"""Custom exceptions for the Ask-the-Web Agent."""


class AskTheWebError(Exception):
    """Base exception for Ask-the-Web Agent."""

    pass


class ConfigurationError(AskTheWebError):
    """Configuration-related errors."""

    pass


class LLMError(AskTheWebError):
    """LLM-related errors."""

    pass


class LLMConnectionError(LLMError):
    """LLM connection failed."""

    pass


class LLMRateLimitError(LLMError):
    """LLM rate limit exceeded."""

    pass


class LLMResponseError(LLMError):
    """Invalid LLM response."""

    pass


class ToolError(AskTheWebError):
    """Tool-related errors."""

    pass


class ToolNotFoundError(ToolError):
    """Tool not found in registry."""

    pass


class ToolExecutionError(ToolError):
    """Tool execution failed."""

    pass


class ToolTimeoutError(ToolError):
    """Tool execution timed out."""

    pass


class SearchError(ToolError):
    """Search-related errors."""

    pass


class SearchNoResultsError(SearchError):
    """Search returned no results."""

    pass


class ScrapingError(ToolError):
    """Web scraping errors."""

    pass


class AgentError(AskTheWebError):
    """Agent-related errors."""

    pass


class MaxIterationsError(AgentError):
    """Maximum iterations reached."""

    pass


class PlanningError(AgentError):
    """Workflow planning failed."""

    pass


class SynthesisError(AgentError):
    """Response synthesis failed."""

    pass