"""
Data models for embedding services.
"""

from dataclasses import dataclass, field
from typing import Any

from .embedding_exceptions import EmbeddingError


@dataclass
class EmbeddingBatchResult:
    """Result of batch embedding creation with success/failure tracking."""

    embeddings: list[list[float]] = field(default_factory=list)
    failed_items: list[dict[str, Any]] = field(default_factory=list)
    success_count: int = 0
    failure_count: int = 0
    texts_processed: list[str] = field(default_factory=list)  # Successfully processed texts

    def add_success(self, embedding: list[float], text: str):
        """Add a successful embedding."""
        self.embeddings.append(embedding)
        self.texts_processed.append(text)
        self.success_count += 1

    def add_failure(self, text: str, error: Exception, batch_index: int | None = None):
        """Add a failed item with error details."""
        error_dict = {
            "text": text[:200] if text else None,
            "error": str(error),
            "error_type": type(error).__name__,
            "batch_index": batch_index,
        }

        # Add extra context from EmbeddingError if available
        if isinstance(error, EmbeddingError):
            error_dict.update(error.to_dict())

        self.failed_items.append(error_dict)
        self.failure_count += 1

    @property
    def has_failures(self) -> bool:
        return self.failure_count > 0

    @property
    def total_requested(self) -> int:
        return self.success_count + self.failure_count