#!/bin/python3

from urllib.parse import urlparse, urlsplit, unquote, urljoin
from bs4 import BeautifulSoup, Tag
from collections import defaultdict
import subprocess
import os, sys, re, csv

import argparse
import requests

import pwd
import grp

users_info = {}

install_package = None
install_url = None
install_dependencies = None
is_module = False

# ANSI escape codes for text colors
class colors:
    normal = '\033[0m'
    black = '\033[30m'
    red = '\033[31m'
    green = '\033[32m'
    yellow = '\033[33m'
    blue = '\033[34m'
    purple = '\033[35m'
    cyan = '\033[36m'
    white = '\033[37m'

# ANSI escape codes for text styles
class styles:
    bold = '\033[1m'
    underline = '\033[4m'

users = []
users_broken = []
class User:
    def __init__(self):
        self.search = None
        self.name = None
        self.uid = None
        self.gid = None
        self.home = None
        self.pkg_list = None


get_dependencies = {}
get_not_installable = []
base_dir = "/usr/src"
install_scripts_main = "/etc/pkgusr/install_scripts"
install_command = ""
package_reinstall = False

ignore_list = None
ignore_deps = False
ignore_recommended = False

soup_global = None

file_install_links = '/tmp/packagemanager/install_links.txt'
try: open(file_install_links, 'w').close()
except Exception as e: print(f"Error: {e}")

if not os.path.exists('/tmp/packagemanager/'):
    os.makedirs('/tmp/packagemanager/')
if not os.path.exists(install_scripts_main):
    os.makedirs(install_scripts_main)

def printHeader(msg):
    header_width = 40
    msg_length = len(msg)
    num_hashes = max(header_width - msg_length - 6, 2)
    print(f"\n{colors.blue}{'#' * header_width}{colors.normal}")
    print(f"{colors.blue}### {msg} #{'#' * num_hashes} {colors.normal}")

def printLine():
    print(f"{colors.blue}{'–' * 40}{colors.normal}")
    return f"{colors.blue}{'–' * 40}{colors.normal}"

def printSuccess(msg):
    print(f"{colors.green}{msg}{colors.normal}")

def printInfo(msg):
    print(f"{colors.blue}{msg}{colors.normal}")

def printWarning(msg):
    print(f"{colors.yellow}{msg}{colors.normal}")

def printError(msg):
    print(f"{colors.red}{msg}{colors.normal}")


####################################################
### oter functions

# yes no request
def askYesNoQuestion(question):
    while True:
        response = input(question + " [y|n]: ").strip().lower()
        if response == 'y':
            return True
        elif response == 'n':
            return False
        else:
            print("Please enter 'y' for yes or 'n' for no.")

def strip_package_name_full(name):
    return re.sub("\(.*","",name).strip()

def extract_package_name(soup):
    global is_module
    name_link = None
    if is_module:
        name_link = soup.select_one("h2.sect2 > a")
    else:
        name_link = soup.select_one("h1.sect1 > a")
    name = name_link['name']
    parts = name.split("-")
    if len(parts) > 1 and parts[-1].replace(".","").isdigit():
        return "-".join(parts[:-1])
    else:
        return name

# return name and version of name-verion

def extract_package_name_full(soup):
    global is_module
    # Find the div element with class "sect1" followed by h1 with class "sect1"
    div_element = None
    if is_module:
        div_element = soup.select_one('h2.sect2')
    else:
        div_element = soup.select_one('h1.sect1')

    if div_element:
        # Extract and return the content within the div
        content = div_element.get_text().strip()
        return strip_package_name_full(content)
    else:
        print(f"extract_package_name_version: nothing found")
        return ""

def extractPackageNameVersion(package_string):
    version_pattern = r'-(\d+(\.\d+)+)$'
    match = re.search(version_pattern, package_string)

    if match:
        package_name_without_version = package_string[:match.start()]
        package_version = match.group(1)
        return package_name_without_version, package_version
    else:
        return package_string, None

def sortDependencies(dependencies):
    global get_not_installable
    ## SORT
    # Create a defaultdict to store dependencies as sets
    dependency_sets = defaultdict(set)
    # Convert the dependencies dictionary to sets
    for package, deps in dependencies.items():
        for dep, _ in deps:
            dependency_sets[package].add(dep)
    # Perform topological sorting
    sorted_packages = []
    visited = set()

    def topologicalSort(package):
        visited.add(package)
        for dep in dependency_sets[package]:
            if dep not in visited:
                topologicalSort(dep)
        sorted_packages.append(package)

    for package in dependencies.keys():
        if package not in visited:
            topologicalSort(package)

