import { describe, expect, it } from "vitest";
import { withEnv } from "../test-utils/env.js";
import { resolveBrowserConfig, resolveProfile, shouldStartLocalBrowserServer } from "./config.js";

describe("browser config", () => {
  it("defaults to enabled with loopback defaults and lobster-orange color", () => {
    const resolved = resolveBrowserConfig(undefined);
    expect(resolved.enabled).toBe(true);
    expect(resolved.controlPort).toBe(18791);
    expect(resolved.color).toBe("#FF4500");
    expect(shouldStartLocalBrowserServer(resolved)).toBe(true);
    expect(resolved.cdpHost).toBe("127.0.0.1");
    expect(resolved.cdpProtocol).toBe("http");
    const profile = resolveProfile(resolved, resolved.defaultProfile);
    expect(profile?.name).toBe("openclaw");
    expect(profile?.driver).toBe("openclaw");
    expect(profile?.cdpPort).toBe(18800);
    expect(profile?.cdpUrl).toBe("http://127.0.0.1:18800");

    const openclaw = resolveProfile(resolved, "openclaw");
    expect(openclaw?.driver).toBe("openclaw");
    expect(openclaw?.cdpPort).toBe(18800);
    expect(openclaw?.cdpUrl).toBe("http://127.0.0.1:18800");
    const chrome = resolveProfile(resolved, "chrome");
    expect(chrome?.driver).toBe("extension");
    expect(chrome?.cdpPort).toBe(18792);
    expect(chrome?.cdpUrl).toBe("http://127.0.0.1:18792");
    expect(resolved.remoteCdpTimeoutMs).toBe(1500);
    expect(resolved.remoteCdpHandshakeTimeoutMs).toBe(3000);
  });

  it("derives default ports from OPENCLAW_GATEWAY_PORT when unset", () => {
    withEnv({ OPENCLAW_GATEWAY_PORT: "19001" }, () => {
      const resolved = resolveBrowserConfig(undefined);
      expect(resolved.controlPort).toBe(19003);
      const chrome = resolveProfile(resolved, "chrome");
      expect(chrome?.driver).toBe("extension");
      expect(chrome?.cdpPort).toBe(19004);
      expect(chrome?.cdpUrl).toBe("http://127.0.0.1:19004");

      const openclaw = resolveProfile(resolved, "openclaw");
      expect(openclaw?.cdpPort).toBe(19012);
      expect(openclaw?.cdpUrl).toBe("http://127.0.0.1:19012");
    });
  });

  it("derives default ports from gateway.port when env is unset", () => {
    withEnv({ OPENCLAW_GATEWAY_PORT: undefined }, () => {
      const resolved = resolveBrowserConfig(undefined, { gateway: { port: 19011 } });
      expect(resolved.controlPort).toBe(19013);
      const chrome = resolveProfile(resolved, "chrome");
      expect(chrome?.driver).toBe("extension");
      expect(chrome?.cdpPort).toBe(19014);
      expect(chrome?.cdpUrl).toBe("http://127.0.0.1:19014");

      const openclaw = resolveProfile(resolved, "openclaw");
      expect(openclaw?.cdpPort).toBe(19022);
      expect(openclaw?.cdpUrl).toBe("http://127.0.0.1:19022");
    });
  });

  it("supports overriding the local CDP auto-allocation range start", () => {
    const resolved = resolveBrowserConfig({
      cdpPortRangeStart: 19000,
    });
    const openclaw = resolveProfile(resolved, "openclaw");
    expect(resolved.cdpPortRangeStart).toBe(19000);
    expect(openclaw?.cdpPort).toBe(19000);
    expect(openclaw?.cdpUrl).toBe("http://127.0.0.1:19000");
  });

  it("rejects cdpPortRangeStart values that overflow the CDP range window", () => {
    expect(() => resolveBrowserConfig({ cdpPortRangeStart: 65535 })).toThrow(
      /cdpPortRangeStart .* too high/i,
    );
  });

