import assert from "node:assert/strict";
import { mkdir, mkdtemp, readFile, rm, stat, writeFile } from "node:fs/promises";
import { tmpdir } from "node:os";
import { join } from "node:path";
import test from "node:test";
import { initTheme } from "@earendil-works/pi-coding-agent";
import type { ExtensionAPI, ExtensionContext } from "@earendil-works/pi-coding-agent";
import {
  registerFastBrowserCommand,
  resetFastBrowserModelChoicesCacheForTests,
} from "./command.ts";
import { FAST_BROWSER_SETTING_IDS, FAST_BROWSER_SETTING_LABELS } from "./settings-view.ts";
import { loadFastBrowserConfig } from "./config.ts";

interface RegisteredCommand {
  handler: (args: string, ctx: ExtensionContext) => Promise<void>;
}

function captureCommand(actions?: {
  stopBrowser?: () => Promise<void>;
  launchBrowser?: (ctx: ExtensionContext, purpose: "setup" | "automation") => Promise<{ sessionId: string; profile?: string }>;
}): RegisteredCommand {
  let command: RegisteredCommand | undefined;
  registerFastBrowserCommand({
    registerCommand(_name: string, definition: unknown) {
      command = definition as RegisteredCommand;
    },
    sendMessage() {},
  } as unknown as ExtensionAPI, actions);
  assert.ok(command);
  return command;
}

async function withEnvironment<T>(values: Record<string, string | undefined>, action: () => Promise<T>): Promise<T> {
  const temporaryAgentDir = values.PI_CODING_AGENT_DIR === undefined
    ? await mkdtemp(join(tmpdir(), "fast-browser-command-agent-"))
    : undefined;
  const effectiveValues: Record<string, string | undefined> = {
    ...values,
    ...(temporaryAgentDir ? { PI_CODING_AGENT_DIR: temporaryAgentDir } : {}),
  };
  const previous = new Map<string, string | undefined>();
  const names = new Set(["PI_CODING_AGENT_DIR", ...Object.keys(effectiveValues)]);
  for (const key of names) {
    previous.set(key, process.env[key]);
    const value = effectiveValues[key];
    if (value === undefined) delete process.env[key];
    else process.env[key] = value;
  }
  try {
    return await action();
  } finally {
    for (const [key, value] of previous) {
      if (value === undefined) delete process.env[key];
      else process.env[key] = value;
    }
    if (temporaryAgentDir) await rm(temporaryAgentDir, { recursive: true, force: true });
  }
}

interface ContextHooks {
  afterInput?: (title: string, value: string | undefined) => Promise<void> | void;
}

function context(
  cwd: string,
  selects: string[],
  inputs: Array<string | undefined>,
  notices: string[],
  models: Array<{ provider: string; id: string }> = [],
  rendered: string[] = [],
  hooks: ContextHooks = {},
): ExtensionContext {
  const settingLabels = [
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.cdpUrl],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.allowedOrigins],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.python],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.textModel],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.textReasoning],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.typesafeKey],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.browserMode],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.browserProduct],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.browserExecutable],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.browserHeadless],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.browserStartUrl],
    FAST_BROWSER_SETTING_LABELS[FAST_BROWSER_SETTING_IDS.browserProfile],
  ];
  return {
    mode: "tui",
    hasUI: true,
    cwd,
    ui: {
      async select(_title: string, _items: string[]) {
        return selects.shift();
      },
      async input(title: string, _placeholder?: string) {
        const value = inputs.shift();
        await hooks.afterInput?.(title, value);
        return value;
      },
      async custom<T>(factory: (tui: { requestRender(): void }, theme: unknown, keybindings: unknown, done: (value: T) => void) => unknown): Promise<T> {
        let completed = false;
        let result: T;
        const component = factory({ requestRender() {} }, {}, {}, (value: T) => {
          completed = true;
          result = value;
        }) as { handleInput?(data: string): void };
        const renderedComponent = component as { render?(width: number): string[] };
        if (renderedComponent.render) rendered.push(renderedComponent.render(80).join("\n"));
        const selected = selects.shift();
        const normalized = selected?.startsWith("Edit ")
          ? selected.slice("Edit ".length)
          : selected;
        if (selected === "Cancel") {
          component.handleInput?.("\u001b");
        } else {
          const index = settingLabels.findIndex((label) => label.toLowerCase() === normalized?.toLowerCase());
          assert(index >= 0, `unknown settings row: ${selected}`);
          for (let i = 0; i < index; i++) component.handleInput?.("\u001b[B");
          component.handleInput?.("\r");
        }
        assert.equal(completed, true, `settings row did not dispatch: ${selected}`);
        return result!;
      },
      notify(message: string) {
        notices.push(message);
      },
    },
    modelRegistry: {
      getAvailable: () => models,
    },
  } as unknown as ExtensionContext;
}

