"""Contracts for reviewable PDF/DOCX resume imports."""

from __future__ import annotations

from datetime import datetime
from typing import Any, Literal

from pydantic import BaseModel, ConfigDict, Field


class ImportEvidence(BaseModel):
    page: int | None = Field(default=None, ge=1)
    paragraph: int | None = Field(default=None, ge=1)
    text: str = Field(min_length=1, max_length=500)


class ImportFieldReview(BaseModel):
    field_path: str = Field(min_length=1, max_length=256)
    value: Any
    confidence: float = Field(ge=0, le=1)
    status: Literal["needs_review", "verified"] = "needs_review"
    evidence: list[ImportEvidence] = Field(min_length=1, max_length=10)


class ParsedResumeDraft(BaseModel):
    model_config = ConfigDict(extra="forbid")

    document: dict[str, Any]
    field_reviews: list[ImportFieldReview] = Field(default_factory=list)


class ResumeImportView(BaseModel):
    id: str
    session_id: str
    file_name: str
    mime_type: str
    size_bytes: int
    sha256: str
    status: Literal["awaiting_review", "applied", "failed", "cancelled"]
    document: dict[str, Any] | None = None
    field_reviews: list[ImportFieldReview] = Field(default_factory=list)
    error_code: str | None = None
    created_at: datetime
    updated_at: datetime


class ApplyResumeImportRequest(BaseModel):
    model_config = ConfigDict(extra="forbid")

    expected_revision: int = Field(ge=0)