,compile

#!/usr/bin/env python3

"""Compiles and runs a c file, along with additional features"""

import argparse
import subprocess
import sys
from pathlib import Path
from textwrap import dedent

parser = argparse.ArgumentParser()
parser.add_argument('files', nargs='+', help='The C file/files to compile')
parser.add_argument('-s', '--strict', action='store_true', help='Compiles with strict compiler\
                    flags')
parser.add_argument('-r', '--run', action='store_true', help='Runs the program')
parser.add_argument('-v', '--val', action='store_true', help='Runs the program inside a valgrind\
                    environment')
parser.add_argument('--opts', nargs='+', type=str, help='Commandline options to add to\
                    the running program')
parser.add_argument('--dir', help='Runs the program on each file in\
                     the provided directory')
parser.add_argument('--out', type=str, help='The name of the output file after compilation')
parser.add_argument('-l', '--libs', nargs=1, help='C libraries to link in while compiling')

args = parser.parse_args()

valgrind_flags = 'valgrind --leak-check=full --track-origins=yes --show-leak-kinds=all'
gcc_strict_flags = '-Wall -pedantic -Werror -Wextra -std=gnu89'

# store args
files = ' '.join(args.files)
run = args.run if args.run else None
strict = gcc_strict_flags if args.strict else ''
val =  valgrind_flags if args.val else ''
outfile = f'{args.out}' if args.out else "a.out"
cmd_args = ' '.join(args.opts) if args.opts else ''
dir_given = args.dir if args.dir else None
libs = [
    f'-l{lib}'
    for lib in [
        letters for letters in args.libs[0]
        ]
    ]

links = ' '.join(libs) if args.libs else ''

def main():
    compilation = f"""gcc {strict} {files} {links} -o {outfile}"""
    running = f"""{val} ./{outfile} {cmd_args}"""

    subprocess.run(compilation, shell=True)
    if run or val:
        if dir_given:
            run_with_files(dir_given)
        subprocess.run(running, shell=True)

def run_with_files(dir):
    dir = Path(dir)
    if ((not Path.exists(dir)) or (not Path.is_dir(dir))):
         sys.exit(f"`{dir}` is not a directory, or does not exist")
    files = [x for x in Path.iterdir(dir) if x.is_file()]
    for file in files:
        message = f"Running `{outfile}` on `{file}`"
        bordered_message = draw_message_border(message)
        print(bordered_message)
        subprocess.run(f"""{val} ./{outfile} {file}""", shell=True)
    sys.exit()

def draw_message_border(message):
    h_pad = 2 # total horizontal padding
    message_len = len(message)
    h_len = message_len + h_pad
    bordered_message = dedent(f"""   
    ╭{'─' * (h_len)}╮
    │{' ' * (h_pad // 2)}{message}{' ' * (h_pad // 2)}│
    ╰{'─' * (h_len)}╯
    """).strip()
    return bordered_message
     
if __name__ == '__main__':
	main()