<?php
namespace ActiveTwist\SEO\Admin;

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

use ActiveTwist\SEO\Settings\Options;

class AdminMenu
{
    private $settings_page;
    private $status_page;
    private $files_page;
    private $about_page;
    private $first_run_page;
    private $help_page;

    public function __construct(SettingsPage $settings_page, StatusPage $status_page, FilesPage $files_page, AboutPage $about_page, FirstRunPage $first_run_page, HelpPage $help_page)
    {
        $this->settings_page = $settings_page;
        $this->status_page = $status_page;
        $this->files_page = $files_page;
        $this->about_page = $about_page;
        $this->first_run_page = $first_run_page;
        $this->help_page = $help_page;
    }

    public function init()
    {
        add_action('admin_menu', [$this, 'register_menus']);
    }

    public function register_menus()
    {
        // 1. Create Top-Level Menu
        // Slug: Using 'active-twist-seo-status' to ensure Status is the default landing page.
        // Label: Active Twist SEO
        add_menu_page(
            esc_html__('Active Twist SEO', 'active-twist-seo-json-ld'),
            esc_html__('Active Twist SEO', 'active-twist-seo-json-ld'),
            'manage_options',
            'active-twist-seo-status',
            [$this->status_page, 'render_page'],
            'dashicons-chart-area',
            80
        );

        // Check First Run State
        $first_run_complete = Options::get('first_run_complete');

        if (!$first_run_complete) {
            // Add First Run Submenu (Top Priority)
            add_submenu_page(
                'active-twist-seo-status',
                esc_html__('First Run', 'active-twist-seo-json-ld'),
                esc_html__('First Run', 'active-twist-seo-json-ld'),
                'manage_options',
                'active-twist-seo-first-run',
                [$this->first_run_page, 'render_page']
            );
        }

        // 2. Add Status Submenu
        // Parent: active-twist-seo-status
        // Slug: active-twist-seo-status (Same as parent)
        // Label: Status
        // This will override the first submenu item (Active Twist SEO) to be "Status"
        // IF First Run is present, this actually becomes the second item, and First Run becomes the default slightly awkwardly
        // unless we change the parent slug logic.
        // Actually, if we want First Run to be the default when active, we should probably change the main menu callback or slug order.
        // But simply adding it as a submenu is enough for visibility per the requirement "appears at the top of the plugin menu".
        add_submenu_page(
            'active-twist-seo-status',
            esc_html__('Active Twist SEO Status', 'active-twist-seo-json-ld'),
            esc_html__('Status', 'active-twist-seo-json-ld'),
            'manage_options',
            'active-twist-seo-status',
            [$this->status_page, 'render_page']
        );

        // 3. Add Files Submenu
        // Parent: active-twist-seo-status
        // Slug: active-twist-seo-files
        // Label: Files
        add_submenu_page(
            'active-twist-seo-status',
            esc_html__('Active Twist SEO Files', 'active-twist-seo-json-ld'),
            esc_html__('Files', 'active-twist-seo-json-ld'),
            'manage_options',
            'active-twist-seo-files',
            [$this->files_page, 'render_page']
        );

        // 4. Add Settings Submenu
        // Parent: active-twist-seo-status
        // Slug: active-twist-seo (Legacy compatibility)
        // Label: Settings
        add_submenu_page(
            'active-twist-seo-status',
            esc_html__('Active Twist SEO Settings', 'active-twist-seo-json-ld'),
            esc_html__('Settings', 'active-twist-seo-json-ld'),
            'manage_options',
            'active-twist-seo',
            [$this->settings_page, 'render_page']
        );

        // 5. Add Help Submenu
        // Parent: active-twist-seo-status
        // Slug: active-twist-seo-help
        // Label: Help
        add_submenu_page(
            'active-twist-seo-status',
            esc_html__('Active Twist SEO Help', 'active-twist-seo-json-ld'),
            esc_html__('Help', 'active-twist-seo-json-ld'),
            'manage_options',
            'active-twist-seo-help',
            [$this->help_page, 'render_page']
        );

        // 5. Add About Submenu
        // Parent: active-twist-seo-status
        // Slug: active-twist-seo-about
        // Label: About
        // Rule: Must always be last in the plugin menu.
        add_submenu_page(
            'active-twist-seo-status',
            esc_html__('About Active Twist SEO', 'active-twist-seo-json-ld'),
            esc_html__('About', 'active-twist-seo-json-ld'),
            'manage_options',
            'active-twist-seo-about',
            [$this->about_page, 'render_page']
        );
    }
}