<?php

add_filter( 'adfoin_action_providers', 'adfoin_emailoctopus_actions', 10, 1 );

function adfoin_emailoctopus_actions( $actions ) {

    $actions['emailoctopus'] = array(
        'title' => __( 'EmailOctopus', 'advanced-form-integration' ),
        'tasks' => array(
            'subscribe'   => __( 'Subscribe To List', 'advanced-form-integration' )
        )
    );

    return $actions;
}

add_filter( 'adfoin_settings_tabs', 'adfoin_emailoctopus_settings_tab', 10, 1 );

function adfoin_emailoctopus_settings_tab( $providers ) {
    $providers['emailoctopus'] = __( 'EmailOctopus', 'advanced-form-integration' );

    return $providers;
}

add_action( 'adfoin_settings_view', 'adfoin_emailoctopus_settings_view', 10, 1 );

function adfoin_emailoctopus_settings_view( $current_tab ) {
    if( $current_tab != 'emailoctopus' ) {
        return;
    }

    if ( ! class_exists( 'ADFOIN_Account_Manager' ) ) {
        require_once plugin_dir_path( __FILE__ ) . '../../includes/class-adfoin-account-manager.php';
    }

    $fields = array(
        array( 
            'name' => 'apiKey', 
            'label' => __( 'EmailOctopus API Key', 'advanced-form-integration' ), 
            'type' => 'text', 
            'required' => true,
            'mask' => true,
            'placeholder' => __( 'Enter your API Key', 'advanced-form-integration' ),
            'show_in_table' => true
        )
    );

    $instructions = sprintf(
        '<p><a href="https://emailoctopus.com/api-documentation/v2" target="_blank" rel="noopener noreferrer">%s</a></p>',
        __('Click here to the get API Key', 'advanced-form-integration')
    );

    ADFOIN_Account_Manager::render_settings_view( 'emailoctopus', __( 'EmailOctopus', 'advanced-form-integration' ), $fields, $instructions );
}

add_action( 'wp_ajax_adfoin_get_emailoctopus_credentials', 'adfoin_get_emailoctopus_credentials', 10, 0 );
/*
 * Get EmailOctopus credentials
 */
function adfoin_get_emailoctopus_credentials() {
    if ( ! class_exists( 'ADFOIN_Account_Manager' ) ) {
        require_once plugin_dir_path( __FILE__ ) . '../../includes/class-adfoin-account-manager.php';
    }
    ADFOIN_Account_Manager::ajax_get_credentials_list( 'emailoctopus' );
}

add_action( 'wp_ajax_adfoin_save_emailoctopus_credentials', 'adfoin_save_emailoctopus_credentials', 10, 0 );
/*
 * Save EmailOctopus credentials
 */
function adfoin_save_emailoctopus_credentials() {
    if ( ! class_exists( 'ADFOIN_Account_Manager' ) ) {
        require_once plugin_dir_path( __FILE__ ) . '../../includes/class-adfoin-account-manager.php';
    }
    ADFOIN_Account_Manager::ajax_save_credentials( 'emailoctopus', array( 'apiKey' ) );
}

/*
 * EmailOctopus Credentials List
 */
function adfoin_emailoctopus_get_credentials_list() {
    $credentials = adfoin_read_credentials( 'emailoctopus' );

    foreach ($credentials as $option) {
        printf('<option value="%s">%s</option>', esc_attr($option['id']), esc_html($option['title']));
    }
}

// Legacy single-account import: surfaces old `adfoin_emailoctopus_*` options
// as a Legacy Account record when the new credentials store is empty.
add_action( 'plugins_loaded', function() {
    if ( class_exists( 'ADFOIN_Account_Manager' ) ) {
        ADFOIN_Account_Manager::register_legacy_option_importer( 'emailoctopus', array(
            'apiKey' => 'adfoin_emailoctopus_api_key',
        ) );
    }
}, 20 );

// Deprecated - kept for backward compatibility
add_action( 'admin_post_adfoin_save_emailoctopus_api_key', 'adfoin_save_emailoctopus_api_key', 10, 0 );

function adfoin_save_emailoctopus_api_key() {
    // Security Check
    // Authorization check
    adfoin_require_manage_options();

    if (! wp_verify_nonce( $_POST['_nonce'], 'adfoin_emailoctopus_settings' ) ) {
        die( __( 'Security check Failed', 'advanced-form-integration' ) );
    }

