<?php

namespace App\Rules;

use App\Models\Student;
use Closure;
use Illuminate\Contracts\Validation\ValidationRule;
use Illuminate\Translation\PotentiallyTranslatedString;

class UniqueFullNameAtSchool implements ValidationRule
{
    protected string $first_name;

    protected string $last_name;

    protected int $school_id;

    public function __construct($firstName, $lastName, $schoolID)
    {
        $this->first_name = $firstName;
        $this->last_name = $lastName;
        $this->school_id = $schoolID;
    }

    public function studentExists(): bool
    {
        return Student::where('first_name', $this->first_name)
            ->where('last_name', $this->last_name)
            ->where('school_id', $this->school_id)
            ->exists();
    }

    public function message(): string
    {
        return 'There is already a student with that name at the school you are trying to add them to';
    }

    /**
     * Run the validation rule.
     *
     * @param  Closure(string): PotentiallyTranslatedString  $fail
     */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if ($this->studentExists()) {
            $fail($this->message());
        }
    }
}