<?php declare(strict_types=1);

require 'common.php';

use function Common\{
        getTelegram,
        getMessagesFromInbox,
        getInbox,
        splitBill,
        getMessageSender,
        getMessageSenderDisplayName,
        canChatWith
};
use Telegram\Bot\Actions;
use Telegram\Bot\Commands\Command;

getTelegram()->addCommand(
    new class extends Command {
        protected $name = 'chatid';
        protected $description = 'Get the id for this chat.';

        public function handle($arguments) {
            $this->replyWithMessage([
                'text' => $this->getUpdate()->get('message')->get('chat')->get('id')
            ]);
        }
    }
);

getTelegram()->addCommand(
    new class extends Command {
        protected $name = 'mybills';
        protected $description = 'List my bills';

        public function handle($arguments) {
            if (!canChatWith($this->getUpdate())) {
                $this->replyWithMessage(['text' => "Sorry, Dad says I can't talk to you."]);
                return;
            }

            $this->replyWithMessage(['text' => 'Fetching ' . getMessageSenderDisplayName($this->getUpdate())  . "'s unpaid bills. Just a sec ..."]);
            $this->replyWithChatAction(['action' => Actions::TYPING]);
            $this->replyWithMessage([
                'text' => implode(
                    "\n",
                    array_map(
                        function($bill) {
                            return sprintf(
                                "%s (%s): $%s each due on the %s",
                                $bill['service'],
                                $bill['id'],
                                splitBill($bill['amount']),
                                $bill['due']->format('jS')
                            );
                        },
                        getMessagesFromInbox(
                            getInbox(
                                'Utilities/' . getMessageSender($this->getUpdate()) . ' To Pay'
                            ),
                            require 'rules.php',
                            FALSE
                        )
                    )
                )
            ]);
        }
    }
);

getTelegram()->addCommand(
    new class extends Command {
        protected $name = 'paybill';
        protected $description = 'Mark a bill as paid';

        public function handle($arguments) {
            if (!canChatWith($this->getUpdate())) {
                $this->replyWithMessage(['text' => "Sorry, Dad says I can't talk to you."]);
                return;
            }

            if (!$arguments) {
                $this->replyWithMessage(['text' => "I need the bill id. The /mybills command lists all your bills with the ids in brackets. Here, I'll show you..."]);
                $this->triggerCommand('mybills');
            }

            $messages = array_values(array_filter(
                getMessagesFromInbox(
                    getInbox(
                        'Utilities/' . getMessageSender($this->getUpdate()) . ' To Pay'
                    ),
                    require 'rules.php',
                    FALSE
                ),
                function($e) use ($arguments) {
                    return $e['id'] == $arguments;
                }
            ));

            if(!$messages || count($messages) !== 1) {
                $this->replyWithMessage(['text' => "That doesn't look like a valid id. Use /mybills to list your bills."]);
            }

            imap_delete(getInbox('Utilities/' . getMessageSender($this->getUpdate()) . ' To Pay'), $messages[0]['uid'], FT_UID);
            $this->replyWithMessage(['text' => "I marked " . getMessageSenderDisplayName($this->getUpdate())  . " as having paid the " . strtolower($messages[0]['service']) . " bill, thanks!"]);
        }
    }

);

getTelegram()->commandsHandler(true); //must come afterwards because lolzer