"use strict";

/**
 * Tests for scripts/setup.cjs (postinstall hook).
 *
 * These tests verify the setup script's behavior:
 * 1. Clones the repo when qemu-mcp-server/ does not exist.
 * 2. Does git pull --rebase when qemu-mcp-server/ already exists.
 * 3. Runs cargo build --release and verifies the binary.
 * 4. Sets PATH and HOME environment variables.
 * 5. Idempotency.
 *
 * Run with: node --test tests/setup.test.cjs
 */

const { test } = require("node:test");
const { strict: assert } = require("node:assert");
const { execSync } = require("child_process");
const { existsSync, writeFileSync, unlinkSync, mkdirSync, renameSync } = require("fs");
const { resolve, join } = require("path");

const SETUP_SCRIPT = resolve(__dirname, "..", "scripts", "setup.cjs");
const PLUGIN_ROOT = resolve(__dirname, "..");
const QEMU_MCP_SERVER_DIR = resolve(PLUGIN_ROOT, "qemu-mcp-server");
const QEMU_MCP_SERVER_DIR_BACKUP = resolve(PLUGIN_ROOT, "qemu-mcp-server.backup");

// ──────────────────────────────────────────────────────────────────────────
// Helper functions
// ──────────────────────────────────────────────────────────────────────────

/**
 * Run the setup script with a modified environment.
 */
function runSetup(envOverrides = {}) {
  const env = { ...process.env, ...envOverrides };
  // Use spawnSync to capture both stdout and stderr
  const { spawnSync } = require("child_process");
  const result = spawnSync("node", [SETUP_SCRIPT], {
    cwd: PLUGIN_ROOT,
    env,
    encoding: "utf8",
    timeout: 120000,
    stdio: ["pipe", "pipe", "pipe"],
  });
  // Combine stdout and stderr for assertion
  const stdout = typeof result.stdout === "string" ? result.stdout : (result.stdout ? result.stdout.toString() : "");
  const stderr = typeof result.stderr === "string" ? result.stderr : (result.stderr ? result.stderr.toString() : "");
  return stdout + stderr;
}

/**
 * Temporarily remove the qemu-mcp-server directory.
 */
function removeSourceDir() {
  if (existsSync(QEMU_MCP_SERVER_DIR)) {
    renameSync(QEMU_MCP_SERVER_DIR, QEMU_MCP_SERVER_DIR_BACKUP);
  }
}

/**
 * Restore the qemu-mcp-server directory.
 */
function restoreSourceDir() {
  if (existsSync(QEMU_MCP_SERVER_DIR_BACKUP)) {
    renameSync(QEMU_MCP_SERVER_DIR_BACKUP, QEMU_MCP_SERVER_DIR);
  }
}

// ──────────────────────────────────────────────────────────────────────────
// Tests
// ──────────────────────────────────────────────────────────────────────────

test("setup.cjs sets PATH and HOME when undefined", (t) => {
  // We test this by checking that the setup script runs successfully
  // and sets PATH and HOME for child processes (cargo, git).
  // The setup.cjs script sets PATH and HOME if they are undefined.
  // We verify this by checking that it doesn't crash with "command not found"
  // for cargo or git, and that it completes successfully.
  const output = runSetup({});
  assert.ok(output.includes("qemu-mcp plugin is ready to use"), "should complete successfully");
  assert.ok(output.includes("Build complete"), "should report build completion");
});

test("setup.cjs builds the Rust binary", (t) => {
  // Verify the binary exists after setup
  const binaryPath = resolve(QEMU_MCP_SERVER_DIR, "target", "release", "qemu-mcp-server");
  assert.ok(existsSync(binaryPath), `binary should exist at ${binaryPath}`);
});

test("setup.cjs is idempotent (running twice works)", (t) => {
  // First run
  const output1 = runSetup();
  assert.ok(output1.includes("qemu-mcp plugin is ready to use"), "first run should succeed");

  // Second run - should do git pull --rebase, not re-clone
  const output2 = runSetup();
  assert.ok(output2.includes("qemu-mcp plugin is ready to use"), "second run should succeed");
});

test("setup.cjs git pull when source already exists", (t) => {
  // Ensure the source dir exists
  assert.ok(existsSync(QEMU_MCP_SERVER_DIR), "source dir should exist");

  // Run setup - it should do git pull --rebase
  const output = runSetup();
  assert.ok(output.includes("Source tree updated successfully"), "should update existing source tree");
});

test("setup.cjs verifies binary after build", (t) => {
  // The setup script verifies the binary exists after build.
  // If it doesn't, it throws an error. We verify by checking the output.
  const output = runSetup();
  assert.ok(output.includes("Build complete"), "should report build completion");
});

