//
//  Shared.swift
//  MailExample
//
//  Created by Ryan Nystrom on 6/26/17.
//
//

import UIKit

enum ActionDescriptor {
    case read, unread, more, flag, trash

    func title(forDisplayMode displayMode: ButtonDisplayMode) -> String? {
        guard displayMode != .imageOnly else { return nil }

        switch self {
        case .read: return "Read"
        case .unread: return "Unread"
        case .more: return "More"
        case .flag: return "Flag"
        case .trash: return "Trash"
        }
    }

    func image(forStyle style: ButtonStyle, displayMode: ButtonDisplayMode) -> UIImage? {
        guard displayMode != .titleOnly else { return nil }

        let name: String
        switch self {
        case .read: name = "Read"
        case .unread: name = "Unread"
        case .more: name = "More"
        case .flag: name = "Flag"
        case .trash: name = "Trash"
        }

        return UIImage(named: style == .backgroundColor ? name : name + "-circle")
    }

    var color: UIColor {
        switch self {
        case .read, .unread: return #colorLiteral(red: 0, green: 0.4577052593, blue: 1, alpha: 1)
        case .more: return #colorLiteral(red: 0.7803494334, green: 0.7761332393, blue: 0.7967314124, alpha: 1)
        case .flag: return #colorLiteral(red: 1, green: 0.5803921569, blue: 0, alpha: 1)
        case .trash: return #colorLiteral(red: 1, green: 0.2352941176, blue: 0.1882352941, alpha: 1)
        }
    }
}