/**
 * Running a configuration: output streams into the Run tool window, the exit shows, and Stop ends
 * the process. Processes are stubbed at the IPC layer; `crates/ide-run` covers spawning them.
 */
import type { Page } from "@playwright/test";
import { expect, ipcCalls, stubDesktop, test } from "./fixtures";

const RUN_ID = 7;

/** One saved `npm run dev` configuration; `run_start` prints `output` and exits with `exit` unless null. */
async function stubRun(page: Page, output: { kind: string; text: string }[], exit: number | null) {
  await stubDesktop(page);
  await page.evaluate(
    async ({ output, exit, runId }) => {
      const config = {
        id: "npm:dev",
        name: "dev",
        kind: "npm",
        command: "npm",
        args: ["run", "dev"],
        cwd: "/dev/acme-api",
        env: {},
        detected: false,
        isTest: false,
        debugAdapter: null,
      };
      const h = window.__ipc.handlers;
      h.run_configs = () => [config];
      h.run_apply_settings = (args) => args.configs;
      h.run_start = (args) => {
        setTimeout(() => {
          for (const chunk of output) window.__ipc.send(args.onOutput, chunk);
          if (exit !== null) setTimeout(() => window.__ipc.emit({ type: "runExited", run: runId, code: exit }), 50);
        }, 50);
        return { id: runId, configId: config.id, name: config.name, pid: 4242, running: true, pty: false };
      };
      h.run_stop = () => {
        setTimeout(() => window.__ipc.emit({ type: "runExited", run: runId, code: 143 }), 50);
        return null;
      };
      const runModule = "/src/features/run/store.ts";
      const { loadConfigs, selectConfig } = await import(/* @vite-ignore */ runModule);
      await loadConfigs();
      selectConfig(config.id);
    },
    { output, exit, runId: RUN_ID },
  );
}

test("⌃R runs the selected configuration and shows its output and exit", async ({ workbench: page }) => {
  await stubRun(
    page,
    [
      { kind: "stdout", text: "> acme-api@1.0.0 dev\n" },
      { kind: "stdout", text: "Server listening on http://localhost:8080\n" },
      { kind: "stderr", text: "warning: config/dev.json not found, using defaults\n" },
    ],
    0,
  );
  await page.keyboard.press("Control+r");
  const run = page.getByRole("region", { name: "Run", exact: true });
  await expect(run).toBeVisible();
  await expect(run.getByText("Server listening on http://localhost:8080")).toBeVisible();
  await expect(run.getByText("warning: config/dev.json not found, using defaults")).toBeVisible();
  // Once the process exits, Stop is off and the session's tab tells the exit code.
  await expect(run.getByRole("button", { name: "Stop" })).toBeDisabled();
  await expect(run.getByRole("tab", { name: "dev" })).toHaveAttribute("data-tooltip", /exit code 0$/);
  const [started] = await ipcCalls(page, "run_start");
  expect(started).toMatchObject({ config: { id: "npm:dev", command: "npm", args: ["run", "dev"] } });
});

test("⌘F2 stops a running process", async ({ workbench: page }) => {
  await stubRun(page, [{ kind: "stdout", text: "Watching for changes…\n" }], null);
  await page.keyboard.press("Control+r");
  const run = page.getByRole("region", { name: "Run", exact: true });
  await expect(run.getByText("Watching for changes…")).toBeVisible();
  await expect(run.getByRole("button", { name: "Stop" })).toBeEnabled();
  await page.keyboard.press("Meta+F2");
  await expect.poll(() => ipcCalls(page, "run_stop")).toEqual([{ id: RUN_ID }]);
  await expect(run.getByRole("button", { name: "Stop" })).toBeDisabled();
  await expect(run.getByRole("tab", { name: "dev" })).toHaveAttribute("data-tooltip", /exit code 143$/);
});