//
//  + MessagesDisplayDelegate.swift
//  PayCash
//
//  Created by Saveliy Stavitsky on 2/9/21.
//  Copyright © 2021 AM. All rights reserved.
//

import MessageKit
import UIKit

extension CryptoChatControllerChat: MessagesDisplayDelegate {

    func enabledDetectors(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> [DetectorType] {
        return [.url, .address, .phoneNumber, .date, .transitInformation]
    }

    func messageStyle(for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> MessageStyle {

        let tail: MessageStyle.TailCorner = isFromCurrentSender(message: message) ? .bottomRight : .bottomLeft
        return .bubble
    }

    func backgroundColor(for message: MessageType, at  indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> UIColor {
        let msg = messages[messages.count - loadedMsgsCount + indexPath.section]
        if !msg.isInSyncWithBlockchain {
            return (msg.timestamp < msgsHistoryService.lastSyncTimestamp || (msg.isUnsent == true))
                ? Asset.brick.color
                : Asset.deepWater.color.withAlphaComponent(0.05)
        } else {
            return isFromCurrentSender(message: message)
                ? Asset.deepWater.color.withAlphaComponent(0.1)
                : Asset.marble.color
        }
    }

    func configureAccessoryView(_ accessoryView: UIView, for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) {
            // Cells are reused, so only add a button here once. For real use you would need to
            // ensure any subviews are removed if not needed
            accessoryView.subviews.forEach { $0.removeFromSuperview() }

        let msg = messages[messages.count - loadedMsgsCount + indexPath.section]
        if (!msg.isInSyncWithBlockchain && msg.timestamp < msgsHistoryService.lastSyncTimestamp)
            || (msg.isUnsent == true) {
            let button = UIImageView()
//            button.tintColor = .primaryColor
            accessoryView.addSubview(button)
            button.frame = accessoryView.bounds
            button.isUserInteractionEnabled = true // respond to accessoryView tap through `MessageCellDelegate`
//            button.setImage(Asset.chatsRefresh.image, for: .normal)
            button.image = Asset.chatsRefresh.image

            let tap1 = UITapGestureRecognizer(trailingClosure: {
                let data = msg.data
                self.msgsHistoryService.deleteMsg(ephemPublicKey: msg.id)
                self.loadedMsgsCount -= 1
                self.messagesCollectionView.reloadData()
                self.sendMsg(msgText: data)
            })
            button.addGestureRecognizer(tap1)

//            accessoryView.backgroundColor = UIColor.darkGray.withAlphaComponent(0.3)
        } else if case let .photo(img) = message.kind, let image = img.image {
            let button = UIImageView()
            accessoryView.addSubview(button)
            button.frame = accessoryView.bounds
            button.isUserInteractionEnabled = true // respond to accessoryView tap through `MessageCellDelegate`
            button.image = Asset.chatDownload.image

            let tap1 = UITapGestureRecognizer(trailingClosure: {

                let convertedImage = image.jpegData(compressionQuality: 1)
                    .flatMap(UIImage.init)?
                    .rotate(radians: .pi)
                    ?? image

                let imageToShare = [convertedImage]
                let activityViewController = UIActivityViewController(activityItems: imageToShare, applicationActivities: nil)

                activityViewController.popoverPresentationController?.sourceView = self.view // so that iPads won't crash

                self.present(activityViewController, animated: true, completion: nil)
            })
            button.addGestureRecognizer(tap1)
        }
    }
}