import pyrpkg

import os

import re

from . import cli

class Commands(pyrpkg.Commands):

    def __init__(self, path, lookaside, lookasidehash, lookaside_cgi,

                 gitbaseurl, anongiturl, branchre, kojiconfig,

                 build_client, user=None, dist=None, target=None,

                 quiet=False):

        super(Commands,self).__init__(path, lookaside, lookasidehash,

                                      lookaside_cgi, gitbaseurl, anongiturl,

                                      branchre, kojiconfig, build_client,

                                      user, dist, target,

                                      quiet)

    # redefined loaders

    def load_rpmdefines(self):

        try:

            osver = re.search(r'\d.*$', self.branch_merge).group()

        except AttributeError:

            raise pyrpkg.rpkgError('Could not find the base OS ver from branch name'

                            ' %s' % self.branch_merge)

        self._distval = osver

        self._distval = self._distval.replace('.', '_')

        self._disttag = 'el%s' % self._distval

        self._rpmdefines = ["--define '_sourcedir %s'" % os.path.join(self.path,'SOURCES'),

                            "--define '_specdir %s'" % os.path.join(self.path,'SPECS'),

                            "--define '_builddir %s'" % os.path.join(self.path,'BUILD'),

                            "--define '_srcrpmdir %s'" % os.path.join(self.path,'SRPMS'),

                            "--define '_rpmdir %s'" % os.path.join(self.path, 'RPMS'),

                            "--define 'dist .%s'" % self._disttag,

                            # int and float this to remove the decimal

                            "--define '%s 1'" % self._disttag]

    def load_spec(self):

        """This sets the spec attribute"""

        # We are not using the upstream load_spec because the file structure is

        # hard-coded

        deadpackage = False

        # Get a list of files in the path we're looking at

        files = os.listdir(os.path.join(self.path,'SPECS'))

        # Search the files for the first one that ends with ".spec"

        for f in files:

            if f.endswith('.spec') and not f.startswith('.'):

                self._spec = os.path.join('SPECS',f)

                return

            if f == 'dead.package':

                deadpackage = True

        if deadpackage:

            raise pyrpkg.rpkgError('No spec file found. This package is retired')

        else:

            raise pyrpkg.rpkgError('No spec file found.')

    # These are the commands defined in the base pyrpkg.Commands class

    def load_kojisession(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def add_tag(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def clean(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def clone(self, *args, **kwargs):

        super(Commands,self).clone(*args, **kwargs)

    def clone_with_dirs(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def commit(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def delete_tag(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def get_latest_commit(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def gitbuildhash(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def import_srpm(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def list_tag(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def new(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def patch(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def pull(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def push(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def sources(self, outdir=None):

        """Download source files"""

        # We are not using sources() in super because the metadata file is

        # hard-coded into the first open() call. Otherwise this is copied from

        # upstream pyrpkg

        try:

            archives = open(os.path.join(self.path,

                                         '.{0}.metadata'.format(self.module_name)),

                            'r').readlines()

        except IOError, e:

            raise pyrpkg.rpkgError('%s is not a valid repo: %s' % (self.path, e))

        # Default to putting the files where the module is

        if not outdir:

            outdir = self.path

        for archive in archives:

            try:

                # This strip / split is kind a ugly, but checksums shouldn't have

                # two spaces in them.  sources file might need more structure in the

                # future

                csum, file = archive.strip().split(' ', 1)

            except ValueError:

                raise pyrpkg.rpkgError('Malformed sources file.')

            # See if we already have a valid copy downloaded

            outfile = os.path.join(outdir, file)

            if os.path.exists(outfile):

                if self._verify_file(outfile, csum, self.lookasidehash):

                    continue

            self.log.info("Downloading %s" % (file))

            url = '%s/%s/%s/%s' % (self.lookaside, self.module_name,

                                      self.branch_merge,

                                      csum,

                                      )

            # There is some code here for using pycurl, but for now,

            # just use subprocess

            #output = open(file, 'wb')

            #curl = pycurl.Curl()

            #curl.setopt(pycurl.URL, url)

            #curl.setopt(pycurl.FOLLOWLOCATION, 1)

            #curl.setopt(pycurl.MAXREDIRS, 5)

            #curl.setopt(pycurl.CONNECTTIMEOUT, 30)

            #curl.setopt(pycurl.TIMEOUT, 300)

            #curl.setopt(pycurl.WRITEDATA, output)

            #try:

            #    curl.perform()

            #except:

            #    print "Problems downloading %s" % url

            #    curl.close()

            #    output.close()

            #    return 1

            #curl.close()

            #output.close()

            # These options came from Makefile.common.

            # Probably need to support wget as well

            command = ['curl', '-H', 'Pragma:', '-o', outfile, '-R', '-S', '--fail']

            if self.quiet:

                command.append('-s')

            command.append(url)

            self._run_command(command)

            if not self._verify_file(outfile, csum, self.lookasidehash):

                raise pyrpkg.rpkgError('%s failed checksum' % file)

        return

    def switch_branch(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def file_exists(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def upload_file(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def build(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def clog(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def compile(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def giturl(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def koji_upload(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def install(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def lint(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def local(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def mock_config(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def mockbuild(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def upload(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def prep(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def srpm(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def unused_patches(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")

    def verify_files(self, *args, **kwargs):

        raise NotImplementedError("This command is not yet implemented in centpkg")