"""Contracts for grouped, retryable multi-pass inference."""

from __future__ import annotations

from typing import Literal

from pydantic import BaseModel, Field

from schemas.inference import DetectionResult, FormatSeen, ParseStatus


class PassAttempt(BaseModel):
    image_id: str
    group_id: str
    attempt: int = Field(ge=1)
    category_ids: list[str]
    prompt_hash: str
    max_new_tokens: int
    status: Literal["ok", "failed"]
    detections: list[DetectionResult] = []
    raw_text: str | None = None
    parse_status: ParseStatus = "unrecorded"
    format_seen: FormatSeen | None = None
    parse_error: str | None = None
    finish_reason: str | None = None
    latency_ms: float = 0.0
    input_tokens: int | None = None
    output_tokens: int | None = None
    cost_usd: float | None = None
    context_limit: int | None = None
    context_headroom: int | None = None
    provider_diagnostics: dict = {}
    box_repairs: dict[str, int] = {}
    dropped_per_category: int = 0
    dropped_per_pass: int = 0
    error_type: str | None = None


class PassSummary(BaseModel):
    group_id: str
    category_ids: list[str]
    attempts: int
    prompt_hash: str
    parse_status: ParseStatus
    finish_reason: str | None = None
    input_tokens: int | None = None
    output_tokens: int | None = None
    latency_ms: float = 0.0