import fitz  # PyMuPDF
import json
import os

def get_salesforce_client():
    # Replace with actual authentication logic
    return "FakeSFClient", None

def get_salesforce_objects(sf):
    return ["Account", "Contact", "Opportunity"], None

def get_object_fields(sf, object_name):
    return ["Name", "Email", "Phone"], None

def extract_text_from_pdf(pdf_path):
    try:
        doc = fitz.open(pdf_path)
        text = ""
        for page in doc:
            text += page.get_text()
        return text.strip(), None
    except Exception as e:
        return None, str(e)

def extract_key_value_pairs(pdf_path):
    try:
        # Dummy example; replace with NLP extraction logic
        return [{"keys": ["Name", "Email"], "values": ["John Doe", "john@example.com"]}], None
    except Exception as e:
        return None, str(e)

def map_fields(extracted_data, object_fields):
    try:
        mappings = {}
        confidence_scores = {}
        for k in extracted_data[0]["keys"]:
            match = next((f for f in object_fields if f.lower() in k.lower()), object_fields[0])
            mappings[k] = match
            confidence_scores[k] = 0.9
        return mappings, confidence_scores, None
    except Exception as e:
        return None, None, str(e)

def create_record(sf, object_name, data):
    return "001ABC123XYZ", None  # Simulated Salesforce ID

def attach_pdf(sf, record_id, pdf_path):
    return "PDF attached successfully", None

def log_failure(pdf_path, object_name, error):
    with open("failures.json", "a") as f:
        json.dump({"pdf": pdf_path, "object": object_name, "error": error}, f)
        f.write("\n")