test.before(() => initTheme("dark", false));
test.afterEach(() => resetFastBrowserModelChoicesCacheForTests());

test("close-all action explicitly describes this Pi instance's session scope", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-close-"));
  const notices: string[] = [];
  let closed = 0;
  try {
    await withEnvironment({ PI_CODING_AGENT_DIR: join(cwd, "agent") }, async () => {
      await captureCommand({ stopBrowser: async () => { closed++; } }).handler("", context(
        cwd, ["Close all browser sessions in this Pi instance", "Close"], [], notices,
      ));
    });
    assert.equal(closed, 1);
    assert(notices.some((message) => message.includes("external browser processes were left running")));
  } finally { await rm(cwd, { recursive: true, force: true }); }
});

test("launch menu actions use explicit setup and automation purposes", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-launch-menu-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  const notices: string[] = [];
  const purposes: string[] = [];
  try {
    await withEnvironment({
      PI_CODING_AGENT_DIR: agentDir,
      FAST_BROWSER_CDP_URL: "http://127.0.0.1:9222",
      FAST_BROWSER_ALLOWED_ORIGINS: '["https://example.test"]',
    }, async () => {
      await captureCommand({
        launchBrowser: async (_ctx, purpose) => {
          purposes.push(purpose);
          return { sessionId: `session-${purpose}`, profile: "evebot" };
        },
      }).handler("", context(cwd, [
        "Launch named profile for manual setup",
        "Launch automated browser session",
        "Close",
      ], [], notices));
    });
  } finally {
    await rm(cwd, { recursive: true, force: true });
    await rm(agentDir, { recursive: true, force: true });
  }
  assert.deepEqual(purposes, ["setup", "automation"]);
  assert.match(notices[0]!, /session-setup/);
  assert.match(notices[1]!, /session-automation/);
  assert.match(notices[0]!, /evebot/);
});

test("publishes launch metadata without triggering a turn or exposing secrets", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-message-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  const notices: string[] = [];
  const messages: Array<{ message: any; options: any }> = [];
  let command: RegisteredCommand | undefined;
  try {
    registerFastBrowserCommand({
      registerCommand(_name: string, definition: unknown) {
        command = definition as RegisteredCommand;
      },
      sendMessage(message: unknown, options: unknown) {
        messages.push({ message, options });
      },
    } as unknown as ExtensionAPI, {
      launchBrowser: async (_ctx, purpose) => ({
        sessionId: `session-${purpose}`,
        profile: "evebot",
      }),
    });
    assert.ok(command);
    await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
      await command!.handler("", context(cwd, [
        "Launch named profile for manual setup",
        "Launch automated browser session",
        "Close",
      ], [], notices));
    });
  } finally {
    await rm(cwd, { recursive: true, force: true });
    await rm(agentDir, { recursive: true, force: true });
  }
  assert.equal(messages.length, 2);
  assert.deepEqual(messages.map(({ message }) => message.details), [
    { sessionId: "session-setup", purpose: "setup", profile: "evebot" },
    { sessionId: "session-automation", purpose: "automation", profile: "evebot" },
  ]);
  for (const { message, options } of messages) {
    assert.equal(message.customType, "fast-browser-session");
    assert.equal(message.display, true);
    assert.equal(options.triggerTurn, false);
    assert.equal(options.deliverAs, "nextTurn");
    assert.doesNotMatch(message.content, /secret|credential|password/i);
  }
  assert.match(messages[0]!.message.content, /not automatable.*close/i);
  assert.match(notices[0]!, /not automatable.*closed/i);
});

test("sanitizes non-config launch failures with recovery guidance", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-launch-error-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  const notices: string[] = [];
  try {
    await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
      await captureCommand({
        launchBrowser: async () => {
          throw new Error("profile secret should not be shown");
        },
      }).handler("", context(cwd, ["Launch automated browser session", "Close"], [], notices));
    });
  } finally {
    await rm(cwd, { recursive: true, force: true });
    await rm(agentDir, { recursive: true, force: true });
  }
  assert.equal(notices[0], "Unable to launch fast-browser session; close other users of the named profile and check browser configuration");
  assert.doesNotMatch(notices[0]!, /profile secret/);
});

