<?php
if ( ! defined( 'ABSPATH' ) ) exit;

/**
 * ACQUIS_Integration_Manager
 *
 * Central dispatcher that fires all enabled integrations after a lead is captured.
 * Called from ACQUIS_Lead_Handler after a successful lead insert + token generation.
 */
class ACQUIS_Integration_Manager {

    /**
     * Run all enabled integrations for a new lead.
     *
     * @param  int    $lead_id
     * @param  string $email
     * @param  string $full_name
     * @param  string $download_url
     * @param  array  $file
     * @param  int    $form_id       Optional. The custom form (if any) this lead came
     *                                through, used to look up a per-form email template.
     * @param  array  $custom_fields Optional. field_key => submitted value, passed through
     *                                to the email engine so a form's custom template can
     *                                reference its own fields as {field_key} tags.
     */
    public static function dispatch( $lead_id, $email, $full_name, $download_url, $file, $form_id = 0, $custom_fields = array() ) {
        // ── 1. Email Delivery ──────────────────────────────────────────────
        // ACQUIS_Email_Engine::send() picks the right template on its own:
        // a form-level override (Email tab), else the standalone-forms
        // global default (for a submission with no file), else the
        // file-download global default. See its pick_template() helper.
        $delivery_mode = get_option( 'acquis_delivery_mode', 'both' );
        if ( in_array( $delivery_mode, array( 'email', 'both' ), true ) ) {
            ACQUIS_Email_Engine::send( $lead_id, $full_name, $email, $download_url, $file, $form_id, $custom_fields );
        }

        // ── 2. Mailchimp ───────────────────────────────────────────────────
        if ( ACQUIS_Mailchimp::is_enabled() ) {
            ACQUIS_Mailchimp::subscribe( $lead_id, $email, $full_name );
        }

        // ── 3. MailWizz ────────────────────────────────────────────────────
        if ( ACQUIS_Mailwizz::is_enabled() ) {
            // Build extra fields from mapped options
            $extra = self::build_mailwizz_extra_fields( $lead_id, $email, $full_name, $file );
            ACQUIS_Mailwizz::subscribe( $lead_id, $email, $full_name, $extra );
        }

        // ── 4. Brevo ───────────────────────────────────────────────────────
        if ( ACQUIS_Brevo::is_enabled() ) {
            ACQUIS_Brevo::subscribe( $lead_id, $email, $full_name );
        }

        // ── 5. Extensibility hook (add your own integrations) ──────────────
        // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
            do_action( 'acquis_integrations_dispatched', $lead_id, $email, $full_name, $download_url, $file );
    }

    /**
     * Build extra MailWizz custom fields from the saved mapping.
     * Setting: acquis_mailwizz_custom_fields = [['tag'=>'FIELD_TAG','source'=>'file_name'], ...]
     */
    private static function build_mailwizz_extra_fields( $lead_id, $email, $full_name, $file ) {
        $field_map = get_option( 'acquis_mailwizz_custom_fields', array() );
        $extra     = array();

        if ( ! is_array( $field_map ) ) return $extra;

        $source_values = array(
            'email'     => $email,
            'full_name' => $full_name,
            'file_name' => $file['title'] ?? '',
            'file_ext'  => $file['ext']   ?? '',
            'site_name' => get_bloginfo( 'name' ),
            'site_url'  => home_url(),
        );

        foreach ( $field_map as $mapping ) {
            if ( empty( $mapping['tag'] ) || empty( $mapping['source'] ) ) continue;
            $tag    = sanitize_text_field( $mapping['tag'] );
            $source = sanitize_text_field( $mapping['source'] );
            if ( isset( $source_values[ $source ] ) ) {
                $extra[ $tag ] = $source_values[ $source ];
            }
        }

        return $extra;
    }
}