yattee/Shared/Settings/InstanceForm.swift

184 lines
4.6 KiB
Swift

import SwiftUI
struct InstanceForm: View {
@Binding var savedInstanceID: Instance.ID?
@State private var name = ""
@State private var url = ""
@State private var app: VideosApp?
@State private var isValid = false
@State private var isValidated = false
@State private var isValidating = false
@State private var validationError: String?
@State private var validationDebounce = Debounce()
@Environment(\.colorScheme) private var colorScheme
@Environment(\.presentationMode) private var presentationMode
@ObservedObject private var accounts = AccountsModel.shared
var body: some View {
VStack(alignment: .leading) {
Group {
header
form
#if os(macOS)
VStack {
validationStatus
}
.frame(minHeight: 60, alignment: .topLeading)
.padding(.horizontal, 15)
#endif
footer
}
.frame(maxWidth: 1000)
}
.onChange(of: url) { _ in validate() }
#if os(iOS)
.padding(.vertical)
#elseif os(tvOS)
.frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity)
.background(Color.background(scheme: colorScheme))
#else
.frame(width: 400, height: 180)
.padding(.vertical)
#endif
}
private var header: some View {
HStack {
Text("Add Location")
.font(.title2.bold())
Spacer()
Button("Cancel") {
presentationMode.wrappedValue.dismiss()
}
#if !os(tvOS)
.keyboardShortcut(.cancelAction)
#endif
}
.padding(.horizontal)
}
private var form: some View {
#if !os(tvOS)
Form {
formFields
#if os(macOS)
.padding(.horizontal)
#endif
}
#else
formFields
#endif
}
private var formFields: some View {
Group {
TextField("Name", text: $name)
TextField("Address", text: $url)
#if !os(macOS)
.autocapitalization(.none)
.keyboardType(.URL)
#endif
#if os(tvOS)
VStack {
validationStatus
}
.frame(minHeight: 100)
#elseif os(iOS)
validationStatus
#endif
}
}
@ViewBuilder var validationStatus: some View {
Section {
if url.isEmpty {
Text("Enter location address to connect...")
.frame(maxWidth: .infinity, alignment: .leading)
.foregroundColor(.secondary)
} else {
AccountValidationStatus(
app: $app,
isValid: $isValid,
isValidated: $isValidated,
isValidating: $isValidating,
error: $validationError
)
}
}
}
private var footer: some View {
HStack {
Spacer()
Button("Save", action: submitForm)
.disabled(!isValid)
#if !os(tvOS)
.keyboardShortcut(.defaultAction)
#endif
}
#if os(tvOS)
.padding(.top, 30)
#endif
.padding(.horizontal)
}
var validator: AccountValidator {
AccountValidator(
app: $app,
url: url,
id: $url,
isValid: $isValid,
isValidated: $isValidated,
isValidating: $isValidating,
error: $validationError
)
}
func validate() {
isValid = false
validationDebounce.invalidate()
guard !url.isEmpty else {
validator.reset()
return
}
isValidating = true
validationDebounce.debouncing(2) {
validator.validateInstance()
}
}
func submitForm() {
guard isValid, let app else {
return
}
let savedInstance = InstancesModel.shared.add(app: app, name: name, url: url)
savedInstanceID = savedInstance.id
if accounts.isEmpty {
accounts.setCurrent(savedInstance.anonymousAccount)
}
presentationMode.wrappedValue.dismiss()
}
}
struct InstanceFormView_Previews: PreviewProvider {
static var previews: some View {
InstanceForm(savedInstanceID: .constant(nil))
}
}