//
//  RoomControlView.swift
//  fiveConstant
//
//  Created by 李建 on 2023/2/13.
//

import SwiftUI

struct RoomControlView: View {
    @Environment(\.presentationMode) var presentationMode: Binding<PresentationMode>
    @EnvironmentObject var proState: ProgressState
    @State var roomInfo: RoomInfo
    var modeIcons = ["snow", "sun.max", "drop.degreesign.slash", "fanblades", "wind", "drop.degreesign"]
    var controller:RoomController
    
    var body: some View {
        VStack(spacing: 30) {
            // 标题栏
            HStack {
                Button(action: {
                    self.presentationMode.wrappedValue.dismiss()
                }, label: {
                    Image(systemName: "chevron.left")
                        .foregroundColor(.gray)
                })
                Spacer()
                Text("\(roomInfo.name!)")
                    .font(.title3).bold()
                Spacer()
                Image(systemName: "ellipsis")
                    .font(.title2.bold())
            }
            // 滑动温度调节器
            CircularSliderView(roomInfo: roomInfo).onDragEnd { value in
                controller.SetTemp(value: value)
            }
            // 信息条
            HStack {
                VStack(spacing: 11) {
                    Image(systemName: "thermometer.medium")
                        .foregroundColor(Color("MainColor"))
                        .font(.title2)
                    Text("\(roomInfo.temperature!)℃")
                        .foregroundColor(Color("SecondColor"))
                }
                Divider()
                    .frame(height: 50)
                    .padding()
                VStack(spacing: 11) {
                    Image(systemName: "drop.degreesign")
                        .foregroundColor(Color("MainColor"))
                        .font(.title2)
                    Text("\(roomInfo.humidity!)%")
                        .foregroundColor(Color("SecondColor"))
                }
                Divider()
                    .frame(height: 50)
                    .padding()
                VStack(spacing: 11) {
                    Image(systemName: "aqi.medium")
                        .foregroundColor(Color("MainColor"))
                        .font(.title2)
                    Text("\(roomInfo.air_quality!)")
                        .foregroundColor(Color("SecondColor"))
                }
                Divider()
                    .frame(height: 50)
                    .padding()
                VStack(spacing: 11) {
                    Image(systemName: "carbon.dioxide.cloud")
                        .foregroundColor(Color("MainColor"))
                        .font(.title2)
                    Text("\(roomInfo.co2)")
                        .foregroundColor(Color("SecondColor"))
                }
            }
            // 风速调节器
            HStack {
                Image(systemName: "fanblades.fill")
                    .foregroundColor(Color("SecondColor"))
                ZStack(alignment: .leading) {
                    HStack {
                        ForEach(1..<6, id: \.self) {index in
                            Capsule()
                                .fill(roomInfo.fan_speed! >= index ? Color("MainColor") :.gray.opacity(0.5))
                                .frame(height: 14)
                                .animation(.easeInOut, value: roomInfo.fan_speed! >= index)
                                .onTapGesture {
                                    roomInfo.fan_speed = index
                                    controller.SetFanSpeed(value: index)
                                }
                        }
                    }
                }
            }
            .padding(.leading, 20)
            .padding(.trailing, 20)
            // 模式调节
            ScrollView(.horizontal, showsIndicators: false) {
                HStack(spacing: 14) {
                    ForEach(modeIcons.indices, id: \.self) { index in
                        ModeButtonView(icon: modeIcons[index], roomData: $roomInfo, mode: index + 1).onTapGesture {
                            roomInfo.mode = index + 1
                            controller.SetMode(value: index + 1)
                        }
                    }
                }
            }
        
            // 底部按钮
            HStack {
                Button {
                    
                } label: {
                    Image(systemName: "power")
                        .foregroundColor(.white)
                        .font(.title)
                        .frame(maxWidth: .infinity, maxHeight: 80)
                        .background(roomInfo.power! ? Color("SecondColor") : .gray)
                        .cornerRadius(10)
                        .onTapGesture {
                            if roomInfo.power! {
                                 controller.PowerOff()
                            } else {
                                 controller.PowerOn()
                            }
                        }
                }
                Button {
                    
                } label: {
                    Image(systemName: "clock")
                        .foregroundColor(.white)
                        .font(.title)
                        .frame(width: 100)
                        .frame(maxHeight: 80)
                        .background(Color(hex: 0xE9F2F2).cornerRadius(10))
                }

            }
            Spacer()
        }
        .navigationBarBackButtonHidden(true)
        .padding()
    }
}

struct RoomControlView_Previews: PreviewProvider {
    static let json = """
    {"record_id":"1t7svi03170copjp9iimtd3z005isbfj","name":"样板间","home_id":"1t7svi01jj7copaplj7q47n170kd6hw6","home_name":"李建的家","is_master":true,"control_number":"1","user_id":"","power":true,"set_temp":27,"air_quality":10,"co2":800,"temperature":7,"humidity":40,"mode":3,"fan_speed":4,"fan_value":1,"timer_status":false,"duration":0}
    """.data(using: .utf8)!
    static var previews: some View {
        let decoder = JSONDecoder()
        let product = try? decoder.decode(RoomInfo.self, from: json)
        RoomControlView(roomInfo: product!, controller: RoomController(roomId: "1t7svi03170copjp9iimtd3z005isbfj", gatewayId: "", controlNumber: "1"))
            .environmentObject(ProgressState())
    }
}

struct ModeButtonView: View {
    var icon: String = ""
    @Binding var roomData: RoomInfo
    var mode: Int
    var body: some View {
        ZStack {
            RoundedRectangle(cornerRadius: 10)
                .fill(mode == roomData.mode! ? Color("MainColor") :Color(hex: 0xF0F5F6))
            Image(systemName: icon)
                .font(.title)
                .foregroundColor(mode == roomData.mode! ? .white : Color(hex:0xC4C2C2))
        }
        .frame(width: 70, height: 70)
    }
}