import { expect, type Page } from "@playwright/test";
import { buildHostWorkspaceRoute } from "@/utils/host-routes";
import { gotoHome } from "./app";
import { expectAppRoute } from "./route-assertions";

export async function openNewAgentComposer(page: Page): Promise<void> {
  await gotoHome(page);
}

/**
 * Wait for the sidebar to show at least one project row. Use this after a spec
 * seeds a workspace/project; zero-project flows need their own assertion.
 */
export async function waitForSidebarHydration(page: Page, timeout = 60_000): Promise<void> {
  await page
    .locator('[data-testid^="sidebar-project-row-"]')
    .first()
    .waitFor({ state: "visible", timeout });
}

export async function waitForNoProjectsInSidebar(page: Page, timeout = 60_000): Promise<void> {
  await page.getByTestId("sidebar-project-empty-state").waitFor({ state: "visible", timeout });
}

function workspaceRowLocator(page: Page, serverId: string, workspaceId: string) {
  return page.getByTestId(`sidebar-workspace-row-${serverId}:${workspaceId}`).first();
}

export async function expectSidebarWorkspaceSelected(input: {
  page: Page;
  serverId: string;
  workspaceId: string;
  selected?: boolean;
}): Promise<void> {
  const row = workspaceRowLocator(input.page, input.serverId, input.workspaceId);
  await expect(row).toBeVisible({ timeout: 30_000 });
  const expected = input.selected === false ? "false" : "true";

  const hasDataSelected = await row.getAttribute("data-selected");
  if (hasDataSelected !== null) {
    await expect(row).toHaveAttribute("data-selected", expected, {
      timeout: 30_000,
    });
    return;
  }

  await expect(row).toHaveAttribute("aria-selected", expected, {
    timeout: 30_000,
  });
}

export async function switchWorkspaceViaSidebar(input: {
  page: Page;
  serverId: string;
  workspaceId: string;
}): Promise<void> {
  const row = workspaceRowLocator(input.page, input.serverId, input.workspaceId);
  await expect(row).toBeVisible({ timeout: 30_000 });
  await row.click();

  const targetWorkspaceRoute = buildHostWorkspaceRoute(input.serverId, input.workspaceId);
  await expectAppRoute(input.page, targetWorkspaceRoute, { timeout: 30_000 });
}

/**
 * Wait for a workspace's sidebar row to appear, confirming the workspace
 * descriptor has been hydrated into the session store.
 */
export async function waitForWorkspaceInSidebar(
  page: Page,
  input: { serverId: string; workspaceId: string },
): Promise<void> {
  await workspaceRowLocator(page, input.serverId, input.workspaceId).waitFor({
    state: "visible",
    timeout: 60_000,
  });
}

export async function expectWorkspaceHeader(
  page: Page,
  input: { title: string; subtitle: string },
): Promise<void> {
  const titleLocator = page.getByTestId("workspace-header-title").filter({ visible: true });
  const subtitleLocator = page.getByTestId("workspace-header-subtitle").filter({ visible: true });

  await expect(titleLocator.first()).toHaveText(input.title, {
    timeout: 30_000,
  });
  await expect(subtitleLocator.first()).toHaveText(input.subtitle, {
    timeout: 30_000,
  });
}

export async function expectReconnectingToastVisible(
  page: Page,
  options?: { timeout?: number },
): Promise<void> {
  await expect(page.getByTestId("agent-reconnecting-toast")).toBeVisible({
    timeout: options?.timeout ?? 30_000,
  });
}

export async function expectReconnectingToastGone(
  page: Page,
  options?: { timeout?: number },
): Promise<void> {
  await expect(page.getByTestId("agent-reconnecting-toast")).toHaveCount(0, {
    timeout: options?.timeout ?? 30_000,
  });
}

export async function expectHostConnectingOrOffline(
  page: Page,
  options?: { timeout?: number },
): Promise<void> {
  await expect(
    page.getByText(/^Connecting$|localhost is offline|Cannot reach localhost/i),
  ).toBeVisible({ timeout: options?.timeout ?? 30_000 });
}

export async function expectMenuButtonVisible(page: Page): Promise<void> {
  await expect(page.getByTestId("menu-button")).toBeVisible();
}

export async function expectWorkspaceHeaderAbsent(page: Page): Promise<void> {
  await expect(page.getByTestId("workspace-header-title")).toHaveCount(0);
}

export function workspaceDeckEntryLocator(page: Page, serverId: string, workspaceId: string) {
  return page.getByTestId(`workspace-deck-entry-${serverId}:${workspaceId}`);
}

export async function expectWorkspaceDeckEntryCount(page: Page, count: number): Promise<void> {
  await expect(page.locator('[data-testid^="workspace-deck-entry-"]')).toHaveCount(count);
}

export async function seedWorkspaceActivity(page: Page, marker: string): Promise<void> {
  const input = page.getByRole("textbox", { name: "Message agent..." });
  await expect(input).toBeEditable({ timeout: 30_000 });
  await input.fill(marker);
  await input.press("Enter");
  await expect(page).toHaveURL(/\/workspace\//, { timeout: 30_000 });
}