#!/usr/bin/env npx tsx

import assert from 'node:assert'
import { mkdtempSync, mkdirSync, rmSync, writeFileSync } from 'node:fs'
import os from 'node:os'
import path from 'node:path'
import {
  getDaemonHost,
  normalizeDaemonHost,
  resolveDaemonTarget,
  resolveDefaultDaemonHosts,
} from '../src/utils/client.js'

console.log('=== CLI IPC Target Helpers ===\n')

{
  console.log('Test 1: unix hosts resolve to ws+unix URLs')
  const target = resolveDaemonTarget('unix:///tmp/paseo.sock')
  assert.deepStrictEqual(target, {
    type: 'ipc',
    url: 'ws+unix:///tmp/paseo.sock:/ws',
    socketPath: '/tmp/paseo.sock',
  })
  console.log('✓ unix hosts resolve to ws+unix URLs\n')
}

{
  console.log('Test 2: pipe hosts preserve the Node socketPath transport form')
  const target = resolveDaemonTarget('pipe://\\\\.\\pipe\\paseo-managed-test')
  assert.deepStrictEqual(target, {
    type: 'ipc',
    url: 'ws://localhost/ws',
    socketPath: '\\\\.\\pipe\\paseo-managed-test',
  })
  console.log('✓ pipe hosts preserve Node socketPath transport form\n')
}

{
  console.log('Test 3: local unix socket paths normalize into IPC daemon targets')
  assert.strictEqual(normalizeDaemonHost('/tmp/paseo.sock'), 'unix:///tmp/paseo.sock')
  console.log('✓ local unix socket paths normalize into IPC daemon targets\n')
}

{
  console.log('Test 4: default host resolution tries local IPC first, then localhost fallback')
  const paseoHome = mkdtempSync(path.join(os.tmpdir(), 'paseo-client-targets-'))
  try {
    mkdirSync(paseoHome, { recursive: true })
    writeFileSync(
      path.join(paseoHome, 'paseo.pid'),
      JSON.stringify({ pid: process.pid, sockPath: '/tmp/paseo-from-pid.sock' })
    )
    assert.deepStrictEqual(resolveDefaultDaemonHosts({ PASEO_HOME: paseoHome }), [
      'unix:///tmp/paseo-from-pid.sock',
      'localhost:6767',
    ])
    const previousHome = process.env.PASEO_HOME
    const previousHost = process.env.PASEO_HOST
    process.env.PASEO_HOME = paseoHome
    delete process.env.PASEO_HOST
    assert.strictEqual(getDaemonHost(), 'unix:///tmp/paseo-from-pid.sock')
    if (previousHome === undefined) delete process.env.PASEO_HOME
    else process.env.PASEO_HOME = previousHome
    if (previousHost === undefined) delete process.env.PASEO_HOST
    else process.env.PASEO_HOST = previousHost
  } finally {
    rmSync(paseoHome, { recursive: true, force: true })
  }
  console.log('✓ default host resolution tries local IPC first, then localhost fallback\n')
}

{
  console.log('Test 5: configured TCP host is preserved before the localhost fallback')
  const paseoHome = mkdtempSync(path.join(os.tmpdir(), 'paseo-client-targets-tcp-'))
  try {
    assert.deepStrictEqual(
      resolveDefaultDaemonHosts({
        PASEO_HOME: paseoHome,
        PASEO_LISTEN: '127.0.0.1:7777',
      }),
      ['127.0.0.1:7777', 'localhost:6767']
    )
  } finally {
    rmSync(paseoHome, { recursive: true, force: true })
  }
  console.log('✓ configured TCP host is preserved before the localhost fallback\n')
}

{
  console.log('Test 6: local IPC still takes priority over configured TCP hosts')
  const paseoHome = mkdtempSync(path.join(os.tmpdir(), 'paseo-client-targets-order-'))
  try {
    mkdirSync(paseoHome, { recursive: true })
    writeFileSync(
      path.join(paseoHome, 'paseo.pid'),
      JSON.stringify({ pid: process.pid, sockPath: '/tmp/paseo-priority.sock' })
    )
    assert.deepStrictEqual(
      resolveDefaultDaemonHosts({
        PASEO_HOME: paseoHome,
        PASEO_LISTEN: '127.0.0.1:7777',
      }),
      ['unix:///tmp/paseo-priority.sock', '127.0.0.1:7777', 'localhost:6767']
    )
  } finally {
    rmSync(paseoHome, { recursive: true, force: true })
  }
  console.log('✓ local IPC still takes priority over configured TCP hosts\n')
}

console.log('=== All CLI IPC target tests passed ===')