import otime
import asyncio
from js import document, FileReader
from pyodide import create_proxy
import xml.etree.ElementTree as ET

global event
event = otime.Event(0, 'PlaceHolder')

async def process_conf(f_event):
    global event
    file_list = f_event.target.files.to_py()
    for f in file_list:
        data = await f.text()
        document.getElementById('tt-cnf-cnt').innerHTML = data
        event.import_ttime_cnf(data)

    for c in event.o_classes:
        print(c.name, c.course.name)

async def process_db(f_event):
    global event
    file_list = f_event.target.files.to_py()
    for f in file_list:
        data = await f.text()
        document.getElementById('tt-db-cnt').innerHTML = data
        event.import_ttime_db(data)


async def process_mtr(f_event):
    global event
    file_list = f_event.target.files.to_py()
    for f in file_list:
        data = await f.text()
        document.getElementById('mtr-cnt').innerHTML = data
        event.import_mtr_file(data)

async def create_xml(f_event):
    global event

    event.match_all()

    xml_res = ET.tostring(event.get_xml_res().getroot(), encoding='unicode', method='xml', xml_declaration=True)
    #xml_res = dir(event.get_xml_res())
    document.getElementById('xml-cnt').innerHTML = xml_res.replace('&', '&amp').replace('<', '&lt').replace('>', '&gt')

def main():
    global event
    # Create a Python proxy for the callback function
    # process_file() is your function to process events from FileReader

    cnf_f_event = create_proxy(process_conf)
    ec = document.getElementById("tt-cnf")
    ec.addEventListener("change", cnf_f_event, False)

    db_f_event = create_proxy(process_db)
    ed = document.getElementById("tt-db")
    ed.addEventListener("change", db_f_event, False)

    mtr_f_event = create_proxy(process_mtr)
    em = document.getElementById("mtr")
    em.addEventListener("change", mtr_f_event, False)

    xml_btn_call = create_proxy(create_xml)
    eb = document.getElementById("xml-btn")
    eb.addEventListener("click", xml_btn_call, False)