Maintenance: distance wear, broken-state burn ×1.5, repair action (ISS-069, v0.39.0)

lib/game/actions.ts

@@ -9,12 +9,15 @@ import { requiredFuelFor, windBurnFactor } from '@/lib/sim/movement';
 import { runAction } from '@/lib/sim/engine';
 import { getStateSnapshot, parseIcaoQueue } from './state';
 import {
+  conditionBurnMultiplier,
   FUEL_DISCOUNT_PER_REP,
   FUEL_PRICE_PER_L,
   MAX_FUEL_DISCOUNT,
   MAX_PLANE_DISCOUNT,
   PLANE_DISCOUNT_PER_REP,
   PLANE_TYPES,
+  REPAIR_COST,
+  REPAIR_DURATION_MS,
   repRate,
   SELL_FRACTION,
 } from './catalog';
@@ -118,8 +121,9 @@ export async function flyPlane(inst: GameDb, planeId: string, destIcao: string):
   const distanceKm = haversineKm(origin.lat, origin.lon, destFeature.properties.lat, destFeature.properties.lon);
   // Weighted burn model (v0.16.0): the leg needs enough fuel to cover it arriving empty; wind-
   // adjusted (v0.36.0) by departure weather vs route heading — every call site uses this same factor.
+  // v0.39.0 (ISS-069): a broken plane (health ≤ 0) burns BROKEN_BURN_MULTIPLIER × more per km.
   const w = weatherFor(plane.locationIcao);
-  const burnPerKm = type.burnPerKm * windBurnFactor(w.windKt, w.windDirDeg, initialBearingDeg(origin.lat, origin.lon, destFeature.properties.lat, destFeature.properties.lon));
+  const burnPerKm = type.burnPerKm * windBurnFactor(w.windKt, w.windDirDeg, initialBearingDeg(origin.lat, origin.lon, destFeature.properties.lat, destFeature.properties.lon)) * conditionBurnMultiplier(plane.health);
   const requiredL = requiredFuelFor(burnPerKm, type.emptyWeightKg, type.maxFuel, distanceKm);
   if (requiredL > plane.fuel) {
     throw new GameActionError(409, `insufficient fuel: the leg needs ${Math.round(requiredL)} L but the plane has ${Math.round(plane.fuel)} L`);
@@ -284,6 +288,7 @@ export async function buyPlane(inst: GameDb, model: string): Promise<{ planeId:
     lat: home.lat,
     lon: home.lon,
     departureSimTime: null,
+    health: 100, // new planes arrive at full health (v0.39.0, ISS-069)
   });
   await inst.db.update(schema.account).set({ cash: Math.round((account.cash - cost) * 100) / 100 });
   await persist(inst);
@@ -367,10 +372,11 @@ export async function refuelPlane(inst: GameDb, planeId: string, opts: RefuelOpt
     const origin = await airportByIcao(plane.locationIcao);
     const dest = await airportByIcao(pkg.destIcao);
     const distanceKm = haversineKm(origin.lat, origin.lon, dest.lat, dest.lon);
-    // Same wind-adjusted requirement flyPlane checks (v0.36.0) — departure weather vs route heading.
+    // Same wind-adjusted requirement flyPlane checks (v0.36.0) — departure weather vs route heading;
+    // v0.39.0 (ISS-069): broken planes burn BROKEN_BURN_MULTIPLIER × more, same factor as flyPlane.
     const w = weatherFor(plane.locationIcao);
     const requiredL = requiredFuelFor(
-      type.burnPerKm * windBurnFactor(w.windKt, w.windDirDeg, initialBearingDeg(origin.lat, origin.lon, dest.lat, dest.lon)),
+      type.burnPerKm * windBurnFactor(w.windKt, w.windDirDeg, initialBearingDeg(origin.lat, origin.lon, dest.lat, dest.lon)) * conditionBurnMultiplier(plane.health),
       type.emptyWeightKg,
       type.maxFuel,
       distanceKm,
@@ -404,6 +410,38 @@ export async function refuelPlane(inst: GameDb, planeId: string, opts: RefuelOpt
   return { cost };
 }
 
+// --- Repair (POST /api/planes/:planeId/repair) — v0.39.0 (ISS-069) ---
+
+// Restore a worn-out plane to full health for the flat REPAIR_COST; it is grounded in 'repairing'
+// status until sim.clockMs + REPAIR_DURATION_MS, when the engine's tick flips it back to
+// 'available'. Only GROUNDED planes can be repaired (409 otherwise); an already-full-health
+// repair is a free no-op (mirrors refuel's). 404 unknown plane; 409 not grounded / insufficient funds.
+export async function repairPlane(inst: GameDb, planeId: string): Promise<{ cost: number }> {
+  const rows = await inst.db.select().from(schema.planes).where(eq(schema.planes.id, planeId));
+  const plane = rows[0];
+  if (!plane) throw new GameActionError(404, `plane ${planeId} not found`);
+  if (plane.status !== 'available') {
+    throw new GameActionError(409, `plane is ${plane.status}, only grounded planes can be repaired`);
+  }
+  // Free no-op when the plane is already at full health — nothing to repair.
+  if (plane.health >= 100) return { cost: 0 };
+
+  const sim = (await inst.db.select().from(schema.simState))[0];
+  if (!sim) throw new Error('sim_state row missing');
+  const account = (await inst.db.select().from(schema.account))[0];
+  if (!account) throw new Error('account row missing');
+  if (account.cash < REPAIR_COST) {
+    throw new GameActionError(409, `insufficient funds: repair costs ${REPAIR_COST}, you have ${Math.round(account.cash)}`);
+  }
+
+  await inst.db.update(schema.planes)
+    .set({ health: 100, status: 'repairing', repairUntilSimTime: sim.clockMs + REPAIR_DURATION_MS })
+    .where(eq(schema.planes.id, planeId));
+  await inst.db.update(schema.account).set({ cash: Math.round((account.cash - REPAIR_COST) * 100) / 100 });
+  await persist(inst);
+  return { cost: REPAIR_COST };
+}
+
 // --- Route helper (response convention, v0.8.0) ---
 
 // Run an action under the sim lock — tick FIRST so validation/mutation see current