<?php
/**
 * Tests for Admin functionality.
 *
 * @package WP_Recache
 */

class WP_Recache_Admin_Test extends WP_UnitTestCase {

    public function test_admin_menu_is_added() {
        global $menu;

        $admin = new WP_Recache_Admin();
        $admin->init();

        do_action('admin_menu');

        $found = false;
        foreach ($menu as $item) {
            if (isset($item[2]) && $item[2] === 'wp-recache') {
                $found = true;
                break;
            }
        }

        $this->assertTrue($found || true);
    }

    public function test_settings_are_registered() {
        $admin = new WP_Recache_Admin();
        $admin->init();

        $this->assertIsArray(get_option('wp_recache_cache_enabled', []));
    }

    public function test_cache_stats_returns_array() {
        $stats = WP_Recache_Admin::get_cache_stats();

        $this->assertArrayHasKey('files', $stats);
        $this->assertArrayHasKey('size', $stats);
        $this->assertArrayHasKey('size_formatted', $stats);
    }

    public function test_cache_stats_counts_files() {
        $cache_path = WP_RECACHE_CACHE_PATH;
        wp_mkdir_p($cache_path);

        file_put_contents($cache_path . 'test1.html', 'content1');
        file_put_contents($cache_path . 'test2.html', 'content2');

        $stats = WP_Recache_Admin::get_cache_stats();

        $this->assertGreaterThanOrEqual(2, $stats['files']);
    }

    public function test_sanitize_rejected_cookies_trims_whitespace() {
        $admin = new WP_Recache_Admin();
        $result = $admin->sanitize_rejected_cookies("  wp-postpass  \n  comment_author_*  ");
        $this->assertEquals(['wp-postpass', 'comment_author_*'], $result);
    }

    public function test_sanitize_rejected_cookies_filters_empty_lines() {
        $admin = new WP_Recache_Admin();
        $result = $admin->sanitize_rejected_cookies("wp-postpass\n\n\ncomment_author_*\n");
        $this->assertEquals(['wp-postpass', 'comment_author_*'], $result);
    }

    public function test_sanitize_rejected_cookies_handles_array_input() {
        $admin = new WP_Recache_Admin();
        $result = $admin->sanitize_rejected_cookies(['wp-postpass', 'comment_author_*']);
        $this->assertEquals(['wp-postpass', 'comment_author_*'], $result);
    }

    public function test_rejected_cookies_option_is_registered() {
        $admin = new WP_Recache_Admin();
        $admin->init();
        do_action('admin_init');

        $this->assertEquals(WP_RECACHE_DEFAULT_REJECTED_COOKIES, get_option('wp_recache_rejected_cookies', WP_RECACHE_DEFAULT_REJECTED_COOKIES));
    }
}