<?php

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

function adfoin_sendinblue_actions( $actions ) {

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

    return $actions;
}

/**
 * Get Sendinblue credentials by ID
 * 
 * @param string $cred_id Credential ID (optional, can be from $_POST)
 * @return array Array with 'api_key' key, or empty string if not found
 */
function adfoin_sendinblue_get_credentials( $cred_id = '' ) {
    // If no cred_id provided, try to get from POST
    if ( empty( $cred_id ) && isset( $_POST['credId'] ) ) {
        $cred_id = sanitize_text_field( wp_unslash( $_POST['credId'] ) );
    }

    $api_key = '';

    if ( $cred_id ) {
        $credentials = adfoin_read_credentials( 'sendinblue' );
        foreach( $credentials as $single ) {
            if( $single['id'] == $cred_id ) {
                $api_key = $single['api_key'];
                break;
            }
        }
    } else {
        // Fallback to old options if no cred_id provided
        $api_key = get_option( 'adfoin_sendinblue_api_key' ) ? get_option( 'adfoin_sendinblue_api_key' ) : '';
    }

    return array(
        'api_key' => $api_key
    );
}

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

function adfoin_sendinblue_settings_tab( $providers ) {
    $providers['sendinblue'] = __( 'Sendinblue', 'advanced-form-integration' );

    return $providers;
}

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

function adfoin_sendinblue_settings_view( $current_tab ) {
    if( $current_tab != 'sendinblue' ) {
        return;
    }

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

    // Migrate old settings if they exist and no new credentials exist
    $old_api_key = get_option( 'adfoin_sendinblue_api_key' );
    $existing_creds = adfoin_read_credentials( 'sendinblue' );

    if ( $old_api_key && empty( $existing_creds ) ) {
        $new_cred = array(
            'id' => wp_generate_uuid4(),
            'title' => 'Default Account (Legacy)',
            'api_key' => $old_api_key
        );
        adfoin_save_credentials( 'sendinblue', array( $new_cred ) );
    }

    $fields = array(
        array(
            'name'          => 'api_key',
            'label'         => __( 'API Key', 'advanced-form-integration' ),
            'type'          => 'text',
            'required'      => true,
            'placeholder'   => __( 'Please enter API Key', 'advanced-form-integration' ),
            'mask'          => true,
            'show_in_table' => true,
        ),
    );

    $instructions = '<ol class="afi-instructions-list">
            <li>' . __( 'Go to <a href="https://app.brevo.com/settings/keys/api" target="_blank" rel="noopener noreferrer">Brevo API Keys</a> page.', 'advanced-form-integration' ) . '</li>
            <li>' . __( 'Generate a new API Key and copy it.', 'advanced-form-integration' ) . '</li>
            <li>' . __( 'Enter the API Key in the field above.', 'advanced-form-integration' ) . '</li>
            <li>' . __( 'Click "Add Account" and save your credentials.', 'advanced-form-integration' ) . '</li>
        </ol>';

    ADFOIN_Account_Manager::render_settings_view( 'sendinblue', 'Sendinblue', $fields, $instructions );
}

// AJAX Hooks for Account Manager
add_action( 'wp_ajax_adfoin_get_sendinblue_credentials', 'adfoin_get_sendinblue_credentials' );
function adfoin_get_sendinblue_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( 'sendinblue' );
}

add_action( 'wp_ajax_adfoin_save_sendinblue_credentials', 'adfoin_save_sendinblue_credentials' );
function adfoin_save_sendinblue_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( 'sendinblue', array( 'api_key' ) );
}

add_action( 'wp_ajax_adfoin_get_sendinblue_credentials_list', 'adfoin_sendinblue_get_credentials_list_ajax' );
function adfoin_sendinblue_get_credentials_list_ajax() {
    if ( ! wp_verify_nonce( $_POST['_nonce'], 'advanced-form-integration' ) ) {
        return;
    }

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

    $fields = array(
        array( 'name' => 'api_key', 'mask' => true ),
    );

    ADFOIN_Account_Manager::ajax_get_credentials_list( 'sendinblue', $fields );
}

add_action( 'admin_post_adfoin_save_sendinblue_api_key', 'adfoin_save_sendinblue_api_key', 10, 0 );

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

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

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

    // Save tokens
    update_option( "adfoin_sendinblue_api_key", $api_key );

