#!/usr/bin/env python3
#
# Copyright (C) 2020 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

import subprocess
import datetime
import sys


def print_e(*args, **kwargs):
    print(*args, file=sys.stderr, **kwargs)


def getJetpadReleaseInfo(date):
    try:
        rawJetpadReleaseOutput = subprocess.check_output('span sql /span/global/androidx-jetpad:prod_instance \"SELECT GroupId, ArtifactId, ReleaseVersion, PreviousReleaseSHA, ReleaseSHA, Path, RequireSameVersionGroupBuild, ReleaseBuildId, ReleaseBranch FROM LibraryReleases WHERE ReleaseDate = %s\"' % date, shell=True)
    except subprocess.CalledProcessError:
        print_e("FAIL: Failed to get jetpad release info for  %s. "
                "This likely means you need to run gcert." %  date)
        return None
    rawJetpadReleaseOutputLines = rawJetpadReleaseOutput.splitlines()
    if len(rawJetpadReleaseOutputLines) <= 2:
        print_e("Error: Date %s returned zero results from Jetpad.  Please check your date" % date)
        return None
    jetpadReleaseOutput = iter(rawJetpadReleaseOutputLines)
    return jetpadReleaseOutput

def getReleaseInfoObject(date, includeAllCommits, jetpadReleaseInfo):
    releaseDateTime = datetime.datetime.fromtimestamp(float(date)/1000.0)
    releaseJsonObject = {}
    releaseJsonObject["releaseDate"] = "%02d-%02d-%s" % (releaseDateTime.month, releaseDateTime.day, releaseDateTime.year)
    releaseJsonObject["includeAllCommits"] = includeAllCommits
    releaseJsonObject["modules"] = {}
    for line in jetpadReleaseInfo:
        if "androidx" not in line.decode(): continue
        # Remove all white space and split line based on '|'
        artifactIdReleaseLine = line.decode().replace(" ", "").split('|')
        groupId = artifactIdReleaseLine[1]
        artifactId = artifactIdReleaseLine[2]
        version = artifactIdReleaseLine[3]
        fromSHA = artifactIdReleaseLine[4]
        untilSHA = artifactIdReleaseLine[5]
        path = artifactIdReleaseLine[6]
        if path and path[0] == '/': path = path[1:]
        requiresSameVersion = False
        if artifactIdReleaseLine[7] == "true":
            requiresSameVersion = True
        buildId = artifactIdReleaseLine[8]
        branch = artifactIdReleaseLine[9]
        if groupId in releaseJsonObject["modules"]:
            releaseJsonObject["modules"][groupId].append({
                "groupId": groupId,
                "artifactId": artifactId,
                "version": version,
                "fromSHA": fromSHA,
                "untilSHA": untilSHA,
                "requiresSameVersion": requiresSameVersion,
                "path": path,
                "buildId": buildId,
                "branch": branch,
            })
        else:
            releaseJsonObject["modules"][groupId] = [{
                "groupId": groupId,
                "artifactId": artifactId,
                "version": version,
                "fromSHA": fromSHA,
                "untilSHA": untilSHA,
                "requiresSameVersion": requiresSameVersion,
                "path": path,
                "buildId": buildId,
                "branch": branch,
            }]
    return releaseJsonObject

def getJetpadRelease(date, includeAllCommits):
    print("Getting the release info from Jetpad...")
    jetpadReleaseInfo = getJetpadReleaseInfo(date)
    if not jetpadReleaseInfo:
        exit(1)
    print("Successful")
    return getReleaseInfoObject(date, includeAllCommits, jetpadReleaseInfo)