#!/usr/bin/env python
#
# Copyright (c) 2015-2019 Artur Meski
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#

from rs import *
from smt import *
import sys
import resource


def chain_reaction(print_system=False):
    if len(sys.argv) < 1 + 3:
        print("{source} <N> <M> <type>".format(source=sys.argv[0]))
        print()
        print("* N,M -- integers (scaling parameters)")
        print("* type:")
        print("  - 1 - RSC")
        print("  - 0 - RSC translated into RS")
        print()
        exit(1)

    chainLen = int(sys.argv[1])
    maxConc = int(sys.argv[2])  # depth (max concentration)

    verify_rsc = bool(int(sys.argv[3]))

    if chainLen < 1 or maxConc < 1:
        print("be reasonable")
        exit(1)

    r = ReactionSystemWithConcentrations()
    r.add_bg_set_entity(("inc", 1))
    r.add_bg_set_entity(("dec", 1))

    for i in range(1, chainLen + 1):
        r.add_bg_set_entity(("e_" + str(i), maxConc))

    for i in range(1, chainLen + 1):
        ent = "e_" + str(i)
        r.add_reaction_inc(ent, "inc", [(ent, 1)], [(ent, maxConc)])
        r.add_reaction_dec(ent, "dec", [(ent, 1)], [])
        if i < chainLen:
            r.add_reaction([(ent, maxConc)], [], [("e_" + str(i + 1), 1)])

    r.add_reaction(
        [("e_" + str(chainLen), maxConc)],
        [("dec", 1)],
        [("e_" + str(chainLen), maxConc)],
    )

    c = ContextAutomatonWithConcentrations(r)
    c.add_init_state("init")
    c.add_state("working")
    c.add_transition("init", [("e_1", 1), ("inc", 1)], "working")
    c.add_transition("working", [("inc", 1)], "working")

    rc = ReactionSystemWithAutomaton(r, c)

    if print_system:
        rc.show()

    if verify_rsc:
        smt_rsc = SmtCheckerRSC(rc)
        prop = [("e_" + str(chainLen), maxConc)]
        smt_rsc.check_reachability((prop, []), max_level=maxConc * chainLen + 10)

    else:
        orc = rc.get_ordinary_reaction_system_with_automaton()
        if print_system:
            print("\nTranslated:")
            orc.show()
        smt_tr_rs = SmtCheckerRS(orc)
        smt_tr_rs.check_reachability(["e_" + str(chainLen) + "#" + str(maxConc)])

    time = 0
    mem_usage = resource.getrusage(resource.RUSAGE_SELF).ru_maxrss / (1024 * 1024)
    if verify_rsc:
        filename_t = "bench_rsc_time.log"
        filename_m = "bench_rsc_mem.log"
        time = smt_rsc.get_verification_time()
    else:
        filename_t = "bench_tr_rs_time.log"
        filename_m = "bench_tr_rs_mem.log"
        time = smt_tr_rs.get_verification_time()

    f = open(filename_t, "a")
    log_str = "(" + str(chainLen) + "," + str(maxConc) + "," + str(time) + ")\n"
    f.write(log_str)
    f.close()

    f = open(filename_m, "a")
    log_str = "(" + str(chainLen) + "," + str(maxConc) + "," + str(mem_usage) + ")\n"
    f.write(log_str)
    f.close()


def main():
    chain_reaction()


if __name__ == "__main__":
    main()

# EOF