// ABOUTME: OAuth template rendering for multi-tenant MCP server
// ABOUTME: Provides HTML template rendering for OAuth success and error pages
//
// SPDX-License-Identifier: MIT OR Apache-2.0
// Copyright (c) 2025 Pierre Fitness Intelligence
use crate::routes::auth::OAuthCallbackResponse;
use std::error::Error;
/// Template renderer for OAuth success and error pages
pub struct OAuthTemplateRenderer;
impl OAuthTemplateRenderer {
/// Render OAuth success template
///
/// # Errors
/// Returns an error if template formatting fails
pub fn render_success_template(
provider: &str,
callback_response: &OAuthCallbackResponse,
) -> Result<String, Box<dyn Error>> {
const TEMPLATE: &str = include_str!("../../templates/oauth_success.html");
let rendered = TEMPLATE
.replace("{{PROVIDER}}", provider)
.replace("{{USER_ID}}", &callback_response.user_id);
Ok(rendered)
}
/// Render OAuth error template
///
/// # Errors
/// Returns an error if template formatting fails
pub fn render_error_template(
provider: &str,
error: &str,
description: Option<&str>,
) -> Result<String, Box<dyn Error>> {
const TEMPLATE: &str = include_str!("../../templates/oauth_error.html");
let description_html = description
.map(|d| format!("<div class=\"description\"><strong>Description:</strong> {d}</div>"))
.unwrap_or_default();
let rendered = TEMPLATE
.replace("{{PROVIDER}}", provider)
.replace("{{ERROR}}", error)
.replace("{{DESCRIPTION}}", &description_html);
Ok(rendered)
}
}