    # Create a new dictionary with sorted packages
    sorted_dependencies = {}
    for pkg in sorted_packages:
        try:
            sorted_dependencies[pkg] = dependencies[pkg]
        except KeyError:
            # If dependencies[pkg] does not exist, add pkg to get_not_installable
            get_not_installable.append(pkg)
    return sorted_dependencies


def checkInstalledDependencies(dependencies, ignore_check):
    global get_not_installable
    installed = []
    missing = []
    version_mismatch = []

    ### CHECK
    for key in dependencies:
        package_name = getNameFromDependencyFile(key)
        name, version = extractPackageNameVersion(key)
        check = checkPackage(package_name, version)
        if ignore_check:
            missing.append(key)
        elif check == "True":
            installed.append(key)
        elif check == "False":
            missing.append(key)
        elif check == "Undefined":
            get_not_installable.append(key)
        else:
            version_mismatch.append(f"{key} == {check}")

    return installed, missing, version_mismatch

def getPkgSoup(url):
    global soup_global

    # Send a GET request to the URL
    response = requests.get(url)
    # Check if the request was successful (status code 200)
    if response.status_code == 200:
        # Parse the HTML content of the webpage
        soup_global = BeautifulSoup(response.text, "html.parser")
    else:
        print(f"Failed to retrieve the webpage. Status code: {response.status_code}")

####################################################
### packagemanager functions

def findUserByName(username):
    res =  next((user for user in users if user.name == username), None)
    if not res:  
        res = next((user for user in users if user.search == username), None) 
    return res 



def setUserInfo(packages):
    if len(packages) == 1 and packages[0] == "all":
        packages = listAllUsers()

    default_infos = ("name", "uid", "gid", "home", "pkg_list")
    for username in packages:
        default_info = {}
        for f in default_infos: default_info[f] = None
        user = findUserByName(username)
        if not user:
            user = User()
            users.append(user)
            user.search = username

        commands = {
            "name": ["id", "-un", username],
            "uid": ["id", "-u", username],
            "gid": ["id", "-g", username],
            "home": ["bash", "-c", f'[ -d "{base_dir}" ] && echo "{base_dir}/{username}"'],
            "pkg_list": ["bash", "-c", f'[ -f "{base_dir}/{username}/pkg.lst" ] && echo "{base_dir}/{username}/pkg.lst"']
        }

        check_missing = False
        for attribute, command in commands.items():
            try:
                setattr(user, attribute, subprocess.check_output(command).decode().strip())
            except subprocess.CalledProcessError:
                check_missing  = True
                setattr(user, attribute, None)
        
        if check_missing and not user in users_broken:
            users_broken.append(user)


def formatUserTableCell(key, value):
    if not value:
        value = "None"
    if key == "name":
        return value.ljust(12)
    if key == "uid":
        return value.ljust(6)
    if key == "gid":
        return value.ljust(6)
    if key == "home":
        return value.ljust(25)
    if key == "pkg_list":
        return value.ljust(28)



def printUserInfo(packages):
    if len(packages) == 1 and packages[0] == "all":
        packages = listAllUsers()

    # Print the values of user_info
    printHeader(f"User infos")
    print()
    arg_to_attr = {"name": args.name, "uid": args.uid, "gid": args.gid, "home": args.home, "pkg_list": args.pkg_list}
    
    values_to_print = []
    values_all = []
    # Loop through the dictionary and append values to values_all or values_to_print accordingly
    for arg_name, arg_value in arg_to_attr.items():
        if arg_value:
            values_to_print.append(arg_name)
        else:
            values_all.append(arg_name)

    if len(values_to_print) == 0:
        values_to_print = values_all

    print_header = " ".join(formatUserTableCell(value, value.capitalize()) for value in values_to_print)
    print(print_header)
    printLine()

    def printUsers(users):
        for user_name in users:
            user = findUserByName(user_name)
            def printValues(values):
                print_string = ""
                for value in values:
                    #print_value_in = userinfo[value]
                    print_value_in = getattr(user, value)
                    print_value = formatUserTableCell(value, print_value_in)
                    if not print_value_in:
                        if value == "name":
                            print_value = formatUserTableCell("name", user.search)
                        print_value = colors.red + print_value + colors.normal
                    elif (value == "uid" or value == "gid" ) and not user.gid == user.uid:
                        print_value = colors.yellow + print_value + colors.normal
                    print_string = print_string + f"{print_value} "
                print(print_string)