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

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

function adfoin_sendinblue_js_fields( $field_data ) {}

add_action( 'adfoin_action_fields', 'adfoin_sendinblue_action_fields' );

function adfoin_sendinblue_action_fields() {
    ?>
    <script type="text/template" id="sendinblue-action-template">
        <table class="form-table">
            <tr valign="top" v-if="action.task == 'subscribe'">
                <th scope="row"><?php esc_html_e( 'Sendinblue Account', 'advanced-form-integration' ); ?></th>
                <td>
                    <select name="fieldData[credId]" v-model="fielddata.credId" @change="getList">
                        <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=sendinblue' ); ?>" 
                       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>
                </td>
            </tr>

            <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( 'Sendinblue 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', 'Sendinblue [PRO]', 'custom fields' ); ?>

        </table>
    </script>
    <?php
}

add_action( 'wp_ajax_adfoin_get_sendinblue_list', 'adfoin_get_sendinblue_list', 10, 0 );
/*
 * Get Sendinblue subscriber lists
 */
function adfoin_get_sendinblue_list() {
    // Security Check
    if (! wp_verify_nonce( $_POST['_nonce'], 'advanced-form-integration' ) ) {
        die( __( 'Security check Failed', 'advanced-form-integration' ) );
    }

    $credentials = adfoin_sendinblue_get_credentials();
    $api_key = $credentials['api_key'];

    if( ! $api_key ) {
        wp_send_json_error( __( 'API Key not found', 'advanced-form-integration' ) );
        return;
    }

    $args = array(
        'timeout' => 15,
        'headers' => array(
            'Content-Type' => 'application/json',
            'api-key' => $api_key
        )
    );

    $page = 0;
    $limit = 50;
    $has_value = true;
    $all_data = array();

    while( $has_value ) {
        $offset = $page * $limit;
        // Sendinblue rebranded to Brevo in 2023; api.sendinblue.com still
        // CNAMEs but is officially deprecated. The plugin keeps a separate
        // platforms/brevo/ folder for the new integration; legacy users on
        // this slug get redirected to the canonical host.
        $url = "https://api.brevo.com/v3/contacts/lists?limit={$limit}&offset={$offset}";
        $data  = wp_remote_request( $url, $args );
        
        if( is_wp_error( $data ) ) {
            wp_send_json_error( $data->get_error_message() );
            return;
        }
        
        $body  = json_decode( $data["body"] );

        if( empty( $body->lists ) ) {
            $has_value = false;
        } else {
            $lists = wp_list_pluck( $body->lists, 'name', 'id' );
            $all_data = $all_data + $lists;
            $page++;
        }
        
    }

    wp_send_json_success( $all_data );
}

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

function adfoin_sendinblue_job_queue( $data ) {
    adfoin_sendinblue_send_data( $data['record'], $data['posted_data'] );
}

/*
 * Handles sending data to Sendinblue API
 */
function adfoin_sendinblue_send_data( $record, $posted_data ) {

    $record_data = json_decode( $record["data"], true );
    $field_data = isset( $record_data['field_data'] ) ? $record_data['field_data'] : array();
    
    $cred_id = isset( $field_data['credId'] ) ? $field_data['credId'] : '';
    
    $credentials = adfoin_sendinblue_get_credentials( $cred_id );
    $api_key = $credentials['api_key'];

    if( !$api_key ) {
        return;
    }

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

    $data = $record_data["field_data"];
    $task = $record["task"];

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

        $data = array(
            "email"      => $email,
            "attributes" => array(
                "SMS"       => $sms,
                "FIRSTNAME" => $first_name,
                "LASTNAME"  => $last_name,
                "FIENAME"   => $last_name,
                "VORNAME"   => $first_name,
                "NACHNAME"  => $last_name,
                "NOMBRE"    => $first_name,
                "APELLIDOS" => $last_name,
                "NOME"      => $first_name,
                "COGNOME"   => $last_name,
                "SOBRENOME" => $last_name,
                "PRENOM"    => $first_name,
                "NOM"       => $last_name
            ),
            'listIds'       => array( intval( $list_id ) ),
            'updateEnabled' => true
        );

        $data = array_filter( $data );
        $url  = "https://api.brevo.com/v3/contacts";

        $args = array(
            'timeout' => 30,
            'headers' => array(
                'Content-Type' => 'application/json',
                'api-key'      => $api_key
            ),
            'body' => wp_json_encode( $data )
        );

        $return = wp_remote_post( $url, $args );

        adfoin_add_to_log( $return, $url, $args, $record );
    }

    return;
}