import os
import importlib.util
from pm4py.algo.discovery.inductive import algorithm as inductive
from pm4py.objects.log.importer.xes import importer as xes_importer
from pm4py.algo.conformance.alignments.process_tree import algorithm as align_approx
from pm4py.objects.petri_net.utils.align_utils import pretty_print_alignments
from examples import examples_conf


def execute_script():
    log_path = os.path.join("..", "tests", "input_data", "running-example.xes")

    log = xes_importer.apply(log_path)
    tree = inductive.apply(log)

    if importlib.util.find_spec("graphviz"):
        from pm4py.visualization.process_tree import visualizer as pt_vis
        gviz = pt_vis.apply(tree, parameters={pt_vis.Variants.WO_DECORATION.value.Parameters.FORMAT: examples_conf.TARGET_IMG_FORMAT})
        pt_vis.view(gviz)

    print("start calculate approximated alignments")
    approx_alignments = align_approx.apply(log, tree)
    pretty_print_alignments(approx_alignments)


if __name__ == "__main__":
    execute_script()