import SwiftUI

struct ContentView: View {
    @StateObject private var viewModel = MainViewModel()
    @Environment(\.scenePhase) private var scenePhase

    var body: some View {
        NavigationStack {
            Form {
                Section("Paylaşılan Link") {
                    TextField("https://www.netflix.com/tr/title/...", text: $viewModel.sharedURL)
                        .textInputAutocapitalization(.never)
                        .autocorrectionDisabled(true)
                        .keyboardType(.URL)

                    Button("Backend'den Getir") {
                        Task { await viewModel.fetch() }
                    }
                    .disabled(viewModel.isLoading)
                }

                if viewModel.isLoading {
                    Section {
                        HStack {
                            ProgressView()
                            Text("Veri alınıyor...")
                        }
                    }
                }

                if let error = viewModel.errorMessage {
                    Section("Hata") {
                        Text(error)
                            .foregroundStyle(.red)
                    }
                }

                if let result = viewModel.result {
                    Section("Sonuç") {
                        KeyValueRow(key: "Provider", value: result.provider)
                        KeyValueRow(key: "Title", value: result.title)
                        KeyValueRow(key: "Year", value: result.year.map(String.init) ?? "-")
                        KeyValueRow(key: "Type", value: result.type)
                        KeyValueRow(key: "Age Rating", value: result.ageRating ?? "-")
                        KeyValueRow(key: "Current Season", value: result.currentSeason.map(String.init) ?? "-")
                        KeyValueRow(key: "Genres", value: result.genres.joined(separator: ", "))
                        KeyValueRow(key: "Cast", value: result.cast.joined(separator: ", "))
                        KeyValueRow(key: "Plot", value: result.plot ?? "-")
                    }
                }
            }
            .navigationTitle("Ratebubble")
        }
        .onAppear {
            viewModel.consumeSharedURLIfAny()
        }
        .onOpenURL { _ in
            viewModel.consumeSharedURLIfAny()
        }
        .onChange(of: scenePhase) { phase in
            if phase == .active {
                viewModel.consumeSharedURLIfAny()
            }
        }
    }
}

private struct KeyValueRow: View {
    let key: String
    let value: String

    var body: some View {
        VStack(alignment: .leading, spacing: 4) {
            Text(key)
                .font(.caption)
                .foregroundStyle(.secondary)
            Text(value.isEmpty ? "-" : value)
                .font(.body)
        }
        .padding(.vertical, 2)
    }
}