import uuid # For UUID creation
from initDb import initDb # For database initialization
from wisski.api import Api, Pathbuilder, Entity # For WissKI API
import os # For environment variable loading
from dotenv import load_dotenv # For environment variable loading
import pandas as pd # For dataframe handling

def importMentioned(api, engine):
    print('Importing mentioned...')

    test = False
    tableName = "c__7060_erwaehnt__datum_"
    bundleId = 'b04b1756b09ba3260de278824332ad6c'

    try:
        processedRows = pd.read_csv(f'./logs/{tableName}.csv')
    except FileNotFoundError:
        processedRows = pd.DataFrame(columns=[ 'id', 'uuid', 'uri'])

    # Load sources table
    sqlTable = pd.read_sql_table(tableName, con=engine)

    # Create entities
    for index, row in sqlTable.iterrows():
        # For every row in table...
        if index < len(processedRows) and sqlTable.loc[index, 'id'] == processedRows.loc[index, 'id']:
            # skip if already processed
            print(f'Skipping already processed entity {sqlTable.loc[index, "id"]}')
            continue
        # Create Entity property dicts
        entityValues = {}
        for key, value in row.items():
            # For every column in row...
            if (value is None) or (value == ''):
                #  skip if cell has no value
                continue
            # Properties of an entity have to be an array, so...
            value = str(value).replace('&###{{new_line}}###'.format(), '&')
            value = str(value).replace('###{{new_line}}###', '&')
            value = str(value).replace(' & ', '&')
            if '&' in str(value):
                # ...Explode "&"-separated values to array items
                value = [x.strip() for x in str(value).split('&')]
            else:
                # ...Or parse to array
                value = [value]
            # Map columns to fields. We use assignments for reification.
            docId = ''
            match key:
                case 'id':
                    docId = value[0]
                case 'f__uuid':
                    entityValues['fac8bbc9701f5da711a6a49beca1b3e4'] = value # UUID
                    fUuid = value[0]
                case 'f__410a_auftraggeber':
                    entityValues['f6b456466f45f72952a953bf169a47cc'] = value # Client
                case 'f__7060_erwaehnt__datum_':
                    entityValues['ffdae7d7aeb84467faebf5468fb8b94f'] = value # Date
                case 'f__7100_art_ereignis':
                    entityValues['fb462fbc544045fc244da8d490ed1cfc'] = value # Event type
                case 'f__70ls_lit__stelle':
                    entityValues['f11f8bc3fdbedc686430ef57edfcf620'] = value # Literature Reference
                case 'f__70lt_lit__kurztitel':
                    entityValues['f4ed2a340720f643bcc49ac9581b1181'] = value # Literature short title
                case 'f__34ms_bei_meister_':
                    entityValues['f9d8ac79df3eb667db8fb8b23e52a816'] = value # Master
                case 'f__70bm_bem_ereignis':
                    entityValues['f37dbed94d03576c91fff9c3c9026da5'] = value # Note
                case 'f__70qs_quelle_stelle':
                    entityValues['ffc72e8058fd9efd4bb92270520942bd'] = value # Source reference
                case 'f__70qt_quelle_kurztitel':
                    entityValues['f433afdf58621b6962dea8821cf21bb9'] = value # Source short title
                case 'f__3420_taet_ort':
                    entityValues['f53e436b293c82f07fb17dd40c01f868'] = value # Workplace
                case _:
                    print(f'{key} is not a valid field, skipping.')

        # Create Material
        entity = Entity(api=api, fields=entityValues, bundle_id=bundleId)
        api.save(entity)

        print(f'Created mentioned {index}: {entity.uri} of {len(tableName)}')

        # Write log
        processedRows = processedRows._append({'id': row['id'], 'uuid': fUuid, 'uri': entity.uri}, ignore_index=True)
        processedRows.to_csv(f'./logs/{tableName}.csv', index=False)
        if test:
            exit()

    print('finish')