#!/usr/bin/env python

import os, sys, subprocess, difflib

print '[ processing and updating testcases... ]\n'

for asm in sorted(os.listdir('test')):
  if asm.endswith('.asm.js'):
    print '..', asm
    wasm = asm.replace('.asm.js', '.fromasm')
    actual, err = subprocess.Popen([os.path.join('bin', 'asm2wasm'), os.path.join('test', asm)], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
    open(os.path.join('test', wasm), 'w').write(actual)

for wasm in sorted(os.listdir('test')):
  if wasm.endswith('.wast'):
    print '..', wasm
    asm = wasm.replace('.wast', '.2asm.js')
    actual, err = subprocess.Popen([os.path.join('bin', 'wasm2asm'), os.path.join('test', wasm)], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
    open(os.path.join('test', asm), 'w').write(actual)

for t in sorted(os.listdir('test')):
  if t.endswith('.wast') and not t.startswith('spec'):
    print '..', t
    t = os.path.join('test', t)
    actual, err = subprocess.Popen([os.path.join('bin', 'binaryen-shell'), t, '-print-before'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
    actual = actual.replace('printing before:\n', '')

    open(t, 'w').write(actual)

for s in sorted(os.listdir(os.path.join('test', 'dot_s'))) + sorted(os.listdir(os.path.join('test', 'experimental', 'prototype-wasmate', 'test'))):
  if not s.endswith('.s'): continue
  if s in ['inline-asm.s', 'offset-folding.s']: continue
  print '..', s
  wasm = s.replace('.s', '.wast')
  full = os.path.join('test', 'dot_s', s)
  if not os.path.exists(full):
    full = os.path.join('test', 'experimental', 'prototype-wasmate', 'test', s)
  actual, err = subprocess.Popen([os.path.join('bin', 's2wasm'), full], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
  assert err == '', 'bad err:' + err
  expected_file = os.path.join('test', 'dot_s', wasm)
  open(expected_file, 'w').write(actual)

for wasm in ['min.wast', 'hello_world.wast', 'unit.wast', 'emcc_O2_hello_world.wast', 'emcc_hello_world.wast']:
  if wasm.endswith('.wast'):
    print '..', wasm
    asm = wasm.replace('.wast', '.2asm.js')
    actual, err = subprocess.Popen([os.path.join('bin', 'wasm2asm'), os.path.join('test', wasm)], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
    assert err == '', 'bad err:' + err
    expected_file = os.path.join('test', asm)
    open(expected_file, 'w').write(actual)

for wasm in ['address.wast']:#os.listdir(os.path.join('test', 'spec')):
  if wasm.endswith('.wast'):
    print '..', wasm
    asm = wasm.replace('.wast', '.2asm.js')
    proc = subprocess.Popen([os.path.join('bin', 'wasm2asm'), os.path.join('test', 'spec', wasm)], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    actual, err = proc.communicate()
    assert proc.returncode == 0, err
    assert err == '', 'bad err:' + err
    expected_file = os.path.join('test', asm)
    open(expected_file, 'w').write(actual)

for t in sorted(os.listdir(os.path.join('test', 'passes'))):
  if t.endswith('.wast'):
    print '..', t
    passname = os.path.basename(t).replace('.wast', '')
    cmd = [os.path.join('bin', 'binaryen-shell'), '-print-before', '-print-after', '-' + passname, os.path.join('test', 'passes', t)]
    print '    ', ' '.join(cmd)
    actual, err = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
    open(os.path.join('test', 'passes', passname + '.txt'), 'w').write(actual)

print '\n[ success! ]'