//
//  StatusMO.swift
//  Tusker
//
//  Created by Shadowfacts on 4/11/20.
//  Copyright © 2020 Shadowfacts. All rights reserved.
//
//

import Foundation
import CoreData
import Pachyderm

@objc(StatusMO)
public final class StatusMO: NSManagedObject {

    @nonobjc public class func fetchRequest() -> NSFetchRequest<StatusMO> {
        return NSFetchRequest<StatusMO>(entityName: "Status")
    }
    
    @NSManaged public var application: String?
    @NSManaged private var attachmentsData: Data?
    @NSManaged public var bookmarked: Bool
    @NSManaged public var content: String
    @NSManaged public var createdAt: Date
    @NSManaged public var emojisData: Data?
    @NSManaged public var favourited: Bool
    @NSManaged public var favouritesCount: Int
    @NSManaged public var hashtagsData: Data?
    @NSManaged public var id: String
    @NSManaged public var inReplyToAccountID: String?
    @NSManaged public var inReplyToID: String?
    @NSManaged private var mentionsData: Data?
    @NSManaged public var muted: Bool
    @NSManaged public var pinned: Bool
    @NSManaged public var reblogged: Bool
    @NSManaged public var reblogsCount: Int
    @NSManaged public var sensitive: Bool
    @NSManaged public var spoilerText: String
    @NSManaged public var uri: String // todo: are both uri and url necessary?
    @NSManaged public var url: URL?
    @NSManaged private var visibilityString: String
    @NSManaged public var account: AccountMO
    @NSManaged public var reblog: StatusMO?
    
    @LazilyDecoding(arrayFrom: \StatusMO.attachmentsData)
    var attachments: [Attachment]

    @LazilyDecoding(arrayFrom: \StatusMO.emojisData)
    var emojis: [Emoji]
    
    @LazilyDecoding(arrayFrom: \StatusMO.hashtagsData)
    var hashtags: [Hashtag]
    
    @LazilyDecoding(arrayFrom: \StatusMO.mentionsData)
    var mentions: [Mention]
    
    var visibility: Status.Visibility {
        get {
            Pachyderm.Status.Visibility(rawValue: visibilityString) ?? .public
        }
        set {
            visibilityString = newValue.rawValue
        }
    }
    
}

extension StatusMO {
    convenience init(apiStatus status: Pachyderm.Status, container: MastodonCachePersistentStore, context: NSManagedObjectContext) {
        self.init(context: context)
        self.updateFrom(apiStatus: status, container: container)
    }
    
    func updateFrom(apiStatus status: Pachyderm.Status, container: MastodonCachePersistentStore) {
        guard let context = managedObjectContext else {
            // we have been deleted, don't bother updating
            return
        }
        
        self.application = status.application?.name
        self.attachments = status.attachments
        self.bookmarked = status.bookmarked ?? false
        self.content = status.content
        self.createdAt = status.createdAt
        self.emojis = status.emojis
        self.favourited = status.favourited ?? false
        self.favouritesCount = status.favouritesCount
        self.hashtags = status.hashtags
        self.inReplyToAccountID = status.inReplyToAccountID
        self.inReplyToID = status.inReplyToID
        self.id = status.id
        self.mentions = status.mentions
        self.muted = status.muted ?? false
        self.pinned = status.pinned ?? false
        self.reblogged = status.reblogged ?? false
        self.reblogsCount = status.reblogsCount
        self.sensitive = status.sensitive
        self.spoilerText = status.spoilerText
        self.uri = status.uri
        self.visibility = status.visibility
        self.account = container.account(for: status.account.id, in: context) ?? AccountMO(apiAccount: status.account, container: container, context: context)
        if let reblog = status.reblog {
            self.reblog = container.status(for: reblog.id, in: context) ?? StatusMO(apiStatus: reblog, container: container, context: context)
        } else {
            self.reblog = nil
        }
    }
}