import os, sys, re, subprocess, datetime

print('Building debug version for OS X 10.8+..')

executePath = os.getcwd()
scriptPath = os.path.dirname(os.path.realpath(__file__))

lastCommit = ''
today = ''
nextLast = False
nextDate = False
sending = False
for arg in sys.argv:
    if nextLast:
        lastCommit = arg
        nextLast = False
    elif nextDate:
        today = arg
        nextDate = False
    elif arg == 'send':
        sending = True
    elif arg == 'from':
        nextLast = True
    elif arg == 'date':
        nextDate = True

def finish(code):
    global executePath
    os.chdir(executePath)
    sys.exit(code)

os.chdir(scriptPath + '/..')

if today == '':
    today = datetime.datetime.now().strftime("%d_%m_%y")
outputFolder = 'updates/' + today

if os.path.exists('../out/Debug/' + outputFolder):
    if sending:
        #subprocess.call(['/Applications/Telegram.app/Contents/MacOS/Telegram', '-sendpath', 'interpret://' + scriptPath + '../../out/Debug/' + outputFolder + '/command.txt'], shell=True)
        subprocess.call(scriptPath + '/../../out/Debug/Telegram.app/Contents/MacOS/Telegram -sendpath interpret://' + scriptPath + '/../../out/Debug/' + outputFolder + '/command.txt', shell=True)
        finish(0)
    else:
        print('[ERROR] Todays updates version exists.')
        finish(1)

templatePath = scriptPath + '/../../../TelegramPrivate/updates_template.txt'
if not os.path.exists(templatePath):
    print('[ERROR] Template file "' + templatePath + '" not found.')
    finish(1)

if not re.match(r'^[a-f0-9]{40}$', lastCommit):
    print('[ERROR] Wrong last commit: ' + lastCommit)
    finish(1)

log = subprocess.check_output(['git', 'log', lastCommit+'..HEAD'])
logLines = log.split('\n')
firstCommit = ''
commits = []
for line in logLines:
    if line.startswith('commit '):
        commit = line.split(' ')[1]
        if not len(firstCommit):
            firstCommit = commit
        commits.append('')
    elif line.startswith('    '):
        stripped = line[4:]
        if not len(stripped):
            continue
        elif not len(commits):
            print('[ERROR] Bad git log output:')
            print(log)
            finish(1)
        if len(commits[len(commits) - 1]):
            commits[len(commits) - 1] += '\n' + stripped
        else:
            commits[len(commits) - 1] = '- ' + stripped
commits.reverse()
if not len(commits):
    print('[ERROR] No commits since last build :(')
    finish(1)

result = subprocess.call('gyp/refresh.sh', shell=True)
if result != 0:
    print('[ERROR] While calling GYP.')
    finish(1)

result = subprocess.call('xcodebuild -project Telegram.xcodeproj -alltargets -configuration Debug build', shell=True)
if result != 0:
    print('[ERROR] While building Telegram.')
    finish(1)

os.chdir('../out/Debug')
if not os.path.exists('Telegram.app'):
    print('[ERROR] Telegram.app not found.')
    finish(1)

result = subprocess.call('strip Telegram.app/Contents/MacOS/Telegram', shell=True)
if result != 0:
    print('[ERROR] While stripping Telegram.')
    finish(1)

result = subprocess.call('codesign --force --deep --sign "Developer ID Application: John Preston" Telegram.app', shell=True)
if result != 0:
    print('[ERROR] While signing Telegram.')
    finish(1)

if not os.path.exists('Telegram.app/Contents/Frameworks/Updater'):
    print('[ERROR] Updater not found.')
    finish(1)
elif not os.path.exists('Telegram.app/Contents/Helpers/crashpad_handler'):
    print('[ERROR] crashpad_handler not found.')
    finish(1)
elif not os.path.exists('Telegram.app/Contents/Resources/Icon.icns'):
    print('[ERROR] Icon not found.')
    finish(1)
elif not os.path.exists('Telegram.app/Contents/_CodeSignature'):
    print('[ERROR] Signature not found.')
    finish(1)

if os.path.exists(today):
    subprocess.call('rm -rf ' + today, shell=True)
result = subprocess.call('mkdir -p ' + today + '/TelegramForcePortable', shell=True)
if result != 0:
    print('[ERROR] Creating folder ' + today + '/TelegramForcePortable')
    finish(1)

result = subprocess.call('cp -r Telegram.app ' + today + '/', shell=True)
if result != 0:
    print('[ERROR] Cloning Telegram.app to ' + today + '.')
    finish(1)

archive = 'tdesktop_macOS_' + today + '.zip'
result = subprocess.call('zip -r ' + archive + ' ' + today, shell=True)
if result != 0:
    print('[ERROR] Adding tdesktop to archive.')
    finish(1)

changelog = '\n'.join(commits)
print('\n\nReady! File: ' + archive + '\nChangelog:\n' + changelog)

subprocess.call('mkdir -p ' + outputFolder, shell=True)
subprocess.call('mv ' + archive + ' ' + outputFolder + '/', shell=True)
with open(templatePath, 'r') as template:
    with open(outputFolder + '/command.txt', 'w') as f:
        for line in template:
            if line.startswith('//'):
                continue
            line = line.replace('{path}', scriptPath + '/../../out/Debug/' + outputFolder + '/' + archive)
            line = line.replace('{caption}', 'TDesktop at ' + today.replace('_', '.') + ':\n\n' + changelog)
            f.write(line)

subprocess.call('rm -rf ' + today, shell=True)
print('Finished.')

finish(0)