// Code generated by Speakeasy (https://speakeasyapi.dev). DO NOT EDIT.

import Foundation

struct Server {
    public let urlString: String
}

protocol Servers {
    static var urlStrings: [String] { get }

    static func `default`() throws -> Server
    static func server(at index: Int) throws -> Server
    static func server(at index: Int, substituting parameters: [String: String]?) throws -> Server
}

protocol ServerConvertible {
    func server() throws -> Server
}

enum ServerConversionError: Swift.Error {
    case `internal`
    case missingDefaultServer(serverType: String)
    case invalidServerIndex(serverType: String, index: Int)
    case missingServerParameterSubstitutionKey(_ key: String, serverString: String)
}

extension Servers {
    static func `default`() throws -> Server {
        guard urlStrings.count > 0 else {
            throw ServerConversionError.missingDefaultServer(serverType: String(describing: self))
        }

        return Server(urlString: urlStrings[0])
    }

    static func server(at index: Int) throws -> Server {
        return try server(at: index, substituting: nil)
    }

    static func server(at index: Int, substituting parameters: [String: String]?) throws -> Server {
        guard index >= 0 && index < urlStrings.count else {
            throw ServerConversionError.invalidServerIndex(serverType: String(describing: self), index: index)
        }
        if let parameters = parameters {
            do {
                return Server(urlString: try urlStrings[index].substituteComponents { key in parameters[key] })
            } catch let error as StringSubstitutionError {
                switch error {
                case .internal:
                    throw ServerConversionError.internal
                case .missingParameter(named: let name, in: let string):
                    throw ServerConversionError.missingServerParameterSubstitutionKey(name, serverString: string)
                }
            }
        } else {
            return Server(urlString: urlStrings[index])
        }
    }
}