From 9234dcd2e12dfc91ac7296bf7f990bfc5069ed0c Mon Sep 17 00:00:00 2001
From: gnezim <gnezim@gmail.com>
Date: Fri, 17 Apr 2026 01:22:15 +0300
Subject: [PATCH] Add canRegister visibility logic

---
 .../visibility/registrationVisibility.test.ts | 75 +++++++++++++++++++
 .../visibility/registrationVisibility.ts      | 22 ++++++
 2 files changed, 97 insertions(+)
 create mode 100644 src/features/online-board/components/BoardDetailsHeader/visibility/registrationVisibility.test.ts
 create mode 100644 src/features/online-board/components/BoardDetailsHeader/visibility/registrationVisibility.ts

diff --git a/src/features/online-board/components/BoardDetailsHeader/visibility/registrationVisibility.test.ts b/src/features/online-board/components/BoardDetailsHeader/visibility/registrationVisibility.test.ts
new file mode 100644
index 00000000..2cc723bb
--- /dev/null
+++ b/src/features/online-board/components/BoardDetailsHeader/visibility/registrationVisibility.test.ts
@@ -0,0 +1,75 @@
+import { describe, it, expect } from "vitest";
+import { canRegister } from "./registrationVisibility.js";
+import { AIRLINES } from "../airlines.js";
+import type { ISimpleFlight, FlightTransitionStatus } from "../../../types.js";
+
+function makeFlight(carrier: string, regStatus?: FlightTransitionStatus): ISimpleFlight {
+  const legBase = {
+    arrival: {
+      scheduled: { airport: "", airportCode: "", city: "", cityCode: "", countryCode: "" },
+      latest: { airport: "", airportCode: "", city: "", cityCode: "", countryCode: "" },
+      dispatch: "", gate: "", terminal: "",
+      times: { scheduledArrival: { dayChange: { value: 0, title: "" }, local: "", localTime: "", tzOffset: 0, utc: "" } },
+    },
+    dayChange: 0,
+    departure: {
+      scheduled: { airport: "", airportCode: "", city: "", cityCode: "", countryCode: "" },
+      latest: { airport: "", airportCode: "", city: "", cityCode: "", countryCode: "" },
+      dispatch: "", gate: "", terminal: "", checkingStatus: "Scheduled", parkingStand: "",
+      times: { scheduledDeparture: { dayChange: { value: 0, title: "" }, local: "", localTime: "", tzOffset: 0, utc: "" } },
+    },
+    equipment: {},
+    flags: { checkinAvailable: false, returnToAirport: false, routeChanged: false },
+    flyingTime: "1h",
+    index: 0,
+    operatingBy: {},
+    status: "Scheduled" as const,
+    updated: "",
+  };
+
+  const leg = regStatus
+    ? {
+        ...legBase,
+        transition: {
+          registration: {
+            start: {} as never,
+            end: {} as never,
+            status: regStatus,
+            isActual: true,
+          },
+        },
+      }
+    : legBase;
+
+  return {
+    id: "X-1",
+    routeType: "Direct",
+    flyingTime: "1h",
+    status: "Scheduled",
+    flightId: { carrier, flightNumber: "0022", suffix: "", date: "20260417" },
+    operatingBy: { carrier, flightNumber: "0022" },
+    leg,
+  } as ISimpleFlight;
+}
+
+describe("canRegister", () => {
+  it("returns true for SU with InProgress registration", () => {
+    expect(canRegister(makeFlight("SU", "InProgress"), AIRLINES)).toBe(true);
+  });
+
+  it("returns false for SU without InProgress registration", () => {
+    expect(canRegister(makeFlight("SU", "Scheduled"), AIRLINES)).toBe(false);
+  });
+
+  it("returns false for SU with no registration transition", () => {
+    expect(canRegister(makeFlight("SU"), AIRLINES)).toBe(false);
+  });
+
+  it("returns false for AF (no registration URL)", () => {
+    expect(canRegister(makeFlight("AF", "InProgress"), AIRLINES)).toBe(false);
+  });
+
+  it("returns false for unknown carrier", () => {
+    expect(canRegister(makeFlight("XX", "InProgress"), AIRLINES)).toBe(false);
+  });
+});
diff --git a/src/features/online-board/components/BoardDetailsHeader/visibility/registrationVisibility.ts b/src/features/online-board/components/BoardDetailsHeader/visibility/registrationVisibility.ts
new file mode 100644
index 00000000..19ce7ec5
--- /dev/null
+++ b/src/features/online-board/components/BoardDetailsHeader/visibility/registrationVisibility.ts
@@ -0,0 +1,22 @@
+import type { ISimpleFlight } from "../../../types.js";
+import type { AirlineConfig } from "../airlines.js";
+
+/**
+ * Registration button is visible when:
+ * - the operating carrier has a registrationUrl
+ * - the first leg's registration transition status is "InProgress"
+ */
+export function canRegister(
+  flight: ISimpleFlight,
+  airlineConfig: Record<string, AirlineConfig>,
+): boolean {
+  const carrier = flight.operatingBy.carrier;
+  if (!carrier) return false;
+  const config = airlineConfig[carrier];
+  if (!config?.registrationUrl) return false;
+
+  const leg = flight.routeType === "Direct" ? flight.leg : flight.legs[0];
+  if (!leg) return false;
+
+  return leg.transition?.registration?.status === "InProgress";
+}