import argparse
import json
import sys
import subprocess
import os
from datetime import datetime

DEFAULT_CONFIG = {
    "user": "borysr",
    "email": "borysr@mpabi.pl",
    "remotes": [{
        "name": "r",  # Zaktualizowano z "default" na "mpabi"
        "protocol": "http",
        "domain": "qstack.pl",
        "port": "3000",
        "token_name": "t",
        "token": "d61f1823f13e091e62d5193cb9887438742b9f52",
        "group": "1i-2023",
        "project": "struct"
    }]
}

def load_or_create_config(config_file, args):
    config_exists = os.path.exists(config_file) and os.stat(config_file).st_size != 0
    if config_exists:
        with open(config_file, 'r') as file:
            config = json.load(file)
    else:
        config = DEFAULT_CONFIG.copy()

    # Znajdź istniejące zdalne repozytorium o podanej nazwie
    remote = next((remote for remote in config['remotes'] if remote['name'] == args.remote), None)

    # Jeśli istnieje zdalne repozytorium i podano argumenty związane z konfiguracją zdalnego repozytorium
    if remote:
        for field in ['protocol', 'domain', 'port', 'token_name', 'token', 'group', 'project']:
            # Aktualizuj tylko, jeśli argument został jawnie podany
            if getattr(args, field, None) is not None:
                remote[field] = getattr(args, field)

    # Jeśli zdalne repozytorium nie istnieje, ale podano nazwę, tworzymy nowe zdalne repozytorium
    elif args.remote:
        new_remote = {'name': args.remote}
        for field in ['protocol', 'domain', 'port', 'token_name', 'token', 'group', 'project']:
            new_remote[field] = getattr(args, field, DEFAULT_CONFIG['remotes'][0].get(field, '')) 
            if new_remote[field] == None:
                new_remote[field] = DEFAULT_CONFIG['remotes'][0].get(field, '')
        config['remotes'].append(new_remote)

    # Aktualizuj informacje o użytkowniku i email, tylko jeśli zostały podane
    if getattr(args, 'user', None):
        config['user'] = args.user
    if getattr(args, 'email_domain', None):
        config['email'] = f"{args.user}@{args.email_domain}"

    # Zapisz zmodyfikowaną konfigurację
    with open(config_file, 'w') as file:
        json.dump(config, file, indent=4)

    return config


def init_git_repo(config):
    user_name = config['user']
    user_email = config['email']
    branch_name = f"{user_name}-{datetime.now().strftime('%Y-%m-%d')}"

    if subprocess.run(["git", "rev-parse", "--git-dir"], stderr=subprocess.DEVNULL).returncode != 0:
        subprocess.run(["git", "init"])
        subprocess.run(["git", "config", "user.name", user_name])
        subprocess.run(["git", "config", "user.email", user_email])
        subprocess.run(["git", "checkout", "-b", branch_name])
        print("Git repository initialized.")
    else:
        print("Already inside a Git repository. Skipping initialization.")

    remotesFromList = str(subprocess.run(["git", "remote", "-v"], capture_output=True).stdout)
    remotesFromList = remotesFromList.replace('b\'', "").replace('\'', "").split('\\n')
    for rm in remotesFromList:
        name = rm.split("\\t")[0]
        subprocess.run(["git", "remote", "remove", name], stderr=subprocess.DEVNULL)

    for remote in config['remotes']:
        remote_url = f"{remote['protocol']}://{remote['token_name']}:{remote['token']}@{remote['domain']}:{remote['port']}/{remote['group']}/{remote['project']}"
        # Usunięcie i ponowne dodanie zdalnego repozytorium, jeśli jest zaktualizowane
        #subprocess.run(["git", "remote", "remove", remote['name']], stderr=subprocess.DEVNULL)
        subprocess.run(["git", "remote", "add", remote['name'], remote_url])
        print(f"Remote '{remote['name']}' added or updated.")

def main():
    parser = argparse.ArgumentParser(description="Git repository initializer with custom configuration.")
    parser.add_argument("--user", help="User name")
    parser.add_argument("--email_domain", help="Email domain")
    parser.add_argument("--config", help="Path to the JSON config file", default="conf.json")
    parser.add_argument("--remote", help="Name of the remote to add or update")
    parser.add_argument("--protocol", help="Remote protocol")
    parser.add_argument("--domain", help="Remote domain")
    parser.add_argument("--port", help="Remote port")
    parser.add_argument("--token_name", help="Remote token name")
    parser.add_argument("--token", help="Remote token")
    parser.add_argument("--group", help="Group name")
    parser.add_argument("--project", help="Project name")

    args = parser.parse_args()

    config = load_or_create_config(args.config, args)
    init_git_repo(config)
    print("Git repository initialized and configured based on the provided configuration.")

if __name__ == "__main__":
    main()