alpha-wallet-ios/AlphaWallet/WalletConnect/ViewModel/WalletConnectSessionDetailsViewModel.swift

//
//  SessionDetailsViewModel.swift
//  AlphaWallet
//
//  Created by Vladyslav Shepitko on 02.07.2020.
//

import UIKit

struct WalletConnectSessionDetailsViewModel {

    private let server: WalletConnectServer
    private var isOnline: Bool {
        server.hasConnected(session: session)
    }

    var navigationTitle: String {
        return R.string.localizable.walletConnectTitle()
    }

    var walletImageIcon: UIImage? {
        return R.image.walletconnect()
    }

    var sessionIconURL: URL? {
        session.dAppInfo.peerMeta.icons.first
    }

    var statusRowViewModel: WallerConnectRawViewModel {
        return .init(
            text: R.string.localizable.walletConnectStatusPlaceholder(),
            details: isOnline ? R.string.localizable.walletConnectStatusOnline() : R.string.localizable.walletConnectStatusOffline(),
            detailsLabelFont: Fonts.semibold(size: 17),
            detailsLabelTextColor: isOnline ? R.color.green()! : R.color.danger()!,
            hideSeparatorOptions: .none
        )
    }

    var nameRowViewModel: WallerConnectRawViewModel {
        return .init(
            text: R.string.localizable.walletConnectSessionName(),
            details: session.dAppInfo.peerMeta.name,
            hideSeparatorOptions: .top
        )
    }

    var connectedToRowViewModel: WallerConnectRawViewModel {
        return .init(
            text: R.string.localizable.walletConnectSessionConnectedURL(),
            details: session.dAppInfo.peerMeta.url.absoluteString,
            hideSeparatorOptions: .top
        )
    }

    var chainRowViewModel: WallerConnectRawViewModel {
        if let server = server.urlToServer[session.url] {
            return .init(text: R.string.localizable.settingsNetworkButtonTitle(), details: server.name, hideSeparatorOptions: .top)
        } else {
            //Should be impossible
            return .init(text: R.string.localizable.settingsNetworkButtonTitle(), details: "-", hideSeparatorOptions: .top)
        }
    }

    var dissconnectButtonText: String {
        return R.string.localizable.walletConnectSessionDisconnect()
    }

    var isDisconnectAvailable: Bool {
        return isOnline
    }

    private let session: WalletConnectSession

    init(server: WalletConnectServer, session: WalletConnectSession) {
        self.server = server
        self.session = session
    }
}