            printValues(values_to_print)
            #print(f"{userinfo['name']}\t{userinfo['uid']}\t{userinfo['gid']}\t{userinfo['home']}\t{userinfo['pkg_list']}")

    printUsers(packages)
    print()
    if len(users_broken) > 0:
        printHeader("Broken")
        print()
        print(print_header)
        printLine()
        printUsers([u.search for u in users_broken])

def getUserInfo(packages):
    setUserInfo(packages)
    printUserInfo(packages)

def checkPackageVersion(package_name_version):
    package_name, package_version = extractPackageNameVersion(package_name_version)
    file_path = f"/usr/src/{package_name}/install_{package_name}"
    with open(file_path, 'r') as file:
        for line in file:
            line = line.strip()
            if line.startswith("name_version="):
                name_version = line.split("=")[1].replace('"',"")
                name, version = extractPackageNameVersion(name_version)
                return version


def checkPackage(package_name, version):
    if not package_name:
        return "Undefined"

    installed_version = None
    printHeader(f"Checking {package_name} {version}")

    print(f"Checking '{package_name}'")
    package_name = package_name.lower()

    check = "True"
    try:
        user_result = os.system(f"id {package_name} >/dev/null 2>&1")

        if user_result == 0:
            printSuccess("User "+package_name+" exists.")
        else:
            printWarning("User "+package_name+" does not exist.")
            check = False
    except Exception as e:
        print(f"Error checking user: {e}")
        check = "False"

    # Check dir
    directory = f"/usr/src/{package_name}"
    if os.path.exists(directory):
        printSuccess("Directory "+directory+" exists.")
    else:
        printWarning("Directory "+directory+" does not exist.")
        check = "False"

    # Check pkg.list file -> installed...
    file_path = f"{directory}/pkg.lst"
    if os.path.exists(file_path) and os.path.getsize(file_path) > 0:
        printSuccess("File "+file_path+" exists")
    else:
        printWarning("File "+file_path+" does not exist or is empty.")
        check = "False"

    # Check version
    file_install = f"{directory}/install_{package_name}"
    if os.path.exists(file_install) and os.path.getsize(file_install) > 0:
        printSuccess("File "+file_install+" exists")
        version_is = checkPackageVersion(package_name)
        if not version_is == version and version is not None:
            printWarning(f"Version mismatch: {version}")
            check = version
        else:
            printSuccess(f"Version match: {version}")
    else:
        printWarning("File "+file_install+" does not exist or is empty.")

    printLine()
    if check == "True":
        printSuccess("All checks passed.")
    elif check == "False":
        printError("Some checks failed.")
    else:
        printError("Version mismatch.")

    return check

def getPackageUrl(pkg_name, quiet):
    # Execute the blfs_parse_find_package script with -q and store its output in the 'url' variable
    url = ""
    try:
        if quiet:
            blfs_output = subprocess.check_output(["blfs_parse_find_package", "-q", pkg_name], universal_newlines=True, stderr=subprocess.STDOUT).strip()
        else:
            blfs_output = subprocess.check_output(["blfs_parse_find_package", pkg_name], universal_newlines=True, stderr=subprocess.STDOUT).strip()
        url = blfs_output
    except subprocess.CalledProcessError as e:
        if e.output:
            url = e.output.strip()
        else:
            print(f"Error executing blfs_parse_find_package: {e}")
            sys.exit(1)

    if "not found" in url or not quiet:
        printHeader(f"Search {pkg_name}")
        print(url)

        if "not found" in url:
            sys.exit(0)
    return url

def fetchDependencies(url, quiet, once, tab):
    global is_module
    if not url:
        return

    tab_space = " " * tab
    tab += 1
    global get_dependencies
    global get_not_installable
    global ignore_list

    basename = os.path.basename(url.replace(".html", ""))

    if basename.startswith("xorg7#"):
        printError("\n#################")
        printError(f"cannot fetch {basename}")
        get_not_installable.append(basename)
        return

    if not quiet:
        print("\n#################")
        print(f"{tab_space}FETCHING: ", basename)
        print()
    soup = None
    deps = []
    # Send a GET request to the URL
    response = requests.get(url)

