#!/usr/bin/env python3
# vi: encoding=utf-8 ts=8 sts=4 sw=4 et

from __future__ import print_function

import getopt
import sys, os
sys.path.insert(0, os.environ['HOME']+'/tld-ftp-admin/modules')
from common import checkdir
from config import ftp_dir,all_ftp_archs
import config
import ftpio

try:
    opts, args = getopt.getopt(sys.argv[1:], 'q',
        [
            "quiet", "index=",
            "nopoldek", "noyum", "norpmrepo",
            "poldek", "yum", "rpmrepo"
        ]
    )
except getopt.GetoptError:
    print("ERR: not enough parameters given", file=sys.stderr)
    print("gen-indexes.py [--quiet] [--[no]poldek] [--[no]yum] [--[no]rpmrepo] tree [tree2...]", file=sys.stderr)
    sys.exit(1)

do_poldek = True
do_yum = False
do_rpmrepo = False
quiet = False
# update only if changed (applicable to yum)
freshen = True

for o, a in opts:
    if o == "--nopoldek":
        do_poldek = False
    if o == "--noyum":
        do_yum = False
    if o == "--norpmrepo":
        do_rpmrepo = False

    if o == "--poldek":
        do_poldek = True
    if o == "--yum":
        do_yum = True
    if o == "--rpmrepo":
        do_rpmrepo = True

    if o == "-q" or o == "--quiet":
        quiet = True

    if o == "--index":
        do_poldek = do_yum = do_rpmrepo = False
        for v in a.split(','):
            if v == 'poldek':
                do_poldek = True
            if v == 'yum':
                do_yum = True
            if v == 'rpmrepo':
                do_rpmrepo = True

if not quiet:
    print("poldek: %s; yum: %s; rpmrepo: %s" % (do_poldek, do_yum, do_rpmrepo))

if not do_poldek and not do_yum and not do_rpmrepo:
    print("ERR: speciy at least one action", file=sys.stderr)
    sys.exit(1)

trees = args

for tree in trees:
    checkdir(tree)

ftpio.connect('gen-indexes')

locked = []

for tree in trees:
    if ftpio.lock(tree, True):
        locked.append(tree)
    else:
        print("ERR: %s tree already locked" % tree, file=sys.stderr)
        for i in locked:
            ftpio.unlock(i)
        sys.exit(1)

home = os.environ['HOME']

os.umask(0o022)
os.nice(19)

if do_poldek:
    poldek = '%s.stat/bin/poldek-new --cachedir=%s/tmp/poldek --conf %s.stat/etc/poldek.conf --mkidxz' % (ftp_dir, home, ftp_dir)

    for tree in trees:
        print('\n-------------------------- %s --------------------------' % tree)
        for arch in all_ftp_archs:
            print('\ngenerate poldek index for %s' % arch)
            print('%s -s %s%s/%s/RPMS/ --mkidxz --mkidx-type pndir' % (poldek, ftp_dir, tree, arch))
            os.system('%s -s %s%s/%s/RPMS/ --mkidxz --mkidx-type pndir' % (poldek, ftp_dir, tree, arch))
            if arch != 'noarch' and config.separate_debuginfo:
                os.system('%s -s %s%s/%s/debuginfo/ --mkidxz --mkidx-type pndir' % (poldek, ftp_dir, tree, arch))

if do_yum:
    os.system('%s cd %s.stat/repodata && cvs %s up comps.xml' % ("" if quiet else "set -x;", ftp_dir, "" if quiet else "-Q"))
    yum = '%s.stat/bin/createrepo -d -v --update --checkts --skip-stat --workers=12 -g %s.stat/repodata/comps.xml' % (ftp_dir, ftp_dir)
    comps_file = '%s.stat/repodata/comps.xml' % ftp_dir
    for tree in trees:
        print('\n-------------------------- %s --------------------------' % tree)
        cachedir = '%s/tmp/createrepo/%s' % (home, tree)
        treedir = "%s%s" % (ftp_dir, tree)
        for arch in all_ftp_archs:
            print('\ngenerate repodata for %s using createrepo' % arch)
            archdir = "%s/%s" % (treedir, arch)
            poldek_idx = "%s/RPMS/packages.ndir.md" % archdir
            repodata_idx = "%s/RPMS/repodata/repomd.xml" % archdir
            if freshen and os.path.exists(poldek_idx) and os.path.exists(repodata_idx) \
                and not os.path.getmtime(comps_file) > os.path.getmtime(repodata_idx) \
                and not os.path.getmtime(poldek_idx) > os.path.getmtime(repodata_idx):
                print("repodata indexes already fresh")
                continue
            print('%s %s --cache %s-%s %s/RPMS' % ("" if quiet else "time", yum, cachedir, arch, archdir))
            os.system('%s %s --cache %s-%s %s/RPMS' % ("" if quiet else "time", yum, cachedir, arch, archdir))
            if arch != 'noarch' and config.separate_debuginfo:
                os.system('%s %s --cache %s-%s %s/debuginfo' % ("" if quiet else "time", yum, cachedir, arch, archdir))

if do_rpmrepo:
    os.system('%s cd %s.stat/repodata && cvs %s up comps.xml' % ("" if quiet else "set -x;", ftp_dir, "" if quiet else "-Q"))
    for tree in trees:
        print('\n-------------------------- %s --------------------------' % tree)
        for arch in all_ftp_archs:
            dir = '%s/%s/%s/RPMS' % (ftp_dir, tree, arch)
            if not quiet:
                print('\ngenerate repodata for %s using rpmrepo (in %s)' % (arch, dir))
            os.system('%s rpmrepo %s -o %s' % ("" if quiet else "set -x;", dir, dir))
            if not quiet:
                print('copy comps.xml')
            comps = '%s.stat/repodata/comps.xml' % ftp_dir
            os.system('%s cp -p %s %s/repodata' % ("" if quiet else "set -x;", comps, dir))

for tree in trees:
    ftpio.unlock(tree)