// The zsh module's shape (novox/hq ADR 0203, ADR 0204, to-be 41 WP3): it claims the mesh's
// node-login-shell and declares no seat; its ~/.zshrc block goes at the start and holds the three
// slots in order; its ~/.zshenv block sources the path node-environment fixes and nothing else; its
// environment is a contribution, never an export in its own lines.
import { test } from "node:test";
import assert from "node:assert/strict";
import { readFileSync } from "node:fs";

const m = JSON.parse(readFileSync(new URL("../module.json", import.meta.url), "utf8"));
const resource = (id: string) => m.resources.find((r: { id: string }) => r.id === id);

test("it claims node-login-shell serving execute, and declares no seat", () => {
  assert.equal(m.seats, undefined);
  assert.deepEqual(m.claims, [{ name: "node-login-shell", scope: "node", serves: ["execute"] }]);
});

test("the .zshrc block is at the start and holds the three slots in order, after the defaults' header", () => {
  const rc = resource("rc");
  assert.equal(rc.path, "${machine:account-home}/.zshrc");
  assert.equal(rc.into, "block");
  assert.equal(rc.at, "start");
  const c: string = rc.content;
  const first = c.indexOf("${shell:zsh:first}");
  const normal = c.indexOf("${shell:zsh:normal}");
  const last = c.indexOf("${shell:zsh:last}");
  assert.ok(c.startsWith("# The mesh's block"), "it opens by saying whose it is");
  assert.ok(first > 0 && first < normal && normal < last, "first, normal, last, in that order");
  assert.ok(c.indexOf("set_terminal_title") > first && c.indexOf("sudo-disksize") < normal, "the defaults sit between first and normal");
  for (const slot of ["first", "normal", "last"]) assert.equal(c.split(`\${shell:zsh:${slot}}`).length, 2, `${slot} appears once`);
});

test("the .zshrc block carries the shared defaults and none of the operator's own lines", () => {
  const c: string = resource("rc").content;
  for (const want of ["precmd_functions+=(set_terminal_title)", "alias egrep='egrep --color=auto'", "alias ll='ls -alhF'", "alias drun=", "disksize()", "sudo-disksize()"]) {
    assert.ok(c.includes(want), want);
  }
  assert.equal((c.match(/^bindkey /gm) ?? []).length, 7);
  for (const not of ["export ", "p10k", "powerlevel10k", "nvm", ".dotnet", "MY_KV_PATH", "MY_LIB_PATH", "CLAUDE_CODE_DISABLE_TERMINAL_TITLE", "killport", "findport", ".zshrc.local", "zsh-autosuggestions", "zsh-syntax-highlighting"]) {
    assert.ok(!c.includes(not), `the block holds no ${not}`);
  }
});

test("the .zshenv block sources exactly the environment file node-environment fixes", () => {
  const env = resource("env");
  assert.equal(env.path, "${machine:account-home}/.zshenv");
  assert.equal(env.into, "block");
  assert.equal(env.at, "start");
  const sourced = [...(env.content as string).matchAll(/^\s*(?:source|\.)\s+"?([^"\s]+)"?/gm)].map((x) => x[1]);
  assert.deepEqual(sourced, ["${machine:account-home}/.config/mesh/environment.sh"]);
});

test("its environment is a contribution: the editor, the configuration home, and three PATH entries at the start", () => {
  assert.deepEqual(m.environment.variables, { EDITOR: "vim", VISUAL: "vim", XDG_CONFIG_HOME: "${machine:account-home}/.config" });
  assert.deepEqual(m.environment.path, [
    { entry: "${machine:account-home}/.local/bin", at: "start" },
    { entry: "${machine:account-home}/scripts", at: "start" },
    { entry: "${machine:account-home}/scripts/bin", at: "start" },
  ]);
});

test("it keeps the package and sets the login shell through the user shape", () => {
  assert.deepEqual(resource("package"), { id: "package", type: "package", package: "zsh" });
  assert.deepEqual(resource("login"), { id: "login", type: "user", name: "${machine:account}", shell: "/usr/bin/zsh" });
  assert.ok(m.capabilities.includes("package-manager"));
});

test("the tools bundle registers the seat's verb under node-login-shell", () => {
  const src = readFileSync(new URL("../tools/index.ts", import.meta.url), "utf8");
  assert.match(src, /registerModuleTools\("node-login-shell", seatVerbs\)/);
  assert.doesNotMatch(src, /runuser|"login-shell"/);
});