import UIKit

enum SomeEnum: String, ExpressibleByStringLiteral, Encodable {
	case option1
	case option2
	case option3

	init(stringLiteral value: String) {
		switch value {
		case "option1": self = .option1
		case "option2": self = .option2
		case "option3": self = .option3
		default: fatalError("Case is not allowed")
		}
	}

	init(extendedGraphemeClusterLiteral value: String) {
		self.init(stringLiteral: value)
	}

	init(unicodeScalarLiteral value: String) {
		self.init(stringLiteral: value)
	}


}

protocol RestrictedEnum {}

class Query1 {

	enum Query1Enum: SomeEnum {
		case option2 = "option2"
		case option3 = "option3"
	}

	init(_ options: Query1Enum...) {

	}
}

class Query2: Encodable {

	enum Query2Enum: SomeEnum, Encodable {
		case option2 = "option2"
		case option3 = "option3"

		func encode(to encoder: Encoder) throws {
			var c = encoder.singleValueContainer()
			try c.encode(self.rawValue)
		}
	}

	let options: [Query2Enum]
	init(_ options: Query2Enum...) {
		self.options = options
	}
}

let x = Query1(.option2)
let y = Query2(.option2, .option3)

let zData = "option2".data(using: .utf8)
//let z = try! JSONDecoder().decode(SomeEnum.self, from: zData!)
let z1 = try! JSONEncoder().encode(Query2(.option2))

//print(z)
print(String(data: z1, encoding: .utf8))