from pythonforandroid.toolchain import Recipe, current_directory, shprint
import sh
import os.path


class LibpqRecipe(Recipe):
    version = '10.12'
    url = 'http://ftp.postgresql.org/pub/source/v{version}/postgresql-{version}.tar.bz2'
    depends = []

    def get_recipe_env(self, arch):
        env = super().get_recipe_env(arch)
        env['USE_DEV_URANDOM'] = '1'

        return env

    def should_build(self, arch):
        return not os.path.isfile('{}/libpq.a'.format(self.ctx.get_libs_dir(arch.arch)))

    def build_arch(self, arch):
        env = self.get_recipe_env(arch)

        with current_directory(self.get_build_dir(arch.arch)):
            configure = sh.Command('./configure')
            shprint(configure, '--without-readline', '--host=arm-linux',
                    _env=env)
            shprint(sh.make, 'submake-libpq', _env=env)
            shprint(sh.cp, '-a', 'src/interfaces/libpq/libpq.a',
                    self.ctx.get_libs_dir(arch.arch))


recipe = LibpqRecipe()