test("edits initially partial settings and autosaves a complete project config", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  const notices: string[] = [];
  const ctx = context(
    cwd,
    ["Edit project settings", "Edit CDP endpoint", "Edit allowed origins", "Specific origins", "Cancel", "Close"],
    ["http://127.0.0.1:9333", '["https://project.example"]'],
    notices,
  );
  await withEnvironment({
    PI_CODING_AGENT_DIR: agentDir,
    FAST_BROWSER_CDP_URL: undefined,
    FAST_BROWSER_ALLOWED_ORIGINS: undefined,
  }, async () => {
    await captureCommand().handler("", ctx);
  });

  const saved = JSON.parse(await readFile(join(cwd, ".pi", "fast-browser.json"), "utf8")) as Record<string, unknown>;
  assert.equal(saved.cdpUrl, "http://127.0.0.1:9333");
  assert.deepEqual(saved.allowedOrigins, ["https://project.example"]);
  assert.equal(saved.textReasoning, undefined);
  assert.equal(notices.some((message) => message.includes("Saved project")), false);
});

test("view displays the unrestricted default and its default source", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-default-view-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  const notices: string[] = [];
  await withEnvironment({
    PI_CODING_AGENT_DIR: agentDir,
    FAST_BROWSER_CDP_URL: "http://127.0.0.1:9222",
    FAST_BROWSER_ALLOWED_ORIGINS: undefined,
  }, async () => {
    await captureCommand().handler("", context(cwd, ["View effective configuration", "Close"], [], notices));
  });
  assert.match(notices.join("\n"), /allowedOrigins: All web origins \[default\]/);
});

test("origin policy editor autosaves unrestricted and inherited choices", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-origin-policy-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await mkdir(join(cwd, ".pi"), { recursive: true });
  const path = join(cwd, ".pi", "fast-browser.json");
  await writeFile(path, JSON.stringify({ allowedOrigins: ["https://example.test"] }));
  const notices: string[] = [];
  const ctx = context(cwd, [
    "Edit project settings", "Edit allowed origins", "All web origins (*)", "Cancel",
    "Edit project settings", "Edit allowed origins", "(unset override — inherit)", "Cancel", "Close",
  ], [], notices);
  await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
    await captureCommand().handler("", ctx);
  });
  assert.deepEqual(JSON.parse(await readFile(path, "utf8")), {});
});

test("cancel and malformed input preserve the existing file", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-cancel-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await mkdir(join(cwd, ".pi"), { recursive: true });
  await writeFile(join(cwd, ".pi", "fast-browser.json"), "{\"textModel\":\"keep-me\",");
  const before = await readFile(join(cwd, ".pi", "fast-browser.json"), "utf8");
  const notices: string[] = [];
  const ctx = context(cwd, [], [], notices);
  await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
    await captureCommand().handler("", ctx);
  });
  assert.equal(await readFile(join(cwd, ".pi", "fast-browser.json"), "utf8"), before);
  assert.equal(notices.length > 0, true);
});

test("field cancellation returns to settings without undoing earlier autosaves", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-scope-cancel-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await mkdir(join(cwd, ".pi"), { recursive: true });
  const path = join(cwd, ".pi", "fast-browser.json");
  await writeFile(path, JSON.stringify({ textModel: "keep-me" }));
  const before = await readFile(path, "utf8");
  const notices: string[] = [];
  const ctx = context(cwd, [
    "Edit project settings", "Edit CDP endpoint", "Edit Python executable", "Cancel", "Close",
  ], ["http://127.0.0.1:9333", undefined], notices);
  await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
    await captureCommand().handler("", ctx);
  });
  const after = await readFile(path, "utf8");
  assert.notEqual(after, before);
  assert.deepEqual(JSON.parse(after), {
    cdpUrl: "http://127.0.0.1:9333",
    textModel: "keep-me",
  });
});

test("invalid field input preserves the committed file and draft", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-invalid-edit-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await mkdir(join(cwd, ".pi"), { recursive: true });
  const path = join(cwd, ".pi", "fast-browser.json");
  await writeFile(path, JSON.stringify({ allowedOrigins: ["https://keep.example"] }));
  const before = await readFile(path, "utf8");
  const notices: string[] = [];
  const ctx = context(cwd, [
    "Edit project settings", "Edit allowed origins", "Specific origins", "Cancel", "Close",
  ], ["not-json"], notices);
  await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
    await captureCommand().handler("", ctx);
  });
  assert.equal(await readFile(path, "utf8"), before);
  assert(notices.length > 0);
});