    # Check if the request was successful (status code 200)
    if response.status_code == 200:
        is_module = False

        # Check if pkg is a module
        parsed_url = urlsplit(url)
        fragment = parsed_url.fragment

        # Remove URL encoding from the fragment
        if fragment:
            is_module = unquote(fragment)

        # Parse the HTML content of the webpage
        soup = BeautifulSoup(response.text, "html.parser")
        if is_module:
            soup = soup.select_one(f'div.sect2 h2.sect2 a[name="{is_module}"]').find_parent('div', class_='sect2')
    else:
        print(f"Failed to retrieve the webpage. Status code: {response.status_code}")

    # Extract name
    pkg_name_version = extract_package_name_full(soup).replace(" ", "-")

    # Find the div element with class "package"

    pg_name, version = extractPackageNameVersion(pkg_name_version)
    pkg_name = extract_package_name(soup)

    package_div = soup.find(class_="package")
    with open(file_install_links, 'a') as file:
        file.write(f'{pkg_name}\t{pkg_name_version}\t{url}\n')

    #if once:
    #    sys.exit(0)
    #    return
    
    #get_dependencies[pkg_name_version] = deps
    get_dependencies[pkg_name_version] = []
    loop_pkg = pkg_name_version

    if checkPackage(pkg_name, version) == "True":
        printSuccess(f"{pkg_name} is installed")
        return

    
    if package_div:
        # Find all <a class="xref"> elements within <p class="required"> under the package_div

        # Extract and join the titles of all found xref elements with a comma
        def getP(required_xref_elements):
            for xref in required_xref_elements:
                title_full = strip_package_name_full(xref.get("title"))
                title_full = title_full.replace(" ", "-")
                if title_full:
                    href = xref.get("href")
                    # if not a local page
                    if href.startswith("https://"):
                        missing.append([title_full, href])
                    else:
                        url_new = urljoin(url, href)
                        deps.append([title_full, url_new])
                        check_title = False
                        check_ignore = False
                        for subarray in get_dependencies:
                            if title_full in get_dependencies and not loop_pkg == subarray:
                                check_title = True
                        for ignore in ignore_list:
                            if ignore.lower() in title_full.lower():
                                printError(f"\n\n{printHeader('IGNORE')}\n\n{title_full}\n\n")
                                check_ignore = True
                        if not once and not check_title and not check_ignore and not ignore_deps:
                            fetchDependencies(url_new, quiet, False, tab)

        getP(package_div.select('p.required a.xref'))
        if not ignore_recommended:
            getP(package_div.select('p.recommended a.xref'))

    get_dependencies[pkg_name_version] = deps

def getDependencies(url, quiet, once):
    global get_dependencies
    global get_not_installable


    if not url.startswith(("https://", "http://")):
        url = getPackageUrl(url, True)

    if not quiet:
        printHeader("Dependencies")
        print()

    fetchDependencies(url, quiet, False, 0)

    dependencies_sorted = sortDependencies(get_dependencies)

    if not quiet:
        printHeader(f"{package_name} dependencies")
        print("DEPENDENCIES: ", dependencies_sorted)
        print("NOT INSTALLABLE: ", get_not_installable)

    return dependencies_sorted

def getUrlFromDependencyFile(pkg_name):
    with open(file_install_links, "r", encoding="utf8") as file:
        reader = csv.reader(file, delimiter="\t")
        for row in reader:
            (name, name_version, url) = row
            if name_version == pkg_name:
                return url

def getNameFromDependencyFile(pkg_name_version):
    with open(file_install_links, "r", encoding="utf8") as file:
        reader = csv.reader(file, delimiter="\t")
        for row in reader:
            (name, name_version, url) = row
            if name_version == pkg_name_version:
                return name

def getInstallFile(pkg_name):
    original_dir = os.getcwd()
    file_dir = f'/tmp/packagemanager/install_files'
    if not os.path.exists(file_dir):
        os.makedirs(file_dir)
    os.chdir(file_dir)

    url = getUrlFromDependencyFile(pkg_name)

    print("URL: ", url)
    try:
        subprocess.check_output(['blfs_parse_page', url], universal_newlines=True, stderr=subprocess.STDOUT).strip()
    except subprocess.CalledProcessError as e:
        print("Error getInstallFile:", e)
        sys.exit(0)

    os.chdir(original_dir)

def getInstallPkgCommands(pkg_name):
    global install_command
    global soup_global

