import { describe, it, expect, vi, beforeEach } from "vitest";

vi.mock("node:fs", () => ({
  existsSync: vi.fn(() => false),
}));

vi.mock("node:os", () => ({
  homedir: () => "/home/test",
  platform: () => "linux",
}));

import { listPlatformsCommand } from "./list-platforms.js";

beforeEach(() => {
  vi.clearAllMocks();
});

describe("list-platforms", () => {
  it("prints all 15 supported platforms", async () => {
    const log = vi.spyOn(console, "log").mockImplementation(() => {});
    await listPlatformsCommand.parseAsync(["node", "list-platforms"], {
      from: "node",
    });
    const output = log.mock.calls.map((c) => c.join(" ")).join("\n");
    log.mockRestore();

    // Each registry id must appear in the output
    for (const id of [
      "claude-code",
      "cursor",
      "codex",
      "gemini",
      "copilot",
      "windsurf",
      "cline",
      "roo",
      "aide",
      "augment",
      "zed",
      "continue",
      "opencode",
      "kiro",
      "junie",
    ]) {
      expect(output).toContain(id);
    }
  });

  it("emits stable JSON output with --json", async () => {
    const log = vi.spyOn(console, "log").mockImplementation(() => {});
    await listPlatformsCommand.parseAsync(
      ["node", "list-platforms", "--json"],
      { from: "node" },
    );
    const output = log.mock.calls.map((c) => c.join(" ")).join("");
    log.mockRestore();

    const rows = JSON.parse(output);
    expect(Array.isArray(rows)).toBe(true);
    expect(rows.length).toBe(15);
    for (const row of rows) {
      expect(row).toHaveProperty("id");
      expect(row).toHaveProperty("label");
      expect(row).toHaveProperty("detected");
      expect(row).toHaveProperty("format");
      expect(row).toHaveProperty("path");
      expect(row.detected).toBe(false); // existsSync mocked false
    }

    // Snapshot the ids in order to lock registry ordering.
    expect(rows.map((r: { id: string }) => r.id)).toMatchInlineSnapshot(`
      [
        "claude-code",
        "cursor",
        "codex",
        "gemini",
        "copilot",
        "windsurf",
        "cline",
        "roo",
        "aide",
        "augment",
        "zed",
        "continue",
        "opencode",
        "kiro",
        "junie",
      ]
    `);
  });
});