import type { Upgrade } from "../schemas";

/**
 * Ship upgrades (CR-009 §2). Percentages are of the model's base stat and add
 * up across levels. Overrides keep models distinct (decision 0.5.67) and give a
 * maxed Courier a reach to Mars near closest approach only (decision 0.5.68).
 */
export const upgrades: Upgrade[] = [
  {
    id: "engines",
    name: "Engine Tuning",
    stat: "cruiseSpeedKmPerGameHour",
    percentPerLevel: 10,
    maxLevel: 3,
  },
  {
    id: "cargo-bay",
    name: "Cargo Bay Expansion",
    stat: "cargoCapacityTonnes",
    percentPerLevel: 15,
    maxLevel: 3,
  },
  {
    id: "fuel-tanks",
    name: "Extended Fuel Tanks",
    stat: "fuelRangeMillionKm",
    percentPerLevel: 20,
    maxLevel: 3,
    modelOverrides: {
      // 5 → 35 → 65 → 95 M km: Mars (≈ 55–400 M km) only near closest approach, and only at level 3.
      courier: { percentPerLevel: 600 },
      // 650 → 942.5 M km at level 3: still short of a base Bulk Hauler's 1000 (and of Jupiter at its farthest).
      freighter: { percentPerLevel: 15 },
    },
  },
  {
    id: "landing-thrusters",
    name: "Landing Thrusters",
    stat: "overheadGameHours",
    percentPerLevel: -15,
    maxLevel: 3,
  },
  {
    id: "handling-gear",
    name: "Cargo Handling Gear",
    stat: "handlingGameHoursPerTonne",
    percentPerLevel: -15,
    maxLevel: 3,
  },
];

/** An upgrade's percent per level for a ship model, after overrides. */
export function upgradePercentPerLevel(upgrade: Upgrade, modelId: string): number {
  return upgrade.modelOverrides?.[modelId]?.percentPerLevel ?? upgrade.percentPerLevel;
}

/** An upgrade's highest level for a ship model, after overrides. */
export function upgradeMaxLevel(upgrade: Upgrade, modelId: string): number {
  return upgrade.modelOverrides?.[modelId]?.maxLevel ?? upgrade.maxLevel;
}