<?php

namespace Config;

use CodeIgniter\Config\BaseConfig;

class BdsConfig extends BaseConfig
{
    public bool $installmentReminderEnabled = false;

    public int $installmentReminderBusinessDays = 5;

    public bool $installmentReminderFetchOverduePendingUtr = false;

    public bool $installmentReminderDaily = false;

    /** @var string[] Lowercase three-letter day abbreviations, e.g. mon, tue */
    public array $installmentReminderDays = [];

    public function __construct()
    {
        parent::__construct();

        $this->installmentReminderEnabled = $this->envToBool(
            env('bds.installmentReminder.enabled', 'true')
        );
        $this->installmentReminderBusinessDays = max(
            0,
            (int) env('bds.installmentReminder.businessDays', 5)
        );
        $this->installmentReminderFetchOverduePendingUtr = $this->envToBool(
            env('bds.installmentReminder.fetchOverduePendingUtr', 'false')
        );
        $this->installmentReminderDaily = $this->envToBool(
            env('bds.installmentReminder.daily', 'true')
        );

        $days = env('bds.installmentReminder.days', 'mon,tue,wed,thu,fri');
        $this->installmentReminderDays = array_values(array_filter(array_map(
            static fn (string $day): string => strtolower(substr(trim($day), 0, 3)),
            explode(',', (string) $days)
        )));
    }

    public function shouldFetchInstallmentRemindersToday(): bool
    {
        if (!$this->installmentReminderEnabled) {
            return false;
        }

        if ($this->installmentReminderDaily) {
            return true;
        }

        $today = strtolower(date('D'));

        return in_array($today, $this->installmentReminderDays, true);
    }

    private function envToBool(mixed $value): bool
    {
        return in_array(strtolower((string) $value), ['1', 'true', 'yes', 'on'], true);
    }
}