import ApplicationLibrary
import Library
import SwiftUI

struct SidebarView: View {
    @Environment(\.selection) private var selection
    @Environment(\.extensionProfile) private var extensionProfile

    var body: some View {
        viewBuilder {
            if let profile = extensionProfile.wrappedValue {
                SidebarView0().environmentObject(profile)
            } else {
                SidebarView1()
            }
        }
    }

    struct SidebarView0: View {
        @Environment(\.selection) private var selection
        @EnvironmentObject private var extensionProfile: ExtensionProfile

        var body: some View {
            List(NavigationPage.allCases.filter { it in
                it.visible(extensionProfile)
            }, selection: selection) { it in
                it.label
            }.onChange(of: extensionProfile.status) { _ in
                if !selection.wrappedValue.visible(extensionProfile) {
                    selection.wrappedValue = NavigationPage.dashboard
                }
            }
        }
    }

    struct SidebarView1: View {
        @Environment(\.selection) private var selection

        var body: some View {
            List(NavigationPage.allCases.filter { it in
                it.visible(nil)
            }, selection: selection) { it in
                it.label
            }
        }
    }
}