/**
 * TrackerMap
 * Copyright (C) 2021-2022  Iván Ávalos <avalos@disroot.org>, Henoch Ojeda <imhenoch@protonmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
import SwiftUI
import shared

struct DeviceRow: View {
    var unit: UnitInformation
    
    enum Action {
        case details
        case reports
        case commands
        case close
    }
    var callback: (Action) -> ()
    var isCell: Bool = true
    
    @State var isSheet: Bool = false
    
    var body: some View {
        if isCell {
            let row = HStack {
                /* MARK: - Device icon */
                let category = Marker.companion.categoryToMarkerType(category: unit.device.category)
                Image(MarkerTransformations.markerTypeToImageName(markerType: category))
                    .sizeToFitSquare(sideLength: 40.0)
                    .padding(5.0)
                
                getSharedContent()
            }
            
            /* MARK: - Device actions */
            if #available(iOS 15, *) {
                row.swipeActions(edge: .trailing, allowsFullSwipe: false) {
                    getActionButtons()
                }
            } else {
                row.contextMenu {
                    getActionButtons()
                }
            }
        } else {
            VStack {
                getSharedContent()
                HStack {
                    getActionButtons()
                }
            }
            .padding(2.0)
        }
    }
    
    @ViewBuilder
    func getSharedContent() -> some View {
        VStack {
            HStack {
                /* MARK: - Status icon */
                switch (unit.getStatus()) {
                case .online:
                    Image(systemName: "circle.fill")
                        .foregroundColor(.systemGreen)
                        .imageScale(.small)
                case .offline:
                    Image(systemName: "circle.fill")
                        .foregroundColor(.systemRed)
                        .imageScale(.small)
                default:
                    EmptyView()
                }
                
                /* MARK: - Engine stop */
                switch (unit.getEngineStop()) {
                case .on:
                    Image(systemName: "lock.fill")
                        .foregroundColor(.systemRed)
                        .imageScale(.small)
                case .off:
                    Image(systemName: "lock.open.fill")
                        .foregroundColor(.systemGreen)
                        .imageScale(.small)
                default:
                    EmptyView()
                }
                
                /* MARK: - Device name */
                Text(unit.device.name)
                Spacer()
                
                /* MARK: - Close button */
                if !isCell {
                    Button {
                        callback(.close)
                    } label: {
                        Image(systemName: "xmark")
                            .foregroundColor(.secondary)
                    }
                }
            }
            .padding(.bottom, 5.0)
            
            /* MARK: - Driver */
            if let contact = unit.device.contact {
                HStack {
                    Label(contact, systemImage: "person")
                        .labelStyle(SmallLabelStyle())
                    Spacer()
                }
            }
            
            /* MARK: - Speed */
            if let speed = unit.position?.speed {
                HStack {
                    Label(Formatter.companion.formatSpeed(
                        speed: Double(truncating: speed),
                        unit: .kmh),
                          systemImage: "speedometer")
                        .labelStyle(SmallLabelStyle())
                    Spacer()
                }
            }
            
            /* MARK: - Address */
            if let address = unit.position?.address {
                HStack {
                    Label(address, systemImage: "mappin.and.ellipse")
                        .labelStyle(SmallLabelStyle())
                    Spacer()
                }
            }
            
            /* MARK: - Hourmeter */
            if let hourmeter = Int64(truncating: unit.getHourmeter() ?? 0),
               hourmeter >= 60 * 60 * 1000 {
                HStack {
                    Label(Formatter.companion.formatHours(millis: hourmeter),
                          systemImage: "timer")
                        .labelStyle(SmallLabelStyle())
                    Spacer()
                }
            }
            
            /* MARK: - Date time */
            if let datetime = unit.position?.fixTime {
                HStack {
                    Label(Formatter.companion.formatDate(str: datetime),
                          systemImage: "calendar")
                        .labelStyle(SmallLabelStyle())
                    Spacer()
                }
            }
        }
    }
    
    @ViewBuilder
    func getActionButtons() -> some View {
        let details = Button { callback(.details) } label: {
            Label("details", systemImage: "info.circle")
        }
        
        let reports = Button { callback(.reports) } label: {
            Label("reports", systemImage: "clock")
        }
        
        let commands = Button { callback(.commands) } label: {
            Label("commands", systemImage: "paperplane")
        }
        
        if isCell {
            commands
            reports
            details
        } else {
            Group {
                details
                reports
                commands
            }
            .frame(maxWidth: .infinity)
            .labelStyle(.titleOnly)
            .padding(5.0)
        }
    }
}