<?php
namespace App\Models\Qc;

use App\Models\BaseModel;

class ResultCommentsModel extends BaseModel {
    protected $table = 'result_comments';
    protected $primaryKey = 'result_comment_id';
    protected $allowedFields = [
        'control_id',
        'test_id',
        'comment_month',
        'com_text',
        'created_at',
        'updated_at',
        'deleted_at'
    ];
    protected $useTimestamps = true;
    protected $useSoftDeletes = true;

    public function search($keyword = null) {
        if ($keyword) {
            return $this->groupStart()
                ->like('comment_month', $keyword)
                ->orLike('com_text', $keyword)
                ->groupEnd()
                ->findAll();
        }
        return $this->findAll();
    }

    /**
     * Get comments by control, test and month
     */
    public function getByControlTestMonth(int $controlId, int $testId, string $month): ?array {
        return $this->where('control_id', $controlId)
            ->where('test_id', $testId)
            ->where('comment_month', $month)
            ->where('deleted_at', null)
            ->first();
    }

    /**
     * Get all comments for a test and month
     */
    public function getByTestMonth(int $testId, string $month): array {
        return $this->where('test_id', $testId)
            ->where('comment_month', $month)
            ->where('deleted_at', null)
            ->findAll();
    }

    /**
     * Upsert comment (insert or update based on control/test/month)
     */
    public function upsertComment(array $data): int {
        $existing = $this->where('control_id', $data['control_id'])
            ->where('test_id', $data['test_id'])
            ->where('comment_month', $data['comment_month'])
            ->where('deleted_at', null)
            ->first();

        if ($existing) {
            if (empty($data['com_text'])) {
                // If text is empty, soft delete
                $this->update($existing['result_comment_id'], ['deleted_at' => date('Y-m-d H:i:s')]);
                return $existing['result_comment_id'];
            }
            $this->update($existing['result_comment_id'], $data);
            return $existing['result_comment_id'];
        } else {
            if (empty($data['com_text'])) {
                return 0; // Don't insert empty comments
            }
            return $this->insert($data, true);
        }
    }
}