"""Unit tests for micro-repair validator covering scenarios REP-001 to REP-016."""

from src.runtime.candidate.models import CandidateObject
from src.runtime.hygiene.repairs import validate_and_apply_repairs


def test_valid_encoding_repair():
    c = CandidateObject(
        id="blk_01",
        type="paragraph",
        text="Você sabia disso?",
        extractor="trafilatura",
        position=1,
    )
    cands = {c.id: c}

    repairs = [
        {
            "target_candidate_id": "blk_01",
            "original_fragment": "Você",
            "replacement_fragment": "Você",
            "category": "encoding",
            "rationale": "Fix moji-bake encoding artifact.",
        }
    ]

    applied, warnings = validate_and_apply_repairs(cands, repairs)
    assert len(applied) == 1
    assert len(warnings) == 0
    assert c.text == "Você sabia disso?"


def test_reject_unapproved_category_repair():
    c = CandidateObject(
        id="blk_01",
        type="paragraph",
        text="Original text here.",
        extractor="trafilatura",
        position=1,
    )
    cands = {c.id: c}

    repairs = [
        {
            "target_candidate_id": "blk_01",
            "original_fragment": "Original",
            "replacement_fragment": "Better",
            "category": "creative_style",  # Unapproved
            "rationale": "Better wording",
        }
    ]

    applied, warnings = validate_and_apply_repairs(cands, repairs)
    assert len(applied) == 0
    assert len(warnings) == 1
    assert "unapproved category" in warnings[0]


def test_reject_ungrounded_original_fragment():
    c = CandidateObject(
        id="blk_01", type="paragraph", text="Actual content.", extractor="trafilatura", position=1
    )
    cands = {c.id: c}

    repairs = [
        {
            "target_candidate_id": "blk_01",
            "original_fragment": "NonExistentFragment",
            "replacement_fragment": "Something",
            "category": "spacing",
            "rationale": "Fix space",
        }
    ]

    applied, warnings = validate_and_apply_repairs(cands, repairs)
    assert len(applied) == 0
    assert len(warnings) == 1
    assert "not found in candidate" in warnings[0]