<?php

namespace App\Models;

use App\Models\BaseModel;

class MidtermExam extends BaseModel
{
    protected $table = 'midterm_exam';
    protected $primaryKey       = 'id';
    protected $useAutoIncrement = true;
    protected $useSoftDeletes   = false;
    protected $protectFields    = true;
    protected $fillable = [
        'student_id',
        'school_id',
        'class_section_id',
        'updated_by',
        'score',
        'comment',
        'semester',
        'school_year',
        'created_at',
        'updated_at',
    ];

    protected bool $allowEmptyInserts = false;
    protected bool $updateOnlyChanged = true;

    protected $casts = [];
    protected $castHandlers = [];

    // Dates
    public $timestamps = true;
    protected $dateFormat    = 'datetime';
    const CREATED_AT = 'created_at';
    const UPDATED_AT = 'updated_at';
    protected $deletedField  = 'deleted_at';

    // Validation
    protected $validationRules      = [];
    protected $validationMessages   = [];
    protected $skipValidation       = false;
    protected $cleanValidationRules = true;

    // Callbacks
    protected $allowCallbacks = true;
    protected $beforeInsert   = [];
    protected $afterInsert    = [];
    protected $beforeUpdate   = [];
    protected $afterUpdate    = [];
    protected $beforeFind     = [];
    protected $afterFind      = [];
    protected $beforeDelete   = [];
    protected $afterDelete    = [];

    // Function to get the final exam score for a specific student, semester, and school year
    public function getMidtermExamScore($studentId, $schoolYear)
    {
        // Query the final_score table for the final exam score based on student ID, semester, and school year
        $result = $this->select('score')  // We only need the score
                       ->where('student_id', $studentId)
                       ->where('school_year', $schoolYear)
                       ->first();  // Get the first matching result

        // Return the score, or null if no result is found
        return $result ? $result['score'] : null;
    }
}