  it("normalizes hex colors", () => {
    const resolved = resolveBrowserConfig({
      color: "ff4500",
    });
    expect(resolved.color).toBe("#FF4500");
  });

  it("supports custom remote CDP timeouts", () => {
    const resolved = resolveBrowserConfig({
      remoteCdpTimeoutMs: 2200,
      remoteCdpHandshakeTimeoutMs: 5000,
    });
    expect(resolved.remoteCdpTimeoutMs).toBe(2200);
    expect(resolved.remoteCdpHandshakeTimeoutMs).toBe(5000);
  });

  it("falls back to default color for invalid hex", () => {
    const resolved = resolveBrowserConfig({
      color: "#GGGGGG",
    });
    expect(resolved.color).toBe("#FF4500");
  });

  it("treats non-loopback cdpUrl as remote", () => {
    const resolved = resolveBrowserConfig({
      cdpUrl: "http://example.com:9222",
    });
    const profile = resolveProfile(resolved, "openclaw");
    expect(profile?.cdpIsLoopback).toBe(false);
  });

  it("supports explicit CDP URLs for the default profile", () => {
    const resolved = resolveBrowserConfig({
      cdpUrl: "http://example.com:9222",
    });
    const profile = resolveProfile(resolved, "openclaw");
    expect(profile?.cdpPort).toBe(9222);
    expect(profile?.cdpUrl).toBe("http://example.com:9222");
    expect(profile?.cdpIsLoopback).toBe(false);
  });

  it("uses profile cdpUrl when provided", () => {
    const resolved = resolveBrowserConfig({
      profiles: {
        remote: { cdpUrl: "http://10.0.0.42:9222", color: "#0066CC" },
      },
    });

    const remote = resolveProfile(resolved, "remote");
    expect(remote?.cdpUrl).toBe("http://10.0.0.42:9222");
    expect(remote?.cdpHost).toBe("10.0.0.42");
    expect(remote?.cdpIsLoopback).toBe(false);
  });

  it("inherits attachOnly from global browser config when profile override is not set", () => {
    const resolved = resolveBrowserConfig({
      attachOnly: true,
      profiles: {
        remote: { cdpUrl: "http://127.0.0.1:9222", color: "#0066CC" },
      },
    });

    const remote = resolveProfile(resolved, "remote");
    expect(remote?.attachOnly).toBe(true);
  });

  it("allows profile attachOnly to override global browser attachOnly", () => {
    const resolved = resolveBrowserConfig({
      attachOnly: false,
      profiles: {
        remote: { cdpUrl: "http://127.0.0.1:9222", attachOnly: true, color: "#0066CC" },
      },
    });

    const remote = resolveProfile(resolved, "remote");
    expect(remote?.attachOnly).toBe(true);
  });

  it("uses base protocol for profiles with only cdpPort", () => {
    const resolved = resolveBrowserConfig({
      cdpUrl: "https://example.com:9443",
      profiles: {
        work: { cdpPort: 18801, color: "#0066CC" },
      },
    });

    const work = resolveProfile(resolved, "work");
    expect(work?.cdpUrl).toBe("https://example.com:18801");
  });

  it("rejects unsupported protocols", () => {
    expect(() => resolveBrowserConfig({ cdpUrl: "ws://127.0.0.1:18791" })).toThrow(/must be http/i);
  });

  it("does not add the built-in chrome extension profile if the derived relay port is already used", () => {
    const resolved = resolveBrowserConfig({
      profiles: {
        openclaw: { cdpPort: 18792, color: "#FF4500" },
      },
    });
    expect(resolveProfile(resolved, "chrome")).toBe(null);
    expect(resolved.defaultProfile).toBe("openclaw");
  });

  it("defaults extraArgs to empty array when not provided", () => {
    const resolved = resolveBrowserConfig(undefined);
    expect(resolved.extraArgs).toEqual([]);
  });

