<?php declare(strict_types=1);

require_once('common.php');

$taskMatrix = require 'taskMatrix.php';
$mondays = [
    (int)(new DateTimeImmutable('first monday of this month'))->format('d'),
    (int)(new DateTimeImmutable('second monday of this month'))->format('d'),
    (int)(new DateTimeImmutable('third monday of this month'))->format('d'),
    (int)(new DateTimeImmutable('fourth monday of this month'))->format('d'),
];
$currentMonth = (new DateTimeImmutable())->format('m');
$currentDayOfMonth = closest((new DateTimeImmutable())->format('d'), $mondays);
$currentWeekOfMonth = array_search($currentDayOfMonth, $mondays);

$taskLists = array_merge(
    isStartOfSeason($currentMonth, $currentDayOfMonth) ? [unlines(map(getString)(getTasksForTheSeason(getSeason($currentMonth), $taskMatrix)))] : [],
    isStartOfMonth($currentDayOfMonth) ? [unlines(map(getString)(getTasksForTheMonth($currentMonth, $taskMatrix)))] : [],
    [unlines(map(getString)(getTasksForTheWeek($currentWeekOfMonth, $currentMonth, $taskMatrix)))]
);

$taskMessages = [
    [getString('happyMonday')],
    [
        [getString('beginningOf'. ucfirst(getMonthName($currentMonth))), getString('thisMonthThereAre', count(getTasksForTheMonth($currentMonth, $taskMatrix)))],
         getString('anywayHeresTheWeek')
    ],
    [
        getString('beginningOf' . ucfirst(getSeason($currentMonth))),
        [getString('anywayHeresTheMonth'), getString('thisMonthThereAre', count(getTasksForTheMonth($currentMonth, $taskMatrix)))],
        getString('finallyHeresTheWeek')
    ]
];

$messages = zipWith(
    function($message, $list) {
        return ununlines(
            array_merge(
                is_array($message) ? $message : [$message],
                [$list]
            )
        );
    },
    // Magic. startOfSeason implis startofMonth so we get 2, start of month without start of season gives 1 and
    // a regular week (not the start of a season or month) gives 0. And this is how the indicies are ordered in the array.
    $taskMessages[isStartOfSeason($currentMonth, $currentDayOfMonth) + isStartOfMonth($currentDayOfMonth)],
    $taskLists
);

foreach ($messages as $message) {
    sendToGroupChat($message);
    sleep(rand(2,4));
}

$seasonalMemes = [
    'summer' => ['https://www.youtube.com/watch?v=NqktmrKB3ko']
];

if (isStartOfSeason($currentMonth, $currentDayOfMonth)) {
    sendToGroupChat(getString('seasonalMeme', $seasonalMemes[getSeason($currentMonth)][array_rand($seasonalMemes[getSeason($currentMonth)])]));
}