<?php

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

function adfoin_getresponse_actions( $actions ) {

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

    return $actions;
}

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

function adfoin_getresponse_settings_tab( $providers ) {
    $providers['getresponse'] = __( 'GetResponse', 'advanced-form-integration' );

    return $providers;
}

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

function adfoin_getresponse_settings_view( $current_tab ) {
    if ( $current_tab != 'getresponse' ) {
        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'         => __( '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>%s</p><p><strong>%s</strong> %s</p>',
        __( 'Go to <a href="https://app.getresponse.com/api" target="_blank">GetResponse API Settings</a> to get your API Key.', 'advanced-form-integration' ),
        __( 'Note:', 'advanced-form-integration' ),
        __( 'Unused GetResponse API keys expire after 90 days. Generate a new key if authentication stops working.', 'advanced-form-integration' )
    );

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

add_action( 'wp_ajax_adfoin_get_getresponse_credentials', 'adfoin_get_getresponse_credentials', 10, 0 );
/*
 * Get GetResponse credentials
 */
function adfoin_get_getresponse_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( 'getresponse' );
}

add_action( 'wp_ajax_adfoin_save_getresponse_credentials', 'adfoin_save_getresponse_credentials', 10, 0 );
/*
 * Save GetResponse credentials
 */
function adfoin_save_getresponse_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( 'getresponse', array( 'apiKey' ) );
}

/*
 * GetResponse Credentials List
 */
function adfoin_getresponse_get_credentials_list() {
    $credentials = adfoin_read_credentials( 'getresponse' );

    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_getresponse_*` 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( 'getresponse', array(
            'apiKey' => 'adfoin_getresponse_api_key',
        ) );
    }
}, 20 );

// Deprecated - kept for backward compatibility
add_action( 'admin_post_adfoin_getresponse_save_api_key', 'adfoin_save_getresponse_api_key', 10, 0 );

function adfoin_save_getresponse_api_key() {
    adfoin_require_manage_options();

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

    $api_key = sanitize_text_field( wp_unslash( $_POST["adfoin_getresponse_api_key"] ) );

    update_option( "adfoin_getresponse_api_key", $api_key );

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

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

function adfoin_getresponse_js_fields( $field_data ) {}

add_action( 'adfoin_action_fields', 'adfoin_getresponse_action_fields' );

function adfoin_getresponse_action_fields() {
    ?>
    <script type="text/template" id="getresponse-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( 'GetResponse 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=getresponse' ); ?>" 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( 'GetResponse 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>

            <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', 'GetResponse [PRO]', 'custom fields and tags' ); ?>
        </table>
    </script>
    <?php
}

add_action( 'wp_ajax_adfoin_get_getresponse_list', 'adfoin_get_getresponse_list', 10, 0 );
/*
 * Get GetResponse subscriber lists
 */
function adfoin_get_getresponse_list() {
    adfoin_verify_nonce();

    $cred_id = isset( $_POST['credId'] ) ? sanitize_text_field( wp_unslash( $_POST['credId'] ) ) : '';

    $data = adfoin_getresponse_request( 'campaigns', 'GET', array(), array(), $cred_id );

    if ( is_wp_error( $data ) ) {
        wp_send_json_error( array( 'message' => $data->get_error_message() ) );
        return;
    }

    $status_code = (int) wp_remote_retrieve_response_code( $data );

    if ( 200 !== $status_code ) {
        wp_send_json_error( array( 'message' => __( 'Failed to retrieve lists. Please verify your API key.', 'advanced-form-integration' ) ) );
        return;
    }

    $body  = json_decode( wp_remote_retrieve_body( $data ) );
    $lists = wp_list_pluck( $body, "name", "campaignId" );

    wp_send_json_success( $lists );
}

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

function adfoin_getresponse_job_queue( $data ) {
    adfoin_getresponse_send_data( $data['record'], $data['posted_data'] );
}

/*
 * Handles sending data to GetResponse API
 */
function adfoin_getresponse_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'] : '';
    $task    = $record["task"];

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

    if ( $task == "subscribe" ) {
        $list_id = $data["listId"];
        $email   = empty( $data["email"] ) ? "" : trim( adfoin_get_parsed_values( $data["email"], $posted_data ) );
        $name    = empty( $data["name"] ) ? "" : adfoin_get_parsed_values( $data["name"], $posted_data );
        $ip      = empty( $data["ipAddress"] ) ? "" : adfoin_get_parsed_values( $data["ipAddress"], $posted_data );

        if ( empty( $email ) || ! is_email( $email ) ) {
            return;
        }

        $body = array(
            'email'      => $email,
            'campaign'   => array(
                'campaignId' => $list_id,
            ),
            'dayOfCycle' => '0',
        );

        if ( $name ) {
            $body['name'] = $name;
        }

        if ( $ip ) {
            $body['ipAddress'] = $ip;
        }

        adfoin_getresponse_request( 'contacts', 'POST', $body, $record, $cred_id );
    }

    return;
}

/**
 * Make a request to the GetResponse API.
 *
 * @param string $endpoint  API endpoint path (e.g. 'contacts', 'contacts/abc123').
 * @param string $method    HTTP method: GET, POST, PUT, PATCH, DELETE.
 * @param array  $data      Request body data (for POST/PUT/PATCH).
 * @param array  $record    AFI record, passed to the log handler.
 * @param string $cred_id   Credential ID to look up the API key.
 * @return array|WP_Error
 */
function adfoin_getresponse_request( $endpoint, $method = 'GET', $data = array(), $record = array(), $cred_id = '' ) {
    $credentials = adfoin_get_credentials_by_id( 'getresponse', $cred_id );
    $api_key     = isset( $credentials['apiKey'] ) ? $credentials['apiKey'] : '';

    // Backward compatibility: fallback to legacy option if credentials not found
    if ( empty( $api_key ) ) {
        $api_key = get_option( 'adfoin_getresponse_api_key' );
    }

    if ( ! $api_key ) {
        return new WP_Error( 'missing_api_key', __( 'GetResponse API key is not configured.', 'advanced-form-integration' ) );
    }

    $base_url = 'https://api.getresponse.com/v3/';
    $url      = $base_url . $endpoint;

    $args = array(
        'timeout' => 30,
        'method'  => $method,
        'headers' => array(
            'Content-Type' => 'application/json',
            'X-Auth-Token' => 'api-key ' . $api_key,
        ),
    );

    if ( in_array( $method, array( 'POST', 'PUT', 'PATCH' ), true ) ) {
        $args['body'] = wp_json_encode( $data );
    }

    $args = apply_filters( 'adfoin_getresponse_before_sent', $args, $url );

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

    // Retry once on rate limit (429), honouring Retry-After, clamped to 1–30 s.
    if ( ! is_wp_error( $response ) && 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;
}
