export async function runLinuxCncBrowserSections(context, simulator) {
  const {
    expectEvent,
    expectMissingWasmPath,
    near,
    runSection,
  } = context;
  const isIniFileNameField = (field) => field === "ini" ||
    field === "iniFile" ||
    field === "inifile" ||
    field === "iniFileName" ||
    field === "inifilename" ||
    field === "ini_file" ||
    field === "ini_file_name" ||
    field === "INI_FILE_NAME";
  await runSection("linuxcnc browser basic parse", async () => {
    const events = simulator.parse("G21 G90\nG0 X0\nG1 X5 F100\nM30\n", "linuxcnc", {
      backend: "linuxcnc-rs274",
    });
    expectEvent(events, (event) => event.type === "linear-feed" && near(event.end.x, 5),
      "missing expected LinuxCNC WASM browser linear-feed event");
    expectEvent(events, (event) => event.type === "program-end",
      "missing expected LinuxCNC WASM browser program-end event");
  });
  let configCases = [];
  await runSection("linuxcnc generated switchkins cases load", async () => {
    const configCaseResponse = await fetch("/public/linuxcnc_switchkins_remap_config_cases.json");
    if (!configCaseResponse.ok) {
      throw new Error(`failed to load LinuxCNC switchkins config cases: ${configCaseResponse.status}`);
    }
    configCases = await configCaseResponse.json();
    if (!Array.isArray(configCases) || configCases.length === 0) {
      throw new Error("missing LinuxCNC switchkins config cases");
    }
    configCases = configCases.filter((configCase) => !isIniFileNameField(configCase.field));
    if (configCases.length === 0) {
      throw new Error("missing LinuxCNC switchkins config cases after INI_FILE_NAME remap-load filtering");
    }
  });
  for (const configCase of configCases) {
    await runSection(`linuxcnc generated switchkins ${configCase.field}=${configCase.value}`, async () => {
      const options = {
        backend: "linuxcnc-rs274",
        [configCase.field]: configCase.value,
      };
      const program = configCase.m430 >= 0 ? "M428\nM429\nM430\n" : "M428\nM429\n";
      const configEvents = simulator.parse(program, "linuxcnc", options);
      for (const [line, kinstype] of [
        [1, configCase.m428],
        [2, configCase.m429],
        ...(configCase.m430 >= 0 ? [[3, configCase.m430]] : []),
      ]) {
        expectEvent(configEvents,
          (event) => event.type === "kinematics-switch" && event.line === line && event.reserved === kinstype,
          `missing LinuxCNC WASM browser generated ${configCase.field}=${configCase.value} line ${line} switchkins type ${kinstype}`,
        );
      }
    });
  }
  await runSection("linuxcnc browser explicit scara switchkins", async () => {
    const switchEvents = simulator.parse("M428\nM429\nM430\n", "linuxcnc", {
      backend: "linuxcnc-rs274",
      switchkins: "scara",
    });
    for (const [line, kinstype] of [
      [1, 0],
      [2, 1],
      [3, 2],
    ]) {
      expectEvent(switchEvents,
        (event) => event.type === "kinematics-switch" && event.line === line && event.reserved === kinstype,
        `missing LinuxCNC WASM browser M${427 + line} switchkins type ${kinstype}`,
      );
    }
  });
  await runSection("linuxcnc browser parse parameter scratch cleanup", async () => {
    for (const parameterPath of ["rs274ngc.var", "rs274ngc.var.new", "rs274ngc.var.bak"]) {
      expectMissingWasmPath(
        () => simulator.fs.module.FS.stat(parameterPath),
        `browser parse left LinuxCNC parameter state outside OPFS: ${parameterPath}`,
      );
    }
  });
}