#!/usr/bin/env python3
''' Python generator for MATSim plans. '''

import sys
import lxml.etree as etree
import numpy as np
import plan_gen.plan_gen as pg

# TODO: make these constants as user params
D_RADIUS = [10, 5]
D_CENTERS = [(10, 5), (5,5)]

if __name__ == '__main__':

    # command line arguments
    if len(sys.argv) != 2:
        print('usage:', sys.argv[0], '<params>')
        sys.exit(-1)
    DICT_PARAMS = pg.parse_params(sys.argv[1])

    NB_CLUSTERS = DICT_PARAMS['nc']
    NB_PERSONS = DICT_PARAMS['np']
    INPUT_NETWORK = DICT_PARAMS['nw']

    # prepare data
    NODES = pg.get_nodes(INPUT_NETWORK)
    CLUSTERS = pg.make_clusters(NB_CLUSTERS, NODES)
    H_DENSITIES = pg.make_densities(NB_CLUSTERS, D_CENTERS, D_RADIUS)
    W_DENSITIES = pg.make_densities(NB_CLUSTERS)

    # make xml
    PERSONS = [pg.rand_person(NODES, CLUSTERS, H_DENSITIES, W_DENSITIES) for _ in range(NB_PERSONS)]
    PLANS = pg.make_plans(PERSONS)

    # print XML
    print('<?xml version="1.0" ?>')
    print('<!DOCTYPE plans SYSTEM "http://www.matsim.org/files/dtd/plans_v4.dtd">')
    print(etree.tostring(PLANS, pretty_print=True).decode('utf-8'))