from typing import List, Dict, Any, Optional
from pydantic import BaseModel, Field
from datetime import date


class AccountDetails(BaseModel):
    """Model for individual account details."""
    account_name: str = Field(..., description="Name of the account")
    account_number: str = Field(..., description="Account number")
    starting_balance: float = Field(..., description="Starting balance of the account")
    ending_balance: float = Field(..., description="Ending balance of the account")
    statement_start_date: str = Field(..., description="Statement start date in YYYY-MM-DD format")
    statement_end_date: str = Field(..., description="Statement end date in YYYY-MM-DD format")


class AccountSummary(BaseModel):
    """Model for bank account summary extracted from LLM."""
    bank_name: str = Field(..., description="Name of the bank")
    account_holder: str = Field(..., description="Name of the account holder")
    accounts: List[AccountDetails] = Field(..., description="List of account details")


class BankStatementData(BaseModel):
    """Model for processed bank statement data."""
    account_summary: Dict[str, str] = Field(..., description="Account summary information")
    transaction_tables: Dict[str, Any] = Field(..., description="Extracted transaction tables")


class WordData(BaseModel):
    """Model for word data with bounding box."""
    word: str = Field(..., description="Extracted word text")
    bbox: List[float] = Field(..., description="Bounding box coordinates [x0, y0, x1, y1]")


class LineData(BaseModel):
    """Model for line data with words."""
    line: str = Field(..., description="Complete line text")
    bbox: List[float] = Field(..., description="Line bounding box [x, y]")
    words: List[WordData] = Field(..., description="List of words in the line")


class ExtractedTextData(BaseModel):
    """Model for extracted text data from PDF."""
    pages: List[List[LineData]] = Field(..., description="List of pages, each containing lines")