import Foundation

// MARK: - 数据模型
struct MaterialRequest: Codable {
    let fileId: String
    let previewFileId: String
    
    enum CodingKeys: String, CodingKey {
        case fileId = "file_id"
        case previewFileId = "preview_file_id"
    }
}

struct AddMaterialResponse: Codable {
    let code: Int
    let data: [String]?
}

// MARK: - 素材上传工具类
class MaterialUpload {
    static let shared = MaterialUpload()
    
    private init() {}
    
    /// 添加素材到服务器
    /// - Parameters:
    ///   - fileId: 文件ID
    ///   - previewFileId: 预览文件ID
    ///   - completion: 完成回调，返回结果ID数组或错误
    func addMaterial(
        fileId: String,
        previewFileId: String,
        completion: @escaping (Result<[String]?, Error>) -> Void
    ) {
        // 创建请求数据
        let materials: [[String: String]] = [[
            "file_id": fileId,
            "preview_file_id": previewFileId
        ]]
        
        // 调试信息：检查参数是否为有效的JSON对象
        print("🔍 准备发送的参数: \(materials)")
        
        
        // 使用NetworkService发送请求
        NetworkService.shared.post(
            path: "/material",
            parameters: materials,
            completion: { (result: Result<AddMaterialResponse, NetworkError>) in
                DispatchQueue.main.async {
                    switch result {
                    case .success(let response):
                        if response.code == 0 {
                            completion(.success(response.data))
                        } else {
                            completion(.failure(NetworkError.serverError("服务器返回错误码: \(response.code)")))
                        }
                    case .failure(let error):
                        print("❌ 素材上传失败: \(error.localizedDescription)")
                        completion(.failure(error))
                    }
                }
            }
        )
    }
}