//
//  ServerDetailView.swift
//  iKeyMon
//
//  Created by tracer on 30.03.25.
//

import SwiftUI

struct ServerDetailView: View {
    @Binding var server: Server
    var isFetching: Bool
    @AppStorage("showIntervalIndicator") private var showIntervalIndicator: Bool = true
    
    @State private var progress: Double = 0
    let timer = Timer.publish(every: 1.0 / 60.0, on: .main, in: .common).autoconnect()
    
    var body: some View {
        VStack(spacing: 0) {
            if showIntervalIndicator {
                ProgressView(value: progress)
                    .progressViewStyle(LinearProgressViewStyle())
                    .padding(.horizontal)
                    .frame(height: 2)
            }
            
            if server.info == nil {
                ProgressView("Fetching server info...")
                    .frame(maxWidth: .infinity, maxHeight: .infinity)
            } else {
                ZStack(alignment: .topTrailing) {
                    VStack(spacing: 0) {
                        Spacer().frame(height: 6)
                        TabView {
                            GeneralView(server: $server)
                                .tabItem {
                                    Text("General")
                                }
                            ResourcesView(server: $server)
                                .tabItem {
                                    Text("Resources")
                                }
                            ServicesView(server: $server)
                                .tabItem {
                                    Text("Services")
                                }
                        }
                    }
                    
                    if isFetching {
                        ProgressView()
                            .scaleEffect(0.5)
                            .padding()
                    }
                }
                .padding(0)
            }
        }
        .onReceive(timer) { _ in
            guard showIntervalIndicator else { return }
            withAnimation(.linear(duration: 1.0 / 60.0)) {
                progress += 1.0 / (60.0 * 60.0)
                if progress >= 1 { progress = 0 }
            }
        }
    }
}

#Preview {
    ServerDetailView(
        server: .constant(Server(id: UUID(), hostname: "preview.example.com", info: ServerInfo.placeholder)),
        isFetching: false
    )
}