import re
from datetime import datetime
from typing import List, Optional

from pydantic import BaseModel, ConfigDict, EmailStr, Field, field_validator


# Marketplace Import Models
class MarketplaceImportRequest(BaseModel):
    url: str = Field(..., description="URL to CSV file from marketplace")
    marketplace: str = Field(
        default="Letzshop",
        description="Name of the marketplace (e.g., Letzshop, Amazon, eBay)",
    )
    shop_code: str = Field(..., description="Shop code to associate products with")
    batch_size: Optional[int] = Field(
        1000, gt=0, le=10000, description="Batch size for processing"
    )

    @field_validator("url")
    @classmethod
    def validate_url(cls, v):
        if not v.startswith(("http://", "https://")):
            raise ValueError("URL must start with http:// or https://")
        return v

    @field_validator("marketplace")
    @classmethod
    def validate_marketplace(cls, v):
        # You can add validation for supported marketplaces here
        supported_marketplaces = [
            "Letzshop",
            "Amazon",
            "eBay",
            "Etsy",
            "Shopify",
            "Other",
        ]
        if v not in supported_marketplaces:
            # For now, allow any marketplace but log it
            pass
        return v.strip()

    @field_validator("shop_code")
    @classmethod
    def validate_shop_code(cls, v):
        return v.upper().strip()


class MarketplaceImportJobResponse(BaseModel):
    job_id: int
    status: str
    marketplace: str
    shop_id: int
    shop_code: Optional[str] = None  # Will be populated from shop relationship
    shop_name: str
    message: Optional[str] = None
    imported: Optional[int] = 0
    updated: Optional[int] = 0
    total_processed: Optional[int] = 0
    error_count: Optional[int] = 0
    error_message: Optional[str] = None
    created_at: Optional[datetime] = None
    started_at: Optional[datetime] = None
    completed_at: Optional[datetime] = None