import { describe, expect, it } from "bun:test";
import { CHAT_PROVIDER_IDS } from "./chat-types";
import {
  getProviderOnboardingContract,
  listProviderOnboardingContracts,
} from "./provider-contract";

describe("provider onboarding contract", () => {
  it("covers all chat providers in canonical provider order", () => {
    const contracts = listProviderOnboardingContracts();
    expect(contracts).toHaveLength(CHAT_PROVIDER_IDS.length);
    expect(contracts.map((contract) => contract.providerId)).toEqual([
      ...CHAT_PROVIDER_IDS,
    ]);
  });

  it("defines required checklist fields for each provider", () => {
    for (const providerId of CHAT_PROVIDER_IDS) {
      const contract = getProviderOnboardingContract(providerId);

      expect(contract.providerId).toBe(providerId);
      expect(contract.defaultScanRoots.length).toBeGreaterThan(0);
      expect(contract.pathDiscovery.length).toBeGreaterThan(10);
      expect(contract.sessionIdStrategy.length).toBeGreaterThan(5);
      expect(
        Object.keys(contract.roleMapping.sourceRoles).length,
      ).toBeGreaterThan(0);
      expect(contract.dedupe.messageIdentity.length).toBeGreaterThan(10);

      expect(["none", "skip-known-snapshots", "content-signature"]).toContain(
        contract.dedupe.snapshotHandling,
      );
      expect(["skip", "fail"]).toContain(contract.replay.malformedRecordPolicy);
      expect(["skip", "synthesize"]).toContain(
        contract.replay.missingTimestampPolicy,
      );
      expect([
        "file-mtime+message-timestamp",
        "message-timestamp-only",
      ]).toContain(contract.replay.sinceFiltering);
    }
  });
});