import os
import firebase_admin
from firebase_admin import credentials
from firebase_admin import firestore
from google.cloud.firestore_v1.base_query import FieldFilter
import pandas as pd
from datetime import datetime
import sys

cred = credentials.Certificate(os.getcwd() + '/' + 'keys/hpos-qa-firebase-adminsdk.json')  # Replace with your own service account key path
firebase_admin.initialize_app(cred)

db = firestore.client()

start_date = sys.argv[1]
end_date = sys.argv[2] 

buffers_collection = db.collection("diagnostics").where(filter=FieldFilter("runTime", ">=", start_date)).where(filter=FieldFilter("runTime", "<", end_date))
docs = buffers_collection.stream()

data = []
for doc in docs:
    doc_data = doc.to_dict()

    data.append(doc_data)

df = pd.DataFrame(data)
print(df)
print(df.size)

pattern_device_id = r'SNS\s+([^\s]+)\s+SNE'

df['deviceId'] = df['deviceData'].str.extract(pattern_device_id)

pattern_led = r'LED(\d+)_DAC: (\d+)'

df_extracted = df['deviceData'].str.extractall(pattern_led).unstack().droplevel(0, axis=1)

df_extracted.columns = [f'LED{col}_DAC' for col in df_extracted.columns]

df = pd.concat([df, df_extracted], axis=1)

output_filename = f'diagnostics_{datetime.today().strftime("%d_%m_%Y_%H_%M")}.xlsx'

downloads_dir = os.path.join(os.path.expanduser("~"), "Downloads")
output_path = os.path.join(downloads_dir, output_filename)
writer = pd.ExcelWriter(output_path, engine = 'openpyxl')
df.to_excel(writer, sheet_name = 'data', index=False)
writer.close()

print(f"Data saved to '{output_path}'")

firebase_admin.delete_app(firebase_admin.get_app())