#! /bin/python3

import argparse
import glob
import os
import subprocess
import random

parser = argparse.ArgumentParser()
parser.add_argument('arch')
parser.add_argument('output_dir')
parser.add_argument('matrix_dir')
parser.add_argument('iterations', type=int)
parser.add_argument('baseline_time_s', type=int)
parser.add_argument('baseline_delay_s', type=int)
parser.add_argument('--perf', action='store_const', const='--perf')
parser.add_argument('--power', action='store_const', const='--power')
parser.add_argument('--distribute', action='store_true')
args = parser.parse_args()

srun_args_altra = [
        '--account', 'oasis',
        '--partition', 'oasis',
        '--qos', 'oasis-exempt',
        #'--cpus-per-task 160',
        '--cpus-per-task', '160',
        #'--mem 28114',
        '--mem', '16G',
        '--ntasks-per-node', '1'#,
        #'--exclusive',
        #'--output', '/dev/null',
        #'--error', '/dev/null'
        ]

def srun(srun_args_list: list, run_args, matrix_file: str) -> list:
    run_args_list = [
            args.arch,
            matrix_file,
            str(args.iterations),
            str(args.baseline_time_s),
            str(args.baseline_delay_s)]
    if args.perf is not None:
        run_args_list += [args.perf]
    if args.power is not None:
        run_args_list += [args.power]
    return ['srun'] + srun_args_list + ['./run.py'] + run_args_list

processes = list()

for i, matrix in enumerate(glob.glob(f'{args.matrix_dir.rstrip("/")}/*.mtx')):
    if args.arch == 'altra':
        if args.distribute:
            i = i % 40
            srun_args = srun_args_altra + ['--nodelist', f'oasis{i:02}']
        else:
            srun_args = srun_args_altra

        output_filename = '_'.join([
                args.arch,
                str(args.baseline_time_s),
                str(args.baseline_delay_s),
                os.path.splitext(os.path.basename(matrix))[0],
                str(args.iterations)])

        json_filepath = f'{args.output_dir.rstrip("/")}/{output_filename}.json'
        raw_filepath = f'{args.output_dir.rstrip("/")}/{output_filename}.output'
        with open(json_filepath, 'w') as json_file, open(raw_filepath, 'w') as raw_file:
            print(srun(srun_args, args, matrix))
            print(json_filepath)
            print(raw_filepath)

            processes.append(subprocess.Popen(
                    srun(srun_args_altra, args, matrix),
                    stdout=json_file,
                    stderr=raw_file))

for process in processes:
    process.wait()