import mysql.connector
from mysql.connector import Error

# Define the database connection details
db_configs = [
    {
        'user': 'snehalatha',
        'password': 'paSsWord@#654',
        'host': 'konectar-readreplica-rds.konectar.io',
        'database': 'kolm_lite_cardio',
        'instance':'cardio'
    },
    {
       'user': 'snehalatha',
        'password': 'paSsWord@#654',
        'host': 'konectar-readreplica-rds.konectar.io',
        'database': 'kolm_lite_veterinary',
        'instance':'veterinary'
    },
     {
        'user': 'snehalatha',
        'password': 'paSsWord@#654',
        'host': 'konectar-readreplica-rds.konectar.io',
        'database': 'kolm_lite_oralhealth',
        'instance':'oralhealth'
    }
]

def fetch_records(config):
    try:
        # Connect to the database
        connection = mysql.connector.connect(
            host=config['host'],
            user=config['user'],
            password=config['password'],
            database=config['database']
        )
        if connection.is_connected():
            
            cursor = connection.cursor(dictionary=True)
            cursor.execute(f"SELECT '{ config['instance'] }' as instance, kols.npi_num,kols.id,CONCAT_WS(' ',kols.first_name,kols.middle_name,kols.last_name) as kol_name, projects.name as project_name, clients.name as client_name,CONCAT(client_users.first_name,' ',client_users.last_name) as user_name, GROUP_CONCAT(DISTINCT log_activities.transaction_name,':',date(log_activities.created_on)) as project_details,case when user_kols.opt_in_out_status = 3 then 'Opted Out' when user_kols.opt_in_out_status = 4 then 'Opted In' else '' end as status , date(kols.data_updated) as data_processed_date,countries.Country as user_country,CONCAT(poc.first_name,' ',poc.last_name) as client_poc FROM kols left join user_kols on user_kols.kol_id = kols.id left join countries on countries.CountryId = kols.country_id inner join opt_inout_statuses on opt_inout_statuses.id = user_kols.opt_in_out_status  left join log_activities on log_activities.miscellaneous1 = user_kols.kol_id left join client_users on client_users.id = user_kols.user_id  left join clients on client_users.client_id  = clients.id  left join client_users as poc on poc.id = clients.created_by left join project_clients on project_clients.client_id = clients.id  left join projects on project_clients.project_id = projects.id  where log_activities.module ='opt_in_out'  and log_activities.transaction_name in ('New','Opt-in Requested','Opt-out','Opt-in Approved','Opt-in Expired','Opt-in Received','Opt-in') group by kols.id;")
            records = cursor.fetchall()
            return records

    except Error as e:
        print(f"Error while connecting to MySQL: {e}")
        return None

    finally:
        if connection.is_connected():
            cursor.close()
            connection.close()

# Loop through the databases and fetch records

def get_records():
    all_records = []
    for config in db_configs:
        records = fetch_records(config)
        if records:
            all_records.extend(records)

    return all_records

# Print or process the fetched records
# for record in all_records:
#     print(record)