/**
 * usage/firecrawl.ts — Firecrawl team credit usage for Provider Limits.
 *
 * GET /v2/team/credit-usage via firecrawlQuotaFetcher; shapes remaining/plan
 * credits into the standard `{ plan, quotas }` response.
 */

import {
  fetchFirecrawlQuota,
  getFirecrawlBaseUrl,
  type FirecrawlQuota,
} from "../firecrawlQuotaFetcher.ts";
import { createQuotaFromUsage, parseResetTime } from "./quota.ts";

function createFirecrawlPlanQuota(q: FirecrawlQuota) {
  if (q.overPlan) {
    return {
      used: 0,
      total: q.planCredits,
      remaining: q.remainingCredits,
      remainingPercentage: q.planCredits > 0 ? (q.remainingCredits / q.planCredits) * 100 : 100,
      resetAt: parseResetTime(q.resetAt),
      unlimited: false,
      extraCreditsInferred: q.extraCreditsInferred,
      overPlan: true,
    };
  }

  return {
    ...createQuotaFromUsage(q.used, q.total, q.resetAt),
    extraCreditsInferred: 0,
    overPlan: false,
  };
}

export async function getFirecrawlUsage(
  connectionId: string,
  apiKey?: string,
  connection?: Record<string, unknown>
) {
  if (!connectionId) {
    return { message: "Firecrawl: connection id unavailable." };
  }

  const customBase = getFirecrawlBaseUrl(connection);
  if (customBase) {
    return {
      plan: "Firecrawl · Self-Hosted Local",
      quotas: {},
      message: `Connected to self-hosted Firecrawl instance (${customBase})`,
    };
  }

  try {
    // The explicit `apiKey` argument was silently dropped when #91bb6aa619 moved
    // this to fetchFirecrawlQuota(connectionId, connection): the fetcher reads the
    // key off the connection record, so a caller that passes the key directly —
    // without a connection carrying it — always got "API key not available".
    const resolvedConnection = apiKey ? { ...(connection || {}), apiKey } : connection;
    const live = await fetchFirecrawlQuota(connectionId, resolvedConnection);
    if (!live) {
      return { message: "Firecrawl API key not available or credit usage unavailable." };
    }

    const q = live as FirecrawlQuota;
    const monthly = createFirecrawlPlanQuota(q);

    return {
      plan: "Firecrawl · Monthly credits",
      quotas: {
        monthly,
      },
      remainingCredits: q.remainingCredits,
      planCredits: q.planCredits,
      extraCreditsInferred: q.extraCreditsInferred,
      overPlan: q.overPlan,
      limitReached: q.limitReached,
    };
  } catch (error) {
    return { message: `Firecrawl usage error: ${(error as Error).message}` };
  }
}