    name, version = extractPackageNameVersion(pkg_name)
    name = getNameFromDependencyFile(pkg_name)
    install_file = f'/tmp/packagemanager/install_files/install_{pkg_name}'
    printHeader(f"Get Install file {pkg_name}")
    print()
    if not os.path.isfile(install_file):
        print(f"Cannot find install file {install_file}")
        #sys.exit(0)
    print(f"{install_file}")
    #askYesNoQuestion("Do you wish to continue?")
    try:
        subprocess.run(["bash", "-n", install_file], check=True)
        printSuccess(f'\n–––––––––––––––––––––––––––––––––––––')
        printSuccess("\nBash script syntax is valid.")
    except subprocess.CalledProcessError as e:
        printError(f'\n–––––––––––––––––––––––––––––––––––––')
        printError("\n!!! Error in Bash script syntax !!!")
        if e.stderr is not None:
            print(e.stderr)
        print("Recheck the file!")
        print(f"{install_file}")
    install_command = install_command + f"packagemanager_install {name.lower()} {install_file};\n"
    

install_check_run = 0
def installCheck(package_name_version, dependencies, ignore_check):
    global install_check_run
    install_check_run  = install_check_run + 1

    printHeader("Install")
    # get dependencies
    package_name = getNameFromDependencyFile(package_name_version)
    name, version = extractPackageNameVersion(package_name_version)
    if not package_name:
        package_name = name
    add_missing = None
    if checkPackage(package_name, version) == "True" and not ignore_check:
        printLine()
        printError(f"{package_name} is already installed")
        if install_check_run == 1:
            if askYesNoQuestion(f"do you want to go on anyways?"):
                add_missing = package_name_version
            else:
                exit(1)
    printLine()
    # check dependencies
    installed, missing, version_mismatch = checkInstalledDependencies(dependencies, ignore_check)
    if add_missing:
        installed.append(add_missing)
    printHeader("Dependencie summary:")
    printSuccess(f"Installed: {installed}")
    printError(f"Missing: {missing}")
    printWarning(f"Version mismatch: {version_mismatch}")

    return installed, missing, version_mismatch

def installMissing(pkgs):
    printHeader("Install missing pkgs")

    print(pkgs)
    for pkg in pkgs:
        getInstallFile(pkg)
        getInstallPkgCommands(pkg)

def installCycle(package_name):
    global package_reinstall

    url = ""

    # Check if the URL is not a webpage (doesn't start with "https://" or "http://")
    if not package_name.startswith(("https://", "http://")):
        url = getPackageUrl(package_name, True)

    # get global soup
    getPkgSoup(url)

    if not package_reinstall:
        dependencies = getDependencies(url, False, False)
        installed, missing, version_mismatch = installCheck(package_name, dependencies, False)
    else:
        dependencies = getDependencies(url, False, True)
        installed, missing, version_mismatch = installCheck(package_name, dependencies, True)

    installMissing(missing)
    print(install_command)

def listPackage(packages):
    for package_name in packages:
        if package_name == "all" and len(packages) == 1:
            listAllUsers()
            return

        print()
        printLine()
        printHeader(f"List {package_name}")


def listAllUsers():
    print()
    printLine()
    printHeader(f"List all found in /usr/src")
    print()
    directory_names = None
    directory_names = sorted([d for d in os.listdir(base_dir) if os.path.isdir(os.path.join(base_dir, d))])
    directory_names = directory_names[::-1]
    longest_name = len(max(directory_names, key=len))
    num_columns = 3
    c = 0
    row_str = ""
    a_break = 0
    for d_name in directory_names:
        c = c+1
        if d_name and d_name[0].lower() == "a":
            a_break = 1

        if a_break == 1 and d_name[0].lower() != "a":
            a_break = 2
            row_str = row_str + f"\n{printLine()}\n"
            c = 1
        row_str = row_str + "" + d_name.ljust(longest_name+1)
        if c % num_columns == 0: 
            row_str = row_str + "\n"

    print(row_str)
    printLine()
    print(f"Total:   {len(directory_names)}")
    print(f"Strange: {c}")
    return directory_names

def reloadPkgList(package_name):
    print()
    printLine()
    printHeader(f"Reload pkg list {package_name}")
    print()
    #setUserInfo([package_name])

    package_dir = os.path.join(base_dir, package_name)
    if os.path.exists(package_dir):
        # Execute the bash command and redirect output to pkg.lst.new file
        command = f"list_package {package_name} 2>&1 | tee /tmp/pkg.lst.new && cp {package_dir}/pkg.lst.new {package_dir}/pkg.lst"
        subprocess.run(command, shell=True, check=True)
        print(f"Command executed successfully for {package_name}.")
    else:
        print(f"Directory {package_dir} does not exist.")


