"""

    Test configuration descriptions for mira.

"""

import os

from os import path

from glob import glob

import subprocess

from datetime import datetime

import re

import util

from util import Lazy

from mira.report import Report, Report_Content

from mira.case import Case

from mira.tools import tool

from mira import schedule

from mira.environment import scheduler

# build and evaluation tools

def prepare_isabelle_repository(loc_isabelle, loc_contrib, loc_dependency_heaps, parallelism = True, more_settings=''):

    loc_contrib = path.expanduser(loc_contrib)

    if not path.exists(loc_contrib):

        raise IOError('Bad file: %s' % loc_contrib)

    subprocess.check_call(['ln', '-s', loc_contrib, '%s/contrib' % loc_isabelle])

    contributed_components = path.join(loc_isabelle, 'Admin', 'contributed_components')

    if path.exists(contributed_components):

        components = []

        for component in util.readfile_lines(contributed_components):

            loc_component = path.join(loc_isabelle, component)

            if path.exists(loc_component):

                components.append(loc_component)

        writer = open(path.join(loc_isabelle, 'etc', 'components'), 'a')

        for component in components:

            writer.write(component + '\n')

        writer.close()

    if loc_dependency_heaps:

        isabelle_path = loc_dependency_heaps + '/$ISABELLE_IDENTIFIER:$ISABELLE_OUTPUT'

    else:

        isabelle_path = '$ISABELLE_OUTPUT'

    if parallelism:

        parallelism_options = '-M max'

    else:

        parallelism_options = '-M 1 -q 0'

    extra_settings = '''

ISABELLE_HOME_USER="$ISABELLE_HOME/home_user"

ISABELLE_OUTPUT="$ISABELLE_HOME/heaps"

ISABELLE_BROWSER_INFO="$ISABELLE_HOME/browser_info"

ISABELLE_PATH="%s"

ISABELLE_USEDIR_OPTIONS="$ISABELLE_USEDIR_OPTIONS %s -t true -v true -d pdf -g true -i true"

Z3_NON_COMMERCIAL="yes"

%s

''' % (isabelle_path, parallelism_options, more_settings)

    writer = open(path.join(loc_isabelle, 'etc', 'settings'), 'a')

    writer.write(extra_settings)

    writer.close()

def extract_isabelle_run_timing(logdata):

    def to_secs(h, m, s):

        return (int(h) * 60 + int(m)) * 60 + int(s)

    pat = r'Finished (\S+) \((\d+):(\d+):(\d+) elapsed time, (\d+):(\d+):(\d+) cpu time'

    pat2 = r'Timing (\S+) \((\d+) threads, (\d+\.\d+)s elapsed time, (\d+\.\d+)s cpu time, (\d+\.\d+)s GC time, factor (\d+\.\d+)\)'

    t = dict((name, {'elapsed': to_secs(eh,em,es), 'cpu': to_secs(ch,cm,cs)})

             for name, eh, em, es, ch, cm, cs in re.findall(pat, logdata))

    for name, threads, elapsed, cpu, gc, factor in re.findall(pat2, logdata):

        if name not in t:

            t[name] = {}

        t[name]['threads'] = int(threads)

        t[name]['elapsed_inner'] = elapsed

        t[name]['cpu_inner'] = cpu

        t[name]['gc'] = gc

        t[name]['factor'] = factor

    return t

def extract_isabelle_run_summary(logdata):

    re_error = re.compile(r'^(?:make: )?\*\*\* (.*)$', re.MULTILINE)

    summary = '\n'.join(re_error.findall(logdata))

    if summary == '':

        summary = 'ok'

    return summary

@tool

def import_isatest_log(env, conf, logfile):

    """Imports isatest log file as a report."""

    def the_match(pat, text, name):

        match = re.search(pat, text)

        if not match: raise Exception('No match found for ' + name)

        return match.groups()

    def parse_date(d):

        return datetime.strptime(d, '%a %b %d %H:%M:%S %Z %Y')

    log = util.readfile(logfile)

    (begin_date, host) = the_match(r'-+ starting test -+ ([^-]*) -+ (\S*)', log, 'start tag')

    (isabelle_version,) = the_match(r'Isabelle version: ([a-f0-9]{12})', log, 'Isabelle version')

    (success, end_date) = the_match(r'-+ test (successful|FAILED) -+ ([^-]*) -', log, 'end tag')

    summary = extract_isabelle_run_summary(log)

    data = {'timing': extract_isabelle_run_timing(log)}

    atts = {'log': Lazy.simple(log)}

    content = Report_Content(summary, host, parse_date(begin_date),

      parse_date(end_date), Lazy.simple(data), atts)

    revision = ('Isabelle', env.repositories.get('Isabelle')[isabelle_version].hex())

    case = Case(conf, [revision])

    env.report_db.put(case, (success == 'successful'), content)

def isabelle_usedir(env, isa_path, isabelle_usedir_opts, base_image, dir_name):

    return env.run_process('%s/bin/isabelle' % isa_path, 'usedir',

        isabelle_usedir_opts, base_image, dir_name)

def isabelle_dependency_only(env, case, paths, dep_paths, playground):

    isabelle_home = paths[0]

    result = path.join(isabelle_home, 'heaps')

    os.makedirs(result)

    for dep_path in dep_paths:

        subprocess.check_call(['cp', '-R'] + glob(dep_path + '/*') + [result])

    return (True, 'ok', {}, {}, result)

def build_isabelle_image(subdir, base, img, env, case, paths, dep_paths, playground, more_settings=''):

    isabelle_home = paths[0]

    dep_path = dep_paths[0]

    prepare_isabelle_repository(isabelle_home, env.settings.contrib, dep_path, more_settings=more_settings)

    os.chdir(path.join(isabelle_home, 'src', subdir))