test("write failures preserve the committed file and displayed state", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-write-failure-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await mkdir(join(cwd, ".pi"), { recursive: true });
  const path = join(cwd, ".pi", "fast-browser.json");
  await writeFile(path, JSON.stringify({ textModel: "keep-me" }));
  const notices: string[] = [];
  const ctx = context(
    cwd,
    ["Edit project settings", "Edit Python executable", "Cancel", "Close"],
    ["/tmp/python"],
    notices,
    [],
    [],
    { afterInput: async () => { await rm(path); await mkdir(path); } },
  );
  await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
    await captureCommand().handler("", ctx);
  });
  assert.equal((await stat(path)).isDirectory(), true);
  assert(notices.length > 0);
});

test("inherited browser edits create a complete project browser override", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-inherited-browser-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await writeFile(join(agentDir, "fast-browser.json"), JSON.stringify({
    allowedOrigins: ["https://example.test"],
    browser: {
      mode: "launch", product: "chromium", startUrl: "https://example.test/start",
      headless: true, profile: "global-profile",
    },
  }));
  const notices: string[] = [];
  const ctx = context(cwd, [
    "Edit project settings", "Edit browser profile", "Cancel", "Close",
  ], ["project-profile"], notices);
  await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
    await captureCommand().handler("", ctx);
  });
  const saved = JSON.parse(await readFile(join(cwd, ".pi", "fast-browser.json"), "utf8")) as any;
  assert.deepEqual(saved.browser, {
    mode: "launch", product: "chromium", startUrl: "https://example.test/start",
    headless: true, profile: "project-profile",
  });
});

test("reselecting browser mode preserves all existing browser attributes", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-browser-mode-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await mkdir(join(cwd, ".pi"), { recursive: true });
  const browser = {
    mode: "launch", product: "chromium", startUrl: "https://example.test/start",
    headless: true, profile: "evebot",
  };
  const path = join(cwd, ".pi", "fast-browser.json");
  await writeFile(path, JSON.stringify({ browser }));
  const ctx = context(cwd, [
    "Edit project settings", "Edit browser mode", "launch", "Cancel", "Close",
  ], [], []);
  await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
    await captureCommand().handler("", ctx);
  });
  assert.deepEqual(JSON.parse(await readFile(path, "utf8")).browser, browser);
});

test("view includes precedence and paths without exposing credential contents", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-view-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await mkdir(join(cwd, ".pi"), { recursive: true });
  await writeFile(join(cwd, ".pi", "fast-browser.json"), JSON.stringify({
    cdpUrl: "http://127.0.0.1:9333",
    allowedOrigins: ["https://example.test"],
    typesafeKey: { env: "TYPESAFE_API_KEY" },
  }));
  const notices: string[] = [];
  const ctx = context(cwd, ["View effective configuration", "Close"], [], notices);
  await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
    await captureCommand().handler("", ctx);
  });
  const view = notices.join("\n");
  assert.match(view, /Precedence:/);
  assert.match(view, /Project path:/);
  assert.match(view, /project/);
  assert.doesNotMatch(view, /secret|apiKey:/i);
});

test("model choices are cached and optional stop action is exposed", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-model-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  let calls = 0;
  let stopped = 0;
  const notices: string[] = [];
  const ctx = context(cwd, ["Edit project settings", "Edit auxiliary text model", "fixture/small", "Cancel", "Close"], [], notices, [
    { provider: "fixture", id: "small" },
  ]);
  (ctx.modelRegistry as any).getAvailable = () => {
    calls++;
    return [{ provider: "fixture", id: "small" }];
  };
  await withEnvironment({
    PI_CODING_AGENT_DIR: agentDir,
    FAST_BROWSER_CDP_URL: "http://127.0.0.1:9222",
    FAST_BROWSER_ALLOWED_ORIGINS: '["https://example.test"]',
  }, async () => {
    const command = captureCommand({ stopBrowser: async () => { stopped++; } });
    await command.handler("", ctx);
  });
  assert.equal(calls, 1);
  assert.equal(stopped, 0);
});

test("partial global defaults autosave without endpoint or origins", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-partial-global-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  const notices: string[] = [];
  const ctx = context(cwd, [
    "Edit global settings", "Edit auxiliary text model", "fixture/small", "Cancel", "Close",
  ], [], notices, [{ provider: "fixture", id: "small" }]);
  await withEnvironment({
    PI_CODING_AGENT_DIR: agentDir,
    FAST_BROWSER_CDP_URL: undefined,
    FAST_BROWSER_ALLOWED_ORIGINS: undefined,
  }, async () => {
    await captureCommand().handler("", ctx);
  });
  const saved = JSON.parse(await readFile(join(agentDir, "fast-browser.json"), "utf8")) as Record<string, unknown>;
  assert.deepEqual(saved, { textModel: "fixture/small" });
});

