import type { LocalProviderStats } from "./session-stats.js";

/** Unified quota window -- one per rate-limit bucket. */
export interface QuotaWindow {
  label: string; // "5h" / "7d" / "Balance" / "Rolling" / "Weekly"
  usedPercent: number; // 0-100
  resetsAt: string | null; // ISO 8601 or null when no reset
  windowSeconds: number; // Window duration (0 for balance-type)
  usedValue: number;
  limitValue: number;
  isCurrency?: boolean;
  limited?: boolean; // Rate-limited right now
}

export type ProviderId =
  | "antigravity"
  | "openai-codex"
  | "deepseek"
  | "openrouter"
  | "xai"
  | "kimi-coding"
  | "opencode-go";

export type QuotaResult =
  | { ok: true; provider: ProviderId; windows: QuotaWindow[] }
  | { error: string; ok: false; provider: ProviderId };

export interface ProviderUsageSnapshot {
  error?: string;
  name: string;
  ok: boolean;
  provider: ProviderId;
  stats: LocalProviderStats;
  windows: QuotaWindow[];
}