import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
import { mkdtempSync, rmSync } from 'node:fs';
import { join } from 'node:path';
import { tmpdir } from 'node:os';
import { createStatusCommand } from '../../src/commands/status.js';
import { saveConfig, DEFAULT_CONFIG } from '../../src/config/index.js';

let tempDir: string;
let output: string[];

function log(...args: string[]) {
  output.push(args.join(' '));
}

beforeEach(() => {
  tempDir = mkdtempSync(join(tmpdir(), 'mcpctl-status-test-'));
  output = [];
});

afterEach(() => {
  rmSync(tempDir, { recursive: true, force: true });
});

describe('status command', () => {
  it('shows status in table format', async () => {
    const cmd = createStatusCommand({
      configDeps: { configDir: tempDir },
      log,
      checkDaemon: async () => true,
    });
    await cmd.parseAsync([], { from: 'user' });
    expect(output.join('\n')).toContain('mcpctl v');
    expect(output.join('\n')).toContain('connected');
  });

  it('shows unreachable when daemon is down', async () => {
    const cmd = createStatusCommand({
      configDeps: { configDir: tempDir },
      log,
      checkDaemon: async () => false,
    });
    await cmd.parseAsync([], { from: 'user' });
    expect(output.join('\n')).toContain('unreachable');
  });

  it('shows status in JSON format', async () => {
    const cmd = createStatusCommand({
      configDeps: { configDir: tempDir },
      log,
      checkDaemon: async () => true,
    });
    await cmd.parseAsync(['-o', 'json'], { from: 'user' });
    const parsed = JSON.parse(output[0]) as Record<string, unknown>;
    expect(parsed['version']).toBe('0.1.0');
    expect(parsed['daemonReachable']).toBe(true);
  });

  it('shows status in YAML format', async () => {
    const cmd = createStatusCommand({
      configDeps: { configDir: tempDir },
      log,
      checkDaemon: async () => false,
    });
    await cmd.parseAsync(['-o', 'yaml'], { from: 'user' });
    expect(output[0]).toContain('daemonReachable: false');
  });

  it('uses custom daemon URL from config', async () => {
    saveConfig({ ...DEFAULT_CONFIG, daemonUrl: 'http://custom:5555' }, { configDir: tempDir });
    let checkedUrl = '';
    const cmd = createStatusCommand({
      configDeps: { configDir: tempDir },
      log,
      checkDaemon: async (url) => {
        checkedUrl = url;
        return false;
      },
    });
    await cmd.parseAsync([], { from: 'user' });
    expect(checkedUrl).toBe('http://custom:5555');
  });

  it('shows registries from config', async () => {
    saveConfig({ ...DEFAULT_CONFIG, registries: ['official'] }, { configDir: tempDir });
    const cmd = createStatusCommand({
      configDeps: { configDir: tempDir },
      log,
      checkDaemon: async () => true,
    });
    await cmd.parseAsync([], { from: 'user' });
    expect(output.join('\n')).toContain('official');
    expect(output.join('\n')).not.toContain('glama');
  });
});