<?php
/**
 * Batch 23 — Contact Form 7 (wpcf7) tools. Net-new, GPL-2.0-or-later. See NOTICE.md.
 * Inert unless CF7 (WPCF7_VERSION) is active. Submissions require Flamingo.
 */

namespace AskTamMCP\Extensions;

defined('ABSPATH') || exit;

class Batch23 {

    public static function register($registry): void {
        if (!defined('WPCF7_VERSION')) return;

        $def = function (string $name, string $desc, array $props, array $required, string $scope, string $method) {
            $schema = ['type' => 'object', 'properties' => $props ?: new \stdClass()];
            if ($required) $schema['required'] = $required;
            return ['name' => $name, 'description' => $desc, 'scope' => $scope,
                    'handler' => 'AskTamMCP\\Extensions\\Batch23::' . $method, 'inputSchema' => $schema];
        };

        $registry->register($def('cf7_detect', 'Report whether Contact Form 7 is active and its version.', [], [], 'read', 'detect'));
        $registry->register($def('cf7_list_forms', 'List Contact Form 7 forms (id, title, slug).',
            ['per_page' => ['type' => 'integer', 'default' => 100]], [], 'read', 'listForms'));
        $registry->register($def('cf7_get_form', 'Get one Contact Form 7 form: title plus its form template markup.',
            ['form_id' => ['type' => 'integer']], ['form_id'], 'read', 'getForm'));
        $registry->register($def('cf7_list_submissions', 'List stored CF7 submissions. Requires the Flamingo plugin (CF7 does not store submissions on its own).',
            ['per_page' => ['type' => 'integer', 'default' => 50]], [], 'read', 'listSubmissions'));
    }

    public static function detect(array $args): array {
        return ['active' => defined('WPCF7_VERSION'), 'version' => defined('WPCF7_VERSION') ? WPCF7_VERSION : null];
    }

    public static function listForms(array $args): array {
        $posts = get_posts(['post_type' => 'wpcf7_contact_form', 'post_status' => 'publish',
            'numberposts' => (int) ($args['per_page'] ?? 100), 'orderby' => 'title', 'order' => 'ASC']);
        $out = [];
        foreach ($posts as $p) $out[] = ['id' => $p->ID, 'title' => $p->post_title, 'slug' => $p->post_name];
        return ['count' => count($out), 'forms' => $out];
    }

    public static function getForm(array $args): array {
        $id = (int) ($args['form_id'] ?? 0);
        $tpl = '';
        if (class_exists('WPCF7_ContactForm')) {
            $cf = \WPCF7_ContactForm::get_instance($id);
            if ($cf) { $tpl = (string) $cf->prop('form'); $title = $cf->title(); }
        }
        if (empty($title)) {
            $p = get_post($id);
            if (!$p || $p->post_type !== 'wpcf7_contact_form') throw new \RuntimeException("CF7 form not found: {$id}");
            $title = $p->post_title;
            if ($tpl === '') $tpl = (string) get_post_meta($id, '_form', true);
        }
        return ['id' => $id, 'title' => $title, 'template' => $tpl];
    }

    public static function listSubmissions(array $args): array {
        if (!post_type_exists('flamingo_inbound')) {
            return ['supported' => false, 'note' => 'CF7 stores no submissions by default. Install the Flamingo plugin to capture them.', 'submissions' => []];
        }
        $posts = get_posts(['post_type' => 'flamingo_inbound', 'post_status' => 'any',
            'numberposts' => (int) ($args['per_page'] ?? 50), 'orderby' => 'date', 'order' => 'DESC']);
        $out = [];
        foreach ($posts as $p) {
            $out[] = ['id' => $p->ID, 'subject' => $p->post_title, 'from' => get_post_meta($p->ID, '_from', true),
                'date' => $p->post_date, 'channel' => wp_get_post_terms($p->ID, 'flamingo_inbound_channel', ['fields' => 'names'])];
        }
        return ['supported' => true, 'count' => count($out), 'submissions' => $out];
    }
}