from state.devstate import DevState
from bootstrap.scd import bootstrap_scd
from concrete_syntax.textual_od import renderer
from concrete_syntax.plantuml.renderer import render_class_diagram
from concrete_syntax.plantuml.make_url import make_url
from api.od import ODAPI

from transformation.topify.topify import Topifier
from transformation.merger import merge_models

from util import loader

from examples.semantics.operational.port import models

import os
THIS_DIR = os.path.dirname(__file__)

# get file contents as string
def read_file(filename):
    with open(THIS_DIR+'/'+filename) as file:
        return file.read()

if __name__ == "__main__":
    state = DevState()
    scd_mmm = bootstrap_scd(state)

    # Load Petri Net meta-models
    pn_mm_cs    =            read_file('../../petrinet/metamodels/mm_design.od')
    pn_mm_rt_cs = pn_mm_cs + read_file('../../petrinet/metamodels/mm_runtime.od')
    pn_mm    = loader.parse_and_check(state, pn_mm_cs,    scd_mmm, "Petri-Net Design meta-model")
    pn_mm_rt = loader.parse_and_check(state, pn_mm_rt_cs, scd_mmm, "Petri-Net Runtime meta-model")

    # Load Port meta-models
    port_mm    = loader.parse_and_check(state, models.port_mm_cs,    scd_mmm,    "Port-MM")
    port_mm_rt = loader.parse_and_check(state, models.port_rt_mm_cs, scd_mmm,    "Port-MM-RT")

    # Merge Petri Net and Port meta-models
    print("merging...")
    merged_mm_rt = merge_models(state, mm=scd_mmm, models=[pn_mm_rt, port_mm_rt])
    print("done merging")

    print()
    print("topifying... (may take a while)")
    topifier = Topifier(state)
    top_merged_mm_rt = topifier.topify_cd(merged_mm_rt)
    print("done topifying")

    plantuml_url = make_url(render_class_diagram(state, top_merged_mm_rt))

    print()
    print(plantuml_url)
    print()

    txt = renderer.render_od(state, top_merged_mm_rt, scd_mmm)

    filename = THIS_DIR+"/merged_mm.od"

    with open(filename, "w") as file:
        file.write(f"# Auto-generated by {__file__}.\n\n")
        file.write(f"# Merged run-time meta-models of 'Petri Net' and 'Port' formalisms.\n")
        file.write(f"# An abstract 'Top'-class (superclass of everything else), and a 'generic_link'-association (which can connect everything with everything) have also been added.\n\n")
        file.write(f"# PlantUML visualization: {plantuml_url}\n\n")
        file.write(txt)

    print("Wrote file", filename)