import logging
import os
import shutil
import subprocess
##
from . import constants


_log = logging.getLogger()


class Target(object):
    def __init__(self, target_xml):
        self.xml = target_xml
        self.subdir = self.xml.attrib.get('subDir', '.')
        self.base = self.xml.attrib.get('baseName')
        self.target = self.xml.text
        if not self.base:
            self.base = os.path.basename(self.target)


class IpxeScript(object):
    def __init__(self, script_dir, script_xml):
        self.xml = script_xml
        self.fpath = os.path.join(os.path.abspath(os.path.expanduser(script_dir)),
                                  self.xml.text)
        self.prefix = self.xml.attrib['prefix']


class Compiler(object):
    def __init__(self, builddir, destdir, upstream, patches, monkey_patches, build_xml):
        self.xml = build_xml
        self.build = os.path.abspath(os.path.expanduser(builddir))
        self.dest = os.path.abspath(os.path.expanduser(destdir))
        self.src = upstream.dest
        self.upstream = upstream
        self.patches = patches
        self.monkey_patches = monkey_patches
        self.targets = []
        self.scripts = []
        self._add_targets()

    def _add_targets(self):
        roms = self.xml.findall('rom')
        if roms is None:


    def make(self):
        # NOTE: 1af41000 is the firmware used by virtIO
        self.prep()
        self.patch()

    def patch(self):
        for m in self.monkey_patches:
            for pf in m.files:
                pf.patch()
        for p in self.patches:
            for pf in p.files:
                pf.patch()
        return()

    def prep(self):
        if self.src != self.build:
            shutil.copytree(self.src, self.build, dirs_exist_ok = True)
        os.makedirs(self.dest)
        # These are standard.
        for d in constants.IPXE_CATEGORIES:
            dpath = os.path.join(self.dest, d)
            os.makedirs(dpath, exist_ok = True)