Initial I Want to Heal app

src/pvpRoguelike.ts

@@ -0,0 +1,46 @@
+export type PvpContentType = 'dungeon' | 'raid'
+export type CpuDifficulty = 1 | 2 | 3 | 4 | 5
+
+export type CpuPvpLeaderboardEntry = {
+  characterName: string
+  className: string
+  contentType: PvpContentType
+  encountersCleared: number
+  cpuDifficulty: CpuDifficulty
+  result: 'victory' | 'defeat'
+  completedAt: string
+}
+
+const cpuLeaderboardKey = 'chronicle.pvpCpuLeaderboard.v1'
+
+export function randomCpuDifficulty(): CpuDifficulty {
+  return (Math.floor(Math.random() * 5) + 1) as CpuDifficulty
+}
+
+export function loadCpuPvpLeaderboard(contentType?: PvpContentType): CpuPvpLeaderboardEntry[] {
+  try {
+    const raw = JSON.parse(localStorage.getItem(cpuLeaderboardKey) ?? '[]') as CpuPvpLeaderboardEntry[]
+    return raw
+      .filter((entry) => !contentType || entry.contentType === contentType)
+      .sort((left, right) =>
+        right.encountersCleared - left.encountersCleared
+        || right.cpuDifficulty - left.cpuDifficulty
+        || right.completedAt.localeCompare(left.completedAt),
+      )
+      .slice(0, 12)
+  } catch {
+    return []
+  }
+}
+
+export function recordCpuPvpLeaderboard(entry: CpuPvpLeaderboardEntry) {
+  const current = loadCpuPvpLeaderboard()
+  const next = [...current, entry]
+    .sort((left, right) =>
+      right.encountersCleared - left.encountersCleared
+      || right.cpuDifficulty - left.cpuDifficulty
+      || right.completedAt.localeCompare(left.completedAt),
+    )
+    .slice(0, 30)
+  localStorage.setItem(cpuLeaderboardKey, JSON.stringify(next))
+}