Modified some Print's for user guidance and apearance changes                    
# KeY 14_02_2023 :  Gave a response to CSL_TO_USE question from Edwin                   
####################################################################################################

####################################################################################################
# FUNCTIONS 
####################################################################################################
class bcolors:
    HEADER = '\033[95m'
    OKBLUE = '\033[94m'
    OKCYAN = '\033[96m'
    OKGREEN = '\033[92m'
    WARNING = '\033[93m'
    FAIL = '\033[91m'
    ENDC = '\033[0m'
    BOLD = '\033[1m'
    UNDERLINE = '\033[4m'

def getTargetDeviceList():
    os.chdir(os.path.join(os.getcwd(), 'csl'))
        # get top level folder names in csl which represent all available target devices
    return next(os.walk('.'))[1]

def build(TARGET_DEVICE):
    # TODO: ask Kerem what he wanted to to with "CSL_TO_USE"
        # KeY 14_02_2023 RESPONSE:
        # CSL_TO_USE is the "folder name" given to CMAKE 
        # so that CMAKE gets the correct "file path" under the csl directory. 
        # Like so: csl/<CSL_TO_USE> | Real example: csl/stm32f042 

    print('building project with cmake...')
    print(bcolors.OKGREEN)
    os.system('cmake -S . -B '+ buildDirectory + ' -DCSL_USED=' + TARGET_DEVICE)
    print(bcolors.ENDC)
    print('...done!')

    print('Compiling Project with Make...')
    os.chdir(buildDirectory)
    print(bcolors.OKGREEN)
    os.system('make -j4')
    print(bcolors.ENDC)
    print('...done!')

'''
def flash(TARGET_DEVICE):
    # find out what platform the build is done (e.g. linux, win32, etc.)

    if sys.platform == 'linux':
        os.system('st-flash write' +  TARGET_DEVICE + '.bin 0x08000000')
    if sys.platform == 'win32':
        # https://www.youtube.com/watch?v=AcrbUOhApd0
        os.chdir('C:\\Program Files\\STMicroelectronics\\STM32Cube\\STM32CubeProgrammer\\bin')
        subprocess.Popen("STM32_Programmer_CLI.exe")
        os.chdir(buildDirectory)

    print('this platform is not supported by KED!')
'''
####################################################################################################

####################################################################################################
# MAIN EXECUTION
####################################################################################################
scriptDirectory = os.getcwd()
projectDirectory = os.path.join(scriptDirectory, '..')
buildDirectory = os.path.join(projectDirectory, 'ked_build')
#projectDirectory = scriptDirectory + '\\..'
#buildDirectory = projectDirectory + '\\ked_build'

os.chdir(scriptDirectory)

# exit if no argument was passed
argvLen = len(sys.argv)
if  argvLen < 2:
    print('Target Device missing as argument!')
    sys.exit()

# obtain list of all available targets in KED
targetDevList = getTargetDeviceList()

# user requests help
if sys.argv[1] in ('-h', '-help'):
    print('HELP -> TODO!')
    sys.exit()

# user request to remove build folder
if sys.argv[1] in ('-rm', '-rmb'):
    if os.path.exists(buildDirectory):
        shutil.rmtree(buildDirectory)
    sys.exit()

# user requests listing of all available target devices
# KeY 14_02_2023 : Could not help my self wiht some pimping
if sys.argv[1] in ('-ls', '-lt', '-lst', '-lsd'):
    print('----------------------------')
    print('| Available Traget Devices |')
    print('----------------------------')

    for targetDev in targetDevList:
        print(" - " + targetDev)
    sys.exit()

# user requests to clean project by erasing build
if sys.argv[1] in ('-clean', '-c', '-db'):
    if os.path.exists(buildDirectory):
        shutil.rmtree(buildDirectory)
    os.mkdir(buildDirectory)
    print('build cleaned!')
    sys.exit()

if sys.argv[1] in ('-dox', '-doxygen', '-gd'):
    print('TODO: Implement doxygen generation')
    sys.exit()

if sys.argv[1] in ('-opendox', '-od'):
    print('TODO: Implement open doxygen in browser')
    sys.exit()

# check if requested target device is supported by KED
# KeY : 14_02_2023 : Jsut changed the text a little bit and gave some guidance to the user. 
if sys.argv[1] not in targetDevList:
    print('debug: Invalid Target Device')
    print(' |-> To list the availabe target devices pass -ls as argument')
    print('   |-> python ked.py -ls')
    sys.exit()

print('building for target device ['+ bcolors.OKGREEN + sys.argv[1] + bcolors.ENDC + ']...')

#create build directory if missing
if not os.path.exists(buildDirectory):
    os.mkdir(buildDirectory)

CSL_TO_USE = sys.argv[1]

build(CSL_TO_USE)
#flasher.flash(CSL_TO_USE,buildDirectory)