module main

import os

const start_path := os.getwd()
const y_all_patterns := os.getenv('Y_ALL_PATTERNS')
const patterns = ['.node_module', '.node_modules', '.wine', '.local', '.config', '.fonts', '.cache', '.cargo', '.npm', '.npm-global', '.npmrc', '.go']

struct Rtime {
	mut:
	counter u64
}

fn main() {
	println('starting out in ${start_path}')

	mut rtime := Rtime{
		counter: 0
	}
	os.walk_with_context(start_path, &rtime, check_ent)
}



fn check_ent(mut rtime Rtime, fpath string) {
	rtime.counter += 1
	println('processing entity ${rtime.counter}: ${fpath}')
	split_fpath := fpath.split('/')
	c := split_fpath[split_fpath.len -1]
	s := os.stat(fpath) or {
		panic(err)
	}
	for p in patterns {
		if p == c {
			println('Do you want to remove ${fpath}? y/n')
			a := os.get_line()
			if a == 'y' || y_all_patterns == 'true' {
				println('deleting ${fpath}')
				op := os.execute('rm -rf ${fpath}')
				if op.exit_code == 0 {
					println('${fpath} was successfully removed')
				} else {
					println('could not remove ${fpath}')
				}
			} else {
				continue
			}
		}
	}
	if s.size > 400000000 {
			println('${fpath} is ${s.size/1000000}MB')
			println('Do you want to remove ${fpath}? y/n')
			a := os.get_line()
			if a == 'y' {
				op := os.execute('rm -rf ${fpath}')
				if op.exit_code == 0 {
					println('${fpath} was successfully removed')
				} else {
					println('could not remove ${fpath}')
				}
			}
	}
}