"""
C-Stone Invoice Check — Pydantic Schemas
API Request/Response Definitionen
"""

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


# Invoice Schemas
class InvoiceBase(BaseModel):
    email_id: Optional[str] = None
    email_subject: Optional[str] = None
    email_from: Optional[str] = None
    email_date: Optional[datetime] = None

    invoice_number: Optional[str] = None
    invoice_date: Optional[datetime] = None
    invoice_amount: Optional[float] = None
    invoice_tax_amount: Optional[float] = None
    invoice_tax_rate: Optional[float] = None
    invoice_tax_type: Optional[str] = None

    issuer_name: Optional[str] = None
    issuer_address: Optional[str] = None

    file_path: Optional[str] = None
    file_name: Optional[str] = None
    storage_year: Optional[int] = None
    storage_path: Optional[str] = None

    processed: bool = False
    processing_error: Optional[str] = None
    confidence_score: Optional[float] = None


class InvoiceCreate(InvoiceBase):
    pass


class InvoiceResponse(InvoiceBase):
    id: int
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True


# Email Log Schemas
class EmailLogBase(BaseModel):
    email_id: str
    email_subject: Optional[str] = None
    email_from: Optional[str] = None
    email_date: Optional[datetime] = None
    email_folder: Optional[str] = None

    matched_keywords: Optional[List[str]] = None
    has_attachment: bool = False
    attachment_type: Optional[str] = None

    processed: bool = False
    processing_result: Optional[str] = None
    invoice_id: Optional[int] = None


class EmailLogCreate(EmailLogBase):
    pass


class EmailLogResponse(EmailLogBase):
    id: int
    created_at: datetime

    class Config:
        from_attributes = True


# PDF Scan Response
class TaxInfo(BaseModel):
    tax_type: str
    tax_rate: Optional[float]
    confidence: float
    found_keyword: Optional[str]


class PDFScanResponse(BaseModel):
    id: Optional[int] = None
    invoice_number: Optional[str] = None
    amount: Optional[float] = None
    issuer: Optional[str] = None
    tax_type: Optional[str] = None
    tax_rate: Optional[float] = None
    pages: int
    error: Optional[str] = None


# Excel Export Response
class ExportResponse(BaseModel):
    status: str
    file_path: str
    invoice_count: int


# Auth Schemas
class Token(BaseModel):
    access_token: str
    token_type: str = "bearer"


class TokenData(BaseModel):
    username: Optional[str] = None


class UserCreate(BaseModel):
    username: str
    password: str


class UserResponse(BaseModel):
    id: int
    username: str
    is_active: bool
    created_at: datetime

    class Config:
        from_attributes = True