#!/usr/bin/env python3

"""
nvim '+PlugUpdate'
sudo pacman -Syu
aur sync -unr
nix-channel --update && nix-env -u
"""

import sys, os
import argparse
import subprocess
from time import localtime, strftime


parser = argparse.ArgumentParser(prog = 'update')
parser.add_argument('--noconfirm', default = False, action = 'store_true')
args = parser.parse_args()


def log(message: str):
    print(f'[{strftime("%H:%M:%S", localtime())}] {message}')


lock_file = 'update.lock'
if os.path.exists(lock_file):
    log('Update already running')
    sys.exit(0)

open(lock_file, 'a').close()


try:
    commands_confirm = [
        lambda: log('Running `nvim \'+PlugUpdate\'`...'),
        lambda: subprocess.run(['nvim', '+PlugUpdate']),
        lambda: log('Running `sudo pacman -Syu`...'),
        lambda: subprocess.run(['sudo', 'pacman', '-Syu']),
        lambda: log('Running `aur sync -unr`...'),
        lambda: subprocess.run(['aur', 'sync', '-unr']),
    ]

    commands_noconfirm = [
        lambda: log('Running `aur sync -unr`...'),
        lambda: subprocess.run(['aur', 'sync', '-unr']),
        lambda: log('Running `sudo pacman -Syu`...'),
        lambda: subprocess.run(['sudo', 'pacman', '-Syu', '--noconfirm']),
        lambda: log('Running `nvim \'+PlugUpdate\'`...'),
        lambda: subprocess.run(['nvim', '+PlugUpdate', '+qall']),
    ]

    if not args.noconfirm:
        for command in commands_confirm:
            command()
    else:
        for command in commands_noconfirm:
            command()

    log('Running `nix-channel --update`...')
    subprocess.run(['nix-channel', '--update'])

    log('Running `nix-env -u`...')
    subprocess.run(['nix-env', '-u'])

except (KeyboardInterrupt):
    pass

log('Cleaning up...')
os.remove(lock_file)