//
//  ComposeUIState.swift
//  Tusker
//
//  Created by Shadowfacts on 8/24/20.
//  Copyright © 2020 Shadowfacts. All rights reserved.
//

import SwiftUI

protocol ComposeUIStateDelegate: class {
    var assetPickerDelegate: AssetPickerViewControllerDelegate? { get }
    
    func dismissCompose()
    func presentAssetPickerSheet()
    func presentComposeDrawing()
    
    func keyboardWillShow(accessoryView: UIView, notification: Notification)
    func keyboardWillHide(accessoryView: UIView, notification: Notification)
    func keyboardDidHide(accessoryView: UIView, notification: Notification)
}

class ComposeUIState: ObservableObject {
    
    weak var delegate: ComposeUIStateDelegate?
    
    @Published var draft: Draft
    @Published var isShowingSaveDraftSheet = false
    @Published var attachmentsMissingDescriptions = Set<UUID>()
    @Published var autocompleteState: AutocompleteState? = nil
    
    var composeDrawingMode: ComposeDrawingMode?
    
    weak var autocompleteHandler: ComposeAutocompleteHandler?
    
    init(draft: Draft) {
        self.draft = draft
    }
    
}

extension ComposeUIState {
    enum ComposeDrawingMode {
        case createNew
        case edit(id: UUID)
    }
}

extension ComposeUIState {
    enum AutocompleteState {
        case mention(String)
        case emoji(String)
        case hashtag(String)
    }
}