import Foundation

public extension URLRequest {
    func cURL(pretty: Bool = false) -> String {
        let newLine = pretty ? "\\\n" : ""
        let method = (pretty ? "--request " : "-X ") + "\(httpMethod ?? "GET") \(newLine)"
        let url: String = (pretty ? "--url " : "") + "\'\(self.url?.absoluteString ?? "")\' \(newLine)"

        var cURL = "curl "
        var header = ""
        var data = ""

        if let httpHeaders = allHTTPHeaderFields, !httpHeaders.keys.isEmpty {
            for (key, value) in httpHeaders {
                header += (pretty ? "--header " : "-H ") + "\'\(key): \(value)\' \(newLine)"
            }
        }

        if let bodyData = httpBody, let bodyString = String(data: bodyData, encoding: .utf8), !bodyString.isEmpty {
            data = "--data '\(bodyString)'"
        }

        cURL += method + url + header + data

        return cURL
    }
}