<?php

namespace App\Models;

class SyncLog extends Model
{
    protected string $table = 'sync_logs';
    protected array $fillable = [
        'source_id',
        'sync_type',
        'status',
        'total_items',
        'processed_items',
        'new_items',
        'updated_items',
        'deleted_items',
        'errors',
        'message',
        'started_at',
        'completed_at'
    ];

    protected array $casts = [
        'errors' => 'array',
        'started_at' => 'datetime',
        'completed_at' => 'datetime'
    ];

    public static function getRecent(\PDO $pdo, int $limit = 10): array
    {
        $stmt = $pdo->prepare("
            SELECT sl.*, s.display_name as source_name
            FROM sync_logs sl
            JOIN sources s ON sl.source_id = s.id
            ORDER BY sl.created_at DESC
            LIMIT :limit
        ");
        $stmt->execute(['limit' => $limit]);
        return $stmt->fetchAll(\PDO::FETCH_ASSOC);
    }

    public function source()
    {
        return new Source($this->pdo);
    }

    public function markAsStarted(): void
    {
        $this->update($this->id, [
            'status' => 'started',
            'started_at' => date('Y-m-d H:i:s'),
            'message' => null,
            'errors' => null
        ]);
    }

    public function markAsCompleted(array $stats = []): void
    {
        $data = [
            'status' => 'completed',
            'completed_at' => date('Y-m-d H:i:s')
        ];

        if (!empty($stats)) {
            $data = array_merge($data, $stats);
        }

        $this->update($this->id, $data);
    }

    public function markAsFailed(string $errorMessage, array $errors = []): void
    {
        $this->update($this->id, [
            'status' => 'failed',
            'completed_at' => date('Y-m-d H:i:s'),
            'message' => $errorMessage,
            'errors' => !empty($errors) ? json_encode($errors) : null
        ]);
    }

    public function updateProgress(int $processed, int $new = 0, int $updated = 0, int $deleted = 0): void
    {
        $this->update($this->id, [
            'processed_items' => $processed,
            'new_items' => $new,
            'updated_items' => $updated,
            'deleted_items' => $deleted
        ]);
    }
}