  it("passes through valid extraArgs strings", () => {
    const resolved = resolveBrowserConfig({
      extraArgs: ["--no-sandbox", "--disable-gpu"],
    });
    expect(resolved.extraArgs).toEqual(["--no-sandbox", "--disable-gpu"]);
  });

  it("filters out empty strings and whitespace-only entries from extraArgs", () => {
    const resolved = resolveBrowserConfig({
      extraArgs: ["--flag", "", "  ", "--other"],
    });
    expect(resolved.extraArgs).toEqual(["--flag", "--other"]);
  });

  it("filters out non-string entries from extraArgs", () => {
    const resolved = resolveBrowserConfig({
      extraArgs: ["--flag", 42, null, undefined, true, "--other"] as unknown as string[],
    });
    expect(resolved.extraArgs).toEqual(["--flag", "--other"]);
  });

  it("defaults extraArgs to empty array when set to non-array", () => {
    const resolved = resolveBrowserConfig({
      extraArgs: "not-an-array" as unknown as string[],
    });
    expect(resolved.extraArgs).toEqual([]);
  });

  it("resolves browser SSRF policy when configured", () => {
    const resolved = resolveBrowserConfig({
      ssrfPolicy: {
        allowPrivateNetwork: true,
        allowedHostnames: [" localhost ", ""],
        hostnameAllowlist: [" *.trusted.example ", " "],
      },
    });
    expect(resolved.ssrfPolicy).toEqual({
      dangerouslyAllowPrivateNetwork: true,
      allowedHostnames: ["localhost"],
      hostnameAllowlist: ["*.trusted.example"],
    });
  });

  it("defaults browser SSRF policy to trusted-network mode", () => {
    const resolved = resolveBrowserConfig({});
    expect(resolved.ssrfPolicy).toEqual({
      dangerouslyAllowPrivateNetwork: true,
    });
  });

  it("supports explicit strict mode by disabling private network access", () => {
    const resolved = resolveBrowserConfig({
      ssrfPolicy: {
        dangerouslyAllowPrivateNetwork: false,
      },
    });
    expect(resolved.ssrfPolicy).toEqual({});
  });

  describe("default profile preference", () => {
    it("defaults to openclaw profile when defaultProfile is not configured", () => {
      const resolved = resolveBrowserConfig({
        headless: false,
        noSandbox: false,
      });
      expect(resolved.defaultProfile).toBe("openclaw");
    });

    it("keeps openclaw default when headless=true", () => {
      const resolved = resolveBrowserConfig({
        headless: true,
      });
      expect(resolved.defaultProfile).toBe("openclaw");
    });

    it("keeps openclaw default when noSandbox=true", () => {
      const resolved = resolveBrowserConfig({
        noSandbox: true,
      });
      expect(resolved.defaultProfile).toBe("openclaw");
    });

    it("keeps openclaw default when both headless and noSandbox are true", () => {
      const resolved = resolveBrowserConfig({
        headless: true,
        noSandbox: true,
      });
      expect(resolved.defaultProfile).toBe("openclaw");
    });

    it("explicit defaultProfile config overrides defaults in headless mode", () => {
      const resolved = resolveBrowserConfig({
        headless: true,
        defaultProfile: "chrome",
      });
      expect(resolved.defaultProfile).toBe("chrome");
    });

    it("explicit defaultProfile config overrides defaults in noSandbox mode", () => {
      const resolved = resolveBrowserConfig({
        noSandbox: true,
        defaultProfile: "chrome",
      });
      expect(resolved.defaultProfile).toBe("chrome");
    });

    it("allows custom profile as default even in headless mode", () => {
      const resolved = resolveBrowserConfig({
        headless: true,
        defaultProfile: "custom",
        profiles: {
          custom: { cdpPort: 19999, color: "#00FF00" },
        },
      });
      expect(resolved.defaultProfile).toBe("custom");
    });
  });
});