//
//  RequestBuilder.swift
//  EmployeeDirectory
//
//  Created by Matt Bruce on 1/21/25.
//

import Foundation

/// Enum representing HTTP methods
public enum HTTPMethod: String {
    case get = "GET"
    case post = "POST"
    case put = "PUT"
    case delete = "DELETE"
    case patch = "PATCH"
    case head = "HEAD"
    case options = "OPTIONS"
}

/// A utility for constructing HTTP requests
public struct RequestBuilder {
    private var url: URL
    private var method: HTTPMethod
    private var headers: [String: String] = [:]
    private var body: Data?

    public init(url: URL, method: HTTPMethod = .get) {
        self.url = url
        self.method = method
    }

    /// Add a header to the request
    @discardableResult
    public mutating func addHeader(key: String, value: String) -> Self {
        headers[key] = value
        return self
    }

    /// Set the body of the request
    @discardableResult
    public mutating func setBody(_ data: Data?) -> Self {
        body = data
        return self
    }

    /// Build the `URLRequest`
    public func build() -> URLRequest {
        var request = URLRequest(url: url)
        request.httpMethod = method.rawValue
        request.allHTTPHeaderFields = headers
        request.httpBody = body
        return request
    }
}