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

const { handleWebFetch } = await import("../../open-sse/handlers/webFetch.ts");

// ── handleWebFetch — basic routing ───────────────────────────────────────────

test("handleWebFetch routes to firecrawl when provider=firecrawl", async () => {
  const originalFetch = globalThis.fetch;

  globalThis.fetch = async () => {
    return new Response(
      JSON.stringify({
        data: {
          markdown: "# Hello World",
          links: ["https://example.com/page"],
          metadata: { title: "Hello", description: "A test page" },
        },
      }),
      { status: 200, headers: { "content-type": "application/json" } }
    );
  };

  try {
    const result = await handleWebFetch(
      { url: "https://example.com", format: "markdown" },
      { apiKey: "test-key" },
      "firecrawl"
    );

    assert.equal(result.success, true, "should succeed");
    assert.ok(result.data, "should have data");
    assert.equal(result.data.provider, "firecrawl");
    assert.equal(result.data.url, "https://example.com");
    assert.ok(typeof result.data.content === "string", "content should be string");
    assert.ok(Array.isArray(result.data.links), "links should be array");
  } finally {
    globalThis.fetch = originalFetch;
  }
});

test("handleWebFetch routes to jina-reader when provider=jina-reader", async () => {
  const originalFetch = globalThis.fetch;

  globalThis.fetch = async () => {
    return new Response(
      JSON.stringify({
        data: {
          content: "# Jina content",
          title: "Test",
          description: "desc",
          links: [],
        },
      }),
      { status: 200, headers: { "content-type": "application/json" } }
    );
  };

  try {
    const result = await handleWebFetch(
      { url: "https://example.com", format: "markdown" },
      { apiKey: "jina-key" },
      "jina-reader"
    );

    assert.equal(result.success, true);
    assert.equal(result.data?.provider, "jina-reader");
  } finally {
    globalThis.fetch = originalFetch;
  }
});

test("handleWebFetch routes to tinyfish when provider=tinyfish", async () => {
  const originalFetch = globalThis.fetch;

  globalThis.fetch = async () => {
    return new Response(
      JSON.stringify({
        results: [{ url: "https://example.com", title: "Test", text: "# TinyFish content" }],
        errors: [],
      }),
      { status: 200, headers: { "content-type": "application/json" } }
    );
  };

  try {
    const result = await handleWebFetch(
      { url: "https://example.com", format: "markdown" },
      { apiKey: "tf-key" },
      "tinyfish"
    );

    assert.equal(result.success, true);
    assert.equal(result.data?.provider, "tinyfish");
  } finally {
    globalThis.fetch = originalFetch;
  }
});

test("handleWebFetch returns error 401 when no apiKey for firecrawl", async () => {
  const result = await handleWebFetch({ url: "https://example.com" }, {}, "firecrawl");

  assert.equal(result.success, false);
  assert.equal(result.status, 401);
  assert.ok(result.error, "should have error message");
  // Error must not expose stack traces
  assert.ok(!result.error.includes("at /"), "error must not contain stack trace paths");
});

test("handleWebFetch returns error 401 when no apiKey for jina-reader", async () => {
  const result = await handleWebFetch({ url: "https://example.com" }, {}, "jina-reader");

  assert.equal(result.success, false);
  assert.equal(result.status, 401);
  assert.ok(!result.error?.includes("at /"), "error must not contain stack trace paths");
});

test("handleWebFetch wraps fetch errors via buildErrorBody (no raw stack)", async () => {
  const originalFetch = globalThis.fetch;

  globalThis.fetch = async () => {
    throw new Error("at /internal/path/executor.ts:42:10\nnetwork failure");
  };

  try {
    const result = await handleWebFetch(
      { url: "https://example.com" },
      { apiKey: "test-key" },
      "firecrawl"
    );

    assert.equal(result.success, false);
    assert.ok(result.status != null, "should have status");
    // Stack trace must be stripped
    assert.ok(!result.error?.includes("at /"), "error must not contain stack trace paths");
  } finally {
    globalThis.fetch = originalFetch;
  }
});

test("handleWebFetch passes depth and wait_for_selector to firecrawl", async () => {
  const originalFetch = globalThis.fetch;
  let captured: { body: Record<string, unknown> } = { body: {} };

  globalThis.fetch = async (_url, init) => {
    captured.body = JSON.parse(String((init as RequestInit).body ?? "{}"));
    return new Response(JSON.stringify({ data: { markdown: "" } }), {
      status: 200,
      headers: { "content-type": "application/json" },
    });
  };

  try {
    await handleWebFetch(
      { url: "https://example.com", depth: 2, wait_for_selector: "main" },
      { apiKey: "test-key" },
      "firecrawl"
    );

    assert.equal(captured.body.maxDepth, 2, "should forward depth");
    assert.equal(captured.body.waitFor, "main", "should forward wait_for_selector");
  } finally {
    globalThis.fetch = originalFetch;
  }
});