#! /usr/bin/env python3
from os import environ, makedirs

release_tag = environ.get('RELEASE_TAG')
if not release_tag:
    print('::error ::RELEASE_TAG is required but missing')
    exit(1)

checksum = environ.get('CHECKSUM')
if not checksum:
    print('::error ::CHECKSUM is required but missing')
    exit(1)

readme_checksum = environ.get('README_CHECKSUM')
if not readme_checksum:
    print('::error ::README_CHECKSUM is required but missing')
    exit(1)

maintainer = '# Maintainer: Thales Maciel <contato@thalesmaciel.com>\n'

opening = maintainer + '\n # This file is automatically generated. Do not edit.\n'

print('Generating PKGBUILD for fmq...')

makedirs('./pkgbuild/fmq-bin', exist_ok=True)
with open('./pkgbuild/fmq-bin/PKGBUILD', 'w') as pkgbuild:
    content = opening + '\n'
    content += 'pkgname=fmq-bin\n'
    content += '_pkgname=fmq\n'
    content += f'pkgver={release_tag}\n'
    content += f'pkgrel=1\n'
    content += 'pkgdesc="Frontmatter query utils"\n'
    content += 'arch=(x86_64)\n'
    content += 'url="https://github.com/thales-maciel/fmq"\n'
    content += 'license=("MIT")\n'
    content += 'conflicts=("$_pkgname" "${pkgname%-bin}")\n'
    content += 'provides=("${pkgname%-bin}")\n'
    content += 'source_x86_64=("$pkgname-$pkgver::$url/releases/download/v$pkgver/$_pkgname" "$pkgname-$pkgver-README.md::$url/raw/v$pkgver/README.md")\n'
    content += f"sha512sums_x86_64=('{checksum}' '{readme_checksum}')"
    content += '\n\n'
    content += 'package() {\n'
    content += '  install -Dm 755 "$pkgname-$pkgver" "${pkgdir}/usr/bin/$_pkgname"\n'
    content += '  install -Dm 644 "$pkgname-$pkgver-README.md" "$pkgdir/usr/share/doc/$pkgname/README.md"\n'
    content += '}'
    pkgbuild.write(content)