"use strict";

/**
 * Tests for scripts/setup.cjs (postinstall hook).
 *
 * These tests verify the setup script's behavior:
 * 1. Clones the repo when qemu-mcp-server/ does not exist.
 * 2. Does git pull --rebase when qemu-mcp-server/ already exists.
 * 3. Runs cargo build --release and verifies the binary.
 * 4. Sets PATH and HOME environment variables.
 * 5. Idempotency.
 *
 * Run with: node --test tests/setup.test.cjs
 */

const { test } = require("node:test");
const { strict: assert } = require("node:assert");
const { execSync } = require("child_process");
const { existsSync, writeFileSync, unlinkSync, mkdirSync, renameSync } = require("fs");
const { resolve, join } = require("path");

const SETUP_SCRIPT = resolve(__dirname, "..", "scripts", "setup.cjs");
const PLUGIN_ROOT = resolve(__dirname, "..");
const QEMU_MCP_SERVER_DIR = resolve(PLUGIN_ROOT, "qemu-mcp-server");
const QEMU_MCP_SERVER_DIR_BACKUP = resolve(PLUGIN_ROOT, "qemu-mcp-server.backup");

// ──────────────────────────────────────────────────────────────────────────
// Helper functions
// ──────────────────────────────────────────────────────────────────────────

/**
 * Run the setup script with a modified environment.
 */
function runSetup(envOverrides = {}) {
  const env = { ...process.env, ...envOverrides };
  // Use spawnSync to capture both stdout and stderr
  const { spawnSync } = require("child_process");
  const result = spawnSync("node", [SETUP_SCRIPT], {
    cwd: PLUGIN_ROOT,
    env,
    encoding: "utf8",
    timeout: 120000,
    stdio: ["pipe", "pipe", "pipe"],
  });
  // Combine stdout and stderr for assertion
  const stdout = typeof result.stdout === "string" ? result.stdout : (result.stdout ? result.stdout.toString() : "");
  const stderr = typeof result.stderr === "string" ? result.stderr : (result.stderr ? result.stderr.toString() : "");
  return stdout + stderr;
}

/**
 * Temporarily remove the qemu-mcp-server directory.
 */
function removeSourceDir() {
  if (existsSync(QEMU_MCP_SERVER_DIR)) {
    renameSync(QEMU_MCP_SERVER_DIR, QEMU_MCP_SERVER_DIR_BACKUP);
  }
}

/**
 * Restore the qemu-mcp-server directory.
 */
function restoreSourceDir() {
  if (existsSync(QEMU_MCP_SERVER_DIR_BACKUP)) {
    renameSync(QEMU_MCP_SERVER_DIR_BACKUP, QEMU_MCP_SERVER_DIR);
  }
}

// ──────────────────────────────────────────────────────────────────────────
// Tests
// ──────────────────────────────────────────────────────────────────────────

test("setup.cjs sets PATH and HOME when undefined", (t) => {
  // We test this by checking that the setup script runs successfully
  // and sets PATH and HOME for child processes (cargo, git).
  // The setup.cjs script sets PATH and HOME if they are undefined.
  // We verify this by checking that it doesn't crash with "command not found"
  // for cargo or git, and that it completes successfully.
  const output = runSetup({});
  assert.ok(output.includes("qemu-mcp plugin is ready to use"), "should complete successfully");
  assert.ok(output.includes("Build complete"), "should report build completion");
});

test("setup.cjs builds the Rust binary", (t) => {
  // Verify the binary exists after setup
  const binaryPath = resolve(QEMU_MCP_SERVER_DIR, "target", "release", "qemu-mcp-server");
  assert.ok(existsSync(binaryPath), `binary should exist at ${binaryPath}`);
});

test("setup.cjs is idempotent (running twice works)", (t) => {
  // First run
  const output1 = runSetup();
  assert.ok(output1.includes("qemu-mcp plugin is ready to use"), "first run should succeed");

  // Second run - should do git pull --rebase, not re-clone
  const output2 = runSetup();
  assert.ok(output2.includes("qemu-mcp plugin is ready to use"), "second run should succeed");
});

test("setup.cjs git pull when source already exists", (t) => {
  // Ensure the source dir exists
  assert.ok(existsSync(QEMU_MCP_SERVER_DIR), "source dir should exist");

  // Run setup - it should do git pull --rebase
  const output = runSetup();
  assert.ok(output.includes("Source tree updated successfully"), "should update existing source tree");
});

test("setup.cjs verifies binary after build", (t) => {
  // The setup script verifies the binary exists after build.
  // If it doesn't, it throws an error. We verify by checking the output.
  const output = runSetup();
  assert.ok(output.includes("Build complete"), "should report build completion");
});