<?php

namespace WizdomNetworks\WizeWeb\Models;

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

/**
 * Contact Model
 * 
 * Handles database operations related to contacts.
 */
class ContactModel
{
    private $db;

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

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

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

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

            Logger::info("[DEBUG] Contact data retrieved: " . json_encode($contact));

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

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

            $stmt = $this->db->prepare(
                "INSERT INTO contacts (name, email, message) VALUES (:name, :email, :message)"
            );
            $stmt->bindParam(':name', $contactData['name']);
            $stmt->bindParam(':email', $contactData['email']);
            $stmt->bindParam(':message', $contactData['message']);

            $stmt->execute();

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

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

    /**
     * Delete a contact by ID.
     * 
     * @param int $id
     * @return bool
     */
    public function deleteContactById(int $id): bool
    {
        try {
            Logger::info("[DEBUG] Deleting contact with ID: $id");

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

            Logger::info("[DEBUG] Contact with ID $id successfully deleted.");

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