#!/usr/bin/env python

from os import listdir
from os.path import isfile, join
from subprocess import call
import sys

need_rebuild = False

def update_workspace():
    try:
        call(['bash', '-c', 'cd gir && cargo build --release'])
    except:
        return False
    return True


if not isfile('./gir/src'):
    need_rebuild = True
    print('=> Initializing gir submodule...')
    call(['bash', '-c', 'git submodule update --init'])
    print('<= Done!')

question = 'Do you want to update gir submodule? [y/N] '
if sys.version_info[0] < 3:
    line = raw_input(question)
else:
    line = input(question)
line = line.strip()
if line.lower() == 'y':
    need_rebuild = True
    print('=> Updating gir submodule...')
    call(['bash', '-c', 'cd gir && git reset --hard HEAD && git pull -f origin master'])
    print('<= Done!')

if need_rebuild is True or not os.path.isfile('./gir/target/release/gir'):
    print('=> Building gir...')
    if update_workspace() is True:
        print('<= Done!')
    else:
        print('<= Failed...')
        sys.exit(1)

print('=> Regenerating crates...')
for entry in [f for f in listdir('.') if isfile(join('.', f))]:
    if entry.startswith('Gir_Gst') and entry.endswith('.toml'):
        print('==> Regenerating "{}"...'.format(entry))
        try:
            call(['./gir/target/release/gir', '-c', entry])
        except Exception as err:
            print('The following error occurred: {}'.format(err))
            line = input('Do you want to continue? [y/N] ').strip().lower()
            if line != 'y':
                sys.exit(1)
        print('<== Done!')
call(['cargo', 'fmt'])
print('<= Done!')
print("Don't forget to check if everything has been correctly generated!")