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 importInspectionMarkLocation(api, engine):
    print('Importing inspection mark locations...')

    tableName = 'c__67b0_bz_dok_nr'
    bundleId = 'b4158ec3a326d8ab504062296a82f13a'

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

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

    # Create inspectionMarkLocations
    for index, row in inspectionMarkLocationsTable.iterrows():
        # For every row in table...
        if index < len(processedRows) and inspectionMarkLocationsTable.loc[index, 'id'] == processedRows.loc[index, 'id']:
            # skip if already processed
            print(f'Skipping already processed inspectionMarkLocation {inspectionMarkLocationsTable.loc[index, "id"]}')
            continue
        # Create Entity property dicts
        inspectionMarkLocationValues = {}
        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.
            match key:
                case 'id':
                    continue
                case 'f__uuid':
                    inspectionMarkLocationValues['f65178b07306225efb0b556f6e4f54a5'] = value # UUID
                case 'f__67b0_bz_dok_nr':
                    inspectionMarkLocationValues['f2d0b120ed40e17a5ad3f31d594d9b1c'] = value # Inspection Mark Identifier
                case 'f__67b4_anbr_ort':
                    inspectionMarkLocationValues['f8a6343c2a8a5523eb2f0602f2baae04'] = value # Location

                case _:
                    print(f'{key} is not a valid field, skipping.')

        # Create Material
        inspectionMarkLocation = Entity(api=api, fields=inspectionMarkLocationValues, bundle_id=bundleId)
        api.save(inspectionMarkLocation)

        print(f'Created inspectionMarkLocation {index}: {inspectionMarkLocation.uri}')

        # Write log
        processedRows = processedRows._append({'id': row['id'], 'uuid': inspectionMarkLocationValues['f65178b07306225efb0b556f6e4f54a5'][0], 'uri': inspectionMarkLocation.uri}, ignore_index=True)
        processedRows.to_csv(f'./logs/{tableName}.csv', index=False)

    print('finished importing inspection mark locations')