"""Tests for PdfReportAgent — no GPU, no model downloads."""
import os

from formscout.types import (
    ReportResult, SessionEntry, MovementResult, BiomechFeatures, ScoreResult, JudgeResult,
)


def _entry(test_name="deep_squat", score=2, needs_human=False):
    movement = MovementResult(test_name=test_name, side="na", confidence=1.0)
    features = BiomechFeatures(
        test_name=test_name, view="2d", side="na",
        angles={"left_knee_flexion_deg": 95.0}, alignments={"knees_tracking_over_feet": False},
        symmetry_delta=None, timing={"deepest_frame": 1}, confidence=0.9,
    )
    rubric = ScoreResult(score=2, rationale="rubric ok", confidence=0.8)
    judge = JudgeResult(score=None if needs_human else score, rationale="judge rationale",
                        compensation_tags=["heels elevated"], corrective_hint="ankle mobility",
                        confidence=0.85, needs_human=needs_human)
    return SessionEntry(
        test_name=test_name, side="na", score=None if needs_human else score,
        needs_human=needs_human, rationale="judge rationale",
        compensation_tags=["heels elevated"], corrective_hint="ankle mobility",
        measurements={"left_knee_flexion_deg": 95.0, "knees_tracking_over_feet": False},
        confidence=0.85, view="2d", keyframe_path=None,
        movement=movement, features=features, rubric_score=rubric, judge=judge,
    )


def _report(composite=2):
    return ReportResult(
        per_test=[], composite=composite, asymmetries=[],
        overlay_video_path=None, pdf_path=None,
        low_confidence_flags=[], disagreement_flags=[],
    )


def test_pdf_is_created(tmp_path):
    from formscout.agents.pdf_report import PdfReportAgent
    path = PdfReportAgent().run(_report(2), [_entry()], str(tmp_path))
    assert path is not None
    assert os.path.exists(path)
    assert os.path.getsize(path) > 1000  # a real PDF, not an empty file
    with open(path, "rb") as f:
        assert f.read(5) == b"%PDF-"


def test_pdf_handles_incomplete_composite(tmp_path):
    from formscout.agents.pdf_report import PdfReportAgent
    path = PdfReportAgent().run(_report(None), [_entry(needs_human=True)], str(tmp_path))
    assert path is not None and os.path.exists(path)