# Copyright 2018-2019 Florian Fischer <florian.fl.fischer@fau.de>
#
# This file is part of allocbench.
#
# allocbench 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.
#
# allocbench 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 allocbench.  If not, see <http://www.gnu.org/licenses/>.

"""Definition of the RAxML-ng benchmark"""

import os
import re
import subprocess
import sys
from urllib.request import urlretrieve

from src.artifact import GitArtifact
from src.benchmark import Benchmark
from src.util import print_info


RUNTIME_RE = re.compile("Elapsed time: (?P<runtime>(\\d*.\\d*)) seconds")


class BenchmarkRaxmlng(Benchmark):
    """RAxML-ng benchmark
    """

    def __init__(self):
        name = "raxmlng"

        super().__init__(name)
        
        self.cmd = (f"raxml-ng --msa {self.build_dir}/data/prim.phy --model GTR+G"
                    " --redo --threads 2 --seed 2")

    def prepare(self):
        super().prepare()

        if os.path.exists(self.build_dir):
            return

        raxmlng_sources = GitArtifact("raxml-ng", "https://github.com/amkozlov/raxml-ng")
        raxmlng_version = "0.9.0"
        raxmlng_dir = os.path.join(self.build_dir, "raxml-ng-git")
        raxmlng_builddir = os.path.join(raxmlng_dir, "build")
        self.results["facts"]["versions"]["raxml-ng"] = raxmlng_version
        raxmlng_sources.provide(raxmlng_version, raxmlng_dir)
            
        # Create builddir
        os.makedirs(raxmlng_builddir, exist_ok=True)

        # building raxml-ng
        proc = subprocess.run(["cmake", ".."],
                              cwd=raxmlng_builddir,
                              # stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                              universal_newlines=True)

        proc = subprocess.run(["make"],
                              cwd=raxmlng_builddir,
                              # stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                              universal_newlines=True)

        # create symlinks
        for exe in ["raxml-ng"]:
            src = os.path.join(raxmlng_dir, "bin", exe)
            dest = os.path.join(self.build_dir,exe)
            os.link(src, dest)

        raxmlng_data = GitArtifact("raxml-ng-data", "https://github.com/amkozlov/ng-tutorial")
        raxmlng_data_dir = os.path.join(self.build_dir, "data")
        raxmlng_data.provide("f8f0b6a057a11397b4dad308440746e3436db8b4", raxmlng_data_dir)

    def cleanup(self):
        for direntry in os.listdir():
            if direntry.startswith("prim.raxml"):
                os.remove(direntry)

    @staticmethod
    def process_output(result, stdout, stderr, allocator, perm):
        result["runtime"] = RUNTIME_RE.search(stdout).group("runtime")

    def summary(self):
        self.barplot_single_arg("{runtime}",
                                ylabel='"runtime in s"',
                                title='"raxml-ng tree inference benchmark"',
                                filepostfix="runtime")

        self.export_stats_to_dataref("runtime")

        self.barplot_single_arg("{VmHWM}",
                                ylabel='"VmHWM in KB"',
                                title='"raxml-ng memusage"',
                                filepostfix="memusage")

        self.export_stats_to_dataref("VmHWM")


raxmlng = BenchmarkRaxmlng()