import SwiftUI
import SherlockDebugForms

/// NOTE: Each view that owns `SherlockForm` needs to conform to `SherlockView` protocol.
@MainActor
struct RootView: View, SherlockView
{
    /// NOTE:
    /// `searchText` is required for `SherlockView` protocol.
    /// This is the only requirement to define as `@State`, and pass it to `SherlockForm`.
    @State public var searchText: String = ""

    @AppStorage("username")
    private var username: String = "John Appleseed"

    @AppStorage("language")
    private var languageSelection: Int = 0

    @AppStorage("status")
    private var status = Constant.Status.online

    ... // Many more @AppStorage properties...

    var body: some View
    {
        // NOTE:
        // `SherlockForm` and `xxxCell` are where all the search magic is happening!
        // Just treat `SherlockForm` as a normal `Form`, and use `Section` and plain SwiftUI views accordingly.
        SherlockForm(searchText: $searchText) {

            // Simple form cells.
            Section {
                textCell(title: "User", value: username)
                arrayPickerCell(title: "Language", selection: $languageSelection, values: Constant.languages)
                casePickerCell(title: "Status", selection: $status)
                toggleCell(title: "Low Power Mode", isOn: $isLowPowerOn)

                sliderCell(
                    title: "Speed",
                    value: $speed,
                    in: 0.5 ... 2.0,
                    step: 0.1,
                    maxFractionDigits: 1,
                    valueString: { "x\($0)" },
                    sliderLabel: { EmptyView() },
                    minimumValueLabel: { Image(systemName: "tortoise") },
                    maximumValueLabel: { Image(systemName: "hare") },
                    onEditingChanged: { print("onEditingChanged", $0) }
                )

                stepperCell(
                    title: "Font Size",
                    value: $fontSize,
                    in: 8 ... 24,
                    step: 1,
                    maxFractionDigits: 0,
                    valueString: { "\($0) pt" }
                )
            }

            // Navigation Link Cell (`navigationLinkCell`)
            Section {
                navigationLinkCell(
                    title: "UserDefaults",
                    destination: { UserDefaultsListView() }
                )
                navigationLinkCell(
                    title: "App Info",
                    destination: { AppInfoView() }
                )
                navigationLinkCell(
                    title: "Device Info",
                    destination: { DeviceInfoView() }
                )
                navigationLinkCell(title: "Custom Page", destination: {
                    CustomView()
                })
            }

            // Buttons
            Section {
                buttonCell(
                    title: "Reset UserDefaults",
                    action: {
                        Helper.deleteUserDefaults()
                        showHUD(.init(message: "Finished resetting UserDefaults"))
                    }
                )

                buttonDialogCell(
                    title: "Delete All Contents",
                    dialogTitle: nil,
                    dialogButtons: { completion in
                        Button("Delete All Contents", role: .destructive) {
                            try? Helper.deleteAllFilesAndCaches()
                            showHUD(.init(message: "Finished deleting all contents"))
                            completion()
                        }
                        Button("Cancel", role: .cancel) {
                            print("Cancelled")
                            completion()
                        }
                    }
                )
            }
        }
        .navigationTitle("Settings")
        // NOTE:
        // Use `formCopyable` here to allow ALL `xxxCell`s to be copyable.
        .formCopyable(true)
    }
}

import SwiftUI
import SherlockHUD

@main
struct MyApp: App
{
    var body: some Scene
    {
        WindowGroup {
            NavigationView {
                RootView()
            }
            .enableSherlockHUD(true) // Set at the topmost view!
        }
    }
}

@MainActor
struct RootView: View
{
    /// Attaching `.enableSherlockHUD(true)` to topmost view will allow using `showHUD`.
    @Environment(\.showHUD)
    private var showHUD: (HUDMessage) -> Void

    var body: some View
    {
        VStack(spacing: 16) {
            Button("Tap") {
                showHUD(HUDMessage(message: "Hello SherlockForms!", duration: 2, alignment: .top))
                // alignment = top / center / bottom (default)
                // Can also attach custom view e.g. ProgressView. See also `HUDMessage.loading`.
            }
        }
        .font(.largeTitle)
    }
}