<?php

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

function adfoin_selzy_actions( $actions ) {

    $actions['selzy'] = array(
        'title' => __( 'Selzy', 'advanced-form-integration' ),
        'tasks' => array(
            'subscribe'   => __( 'Add Contact To List', 'advanced-form-integration' )
        )
    );

    return $actions;
}

/**
 * Get Selzy 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_selzy_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( 'selzy' );
        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_selzy_api_key' ) ? get_option( 'adfoin_selzy_api_key' ) : '';
    }

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

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

function adfoin_selzy_settings_tab( $providers ) {
    $providers['selzy'] = __( 'Selzy', 'advanced-form-integration' );

    return $providers;
}

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

function adfoin_selzy_settings_view( $current_tab ) {
    if( $current_tab != 'selzy' ) {
        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_selzy_api_key' );
    
    $existing_creds = adfoin_read_credentials( 'selzy' );

    if ( $old_api_key && empty( $existing_creds ) ) {
        $new_cred = array(
            'id' => wp_generate_uuid4(),
            'title' => 'Default Account',
            'api_key' => $old_api_key
        );
        adfoin_save_credentials( 'selzy', 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' ),
            'description'   => __( 'Go to Profile > Settings > Integrations & API. Click on show full and copy the API Key', 'advanced-form-integration' ),
            'mask'          => true,  // Mask API key in table
            'show_in_table' => true,
        ),
    );

    $instructions = '<ol class="afi-instructions-list">
            <li>' . __( 'Go to your Selzy account Profile > Settings > Integrations & API.', 'advanced-form-integration' ) . '</li>
            <li>' . __( 'Click on show full and copy the API Key.', 'advanced-form-integration' ) . '</li>
            <li>' . __( 'Enter your API Key above.', 'advanced-form-integration' ) . '</li>
            <li>' . __( 'Click "Add Account" and save your credentials.', 'advanced-form-integration' ) . '</li>
        </ol>';

    ADFOIN_Account_Manager::render_settings_view( 'selzy', 'Selzy', $fields, $instructions );
}

// AJAX Hooks for Account Manager
add_action( 'wp_ajax_adfoin_get_selzy_credentials', 'adfoin_get_selzy_credentials' );
function adfoin_get_selzy_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( 'selzy' );
}

add_action( 'wp_ajax_adfoin_save_selzy_credentials', 'adfoin_save_selzy_credentials' );
function adfoin_save_selzy_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( 'selzy', array( 'api_key' ) );
}

add_action( 'wp_ajax_adfoin_get_selzy_credentials_list', 'adfoin_selzy_get_credentials_list_ajax' );
function adfoin_selzy_get_credentials_list_ajax() {
    adfoin_verify_nonce();

    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( 'selzy', $fields );
}

add_action( 'adfoin_action_fields', 'adfoin_selzy_action_fields' );

function adfoin_selzy_action_fields() {
?>
    <script type="text/template" id="selzy-action-template">
        <table class="form-table">
            <tr valign="top" v-if="action.task == 'subscribe'">
                <th scope="row"><?php esc_html_e( 'Selzy Account', 'advanced-form-integration' ); ?></th>
                <td>
                    <select name="fieldData[credId]" v-model="fielddata.credId" @change="handleAccountChange">
                        <option value=""> <?php _e( 'Select Account...', 'advanced-form-integration' ); ?> </option>
                        <option v-for="cred in credentialsList" :value="cred.id">{{ cred.title }}</option>
                    </select>
                    <div class="afi-spinner" v-bind:class="{'is-active': credentialLoading}"></div>
                    <a href="<?php echo admin_url( 'admin.php?page=advanced-form-integration-settings&tab=selzy' ); ?>" 
                       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( 'List', 'advanced-form-integration' ); ?>
                    </label>
                </td>
                <td>
                    <select name="fieldData[listId]" v-model="fielddata.listId">
                        <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( 'Skip Double Opt-in', 'advanced-form-integration' ); ?>
                    </label>
                </td>
                <td>
                    <input type="checkbox" name="fieldData[doubleOptin]" value="true" v-model="fielddata.doubleOptin">
                </td>
            </tr>

