commands.py

import os
import shutil
import subprocess
from pathlib import Path
from datetime import datetime
import requests
import sys
import time
import calendar
import re
import random
from colorama import init,Fore,Style
init(autoreset=True)

def cmd_ls(args):
    path = args[0] if args else '.'
    lis = os.listdir(path)
    for i in lis:
    	print(i)

def cmd_cd(args):
    if args:
        os.chdir(args[0])
    else:
        print("Usage: cd <directory>")

def cmd_pwd(args):
    print(os.getcwd())

def cmd_mkdir(args):
    if args:
        os.mkdir(args[0])
    else:
        print("Usage: mkdir <foldername>")

def cmd_touch(args):
    if args:
        Path(args[0]).touch(exist_ok=True)
    else:
        print("Usage: touch <filename>")

def cmd_rm(args):
    if args:
        target = args[0]
        if os.path.isdir(target):
            shutil.rmtree(target)
        else:
            os.remove(target)
    else:
        print("Usage: rm <filename|foldername>")

def cmd_rename(args):
    if len(args) == 2:
        os.rename(args[0], args[1])
    else:
        print("Usage: rename <old_name> <new_name>")

def cmd_edit(args):
    if not args:
        print("Usage: edit <filename>")
        return
    filename = args[0]
    if not os.path.exists(filename):
        Path(filename).touch()
    print("Enter text (type '.save' on a new line to finish):")
    with open(filename, 'a+') as file:
      a = 1
      while True :
      	line = input(f'{a} ')
      	if line == ".save":
      		print(f'{filename} has been saved')
      		break
      	else:
      		file.write(f'\n{line}')
      	a = a+1

def cmd_runpy(args):
    if args:
        subprocess.run(['python', args[0]])
    else:
        print("Usage: runpy <script.py>")

def cmd_find(args):
    filename = args[0]
    matches = []
    for root, dirs, files in os.walk(os.getcwd()):
        if filename in files:
            matches.append(os.path.join(root, filename))

    if matches:
        for m in matches:
            print(m)
    else:
        print("File not found.")

def cmd_cmatrix(args):
    try:
        while True:
            line = "".join(random.choice("01") for _ in range(60))
            print(Fore.GREEN + line)
            time.sleep(0.05)
    except KeyboardInterrupt:
        print(Style.RESET_ALL)

def cmd_cat(args):
	if len(args)==1:
		with open(args[0],'r') as f:
			print(f.read())
	else:
		print("Usage: cat <filename>")

def cmd_cp(args):
	with open(args[0],'r') as f:
		text = f.read()
		with open(args[1],'w') as f2:
			f2.write(text)

def cmd_uptime(start_time):
    
    uptime_seconds = int(time.time() - start_time)
    minutes, seconds = divmod(uptime_seconds, 60)
    print(f"Uptime: {minutes}m {seconds}s")

def cmd_cal(args):
    now = time.localtime()
    print(calendar.month(now.tm_year, now.tm_mon))
def cmd_pip(args):
    if not args:
    	print("Usage: \npip install <package>\npip uninstall <package>\npip update <package>")
    else:
        if args[0] == "install":
        	subprocess.run(f"pip install {args[1]}", shell=True)
        elif args[0] =="uninstall":
        	cons = input(f"are you sure to uninstall {args[1]} (Y/n): ")
        	if cons == "Y":
        		subprocess.run(f"pip uninstall {args[1]}", shell=True)
        elif args[0] == "update":
        	subprocess.run(f"pip update {args[1]}", shell=True)
        else:
        	print("Usage: \npip install <package>\npip uninstall <package>\npip update <package>")
def cmd_clear(args):
    os.system('cls' if os.name == 'nt' else 'clear')

def cmd_date(args):
    print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
 
def cmd_help(args):
    help_text = """
Available Commands:
 ls                  - List directory contents
 cd <dir>            - Change directory
 pwd                 - Show current directory
 mkdir <name>        - Create a new directory
 touch <file>        - Create a new empty file
 rm <target>         - Delete a file or directory
 rename <old> <new>  - Rename a file or directory
 cat <filename>      - show a file content
 cp <realfile> <copiedfile> - copy a file
 edit <file>         - Edit a text file
 runpy <script.py>   - Run a Python script
 pip <command> <pkg> - Use pip
 clear               - Clear the screen
 date                - Show current date and time
 echo <text>         - Print text to screen
 find <filename>     - Searches for a file
 cmatrix             - Starts matrix rain
 grep <filename> <text> -  Searches text inside a file
 uptime              - Shows uptime
 rev <text>          - Reverses text
 wget <url> <save as>- Download file from web
 echo <text>         - Print text to screen
 defstore <command>  - Use defstore
 td <appname>        - Use a third party app
 help                - Show available commands
 exit                - Exit the OS
"""
    print(help_text)


def cmd_echo(args):
    print(' '.join(args))

def cmd_rev(args):
    text = args
    combined = " ".join(text)
    print(combined[::-1])


def installer(url, filename, chunk_size=4096):
    response = requests.get(url, stream=True)
    total_size = int(response.headers.get("content-length", 0))

    downloaded = 0
    bar_length = 50

    with open(filename, "wb") as f:
        for chunk in response.iter_content(chunk_size=chunk_size):
            if not chunk:
                continue

            f.write(chunk)
            downloaded += len(chunk)

            if total_size > 0:
                percent = downloaded / total_size
                filled = int(bar_length * percent)
                bar = "#" * filled + "-" * (bar_length - filled)

                sys.stdout.write(
                    f"\r[{bar}] {percent*100:5.1f}%"
                )
                sys.stdout.flush()
def cmd_wget(args):
	if len(args) == 2:
		url = args[0]
		filename = args[1]
		installer(url,filename)
		print("\nDownload completed")
	else:
		print("Usage: wget <url> <save as>")


def cmd_defstore(args):
	url = "https://raw.githubusercontent.com/samail-islam/Defstore/refs/heads/main/"
	if len(args) == 2 and args[0] == "install":
		app = args[1].lower()
		appfname = app + ".py"
		url += appfname
		installer(url,appfname)
		print("\ninstallation completed")
	elif len(args) == 2 and args[0] == "uninstall":
		app = args[1].lower()
		appfname = app + ".py"
		old = [appfname]
		cons = input(f"are you sure to uninstall {app}? (Y/n): ")
		if cons == "Y":
			cmd_rm(old)
			print("\nUnistalled")
	elif len(args) == 2 and args[0] == "update":
		app = args[1].lower()
		appfname = app + ".py"
		old = [appfname]
		cmd_rm(old)
		url += appfname
		installer(url,appfname)
		print("\nupdated")
		
	elif len(args) == 1 and args[0] == "apps":
		url += "apps.txt"
		response = requests.get(url)
		print(response.text)
	
	else:
		print("""
		Usage:
		defstore apps - shows apps availavle for install
		defstore install <appname> - installs the app
		defstore uninstall <appname> - uninstalls the app
		defstore update <appname> - updates the app if installed""")	
def cmd_td(args):
	if len(args) == 1:
		app = args[0]
		appfname = app + ".py"
		args = [appfname]
		cmd_runpy(args)
	else:
		print("Usage: td <appname>")

def cmd_exit(args):
    print("Exiting PyOS...")
    exit()