    $api_key = sanitize_text_field( wp_unslash( $_POST['adfoin_emailoctopus_api_key'] ) );

    // Save tokens
    update_option( 'adfoin_emailoctopus_api_key', $api_key );

    advanced_form_integration_redirect( 'admin.php?page=advanced-form-integration-settings&tab=emailoctopus' );
}

/*
 * EmailOctopus API Request
 */
function adfoin_emailoctopus_request( $endpoint, $method = 'GET', $data = array(), $record = array(), $cred_id = '' ) {
    $credentials = adfoin_get_credentials_by_id( 'emailoctopus', $cred_id );
    $api_key = isset( $credentials['apiKey'] ) ? $credentials['apiKey'] : '';

    // Backward compatibility: fallback to old options if credentials not found
    if( empty( $api_key ) ) {
        $api_key = get_option( 'adfoin_emailoctopus_api_key' ) ? get_option( 'adfoin_emailoctopus_api_key' ) : '';
    }

    if( !$api_key ) {
        return array();
    }

    $base_url = 'https://api.emailoctopus.com/';
    $url      = $base_url . $endpoint;

    $args = array(
        'timeout' => 30,
        'method'  => $method,
        'headers' => array(
            'Content-Type' => 'application/json',
            'Authorization' => 'Bearer ' . $api_key
        ),
    );

    if ('POST' == $method || 'PUT' == $method || 'PATCH' == $method) {
        $args['body'] = wp_json_encode($data);
    }

    $response = wp_remote_request($url, $args);

    // Defensive 429 retry: EmailOctopus v2 enforces per-token rate limits.
    // Retry once after a short back-off (honoring Retry-After if present).
    if ( 429 == (int) wp_remote_retrieve_response_code( $response ) ) {
        $retry_after = wp_remote_retrieve_header( $response, 'retry-after' );
        $wait        = is_numeric( $retry_after ) ? (int) $retry_after : 2;

        if ( $wait < 1 ) {
            $wait = 1;
        }
        if ( $wait > 30 ) {
            $wait = 30;
        }

        sleep( $wait );
        $response = wp_remote_request( $url, $args );
    }

    if ($record) {
        adfoin_add_to_log( $response, $url, $args, $record );
    }

    return $response;
}

add_action( 'adfoin_add_js_fields', 'adfoin_emailoctopus_js_fields', 10, 1 );

function adfoin_emailoctopus_js_fields( $field_data ) { }

add_action( 'adfoin_action_fields', 'adfoin_emailoctopus_action_fields' );

function adfoin_emailoctopus_action_fields() {
    ?>
    <script type="text/template" id="emailoctopus-action-template">
        <table class="form-table">
            <tr valign="top" v-if="action.task == 'subscribe'">
                <th scope="row">
                    <?php esc_attr_e( 'Map Fields', 'advanced-form-integration' ); ?>
                </th>
                <td scope="row">

                </td>
            </tr>

            <tr valign="top" class="alternate" v-if="action.task == 'subscribe'">
                <td scope="row-title">
                    <label for="tablecell">
                        <?php esc_attr_e( 'EmailOctopus Account', 'advanced-form-integration' ); ?>
                    </label>
                </td>
                <td>
                    <select name="fieldData[credId]" v-model="fielddata.credId" @change="getData">
                        <option value=""> <?php _e( 'Select Account...', 'advanced-form-integration' ); ?> </option>
                        <option v-for="cred in credentialsList" :value="cred.id">{{ cred.title }}</option>
                    </select>
                    <a href="<?php echo admin_url( 'admin.php?page=advanced-form-integration-settings&tab=emailoctopus' ); ?>" target="_blank" style="margin-left: 10px; text-decoration: none;">
                        <span class="dashicons dashicons-admin-settings" style="margin-top: 3px;"></span> <?php esc_html_e( 'Manage Accounts', 'advanced-form-integration' ); ?>
                    </a>
                    <div class="afi-spinner" v-bind:class="{'is-active': credentialLoading}"></div>
                </td>
            </tr>

            <tr valign="top" class="alternate" v-if="action.task == 'subscribe'">
                <td scope="row-title">
                    <label for="tablecell">
                        <?php esc_attr_e( 'EmailOctopus List', 'advanced-form-integration' ); ?>
                    </label>
                </td>
                <td>
                    <select name="fieldData[listId]" v-model="fielddata.listId" required="required">
                        <option value=""> <?php _e( 'Select List...', 'advanced-form-integration' ); ?> </option>
                        <option v-for="(item, index) in fielddata.list" :value="index" > {{item}}  </option>
                    </select>
                    <div class="afi-spinner" v-bind:class="{'is-active': listLoading}"></div>
                </td>
            </tr>

