feat: simpler subcommands

src/core/blitzkrieg/filtersToDescription.ts

@@ -0,0 +1,23 @@
+import { TREE_TYPE_NAMES } from '../../components/Tanks';
+import { StatFilters } from '../blitz/filterStats';
+import resolveTankName from '../blitz/resolveTankName';
+import { TIER_ROMAN_NUMERALS, Tier, tankopediaInfo } from '../blitz/tankopedia';
+
+export async function filtersToDescription({
+  nation,
+  tier,
+  tankType,
+  treeType,
+  tank,
+}: StatFilters) {
+  const awaitedTankopediaInfo = await tankopediaInfo;
+  const info: string[] = [];
+
+  if (tank) return await resolveTankName(tank);
+  if (nation) info.push(awaitedTankopediaInfo.vehicle_nations[nation]);
+  if (tier) info.push(`Tier ${TIER_ROMAN_NUMERALS[tier as Tier]}`);
+  if (tankType) info.push(awaitedTankopediaInfo.vehicle_types[tankType]);
+  if (treeType) info.push(TREE_TYPE_NAMES[treeType]);
+
+  return info.length === 0 ? 'No filters' : info.join(', ');
+}