<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Registration extends Model
{
    protected $fillable = [
        'full_name',
        'phone',
        'passing_year',
        'participation_type',
        'food_type',
        'guests',
        'base_fee',
        'discount',
        'guest_fee',
        'grand_total',
        'payment_screenshot_path',
    ];

    public const TYPE_FULL_TIME = 'full_time';
    public const TYPE_TILL_NOON = 'till_noon';

    public const FOOD_NON_VEG = 'non_veg';
    public const FOOD_VEG = 'veg';

    public static function allowedParticipationTypes(): array
    {
        return [self::TYPE_FULL_TIME, self::TYPE_TILL_NOON];
    }

    public static function allowedFoodTypes(): array
    {
        return [self::FOOD_NON_VEG, self::FOOD_VEG];
    }

    /**
     * Base fee pricing.
     *
     * Implemented (logical correction):
     * - Full Time + year < 2015  => 1000
     * - Till Noon + year < 2015  => 500
     * - Full Time + year >= 2015 => 500
     * - Till Noon + year >= 2015 => 300
     */
    public static function baseFee(string $participationType, int $passingYear): int
    {
        $isOldBatch = $passingYear < 2015;

        if ($participationType === self::TYPE_FULL_TIME && $isOldBatch) {
            return 1000;
        }
        if ($participationType === self::TYPE_TILL_NOON && $isOldBatch) {
            return 500;
        }
        if ($participationType === self::TYPE_FULL_TIME && !$isOldBatch) {
            return 500;
        }
        // Till Noon + year >= 2015
        return 300;
    }
}