"""The shelf-space report: fit math, coverage buckets, honest unknowns."""

from __future__ import annotations

import json

import pytest
import typer

from bggpipe.config import Config
from bggpipe.dims import fits_kallax, run_dims_report


def test_fits_kallax_tries_every_orientation():
    assert fits_kallax(11.6, 11.6, 2.8)  # ordinary big-box
    # too tall to stand, but slides in lying down: depth axis takes 15.0
    assert fits_kallax(15.0, 12.0, 3.0)
    # two axes over the opening: no orientation works
    assert not fits_kallax(16.2, 16.2, 4.0)
    # fits the opening but too deep to close the wall behind it
    assert not fits_kallax(12.0, 12.0, 15.5)
    # exact boundary counts as fitting
    assert fits_kallax(13.2, 13.2, 15.4)


def test_report_buckets_misfits_and_unknowns(tmp_path, capsys):
    cfg = Config(data_dir=tmp_path / "data")
    cfg.data_dir.mkdir(parents=True)
    cfg.games_path.write_text(
        json.dumps(
            {
                "1": {
                    "name": "Fits Fine",
                    "dims": {
                        "width_in": 11.6,
                        "length_in": 11.6,
                        "depth_in": 2.8,
                        "weight_lb": 4,
                        "source": "version",
                    },
                },
                "2": {
                    "name": "Monster Box",
                    "dims": {
                        "width_in": 16.2,
                        "length_in": 16.2,
                        "depth_in": 4.0,
                        "weight_lb": 7,
                        "source": "unanimous",
                    },
                },
                "3": {
                    "name": "Argued About",
                    "dims": {
                        "width_in": None,
                        "length_in": None,
                        "depth_in": None,
                        "weight_lb": None,
                        "source": "conflicting",
                    },
                },
                "4": {"name": "Never Measured"},  # pre-dims entry: absent
            }
        )
    )
    summary = run_dims_report(cfg)
    assert summary["by_source"] == {
        "version": 1,
        "unanimous": 1,
        "conflicting": 1,
        "absent": 1,
    }
    assert summary["misfits"] == ["Monster Box"]
    # can't verify is NOT the same as fits: both unknowns are named
    assert summary["unknown"] == ["Argued About", "Never Measured"]
    out = capsys.readouterr().out
    assert "do NOT fit" in out and "Monster Box" in out
    assert "can't be verified" in out and "Never Measured" in out


def test_report_without_games_json_exits_with_guidance(tmp_path):
    cfg = Config(data_dir=tmp_path / "data")
    with pytest.raises(typer.Exit):
        run_dims_report(cfg)