#!/usr/bin/env perl6
use v6.d.PREVIEW;
use lib 'lib';
use MaildirIndexer::ScanDir;
use MaildirIndexer::Store;
use MaildirIndexer::Parser;

sub MAIN($maildir) {
    my $store = MaildirIndexer::Store.new;

    my $file-supply = scan-dir($maildir);
    my $file-channel = $file-supply.Channel;

    for ^10 {
        start react {
            whenever $file-channel -> $file {
                if $file.e && $file.f {
                    $store.add-file($file);
                }
                elsif !$file.e {
                    $store.del-file($file);
                }
            }
        }
    }

    my $listener = IO::Socket::Async.listen(
        '127.0.0.1',
        9000,
        :enc<utf8-c8>,
    );

    react {
        whenever signal(SIGINT) { exit }
        whenever signal(SIGHUP) {
            $store.dump();
        }
        whenever $listener -> $conn {
            LEAVE { $conn.close }
            with parse-email($conn) -> $email {
                with $store.mailbox-for-email($email) -> $mailbox {
                    await $conn.print("$mailbox\x0d\x0a");
                }
            }
        }
    }
}