RandomStringGenerator.swift

import Foundation

struct RandomStringGenerator {

    func createRandomWord(with wordLength: Int) -> String {
        let chars = (0..<wordLength).map{_ in return String(randomChar()) }
        return chars.reduce(""){ $0 + $1 }
    }

    func randomChar() -> Character {
        let ascii = 65 + arc4random() % (122 - 65)
        return UnicodeScalar(ascii).map { Character($0) } ?? Character("")
    }

    func createRandomParagraph(with wordCount: Int) -> String {
        let maxWordLength = Int(arc4random() % 15)
        return (0..<wordCount).map{ _ in createRandomWord(with: maxWordLength) }.reduce(""){
            $0 + " " + $1
        }
    }

}


RandomStringGenerator().createRandomParagraph(with: 5)