<?php

if (!defined('ABSPATH')) {
	exit;
}

/**
 * Outputs the name according to whether they wish to share it or not
 * DUPLICATE. See which method we like better
 * @param int $userID
 *
 * @return string
 */
function jvbShareName(int $userID):string
{
    $cache = new JVBase\managers\CacheManager('usernames');
    $cached = $cache->get($userID);
    if ($cached) {
        return $cached;
    }
    $check = get_user_meta($userID, BASE.'notify', true);
    $name = ($check) ? get_userdata($userID)->display_name : 'Someone';
    $cache->set($userID, $name);

    return $name;
}

/**
 * @param string $first_name
 *
 * @return WP_User|false
 */
function jvbGetUserByFirstName(string $first_name):WP_User|false
{
    $cache = new JVBase\managers\CacheManager;
    $cached = $cache->get('user_first_names')??[];
    if (in_array($first_name, $cached)) {
        return get_userdata(array_search($first_name, $cached));
    }
    $args = [
        'post_type' => BASE . 'artist',
        'posts_per_page' => 1,
        'fields' => 'ids',
        'meta_query' => [
            [
                'key' => BASE . 'first_name',
                'value' => $first_name,
                'compare' => '='
            ]
        ]
    ];

    $query = new WP_Query($args);

    if ($query->have_posts()) {
        $post_id = $query->posts[0];
        $user_id = get_post_meta($post_id, BASE . 'link', true);
        $user = get_userdata($user_id)?:false;
        $cached[$user_id] = $first_name;
        $cache->set('user_first_names', $cached);
        return $user;
    }

    return false;
}

/**
 * @param string $display_name
 *
 * @return WP_User|false
 */
function jvbGetUserByDisplayName(string $display_name):WP_User|false
{
    $cache = new JVBase\managers\CacheManager('users');
    $cached = $cache->get('user_display_names')??[];

    if (in_array($display_name, $cached)) {
        return get_userdata(array_search($display_name, $cached));
    }

    $args = [
        'post_type' => BASE . 'artist',
        'title' => $display_name,
        'posts_per_page' => 1,
        'fields' => 'ids'
    ];

    $query = new WP_Query($args);

    if ($query->have_posts()) {
        $post_id = $query->posts[0];
        $user_id = get_post_meta($post_id, BASE . 'link', true);

        $user = get_userdata($user_id)?:false;
        $cached[$user_id] = $display_name;
        $cache->set('user_display_names', $cached);
        return $user;
    }

    return false;
}

/**
 * Get user name, generally for notification messages
 *
 * @param int $user_id User ID
 *
 * @return string User display name or "Someone" for anonymous
 */
function jvbGetUsername(int $user_id):string
{
    $key = 'user_display_names';
    $cache = new JVBase\managers\CacheManager('users', WEEK_IN_SECONDS);
    $cached_names = $cache->get($key, 'user_data');
    $cached_names = $cached_names ?: [];

    if (array_key_exists($user_id, $cached_names)) {
        return $cached_names[$user_id];
    }

    $permission = get_user_meta($user_id, BASE.'notify', true);
    if ($permission === false) {
        $cached_names[$user_id] = 'Someone';
        $cache->set($key, $cached_names, 'user_data');
        return 'Someone';
    }

    $display_name = get_userdata($user_id)?->display_name;
    if ($display_name) {
        $cached_names[$user_id] = $display_name;
        $cache->set($key, $cached_names, 'user_data');
        return $display_name;
    }
    return false;
}

/**
 * Gets artist data from user_id. Can return everything, or a specific item
 * @param int $userID
 * @param string $return
 *
 * @return array|string
 */
function jvbContentFromUser(int $userID, string $return = 'all'):array|string
{
    if (!in_array(
        $return,
        [
            'all',
            'id',
            'name',
            'display_name',
            'url',
            'type',
            'city',
            'shop'
        ]
    )) {
        return false;
    }

    $handler = new JVBase\managers\CacheManager('artist', 3600);
    $handler->invalidateGroup('artist');
    $key = $userID;

    $cache = $handler->get($key);
    $cache = false;
    if ($cache) {
        return match ($return) {
            'id' => $cache['id'],
            'name' => $cache['name'],
            'display_name' => $cache['display_name'],
            'url' => $cache['url'],
            'type' => $cache['type'],
            'shop' => $cache['shop'],
            'city' => $cache['city'],
            default => $cache,
        };
    }

    if (!get_userdata($userID)) {
        return [];
    }
    $id = (int) get_user_meta($userID, BASE.'link', true);

    $artist =  [
        'id'    => $id,
        'name'    => get_post_meta($id, BASE.'first_name', true),
        'display_name'    => get_userdata($userID)->display_name,
        'url'    => get_the_permalink($id),
        'type'    => jvbGetArtistTerm($id, 'type'),
        'city'    => jvbGetArtistTerm($id, 'city'),
        'shop'    => jvbGetArtistTerm($id, 'shop'),
    ];

    $handler->set($key, $artist);

    return match ($return) {
        'id' => $artist['id'],
        'name' => $artist['name'],
        'display_name' => $artist['display_name'],
        'url' => $artist['url'],
        'type' => $artist['type'],
        'shop' => $artist['shop'],
        'city' => $artist['city'],
        default => $artist,
    };
}

function jvbUserRole(int $ID = 0):string
{
	if (!is_user_logged_in()) {
		return '';
	}
    if ($ID === 0) {
        if (current_user_can('manage_options')) {
            return 'admin';
        }
    }
    $user = ($ID === 0) ? wp_get_current_user() : get_userdata($ID);

	if (user_can($user, 'manage_options')) {
		return 'admin';
	}
    return array_values(array_intersect(
        array_keys(JVB_USER),
        array_map(function ($role) {
            return jvbNoBase($role);
        },
        $user->roles)
    ))[0];
}