import SwiftUI
import Swinject

extension AutosensSettings {
    struct RootView: BaseView {
        let resolver: Resolver
        @StateObject var state = StateModel()
        @State private var shouldDisplayHint: Bool = false
        @State var hintDetent = PresentationDetent.large
        @State var selectedVerboseHint: AnyView?
        @State var hintLabel: String?
        @State private var decimalPlaceholder: Decimal = 0.0
        @State private var booleanPlaceholder: Bool = false

        @Environment(\.colorScheme) var colorScheme
        @EnvironmentObject var appIcons: Icons
        @Environment(AppState.self) var appState

        var body: some View {
            List {
                SettingInputSection(
                    decimalValue: $state.autosensMax,
                    booleanValue: $booleanPlaceholder,
                    shouldDisplayHint: $shouldDisplayHint,
                    selectedVerboseHint: Binding(
                        get: { selectedVerboseHint },
                        set: {
                            selectedVerboseHint = $0.map { AnyView($0) }
                            hintLabel = NSLocalizedString("Autosens Max", comment: "Autosens Max")
                        }
                    ),
                    units: state.units,
                    type: .decimal("autosensMax"),
                    label: NSLocalizedString("Autosens Max", comment: "Autosens Max"),
                    miniHint: "Upper limit of the Autosens Ratio.",
                    verboseHint:
                    VStack(alignment: .leading, spacing: 10) {
                        Text("Default: 120%").bold()
                        Text(
                            "Autosens Max sets the maximum Autosens Ratio used by Autosens, Dynamic ISF, and Sigmoid Formula."
                        )
                        Text(
                            "The Autosens Ratio is used to calculate the amount of adjustment needed to basal rates, ISF, and CR."
                        )
                        Text(
                            "Tip: Increasing this value allows automatic adjustments of basal rates to be higher, ISF to be lower, and CR to be lower."
                        )
                    },
                    headerText: "Glucose Deviations Algorithm"
                )

                SettingInputSection(
                    decimalValue: $state.autosensMin,
                    booleanValue: $booleanPlaceholder,
                    shouldDisplayHint: $shouldDisplayHint,
                    selectedVerboseHint: Binding(
                        get: { selectedVerboseHint },
                        set: {
                            selectedVerboseHint = $0.map { AnyView($0) }
                            hintLabel = NSLocalizedString("Autosens Min", comment: "Autosens Min")
                        }
                    ),
                    units: state.units,
                    type: .decimal("autosensMin"),
                    label: NSLocalizedString("Autosens Min", comment: "Autosens Min"),
                    miniHint: "Lower limit of the Autosens Ratio.",
                    verboseHint:
                    VStack(alignment: .leading, spacing: 10) {
                        Text("Default: 80%").bold()
                        Text(
                            "Autosens Min sets the minimum Autosens Ratio used by Autosens, Dynamic ISF, and Sigmoid Formula."
                        )
                        Text(
                            "The Autosens Ratio is used to calculate the amount of adjustment needed to basal rates, ISF, and CR."
                        )
                        Text(
                            "Tip: Decreasing this value allows automatic adjustments of basal rates to be lower, ISF to be higher, and CR to be higher."
                        )
                    }
                )

                SettingInputSection(
                    decimalValue: $decimalPlaceholder,
                    booleanValue: $state.rewindResetsAutosens,
                    shouldDisplayHint: $shouldDisplayHint,
                    selectedVerboseHint: Binding(
                        get: { selectedVerboseHint },
                        set: {
                            selectedVerboseHint = $0.map { AnyView($0) }
                            hintLabel = NSLocalizedString("Rewind Resets Autosens", comment: "Rewind Resets Autosens")
                        }
                    ),
                    units: state.units,
                    type: .boolean,
                    label: NSLocalizedString("Rewind Resets Autosens", comment: "Rewind Resets Autosens"),
                    miniHint: "Pump rewind initiates a reset in Autosens Ratio.",
                    verboseHint: VStack(alignment: .leading, spacing: 5) {
                        Text("Default: ON").bold()
                        Text("Medtronic Users Only").bold()
                        VStack(alignment: .leading, spacing: 10) {
                            Text(
                                "This feature resets the Autosens Ratio to neutral when you rewind your pump on the assumption that this corresponds to a site change."
                            )
                            Text(
                                "Autosens will begin learning sensitivity anew from the time of the rewind, which may take up to 6 hours."
                            )
                            Text(
                                "Tip: If you usually rewind your pump independently of site changes, you may want to consider disabling this feature."
                            )
                        }
                    }
                )
            }
            .listSectionSpacing(sectionSpacing)
            .sheet(isPresented: $shouldDisplayHint) {
                SettingInputHintView(
                    hintDetent: $hintDetent,
                    shouldDisplayHint: $shouldDisplayHint,
                    hintLabel: hintLabel ?? "",
                    hintText: selectedVerboseHint ?? AnyView(EmptyView()),
                    sheetTitle: "Help"
                )
            }
            .scrollContentBackground(.hidden).background(appState.trioBackgroundColor(for: colorScheme))
            .onAppear(perform: configureView)
            .navigationTitle("Autosens")
            .navigationBarTitleDisplayMode(.automatic)
        }
    }
}