def findFilesOrFoldersWithBrokenGidOrUid():
    def print_find(file):
        print(file)

    def findFilesWithInvalidIds(root_dir, ignored_paths):
        invalid_files = []

        for foldername, subfolders, filenames in os.walk(root_dir):
            ignore_flag = False
            for ignored_path in ignored_paths:
                if foldername.startswith(ignored_path):
                    ignore_flag = True
                    break
            if ignore_flag:
                continue

            for filename in filenames:
                file_path = os.path.join(foldername, filename)

                try:
                    file_stat = os.lstat(file_path)  # Use os.lstat() instead of os.stat() for symlinks
                    uid = file_stat.st_uid
                    gid = file_stat.st_gid

                    try:
                        pwd.getpwuid(uid)
                        grp.getgrgid(gid)
                    except (KeyError, OverflowError):
                        invalid_files.append(file_path)
                        print_find(file_path)

                except (FileNotFoundError, PermissionError):
                    invalid_files.append(file_path)
                    print_find(file_path)

        return invalid_files

    root_directory = '/'
    ignored_paths = [ '/mnt', '/proc']
    invalid_files = findFilesWithInvalidIds(root_directory, ignored_paths)

    print()
    print(invalid_files)

    # Write invalid files to a file in /tmp directory
    output_file_path = '/tmp/invalid_files.txt'
    with open(output_file_path, 'w') as output_file:
        for file_path in invalid_files:
            output_file.write(file_path + '\n')

    # Inform user about the output file
    print(f'\nInvalid files list written to: {output_file_path}\n')
    return invalid_files


if __name__ == "__main__":
    ignore_list

    parser = argparse.ArgumentParser(description="Package Manager")
    parser.add_argument("command", choices=["info", "install", "reload-pkg-list", "remove", "check", "search", "dependencies", "list", "files_with_broken_id"], help="Usage: packagemanager check <package_name>")
    parser.add_argument("packages", nargs='+', default=None, help="Packages to operate on")
    parser.add_argument("-r", "--reinstall", action="store_true", help="reinstall")
    parser.add_argument("-i", "--ignore", help="List of items to ignore, separated by commas")
    parser.add_argument("-e", "--ignore-recommended", action="store_true", help="Ignore recommended packages")
    parser.add_argument("-f", "--force", action="store_true", help="ignores dependencies")
    parser.add_argument("-name", action="store_true", help="Specify name parameter for info")
    parser.add_argument("-uid", action="store_true", help="Specify uid parameter for info")
    parser.add_argument("-gid", action="store_true", help="Specify home parameter for info")
    parser.add_argument("-pkg-list", action="store_true", help="Specify pkg-list parameter for info")
    parser.add_argument("-home", action="store_true", help="Specify home parameter for info")

    # print(args.reinstall)
    args = parser.parse_args()
    packages = args.packages

    if args.ignore:
        ignore_list = args.ignore.split(",")
    if not ignore_list:
        ignore_list = ""

    #package_name = args.package.replace(" ","-")

    if args.reinstall:
        package_reinstall = True

    if args.force:
        ignore_deps = True
    if args.ignore_recommended:
        ignore_recommended = True

    if args.command == "files_with_broken_id":
        findFilesOrFoldersWithBrokenGidOrUid()
    elif args.command == "reload-pkg-list":
        for package_name in packages:
            reloadPkgList(package_name)
    elif args.command == "info":
        getUserInfo(packages)
    elif args.command == "list":
        listPackage(packages)
    elif args.command == "check":
        checkPackage(package_name, None)
    elif args.command == "install":
        for package_name in packages:
            installCycle(package_name)
        if len(get_not_installable) > 0:
            print("NOT INSTALLABLE: ", get_not_installable)
    elif args.command == "dependencies":
        for package_name in packages:
            getDependencies(package_name, False, False)
    elif args.command == "search":
        for package_name in packages:
            getPackageUrl(package_name, False)
    else:
        printError("Usage: packagemanager check <package_name>")
        sys.exit(1)