import test from "node:test";
import assert from "node:assert/strict";

import {
  applyClineProtocolHeaders,
  buildClineHeaders,
  buildClinepassHeaders,
  getClineAccessToken,
  getClineAuthorizationHeader,
  resolveClineTaskId,
} from "../../src/shared/utils/clineAuth.ts";
import { buildProviderHeaders } from "../../open-sse/services/provider.ts";
import { DefaultExecutor } from "../../open-sse/executors/default.ts";

test("getClineAccessToken prefixes the token with workos:", () => {
  assert.equal(getClineAccessToken("abc123"), "workos:abc123");
});

test("getClineAccessToken is idempotent when already prefixed", () => {
  assert.equal(getClineAccessToken("workos:abc123"), "workos:abc123");
});

test("getClineAccessToken trims and rejects empty / non-string input", () => {
  assert.equal(getClineAccessToken("  abc123  "), "workos:abc123");
  assert.equal(getClineAccessToken("   "), "");
  assert.equal(getClineAccessToken(""), "");
  assert.equal(getClineAccessToken(undefined), "");
  assert.equal(getClineAccessToken(null), "");
  assert.equal(getClineAccessToken(42), "");
});

test("getClineAuthorizationHeader builds a workos-prefixed bearer header", () => {
  assert.equal(getClineAuthorizationHeader("abc123"), "Bearer workos:abc123");
  assert.equal(getClineAuthorizationHeader(""), "");
});

test("buildClineHeaders emits the full cline client header set", () => {
  const headers = buildClineHeaders("abc123", {}, { taskId: "task-123" });
  assert.equal(headers.Authorization, "Bearer workos:abc123");
  assert.equal(headers["HTTP-Referer"], "https://cline.bot");
  assert.equal(headers["X-Title"], "Cline");
  assert.equal(headers["X-CLIENT-TYPE"], "omniroute");
  assert.equal(headers["X-Task-ID"], "task-123");
  assert.equal(headers["X-IS-MULTIROOT"], "false");
  assert.ok(/^Cline\//.test(headers["User-Agent"]));
  assert.ok(!/9router/i.test(JSON.stringify(headers)));
});

test("buildClineHeaders merges extra headers and omits Authorization with no token", () => {
  const headers = buildClineHeaders("", {
    Accept: "application/json",
    "x-task-id": "configured-task-must-not-leak",
  });
  assert.equal(headers.Accept, "application/json");
  assert.ok(!("Authorization" in headers));
  assert.ok(!("X-Task-ID" in headers));
  assert.ok(!("x-task-id" in headers));
  // Client-identification headers are still present even without a token.
  assert.equal(headers["X-CLIENT-TYPE"], "omniroute");
});

test("resolveClineTaskId forwards client task identity but does not invent one", () => {
  assert.equal(resolveClineTaskId({ "x-task-id": "client-task-123" }), "client-task-123");
  assert.equal(resolveClineTaskId({}), undefined);
  assert.equal(resolveClineTaskId(null), undefined);
});

test("required Cline protocol headers override conflicting configured casing", () => {
  const headers = applyClineProtocolHeaders(
    {
      "user-agent": "other-client/1",
      "x-client-type": "other-client",
      "x-task-id": "stored-task",
    },
    { clientVersion: "3.8.49", taskId: "request-task" }
  );

  assert.equal(headers["User-Agent"], "Cline/3.8.49");
  assert.equal(headers["X-CLIENT-TYPE"], "omniroute");
  assert.equal(headers["X-Task-ID"], "request-task");
  assert.ok(!("user-agent" in headers));
  assert.ok(!("x-client-type" in headers));
  assert.ok(!("x-task-id" in headers));
});

test("ClinePass BYOK and OAuth auth modes both carry the full protocol headers", () => {
  const byok = buildClinepassHeaders({ apiKey: "sk-pass" }, undefined, {
    taskId: "task-byok",
  });
  assert.equal(byok.Authorization, "Bearer sk-pass");
  assert.equal(byok["X-Task-ID"], "task-byok");
  assert.equal(byok["X-CLIENT-TYPE"], "omniroute");

  const oauth = buildClinepassHeaders({ accessToken: "oauth-token" }, undefined, {
    taskId: "task-oauth",
  });
  assert.equal(oauth.Authorization, "Bearer workos:oauth-token");
  assert.equal(oauth["X-Task-ID"], "task-oauth");
  assert.equal(oauth["X-CLIENT-TYPE"], "omniroute");
});

test("buildProviderHeaders uses the cline workos auth token shape", () => {
  const headers = buildProviderHeaders("cline", { apiKey: "tok-abc" }, true);
  assert.equal(headers.Authorization, "Bearer workos:tok-abc");
  assert.equal(headers["HTTP-Referer"], "https://cline.bot");
  assert.equal(headers["X-CLIENT-TYPE"], "omniroute");
});

test("buildProviderHeaders honors an accessToken for cline", () => {
  const headers = buildProviderHeaders("cline", { accessToken: "acc-xyz" }, false);
  assert.equal(headers.Authorization, "Bearer workos:acc-xyz");
});

test("DefaultExecutor.buildHeaders uses the cline workos auth token shape", () => {
  const executor = new DefaultExecutor("cline");
  const headers = executor.buildHeaders({ apiKey: "tok-abc" }, true, {
    "X-Task-ID": "task-from-client",
  });
  assert.equal(headers.Authorization, "Bearer workos:tok-abc");
  assert.equal(headers["HTTP-Referer"], "https://cline.bot");
  assert.equal(headers["X-CLIENT-TYPE"], "omniroute");
  assert.equal(headers["X-Title"], "Cline");
  assert.equal(headers["X-Task-ID"], "task-from-client");

  const withoutTaskId = executor.buildHeaders({ apiKey: "tok-abc" }, true, {});
  assert.ok(!("X-Task-ID" in withoutTaskId));
});

test("DefaultExecutor labels internal health checks separately from user traffic", () => {
  const executor = new DefaultExecutor("cline");
  const headers = executor.buildHeaders({ apiKey: "tok-abc" }, true, {
    "X-Internal-Test": "combo-health-check",
  });

  assert.equal(headers["X-CLIENT-TYPE"], "omniroute-internal-health-check");

  // BaseExecutor reapplies the required protocol headers immediately before dispatch.
  applyClineProtocolHeaders(headers, { taskId: headers["X-Task-ID"] });
  assert.equal(headers["X-CLIENT-TYPE"], "omniroute-internal-health-check");
});