<?php

namespace WizdomNetworks\WizeWeb\Models;

use WizdomNetworks\WizeWeb\Utils\Logger;
use WizdomNetworks\WizeWeb\Utils\ErrorHandler;

/**
 * Service Model
 * 
 * Handles database operations related to services.
 */
class ServiceModel
{
    private $db;

    public function __construct($db)
    {
        $this->db = $db;
    }

    /**
     * Get all services.
     * 
     * @return array
     */
    public function getAllServices(): array
    {
        try {
            Logger::info("[DEBUG] Fetching all services");

            $stmt = $this->db->query("SELECT * FROM services");
            $services = $stmt->fetchAll(\PDO::FETCH_ASSOC);

            Logger::info("[DEBUG] Retrieved services: " . json_encode($services));

            return $services;
        } catch (\Exception $e) {
            Logger::error("[ERROR] Failed to fetch services: " . $e->getMessage());
            ErrorHandler::exception($e);
            return [];
        }
    }

    /**
     * Get a service by ID.
     * 
     * @param int $id
     * @return array|null
     */
    public function getServiceById(int $id): ?array
    {
        try {
            Logger::info("[DEBUG] Fetching service with ID: $id");

            $stmt = $this->db->prepare("SELECT * FROM services WHERE id = :id");
            $stmt->bindParam(':id', $id, \PDO::PARAM_INT);
            $stmt->execute();

            $service = $stmt->fetch(\PDO::FETCH_ASSOC);

            Logger::info("[DEBUG] Service data retrieved: " . json_encode($service));

            return $service ?: null;
        } catch (\Exception $e) {
            Logger::error("[ERROR] Failed to fetch service with ID $id: " . $e->getMessage());
            ErrorHandler::exception($e);
            return null;
        }
    }

    /**
     * Add a new service to the database.
     * 
     * @param array $serviceData
     * @return bool
     */
    public function addService(array $serviceData): bool
    {
        try {
            Logger::info("[DEBUG] Adding new service: " . json_encode($serviceData));

            $stmt = $this->db->prepare(
                "INSERT INTO services (name, description, price) VALUES (:name, :description, :price)"
            );
            $stmt->bindParam(':name', $serviceData['name']);
            $stmt->bindParam(':description', $serviceData['description']);
            $stmt->bindParam(':price', $serviceData['price']);

            $stmt->execute();

            Logger::info("[DEBUG] Service successfully added.");

            return true;
        } catch (\Exception $e) {
            Logger::error("[ERROR] Failed to add service: " . $e->getMessage());
            ErrorHandler::exception($e);
            return false;
        }
    }
}