<?php

namespace App\Services\Fees;

use App\Models\Configuration;

class FeeConfigService
{
    public function getSchoolYear(): string
    {
        return (string) (Configuration::getConfig('school_year') ?? '');
    }

    public function getRefundDeadline(): ?string
    {
        $raw = (string) (Configuration::getConfig('refund_deadline') ?? '');
        if ($raw === '') {
            return null;
        }

        $timestamp = strtotime($raw);
        if ($timestamp === false) {
            return null;
        }

        return date('Y-m-d', $timestamp);
    }

    public function getWeeksOfStudy(): float
    {
        return (float) (Configuration::getConfig('weeks_study') ?? 8);
    }

    public function getSchoolEndDate(): ?string
    {
        $raw = (string) (Configuration::getConfig('last_school_day') ?? '');
        if ($raw === '') {
            return null;
        }

        $timestamp = strtotime($raw);
        if ($timestamp === false) {
            return null;
        }

        return date('Y-m-d', $timestamp);
    }

    public function getFees(): array
    {
        return [
            'first_student_fee' => (float) (Configuration::getConfig('first_student_fee') ?? 350),
            'second_student_fee' => (float) (Configuration::getConfig('second_student_fee') ?? 200),
            'youth_fee' => (float) (Configuration::getConfig('youth_fee') ?? 180),
        ];
    }
}