Files
fuelboard/FuelBoard/StationDetailView.swift
T
FuelBoard Contributor 1b2bdd46ea More info sheet: give the two station actions their own card below the map
Sharing the map's section made the buttons read as part of the map card and
the map tap target. They now sit in their own section, rendering as a
separate card directly beneath the map.
2026-10-14 12:07:54 +01:00

275 lines
13 KiB
Swift

import SwiftUI
import MapKit
import UIKit
/// DEBUG-only explanation of the Best Value numbers for one station. It carries
/// no precise user coordinates and is never persisted.
struct FuelSavingsJourneyDiagnostics {
let rows: [(label: String, value: String)]
}
/// Detail sheet for a tapped station (when Settings → Tap station = More info).
/// Shows a small map preview, the address, distance from the current location,
/// and a Directions button that opens Apple Maps — the same destination a direct
/// tap would have opened. The station name lives in the sheet header, not in a
/// row.
struct StationDetailView: View {
let station: FuelStation
let location: Coordinate?
let distanceUnit: DistanceUnit
var fuelSavings: FuelSavingsAvailability? = nil
var fuelSavingsAmount: FuelSavingsFillAmount = FuelSavingsSettings.defaultPreferredAmount
var savingsBaselineStationName: String? = nil
var journeyDiagnostics: FuelSavingsJourneyDiagnostics? = nil
/// Whether this station is starred for the fuel currently being viewed, and
/// the toggle that flips it. Passed from the list that opened the sheet, so
/// the star here and the star on the row are the same fuel-scoped
/// favourite and cannot drift apart.
var isFavourite: Bool = false
var onToggleFavourite: (() -> Void)? = nil
@Environment(\.dismiss) private var dismiss
@State private var showingReportIssueConfirmation = false
/// Transient "Copied" confirmation on the Address row. Cleared by a task so
/// the caption fades out on its own.
@State private var showingCopied = false
@State private var copyResetTask: Task<Void, Never>?
private let reportIssueURL = URL(string: "https://www.gov.uk/guidance/report-an-error-in-fuel-prices-or-forecourt-details")!
private var stationCoordinate: CLLocationCoordinate2D {
CLLocationCoordinate2D(latitude: station.lat, longitude: station.lng)
}
/// The row's address text — the same shared line the listing row uses, with
/// any leading repeat of the station name stripped.
private var addressLine: String {
StationAddressLine.display(address: station.address,
postcode: station.postcode,
name: station.name)
}
/// The station's postcode, trimmed. Empty means there is nothing to copy and
/// the Address row stays inert.
private var postcodeForCopying: String {
station.postcode.trimmingCharacters(in: .whitespacesAndNewlines)
}
/// Opens Apple Maps driving directions — the same destination (and the same
/// URL) the Directions button below uses, so the map and the button can
/// never point at two different places.
private func openDirections() {
if let url = station.mapsDirectionsURL {
UIApplication.shared.open(url)
}
}
/// Copies ONLY the postcode, so it can be pasted into another navigation app
/// without dragging the station name and street along with it. Confirms with
/// a light haptic and a caption that fades after ~2s.
private func copyPostcode() {
let postcode = postcodeForCopying
guard !postcode.isEmpty else { return }
UIPasteboard.general.string = postcode
UINotificationFeedbackGenerator().notificationOccurred(.success)
withAnimation(.easeInOut(duration: 0.2)) { showingCopied = true }
copyResetTask?.cancel()
copyResetTask = Task {
try? await Task.sleep(nanoseconds: 2_000_000_000)
guard !Task.isCancelled else { return }
withAnimation(.easeInOut(duration: 0.3)) { showingCopied = false }
}
}
var body: some View {
NavigationStack {
List {
Section {
// Tapping anywhere on the map opens the same Apple Maps
// directions the Directions button below opens.
//
// The tap target is an OVERLAY Button laid ON TOP of the
// Map, not a Button wrapping it. A Map runs its own UIKit
// view, and inside a List row the wrapped-Map form left the
// card untappable — the touch never reached the button. An
// overlay sits above the map, owns an explicit rounded-rect
// content shape, and cannot be intercepted by MapKit. The
// Map itself stays non-interactive: it is a preview, not
// something to pan.
Map(position: .constant(.region(MKCoordinateRegion(
center: stationCoordinate,
span: MKCoordinateSpan(latitudeDelta: 0.02, longitudeDelta: 0.02)
)))) {
Marker(station.name, coordinate: stationCoordinate)
.tint(.red)
}
.frame(height: 180)
.clipShape(RoundedRectangle(cornerRadius: 12))
.allowsHitTesting(false)
.overlay {
Button {
openDirections()
} label: {
Color.clear
.contentShape(RoundedRectangle(cornerRadius: 12))
}
.buttonStyle(.plain)
.accessibilityLabel(String(localized: "Directions to \(station.name)",
comment: "Accessibility label for the tappable map preview in the More info sheet"))
.accessibilityHint(String(localized: "Opens Apple Maps with driving directions",
comment: "Accessibility hint for the tappable map preview in the More info sheet"))
}
.listRowInsets(EdgeInsets())
}
// The two station actions live in their OWN section, so they
// render as a separate card BELOW the map instead of sharing the
// map's card and looking attached to the map tap target.