            <tr valign="top" class="alternate" v-if="action.task == 'subscribe'">
                <td scope="row-title">
                    <label for="tablecell">
                        <?php esc_attr_e( 'Double Opt-in', 'advanced-form-integration' ); ?>
                    </label>
                </td>
                <td>
                    <input type="checkbox" value="true" name="fieldData[doubleoptin]" v-model="fielddata.doubleoptin">
                </td>
            </tr>

            <editable-field v-for="field in fields" v-bind:key="field.value" v-bind:field="field" v-bind:trigger="trigger" v-bind:action="action" v-bind:fielddata="fielddata"></editable-field>

            <?php adfoin_pro_feature_notice( 'subscribe', 'EmailOctopus [PRO]', 'custom fields and update contact' ); ?>
        </table>
    </script>


    <?php
}

add_action( 'wp_ajax_adfoin_get_emailoctopus_list', 'adfoin_get_emailoctopus_list', 10, 0 );

/*
 * Get emailoctopus subscriber lists
 */
function adfoin_get_emailoctopus_list() {
    // Security Check (capability + nonce, with isset/unslash/sanitize)
    adfoin_verify_nonce();

    $cred_id = isset( $_POST['credId'] ) ? sanitize_text_field( wp_unslash( $_POST['credId'] ) ) : '';
    $data = adfoin_emailoctopus_request( 'lists', 'GET', array(), array(), $cred_id );

    if( is_wp_error( $data ) || empty( $data['body'] ) ) {
        wp_send_json_error();
    }

    $body = json_decode( $data['body'] );

    if( ! isset( $body->data ) || ! is_array( $body->data ) ) {
        wp_send_json_error();
    }

    $lists = wp_list_pluck( $body->data, 'name', 'id' );

    wp_send_json_success( $lists );
}

add_action( 'adfoin_emailoctopus_job_queue', 'adfoin_emailoctopus_job_queue', 10, 1 );

function adfoin_emailoctopus_job_queue( $data ) {
    adfoin_emailoctopus_send_data( $data['record'], $data['posted_data'] );
}

/*
 * Handles sending data to emailoctopus API
 */
function adfoin_emailoctopus_send_data( $record, $posted_data ) {

    $record_data = json_decode( $record['data'], true );

    if ( adfoin_check_conditional_logic( $record_data['action_data']['cl'] ?? array(), $posted_data ) ) {
        return;
    }

    $data         = $record_data['field_data'];
    $cred_id      = isset( $data['credId'] ) ? $data['credId'] : '';
    $list_id      = $data['listId'];
    $task         = $record['task'];
    $doubleoption = isset( $data['doubleoptin'] ) ? $data['doubleoptin'] : '';
    $email        = empty( $data['email'] ) ? '' : adfoin_get_parsed_values($data['email'], $posted_data);

    // Backward compatibility: if no cred_id, use first available credential
    if( empty( $cred_id ) ) {
        $all_credentials = adfoin_read_credentials( 'emailoctopus' );
        if( !empty( $all_credentials ) ) {
            $cred_id = $all_credentials[0]['id'];
        }
    }

    if( $task == 'subscribe' ) {
        $first_name = empty( $data['firstName'] ) ? '' : adfoin_get_parsed_values($data['firstName'], $posted_data);
        $last_name  = empty( $data['lastName'] ) ? '' : adfoin_get_parsed_values($data['lastName'], $posted_data);

        $subscriber_data = array(
            'email_address' => trim( $email ),
            'fields' => array(
                'FirstName' => $first_name,
                'LastName'  => $last_name
            )
        );

        // For v2 API, double opt-in is controlled by the subscribed parameter
        if( 'true' == $doubleoption ) {
            $subscriber_data['subscribed'] = false; // Will send confirmation email
        } else {
            $subscriber_data['subscribed'] = true; // Direct subscription
        }

        // The request helper already logs the response (via the logging
        // helper) when $record is non-empty; the job-queue runner discards
        // return values from send_data, so no array(1)/array(0,...) bookkeeping
        // is needed here (and accessing $return['response']['code'] on a
        // WP_Error would throw a notice).
        adfoin_emailoctopus_request( "lists/{$list_id}/contacts", 'POST', $subscriber_data, $record, $cred_id );
    }
}