"""
Creates a schedule.json from the Hackertours planning Excel.
"""
import math
import sys
from datetime import datetime, timedelta, timezone

import pandas
import pytz
from numpy import nan

import voc.tools
from voc.schedule import Schedule, Event


def create_schedule(sheet_file: str, schedule_file: str):
    # global voc.tools.VERSION
    voc.tools.VERSION = "0.0.1"

    planning_df = pandas.read_excel(sheet_file, sheet_name="Tours")
    description_df = pandas.read_excel(sheet_file, sheet_name="Descriptions")

    descriptions = {}
    for index, row in description_df.iterrows():
        d = {}
        for k in description_df.keys():
            d[k] = description_df[k][index]
        descriptions[d['Name']] = d

    start = datetime(year=2025, month=12, day=26, tzinfo=pytz.timezone('Europe/Berlin'))
    acronym = "ht"
    duration = 4

    schedule = Schedule.from_template(
        title="39C3 Hackertours",
        acronym="39c3ht",
        year=2025,
        month=12,
        day=26,
        days_count=5,
        tz="Europe/Berlin")
    # schedule.schedule().version = '1.0'
    schedule["conference"]["rooms"] = [{
        "name": "Hackertours",
        "guid": "aa56c6c6-7dbc-4f73-b189-b8ee2245b0c3",
    }]

    # Remove reporting rows
    for index, row in planning_df.iterrows():
        name = row['Tour']
        if isinstance(name, float) and math.isnan(name):
            planning_df.drop(index=range(index, len(planning_df)), inplace=True)
            break

    # Sort to make stable
    planning_df.sort_values(by=['Tag', 'Am HT-Desk', 'Tour'], inplace=True)

    # in the Excel, days start at 0; the event here starts on the 26th. Normally, we would convert the 1-based day to a 0-ased offset from the start day, but here, it's 0-based
    for index, row in planning_df.iterrows():
        name = row['Tour']
        if isinstance(name, float) and math.isnan(name):
            break
        if name not in descriptions:
            continue
        start_time = row['Am HT-Desk']
        event_start = start + timedelta(days=row['Tag'])
        event_start = event_start.replace(hour=start_time.hour, minute=start_time.minute)
        event_duration = row['Dauer']
        print(f"name={name} day={row['Tag']} start={row['Am HT-Desk']} duration={row['Dauer']}")
        guid = voc.tools.gen_uuid('{}-{}-{}'.format(row['Tag'], row['Am HT-Desk'], name))
        start_time_hm = event_start.strftime('%H:%M')

        if row['Sprache'] == "de":
            title = descriptions[name]['Title DE']
            subtitle = descriptions[name]['Subtitle DE']
            abstract = descriptions[name]['Abstract DE']
        else:
            title = descriptions[name]['Title EN']
            subtitle = descriptions[name]['Subtitle EN']
            abstract = descriptions[name]['Abstract EN']

        schedule.add_event(Event({
            'id': index+1,
            'guid': guid,
            # ('logo', None,
            'date': event_start.isoformat(),
            'start': start_time_hm,
            'duration': event_duration.strftime("%H:%M"),
            'room': "Hackertours",
            'slug': voc.tools.normalise_string(f"{name}-{int(row['Tag'])}-{start_time_hm}".lower()),
            'url': descriptions[name]['Link'],
            'title': title,
            'subtitle': subtitle,
            'track': "Hackertours",
            'type': "Tour",
            'language': row['Sprache'],
            'abstract': abstract,
            'description': None,
            'persons': [],
            'links': [
                {
                    'url': descriptions[name]['Link'],
                    'title': title
                }
            ]
        }))

    schedule.export(schedule_file)


if __name__ == "__main__":
    create_schedule(sys.argv[1], sys.argv[2])