# app/exceptions/shop.py
"""
Shop management specific exceptions.
"""

from typing import Any, Dict, Optional
from .base import (
    ResourceNotFoundException,
    ConflictException,
    ValidationException,
    AuthorizationException,
    BusinessLogicException
)


class ShopNotFoundException(ResourceNotFoundException):
    """Raised when a shop is not found."""

    def __init__(self, shop_identifier: str, identifier_type: str = "code"):
        if identifier_type.lower() == "id":
            message = f"Shop with ID '{shop_identifier}' not found"
        else:
            message = f"Shop with code '{shop_identifier}' not found"

        super().__init__(
            resource_type="Shop",
            identifier=shop_identifier,
            message=message,
            error_code="SHOP_NOT_FOUND",
        )


class ShopAlreadyExistsException(ConflictException):
    """Raised when trying to create a shop that already exists."""

    def __init__(self, shop_code: str):
        super().__init__(
            message=f"Shop with code '{shop_code}' already exists",
            error_code="SHOP_ALREADY_EXISTS",
            details={"shop_code": shop_code},
        )


class ShopNotActiveException(BusinessLogicException):
    """Raised when trying to perform operations on inactive shop."""

    def __init__(self, shop_code: str):
        super().__init__(
            message=f"Shop '{shop_code}' is not active",
            error_code="SHOP_NOT_ACTIVE",
            details={"shop_code": shop_code},
        )


class ShopNotVerifiedException(BusinessLogicException):
    """Raised when trying to perform operations requiring verified shop."""

    def __init__(self, shop_code: str):
        super().__init__(
            message=f"Shop '{shop_code}' is not verified",
            error_code="SHOP_NOT_VERIFIED",
            details={"shop_code": shop_code},
        )


class UnauthorizedShopAccessException(AuthorizationException):
    """Raised when user tries to access shop they don't own."""

    def __init__(self, shop_code: str, user_id: Optional[int] = None):
        details = {"shop_code": shop_code}
        if user_id:
            details["user_id"] = user_id

        super().__init__(
            message=f"Unauthorized access to shop '{shop_code}'",
            error_code="UNAUTHORIZED_SHOP_ACCESS",
            details=details,
        )


class InvalidShopDataException(ValidationException):
    """Raised when shop data is invalid."""

    def __init__(
            self,
            message: str = "Invalid shop data",
            field: Optional[str] = None,
            details: Optional[Dict[str, Any]] = None,
    ):
        super().__init__(
            message=message,
            field=field,
            details=details,
        )
        self.error_code = "INVALID_SHOP_DATA"


class ShopProductAlreadyExistsException(ConflictException):
    """Raised when trying to add a product that already exists in shop."""

    def __init__(self, shop_code: str, product_id: str):
        super().__init__(
            message=f"Product '{product_id}' already exists in shop '{shop_code}'",
            error_code="SHOP_PRODUCT_ALREADY_EXISTS",
            details={
                "shop_code": shop_code,
                "product_id": product_id,
            },
        )


class ShopProductNotFoundException(ResourceNotFoundException):
    """Raised when a shop product relationship is not found."""

    def __init__(self, shop_code: str, product_id: str):
        super().__init__(
            resource_type="ShopProduct",
            identifier=f"{shop_code}/{product_id}",
            message=f"Product '{product_id}' not found in shop '{shop_code}'",
            error_code="SHOP_PRODUCT_NOT_FOUND",
        )


class MaxShopsReachedException(BusinessLogicException):
    """Raised when user tries to create more shops than allowed."""

    def __init__(self, max_shops: int, user_id: Optional[int] = None):
        details = {"max_shops": max_shops}
        if user_id:
            details["user_id"] = user_id

        super().__init__(
            message=f"Maximum number of shops reached ({max_shops})",
            error_code="MAX_SHOPS_REACHED",
            details=details,
        )


class ShopValidationException(ValidationException):
    """Raised when shop validation fails."""

    def __init__(
            self,
            message: str = "Shop validation failed",
            field: Optional[str] = None,
            validation_errors: Optional[Dict[str, str]] = None,
    ):
        details = {}
        if validation_errors:
            details["validation_errors"] = validation_errors

        super().__init__(
            message=message,
            field=field,
            details=details,
        )
        self.error_code = "SHOP_VALIDATION_FAILED"