#!/usr/bin/env python3.6
#
# Copyright (C) 2018 The University of Sheffield, UK
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

import sqlite3
import sys

db_path = sys.argv[1]

with sqlite3.connect(db_path) as db:
    hit = 0
    miss = 0
    s = {}
    for (md5, library, path, typ) in db.execute("select md5, library, path, typ from cdnjs"):
        s[md5] = (library, path, typ)

    for (extid, date) in db.execute("select extid, max(date) as date from extension group by extid order by extid"):
        for (crx_etag,) in db.execute("select crx_etag from extension where extid=? and date=? order by crx_etag", (extid, date)):
            for (path, md5, typ, simhash) in db.execute("select path, md5, typ, simhash from crxfile where crx_etag=? and simhash is not null and path like '%.js' order by path, md5, typ", (crx_etag,)):
                for (size,) in db.execute("select size from libdet where md5=? and typ=? and size >= 1024 order by size", (md5, typ)):
                    if md5 in s:
                        hit += 1
                        # library, path, typ = s[md5]
                        # print("|".join((library, path, typ, extid, date, path, typ)))
                    else:
                        miss += 1
                        print("|".join((extid, date, path, typ)))

    print(f"Hit: {hit}")
    print(f"Miss: {miss}")