# -*- coding: utf-8 -*-

#-------------------------------------------------------------------------
# drawElements Quality Program utilities
# --------------------------------------
#
# Copyright 2015 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 os
import sys
import shutil

from . common import *
from . config import *

def initBuildDir (config, generator):
    cfgArgs = []

    # Build base configuration args
    cfgArgs += config.getArgs()

    # Generator args
    cfgArgs += generator.getGenerateArgs(config.getBuildType())

    if not os.path.exists(config.buildDir):
        os.makedirs(config.buildDir)

    pushWorkingDir(config.getBuildDir())

    try:
        execute([config.getCMakePath(), config.getSrcPath()] + cfgArgs)
    finally:
        popWorkingDir()

def build (config, generator, targets = None):
    if os.path.exists(config.buildDir):
        try:
            initBuildDir(config, generator)
        except Exception as e:
            print(e)
            print("WARNING: Using existing build directory failed; re-creating build directory")
            shutil.rmtree(config.buildDir)
            initBuildDir(config, generator)
    else:
        initBuildDir(config, generator)

    baseCmd = [config.getCMakePath(), '--build', '.']
    buildArgs = generator.getBuildArgs(config.getBuildType())

    pushWorkingDir(config.getBuildDir())

    if targets == None:
        execute(baseCmd + buildArgs)
    else:
        for target in targets:
            execute(baseCmd + ['--target', target] + buildArgs)

    popWorkingDir()