test("global edits preserve project-only values", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-global-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await mkdir(join(cwd, ".pi"), { recursive: true });
  await writeFile(join(agentDir, "fast-browser.json"), JSON.stringify({
    cdpUrl: "http://127.0.0.1:9222",
    textModel: "global/model",
  }));
  await writeFile(join(cwd, ".pi", "fast-browser.json"), JSON.stringify({
    allowedOrigins: ["https://project.example"],
  }));
  const notices: string[] = [];
  const ctx = context(cwd, [
    "Edit global settings", "Edit Python executable", "Cancel", "Close",
  ], ["/global/python"], notices);
  await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
    await captureCommand().handler("", ctx);
  });
  const globalConfig = JSON.parse(await readFile(join(agentDir, "fast-browser.json"), "utf8")) as Record<string, unknown>;
  const projectConfig = JSON.parse(await readFile(join(cwd, ".pi", "fast-browser.json"), "utf8")) as Record<string, unknown>;
  assert.equal(globalConfig.allowedOrigins, undefined);
  assert.deepEqual(projectConfig.allowedOrigins, ["https://project.example"]);
  assert.equal(globalConfig.python, "/global/python");
});

test("global settings do not display project overrides as inherited defaults", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-global-view-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await mkdir(join(cwd, ".pi"), { recursive: true });
  await writeFile(join(cwd, ".pi", "fast-browser.json"), JSON.stringify({ textModel: "project/model" }));
  const notices: string[] = [];
  const rendered: string[] = [];
  const ctx = context(cwd, ["Edit global settings", "Cancel", "Close"], [], notices, [], rendered);
  await withEnvironment({
    PI_CODING_AGENT_DIR: agentDir,
    FAST_BROWSER_TEXT_MODEL: undefined,
    FAST_BROWSER_CDP_URL: undefined,
    FAST_BROWSER_ALLOWED_ORIGINS: undefined,
  }, async () => {
    await captureCommand().handler("", ctx);
  });
  assert(rendered.length > 0);
  assert.doesNotMatch(rendered[0]!, /project\/model/);
  assert.match(rendered[0]!, /\(unset\)/);
});

test("unsetting a project model override reveals the inherited model", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-inherit-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  await mkdir(join(cwd, ".pi"), { recursive: true });
  await writeFile(join(agentDir, "fast-browser.json"), JSON.stringify({
    cdpUrl: "http://127.0.0.1:9222",
    allowedOrigins: ["https://example.test"],
    textModel: "global/model",
  }));
  await writeFile(join(cwd, ".pi", "fast-browser.json"), JSON.stringify({ textModel: "project/model" }));
  const notices: string[] = [];
  const ctx = context(cwd, [
    "Edit project settings", "Edit auxiliary text model", "(unset override — inherit)", "Cancel", "Close",
  ], [], notices);
  await withEnvironment({ PI_CODING_AGENT_DIR: agentDir }, async () => {
    await captureCommand().handler("", ctx);
    const config = await loadFastBrowserConfig(cwd, {}, { agentDir, env: {} });
    assert.equal(config.textModel, "global/model");
  });
  assert.equal(notices.some((message) => message.includes("Saved project")), false);
});

test("edits launch product, start URL, and headless settings", async () => {
  const cwd = await mkdtemp(join(tmpdir(), "fast-browser-command-launch-"));
  const agentDir = await mkdtemp(join(tmpdir(), "fast-browser-agent-"));
  const notices: string[] = [];
  const ctx = context(
    cwd,
    [
      "Edit project settings",
      "Edit browser mode", "launch",
      "Edit browser product", "vivaldi",
      "Edit browser start URL",
      "Edit browser profile",
      "Edit browser headless", "true",
      "Cancel",
      "Close",
    ],
    ["https://example.test/start", "evebot"],
    notices,
  );
  await withEnvironment({
    PI_CODING_AGENT_DIR: agentDir,
    FAST_BROWSER_CDP_URL: "http://127.0.0.1:9222",
    FAST_BROWSER_ALLOWED_ORIGINS: '["https://example.test"]',
  }, async () => {
    await captureCommand().handler("", ctx);
  });
  const saved = JSON.parse(await readFile(join(cwd, ".pi", "fast-browser.json"), "utf8")) as any;
  assert.deepEqual(saved.browser, {
    mode: "launch",
    product: "vivaldi",
    startUrl: "https://example.test/start",
    headless: true,
    profile: "evebot",
  });
  assert.equal(saved.cdpUrl, undefined);
  assert.equal(notices.some((message) => message.includes("Saved project")), false);
});