LeekFish Postcard Sketch Picker Script

Patreon.swift

//: Playground - noun: a place where people can play

import UIKit
import GameplayKit

enum Tag: String {
    
    case Cartoon
    case Anime
    case Game
    case Movie
    
}

struct Character {
    
    let name: String
    let media: String
    let tags: [Tag]
    
}

enum Filters {
    static func tagIsCartoonAnimeOrGame(tag: Tag) -> Bool {
        switch tag {
            case .Cartoon, .Anime, .Game:
                return true
            
            case .Movie:
                return false
        }
    }
}

extension Collection {
    
    func every(test: (Self.Iterator.Element) -> Bool) -> Bool {
        for element in self {
            if !test(element) {
                return false
            }
        }
        
        return true
    }
    
}

extension Array {
    
    mutating func pick() -> Element {
        let distribution = GKShuffledDistribution(randomSource: GKMersenneTwisterRandomSource(), lowestValue: 0, highestValue: count - 1)
        return remove(at: distribution.nextInt())
    }
    
}

struct Bag<Item> {
    
    private let contents: [Item]
    
    init(items: [Item]) {
        contents = items
    }
    
    func choose(_ count: Int, where isIncluded: ((Item) -> Bool)? = nil) -> [Item] {
        var mutatingContents = contents
        
        if let isIncluded = isIncluded {
            mutatingContents = mutatingContents.filter(isIncluded)
        }
        
        var results: [Item] = []
        for _ in 0 ..< count {
            results += [mutatingContents.pick()]
        }
        return results
    }
    
}

extension Bag: ExpressibleByArrayLiteral {
    
    init(arrayLiteral elements: Item...) {
        self.init(items: elements)
    }
    
}

var characters: Bag<Character> = [
    Character(name: "Dipper Pines", media: "Gravity Falls", tags: [.Cartoon]),
    Character(name: "Mabel Pines", media: "Gravity Falls", tags: [.Cartoon]),
    Character(name: "Stan Pines", media: "Gravity Falls", tags: [.Cartoon]),
    Character(name: "Ford Pines", media: "Gravity Falls", tags: [.Cartoon]),
    
    Character(name: "Steven", media: "Steven Universe", tags: [.Cartoon]),
    Character(name: "Garnet", media: "Steven Universe", tags: [.Cartoon]),
    Character(name: "Amethyst", media: "Steven Universe", tags: [.Cartoon]),
    Character(name: "Pearl", media: "Steven Universe", tags: [.Cartoon]),
    Character(name: "Lapis", media: "Steven Universe", tags: [.Cartoon]),
    Character(name: "Peridot", media: "Steven Universe", tags: [.Cartoon]),

    Character(name: "Twilight Sparkle", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Applejack", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Fluttershy", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Rarity", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Pinkie Pie", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Rainbow Dash", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Octavia", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Vinyl Scratch", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Chrysalis", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Celestia", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Luna", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Cadence", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    Character(name: "Derpy", media: "My Little Pony: Friendship is Magic", tags: [.Cartoon]),
    
    Character(name: "Scooby Doo", media: "Scooby Doo", tags: [.Cartoon]),
    Character(name: "Shaggy", media: "Scooby Doo", tags: [.Cartoon]),
    
    Character(name: "Bender", media: "Futurama", tags: [.Cartoon]),
    Character(name: "Fry", media: "Futurama", tags: [.Cartoon]),
    Character(name: "Leela", media: "Futurama", tags: [.Cartoon]),
    Character(name: "Scruffy. The Janitor.", media: "Futurama", tags: [.Cartoon]),
    
    Character(name: "Aang", media: "Avatar: The Last Airbender", tags: [.Cartoon]),
    Character(name: "Katara", media: "Avatar: The Last Airbender", tags: [.Cartoon]),
    Character(name: "Sokka", media: "Avatar: The Last Airbender", tags: [.Cartoon]),
    Character(name: "Toph", media: "Avatar: The Last Airbender", tags: [.Cartoon]),
    Character(name: "Zuko", media: "Avatar: The Last Airbender", tags: [.Cartoon]),
    Character(name: "Iroh", media: "Avatar: The Last Airbender", tags: [.Cartoon]),
    Character(name: "Azula", media: "Avatar: The Last Airbender", tags: [.Cartoon]),
    Character(name: "Ty Lee", media: "Avatar: The Last Airbender", tags: [.Cartoon]),
    Character(name: "Mai", media: "Avatar: The Last Airbender", tags: [.Cartoon]),
    
    Character(name: "Korra", media: "The Legend of Korra", tags: [.Cartoon]),
    Character(name: "Bolin", media: "The Legend of Korra", tags: [.Cartoon]),
    Character(name: "Mako", media: "The Legend of Korra", tags: [.Cartoon]),
    Character(name: "Asami", media: "The Legend of Korra", tags: [.Cartoon]),
    
    Character(name: "Blossom", media: "Powerpuff Girls", tags: [.Cartoon]),
    Character(name: "Bubbles", media: "Powerpuff Girls", tags: [.Cartoon]),
    Character(name: "Buttercup", media: "Powerpuff Girls", tags: [.Cartoon]),
    Character(name: "Mojo Jojo", media: "Powerpuff Girls", tags: [.Cartoon]),
    
    Character(name: "Bulbasaur", media: "Pokemon", tags: [.Anime, .Game]),
    Character(name: "Squirtle", media: "Pokemon", tags: [.Anime, .Game]),
    Character(name: "Blastoise", media: "Pokemon", tags: [.Anime, .Game]),
    Character(name: "Charmander", media: "Pokemon", tags: [.Anime, .Game]),
    Character(name: "Charizard", media: "Pokemon", tags: [.Anime, .Game]),
    Character(name: "Pikachu", media: "Pokemon", tags: [.Anime, .Game]),
    
    Character(name: "Litten", media: "Pokemon", tags: [.Anime, .Game]),
    Character(name: "Rowlet", media: "Pokemon", tags: [.Anime, .Game]),
    
    Character(name: "Madoka Kaname", media: "Madoka", tags: [.Anime]),
    Character(name: "Sayaka Miki", media: "Madoka", tags: [.Anime]),
    Character(name: "Homura Akemi", media: "Madoka", tags: [.Anime]),
    Character(name: "Kyoko Sakura", media: "Madoka", tags: [.Anime]),
    Character(name: "Mami Tomoe", media: "Madoka", tags: [.Anime]),
    
    Character(name: "Edward Elric", media: "Fullmetal Alchemist", tags: [.Anime]),
    Character(name: "Alphonse Elric", media: "Fullmetal Alchemis", tags: [.Anime]),
    
    Character(name: "Boba Fett", media: "Star Wars", tags: [.Movie]),
    
    Character(name: "Rey", media: "Star Wars", tags: [.Movie]),
    Character(name: "Kylo Ren", media: "Star Wars", tags: [.Movie]),
    Character(name: "Finn", media: "Star Wars", tags: [.Movie]),
    Character(name: "Poe Dameron", media: "Star Wars", tags: [.Movie])
]

characters.choose(3, where: { (item) in
    return item.tags.every(test: Filters.tagIsCartoonAnimeOrGame)
})