            <tr valign="top" class="alternate" v-if="action.task == 'subscribe'">
                <td scope="row-title">
                    <label for="tablecell">
                        <?php esc_attr_e( 'Overwrite Mode', 'advanced-form-integration' ); ?>
                    </label>
                </td>
                <td>
                    <select name="fieldData[overwrite]" v-model="fielddata.overwrite">
                        <option value="0"><?php esc_html_e( '0 - Only add new fields (default)', 'advanced-form-integration' ); ?></option>
                        <option value="1"><?php esc_html_e( '1 - Replace all fields and tags', 'advanced-form-integration' ); ?></option>
                        <option value="2"><?php esc_html_e( '2 - Update matched fields, keep others', 'advanced-form-integration' ); ?></option>
                    </select>
                </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', 'Selzy [PRO]', 'custom fields and tags' ); ?>

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

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

    if ( ! $api_key ) {
        return new WP_Error( 'missing_credentials', __( 'Selzy API credentials not found', 'advanced-form-integration' ) );
    }

    $url = 'https://api.selzy.com/en/api/' . $endpoint;

    $final_data = array(
        'format'  => 'json',
        'api_key' => $api_key,
    );

    if ( $data ) {
        $final_data = $final_data + $data;
    }

    $url = add_query_arg( $final_data, $url );

    $args = array(
        'timeout' => 30,
        'method'  => $method,
    );

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

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

    return $response;
}

add_action( 'wp_ajax_adfoin_get_selzy_list', 'adfoin_get_selzy_list', 10, 0 );

/*
 * Get Mailchimp subscriber lists
 */
function adfoin_get_selzy_list() {
    // Security Check
    adfoin_verify_nonce();

    $cred_id = isset( $_POST['credId'] ) ? sanitize_text_field( wp_unslash( $_POST['credId'] ) ) : '';
    $return = adfoin_selzy_request( 'getLists', 'GET', array(), array(), $cred_id );

    if( !is_wp_error( $return ) ) {
        $body  = json_decode( wp_remote_retrieve_body( $return ), true );
        $lists = array();

        if( isset( $body['result'] ) && is_array( $body['result'] ) ) {
            $lists = wp_list_pluck( $body['result'], 'title', 'id' );
        }

        wp_send_json_success( $lists );
    } else {
        wp_send_json_error();
    }
}

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

function adfoin_selzy_job_queue( $data ) {
    adfoin_selzy_send_data( $data['record'], $data['posted_data'] );
}

/*
 * Handles sending data to Selzy API
 */
function adfoin_selzy_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'];
    $list_id  = isset( $data['listId'] ) ? $data['listId'] : '';
    $dopt     = isset( $data['doubleOptin'] ) ? $data['doubleOptin'] : '';
    $overwrite = isset( $data['overwrite'] ) ? (int) $data['overwrite'] : 0;
    $task     = $record['task'];
    $cred_id  = isset( $data['credId'] ) ? $data['credId'] : '';

    if ( $task == 'subscribe' ) {
        $req_data = array(
            'fields' => array(),
        );

        if ( isset( $data['email'] ) && $data['email'] ) {
            $req_data['fields']['email'] = trim( adfoin_get_parsed_values( $data['email'], $posted_data ) );
        }
        if ( isset( $data['name'] ) && $data['name'] ) {
            $req_data['fields']['Name'] = adfoin_get_parsed_values( $data['name'], $posted_data );
        }
        if ( isset( $data['phone'] ) && $data['phone'] ) {
            $req_data['fields']['phone'] = adfoin_get_parsed_values( $data['phone'], $posted_data );
        }

        if ( ! isset( $req_data['fields']['email'] ) || ! $req_data['fields']['email'] ) {
            return;
        }

        if ( $list_id ) {
            $req_data['list_ids'] = $list_id;
        }

        if ( $dopt === 'true' || $dopt === true ) {
            $req_data['double_optin'] = 3;
        }

        $req_data['overwrite'] = $overwrite;

        $return = adfoin_selzy_request( 'subscribe', 'GET', $req_data, $record, $cred_id );
    }

}