// ===----------------------------------------------------------------------===
//
// This source file is part of the DiscogsService open source project
//
// Copyright (c) 2026 Röck+Cöde VoF. and the DiscogsService project authors
// Licensed under Apache license v2.0
//
// See LICENSE for license information
// See CONTRIBUTORS for the list of DiscogsService project authors
//
// SPDX-License-Identifier: Apache-2.0
//
// ===----------------------------------------------------------------------===

import Foundation

/// A representation of the product information used to generate the `User-Agent` header for requests to the Discogs API.
///
/// The Discogs API requires a `User-Agent` header that identifies the application making the request. This model captures
/// the product name, version, and URL needed to build that header via the ``UserAgentMiddleware``.
///
/// The generated `User-Agent` header follows the format: `ProductName/1.0.0 +https://example.com`
public struct Product: Sendable {
    
    // MARK: Properties
    
    /// The camel-cased name of the product (e.g., `MyDiscogsApp`).
    let name: String
    
    /// A URI link related to the product (e.g., `https://example.com`).
    let url: String
    
    /// The semantic version of the product (e.g., `1.0.0`).
    let version: String
    
    // MARK: Initializers
    
    /// Initializes this model.
    /// - Parameters:
    ///   - name: The camel-cased name of the product.
    ///   - version: The semantic version of the product, following [Semantic Versioning 2.0.0](https://semver.org/spec/v2.0.0.html).
    ///   - url: A URI link related to the product.
    public init(
        name: String,
        version: String,
        url: String
    ) {
        self.name = name
        self.url = url
        self.version = version
    }

}