<?php
namespace api\blog;
use PDO;

require_once __DIR__ . "/../utils/config.php";

/**
 * Blog Data Class
 * Define all functions which either get, update, create or delete posts
 */
class blogData
{
    /**
     * Get all blog posts
     * @return array - Array of all blog posts or error message
     */
    function getBlogPosts(): array
    {
        $conn = dbConn();
        $stmt = $conn->prepare("SELECT ID, title, dateCreated, dateModified, body, tags FROM blog ORDER BY dateCreated DESC;");
        $stmt->execute();

        // set the resulting array to associative
        $result = $stmt->fetchAll(PDO::FETCH_ASSOC);

        if ($result)
        {
            return $result;
        }

        return array("errorMessage" => "Error, blog data not found");
    }

    /**
     * Get a blog post with the given ID
     * @param string $ID - ID of the blog post to get
     * @return array - Array of all blog posts or error message
     */
    function getBlogPost(string $ID): array
    {
        $conn = dbConn();
        $stmt = $conn->prepare("SELECT  ID, title, dateCreated, dateModified, featured, headerImg, body, tags FROM blog WHERE ID = :ID;");
        $stmt->bindParam(":ID", $ID);
        $stmt->execute();

        // set the resulting array to associative
        $result = $stmt->fetch(PDO::FETCH_ASSOC);

        if ($result)
        {
            return $result;
        }

        return array("errorMessage" => "Error, blog post could not found");
    }

    /**
     * Get the latest blog post
     * @return array - Array of the latest blog post or error message
     */
    function getLatestBlogPost(): array
    {
        $conn = dbConn();
        $stmt = $conn->prepare("SELECT ID, title, dateCreated, dateModified, featured, headerImg, body, tags FROM blog ORDER BY dateCreated DESC LIMIT 1;");
        $stmt->execute();

        // set the resulting array to associative
        $result = $stmt->fetch(PDO::FETCH_ASSOC);

        if ($result)
        {
            return $result;
        }

        return array("errorMessage" => "Error, blog post could not found");
    }

    /**
     * Get featured blog post
     * @return array - Array of the featured blog post or error message
     */
    function getFeaturedBlogPost(): array
    {
        $conn = dbConn();
        $stmt = $conn->prepare("SELECT ID, title, dateCreated, dateModified, featured, headerImg, body, tags FROM blog WHERE featured = 1;");
        $stmt->execute();

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

        if ($result)
        {
            return $result;
        }

        return array("errorMessage" => "Error, blog post could not found");
    }
}