    (return_code, log) = isabelle_usedir(env, isabelle_home, '-b', base, img)

    result = path.join(isabelle_home, 'heaps')

    return (return_code == 0, extract_isabelle_run_summary(log),

      {'timing': extract_isabelle_run_timing(log)}, {'log': log}, result)

def isabelle_make(subdir, env, case, paths, dep_paths, playground, more_settings='', target='all', keep_results=False):

    isabelle_home = paths[0]

    dep_path = dep_paths[0] if dep_paths else None

    prepare_isabelle_repository(isabelle_home, env.settings.contrib, dep_path, more_settings=more_settings)

    os.chdir(path.join(isabelle_home, subdir))

    (return_code, log) = env.run_process('%s/bin/isabelle' % isabelle_home, 'make', '-k', target)

    result = path.join(isabelle_home, 'heaps') if keep_results else None

    return (return_code == 0, extract_isabelle_run_summary(log),

      {'timing': extract_isabelle_run_timing(log)}, {'log': log}, result)

def isabelle_makeall(env, case, paths, dep_paths, playground, more_settings='', target='all', make_options=()):

    isabelle_home = paths[0]

    dep_path = dep_paths[0] if dep_paths else None

    prepare_isabelle_repository(isabelle_home, env.settings.contrib, dep_path, more_settings=more_settings)

    os.chdir(isabelle_home)

    (return_code, log) = env.run_process('%s/bin/isabelle' % isabelle_home, 'makeall', '-k', *(make_options + (target,)))

    return (return_code == 0, extract_isabelle_run_summary(log),

      {'timing': extract_isabelle_run_timing(log)}, {'log': log}, None)

# Isabelle configurations

@configuration(repos = [Isabelle], deps = [])

def Pure(env, case, paths, dep_paths, playground):

    """Pure image"""

    isabelle_home = paths[0]

    prepare_isabelle_repository(isabelle_home, env.settings.contrib, '')

    os.chdir(path.join(isabelle_home, 'src', 'Pure'))

    (return_code, log) = env.run_process('%s/bin/isabelle' % isabelle_home, 'make', 'Pure')

    result = path.join(isabelle_home, 'heaps')

    return (return_code == 0, extract_isabelle_run_summary(log),

      {'timing': extract_isabelle_run_timing(log)}, {'log': log}, result)

@configuration(repos = [Isabelle], deps = [(Pure, [0])])

def FOL(*args):

    """FOL image"""

    return build_isabelle_image('FOL', 'Pure', 'FOL', *args)

@configuration(repos = [Isabelle], deps = [(Pure, [0])])

def HOL(*args):

    """HOL image"""

    return build_isabelle_image('HOL', 'Pure', 'HOL', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def HOL_HOLCF(*args):

    """HOL-HOLCF image"""

    return build_isabelle_image('HOL/HOLCF', 'HOL', 'HOLCF', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def HOL_Nominal(*args):

    """HOL-Nominal image"""

    return build_isabelle_image('HOL/Nominal', 'HOL', 'HOL-Nominal', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def HOL_Word(*args):

    """HOL-Word image"""

    return build_isabelle_image('HOL/Word', 'HOL', 'HOL-Word', *args)

@configuration(repos = [Isabelle], deps = [

    (HOL, [0]),

    (HOL_HOLCF, [0]),

    (HOL_Nominal, [0]),

    (HOL_Word, [0])

  ])

def AFP_images(*args):

    """Isabelle images needed for the AFP"""

    return isabelle_dependency_only(*args)

@configuration(repos = [Isabelle], deps = [

    (AFP_images, [0])

  ])

def Isabelle_makeall(*args):

    """Isabelle makeall"""

    return isabelle_makeall(*args)

# Mutabelle configurations

def invoke_mutabelle(theory, env, case, paths, dep_paths, playground):

    """Mutant testing for counterexample generators in Isabelle"""

    (loc_isabelle,) = paths

    (dep_isabelle,) = dep_paths

    prepare_isabelle_repository(loc_isabelle, env.settings.contrib, dep_isabelle)

    os.chdir(loc_isabelle)

    (return_code, log) = env.run_process('bin/isabelle',

      'mutabelle', '-O', playground, theory)

    try:

        mutabelle_log = util.readfile(path.join(playground, 'log'))

    except IOError:

        mutabelle_log = ''

    return (return_code == 0 and mutabelle_log != '', extract_isabelle_run_summary(log),

