"""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 run_dims_report
from bggpipe.shelves import save_furniture, save_locations


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
            }
        )
    )
    # no furniture yet: sizes-only report, pointed at the Shelves page
    summary = run_dims_report(cfg)
    assert summary["by_source"] == {
        "version": 1,
        "unanimous": 1,
        "conflicting": 1,
        "absent": 1,
    }
    assert summary["misfits"] == []
    assert summary["unknown"] == ["Argued About", "Never Measured"]
    out = capsys.readouterr().out
    assert "No furniture on file" in out

    # with furniture: per-opening capacity, misfit and overfull warnings
    save_furniture(
        cfg,
        [
            {
                "name": "Den",
                "openings": [
                    {
                        "id": "den-a1",
                        "label": "A1",
                        "zone": "",
                        "width_in": 13.25,
                        "height_in": 13.25,
                        "depth_in": 15.4,
                    }
                ],
            }
        ],
    )
    save_locations(
        cfg,
        {
            "1": {"opening_id": "den-a1", "note": ""},
            "2": {"opening_id": "den-a1", "note": ""},
        },
    )
    summary = run_dims_report(cfg)
    assert summary["misfits"] == ["Monster Box"]
    out = capsys.readouterr().out
    assert "doesn't fit: Monster Box" in out
    assert "unshelved" in out  # the conflicting + absent games have no home
    assert "can't be size-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)