#!/usr/bin/env python3

# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# Use this script to check the latest version of the external libraries

import requests
import sys
import re
from packaging.version import Version, parse
import subprocess
import argparse

branches = {}

libraryBranches = [
    "python", "postgres", "openssl",
    "mariadb-connector-c", "rhino",
    "firebird"
]

libraryIds = {
    "openssl": 2,
    "curl": 1,
    "libpng": 4,
    "freetype": 2,
    "lcms2": 1,
    "cairo": 1,
    "bzip2": 1,
    "zlib": 1,
    "libwebp": 1,
    "libffi": 1,
    "xz": 1,
    "zstd": 1,
    "brotli": 1
}

libraryNames = {
    "boost": "boost",
    "java-websocket": "java-websocket",
    "phc-winner-argon2": "argon2",
    "libe-book": "libe-book",
    "zxcvbn-c": "zxcvbn-c",
    "libjpeg-turbo": "libjpeg-turbo",
    "poppler-data": "poppler-data",
    "libgpg-error": "libgpg-error",
    "mariadb-connector-c": "mariadb-connector-c",
    "tiff": "libtiff",
    "zxing": "zxing-cpp",
    "liborcus": "orcus",
    "ltm": "libtommath",
    "clucene-core": "clucene-core",
    "hsqldb": "hsqldb",
    "y-crdt": "y-crdt",
    "sqlite": "sqlite",
    "reemkufi": "aliftype-reem-kufi-fonts",
    "culmus": "culmus-fonts",
    "quickjs": "quickjs-ng",
}

def get_current_version(libName):
    if "sqlite" in libName:
        # 3XXYYZZ -> 3.X.Y.Z
        s = re.search(r"(\d{7})", libName)
        if s:
            num = str(s.group(1))
            return parse("{}.{}.{}.{}".format(num[0], num[1:3], num[3:5], num[6:7]))
    else:
        libraryName = libName.replace("_", ".")
        libraryName = re.sub("[0-9a-f]{5,40}", "", libraryName) #SHA1
        s = re.search(r"\d[\d\.]+\d", libraryName )
        if s:
            return parse(s.group())

    return Version("0.0.0")

def get_library_list(fileName):
    inputProcess = "include " + fileName + "\nall:\n\t$(foreach v,$(sort $(filter %TARBALL,$(.VARIABLES))),$(info export $(v)=$($(v))))"
    process = subprocess.run(["make", "-q", "-f", "-"], input=bytes(inputProcess, 'UTF-8'), stdout=subprocess.PIPE)

    libraryList = []
    for lib in process.stdout.splitlines():
        decodedName = lib.decode("utf-8")
        variableName = decodedName.split("=")[0]

        if "JFREEREPORT_" in variableName:
            continue

        if "FONT_" in variableName and "REEM" not in variableName and "NOTO" not in variableName and \
                "CULMUS" not in variableName:
            continue

        libraryName = decodedName.split("=")[1]
        for libraryBranch in libraryBranches:
            if libraryName.lower().startswith(libraryBranch):
                if libraryBranch == "postgres":
                    branch = ''.join(re.findall(r"\d{1,2}", libraryName)[0])
                else:
                    branch = ''.join(re.findall(r"\d{1,2}\.\d{1,2}", libraryName)[0])
                branches[libraryBranch] = branch
                print(libraryBranch + " is on branch: " + str(branch))
                break
        libraryList.append(libraryName.lower())
    return libraryList

def get_language_subtag_registry(libName):
    url = "https://www.iana.org/assignments/language-subtag-registry/language-subtag-registry"
    pattern = r"\d{4}-\d{2}-\d{2}"
    currentVersion = re.search(pattern, libName).group(0).replace("-", ".")
    res = requests.get(url)
    if res.status_code != 200:
        return Version("0.0.0"), "", Version("0.0.0")
    latestVersion = re.search(pattern, next(res.iter_lines()).decode("utf-8")).group(0).replace("-", ".")

    return Version(latestVersion), url, Version(currentVersion)

def get_latest_version(libNameOrig):
    libName = libNameOrig
    bFound = False
    for k,v in libraryNames.items():
        if k in libName:
            libName = v
            bFound = True
            break

    if not bFound:
        if libName.startswith("postgresql"):
            libName = "postgresql%20" + str(branches["postgres"]) + ".x"
        if libName.startswith("noto"):
            libName = "notofonts"
        elif re.match("[0-9a-f]{5,40}", libName.split("-")[0]): # SHA1
            libName = libName.split("-")[1]
        else:
            libName = libName.split("-")[0]

    item = 0
    latest_version = 0

    if libName in libraryIds:
        item = libraryIds[libName]

    urlApi = "https://release-monitoring.org/api/v2/projects/?name=" + libName
    res = requests.get(urlApi)
    json = res.json()
    if not json['items']:
        return Version("0.0.0"), ""

    for k,v in branches.items():
        bFound = False
        if libName == k:
            for idx, ver in enumerate(json['items'][item]['stable_versions']):
                if ver.startswith(v):
                    latest_version = idx
                    bFound = True
                    break
        if bFound:
            break

    if libName == "notofonts":
        fontName = libNameOrig.split("-")[0]
        for i in range(len(json['items'])):
            for idx, ver in enumerate(json['items'][i]['stable_versions']):
                if ver.lower().startswith(fontName + "-"):
                    return Version(ver.split("-")[1]), json['items'][item]['homepage']

    return Version(json['items'][item]['stable_versions'][latest_version].replace("_", ".").replace("-", ".")), json['items'][item]['homepage']

if __name__ == '__main__':
    parser = argparse.ArgumentParser()

    parser.add_argument('--file', action="store", dest="file", required=True)

    args = parser.parse_args()

    libraryList = get_library_list(args.file)
    if not libraryList:
        sys.exit(1)

    for lib in libraryList:
        if lib.startswith("language-subtag-registry"):
            latestVersion, website, currentVersion = get_language_subtag_registry(lib)
        else:
            latestVersion, website = get_latest_version(lib)
            currentVersion = get_current_version(lib)
        if latestVersion == Version("0.0.0"):
            print("FAIL: " + lib + " not found in https://release-monitoring.org")
        elif currentVersion == Version("0.0.0"):
            print("FAIL: " + lib + " version not detected")
        elif currentVersion != latestVersion:
            print(lib + " is not updated: " + website)
            print(" ----> The current version is " + str(currentVersion))
            print(" ----> The latest version is " + str(latestVersion))