      {'timing': extract_isabelle_run_timing(log)},

      {'log': log, 'mutabelle_log': mutabelle_log}, None)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def Mutabelle_Relation(*args):

    """Mutabelle regression suite on Relation theory"""

    return invoke_mutabelle('Relation', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def Mutabelle_List(*args):

    """Mutabelle regression suite on List theory"""

    return invoke_mutabelle('List', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def Mutabelle_Set(*args):

    """Mutabelle regression suite on Set theory"""

    return invoke_mutabelle('Set', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def Mutabelle_Map(*args):

    """Mutabelle regression suite on Map theory"""

    return invoke_mutabelle('Map', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def Mutabelle_Divides(*args):

    """Mutabelle regression suite on Divides theory"""

    return invoke_mutabelle('Divides', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def Mutabelle_MacLaurin(*args):

    """Mutabelle regression suite on MacLaurin theory"""

    return invoke_mutabelle('MacLaurin', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def Mutabelle_Fun(*args):

    """Mutabelle regression suite on Fun theory"""

    return invoke_mutabelle('Fun', *args)

mutabelle_confs = 'Mutabelle_Relation Mutabelle_List Mutabelle_Set Mutabelle_Map Mutabelle_Divides Mutabelle_MacLaurin Mutabelle_Fun'.split(' ')

@scheduler()

def mutabelle_scheduler(env):

    """Scheduler for Mutabelle."""

    return schedule.age_scheduler(env, 'Isabelle', mutabelle_confs)

# Judgement Day configurations

judgement_day_provers = ('e', 'spass', 'vampire', 'z3', 'cvc3', 'yices')

def judgement_day(base_path, theory, opts, env, case, paths, dep_paths, playground):

    """Judgement Day regression suite"""

    isa = paths[0]

    dep_path = dep_paths[0]

    os.chdir(path.join(playground, '..', base_path)) # Mirabelle requires specific cwd

    prepare_isabelle_repository(isa, env.settings.contrib, dep_path)

    output = {}

    success_rates = {}

    some_success = False

    for atp in judgement_day_provers:

        log_dir = path.join(playground, 'mirabelle_log_' + atp)

        os.makedirs(log_dir)

        cmd = ('%s/bin/isabelle mirabelle -q -O %s sledgehammer[prover=%s,%s] %s.thy'

               % (isa, log_dir, atp, opts, theory))

        os.system(cmd)

        output[atp] = util.readfile(path.join(log_dir, theory + '.log'))

        percentages = list(re.findall(r'Success rate: (\d+)%', output[atp]))

        if len(percentages) == 2:

            success_rates[atp] = {

                'sledgehammer': int(percentages[0]),

                'metis': int(percentages[1])}

            if success_rates[atp]['sledgehammer'] > 0:

                some_success = True

        else:

            success_rates[atp] = {}

    data = {'success_rates': success_rates}

    raw_attachments = dict((atp + "_output", output[atp]) for atp in judgement_day_provers)

    # FIXME: summary?

    return (some_success, '', data, raw_attachments, None)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def JD_NS(*args):

    """Judgement Day regression suite NS"""

    return judgement_day('Isabelle/src/HOL/Auth', 'NS_Shared', 'prover_timeout=10', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def JD_FTA(*args):

    """Judgement Day regression suite FTA"""

    return judgement_day('Isabelle/src/HOL/Library', 'Fundamental_Theorem_Algebra', 'prover_timeout=10', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def JD_Hoare(*args):

    """Judgement Day regression suite Hoare"""

    return judgement_day('Isabelle/src/HOL/IMPP', 'Hoare', 'prover_timeout=10', *args)

@configuration(repos = [Isabelle], deps = [(HOL, [0])])

def JD_SN(*args):

    """Judgement Day regression suite SN"""

    return judgement_day('Isabelle/src/HOL/Proofs/Lambda', 'StrongNorm', 'prover_timeout=10', *args)

JD_confs = 'JD_NS JD_FTA JD_Hoare JD_SN JD_Arrow JD_FFT JD_Jinja JD_QE JD_S2S'.split(' ')

@scheduler()

def judgement_day_scheduler(env):

    """Scheduler for Judgement Day."""

    return schedule.age_scheduler(env, 'Isabelle', JD_confs)

# SML/NJ

smlnj_settings = '''

ML_SYSTEM=smlnj

ML_HOME="/home/smlnj/110.72/bin"

ML_OPTIONS="@SMLdebug=/dev/null @SMLalloc=256"

ML_PLATFORM=$(eval $("$ML_HOME/.arch-n-opsys" 2>/dev/null); echo "$HEAP_SUFFIX")

'''

@configuration(repos = [Isabelle], deps = [])

def SML_HOL(*args):

    """HOL image built with SML/NJ"""

    return isabelle_make('src/HOL', *args, more_settings=smlnj_settings, target='HOL', keep_results=True)

@configuration(repos = [Isabelle], deps = [])

def SML_makeall(*args):

    """Makeall built with SML/NJ"""

    return isabelle_makeall(*args, more_settings=smlnj_settings, target='smlnj', make_options=('-j', '3'))