Section {
HStack(spacing: 12) {
Button {
openDirections()
} label: {
Label("Directions", systemImage: "arrow.triangle.turn.up.right.diamond.fill")
.frame(maxWidth: .infinity)
}
Button(role: .destructive) {
showingReportIssueConfirmation = true
} label: {
Label("Report issue", systemImage: "exclamationmark.bubble.fill")
.frame(maxWidth: .infinity)
}
}
}
Section {
// The station name is NOT repeated here: the sheet header
// (navigationTitle, inline) already shows it, and the address
// line below has any leading repeat of the name stripped, so
// a "Name" row only said it twice.
//
// The whole row is a copy control: it puts JUST the postcode
// on the clipboard so it can be pasted into another
// navigation app. The copy glyph and its "Copied"
// confirmation share a SECOND line that is always there, so
// the confirmation can never reflow the address above it.
Button {
copyPostcode()
} label: {
VStack(alignment: .leading, spacing: 6) {
HStack(alignment: .firstTextBaseline, spacing: 8) {
Text("Address")
Spacer(minLength: 8)
Text(addressLine)
.multilineTextAlignment(.trailing)
.foregroundStyle(.secondary)
}
HStack(spacing: 4) {
Spacer(minLength: 0)
if showingCopied {
Text("Copied")
.foregroundStyle(.green)
.transition(.opacity)
}
Image(systemName: showingCopied ? "checkmark" : "doc.on.doc")
.foregroundStyle(showingCopied ? Color.green : Color.secondary)
}
.font(.footnote.weight(.semibold))
}
}
.buttonStyle(.plain)
.disabled(postcodeForCopying.isEmpty)
.accessibilityLabel(String(localized: "Address: \(addressLine)",
comment: "Accessibility label for the address row in the More info sheet"))
.accessibilityHint(postcodeForCopying.isEmpty
? ""
: String(localized: "Copies the postcode",
comment: "Accessibility hint for the address row in the More info sheet"))
if let location {
let distance = FuelStore.stationDistanceDisplay(
station: station, userLat: location.lat, userLng: location.lng
)
LabeledContent("Distance", value: distance.labelWithReturn(unit: distanceUnit))
.monospacedDigit()
}
ForEach(StationNotice.notices(for: station)) { notice in
Label(notice.title, systemImage: notice.symbolName)
.font(.subheadline.weight(.semibold))
.foregroundStyle(.orange)
.padding(.horizontal, 10)
.padding(.vertical, 6)
.background(Capsule().fill(Color.orange.opacity(0.14)))
}
}
// Only shown while Fuel Savings backs it. `fuelSavings` is nil
// when the feature is off — `savingsLookup` returns nil when it
// is not configured — so the heading cannot be left dangling
// over an empty section.
if let fuelSavings {
Section {
FuelSavingsSummaryView(
availability: fuelSavings,
amount: fuelSavingsAmount,
baselineStationName: savingsBaselineStationName,
distanceUnit: distanceUnit
)
} header: {
Text("Best Value")
}
}
#if DEBUG
if let journeyDiagnostics {
Section("Best Value Diagnostics") {
ForEach(journeyDiagnostics.rows, id: \.label) { row in
LabeledContent(row.label, value: row.value)
.font(.caption)
.monospacedDigit()
}
}
}
#endif
}
.navigationTitle(station.name)
.navigationBarTitleDisplayMode(.inline)
.alert("Report an error?", isPresented: $showingReportIssueConfirmation) {
Button("Cancel", role: .cancel) { }
Button("Report") {
UIApplication.shared.open(reportIssueURL)
}
} message: {
Text("Are you sure you want to report an error in fuel prices or forecourt details? This will open in your chosen browser.")
}
.toolbar {
ToolbarItem(placement: .cancellationAction) {
Button("Done") { dismiss() }
}
ToolbarItem(placement: .confirmationAction) {
Button {
onToggleFavourite?()
} label: {
Image(systemName: isFavourite ? "star.fill" : "star")
}
.tint(isFavourite ? Color.yellow : nil)
.disabled(onToggleFavourite == nil)
.accessibilityLabel(
isFavourite
? String(localized: "Remove from favourites", comment: "Unstar a station from the More info sheet")
: String(localized: "Add to favourites", comment: "Star a station from the More info sheet")
)
}
}
// The "Copied" fade-out task must not outlive the sheet.
.onDisappear { copyResetTask?.cancel() }
#if DEBUG
// QA hook: `-qaCopyPostcode` runs the REAL copy on open, so the
// clipboard value (read back with `xcrun simctl pbpaste`) and the
// "Copied" confirmation can be verified without a tap — simctl
// cannot drive taps into the Simulator.
.task {
guard ProcessInfo.processInfo.arguments.contains("-qaCopyPostcode") else { return }
copyPostcode()
}
#endif
}
}
}