"""The binary CLI must keep trials separate from the source colour artwork."""

from __future__ import annotations

import argparse
import json
from pathlib import Path

from orisys_sensor_design import cli
from orisys_sensor_design.manifest import RevisionPaths

REVISION = Path(__file__).resolve().parents[1] / "sensors" / "finger-xynova" / "r01"


def _args(job: Path, output_dir: Path) -> argparse.Namespace:
    return argparse.Namespace(
        views=False,
        source_job=job,
        output_dir=output_dir,
        camera_width_fraction=0.5,
    )


def test_binary_preview_uses_job_and_preserves_colour_source(tmp_path, monkeypatch):
    paths = RevisionPaths.from_revision_dir(REVISION)
    colour = tmp_path / "colour.png"
    colour.write_bytes(b"original colour")
    job = {
        "schema": "orisys-sensor-design/texture-job-v3",
        "revision_dir": str(paths.root),
        "source_blend": str(paths.source_blend),
        "outputs": [{"uv_map": "compute", "artifacts": {"png": str(colour)}}],
    }
    job_path = tmp_path / "_texture_job.json"
    job_path.write_text(json.dumps(job), encoding="utf-8")
    output_dir = tmp_path / "binary"
    calls = []

    def run_blender(script, blend, args):
        calls.append((script, blend, args))
        output_dir.mkdir()
        (output_dir / "compute_camera_compensated_width.png").write_bytes(b"binary")
        return 0

    monkeypatch.setattr(cli, "_run_blender_script", run_blender)
    assert cli.cmd_binary_preview(REVISION, _args(job_path, output_dir)) == 0
    assert colour.read_bytes() == b"original colour"
    assert calls[0][0] == "binary_pattern_from_color.py"
    assert "--camera-width-fraction" in calls[0][2]
    assert cli.cmd_binary_preview(REVISION, _args(job_path, output_dir)) == 2
    assert len(calls) == 1


def test_binary_preview_rejects_job_from_other_scene(tmp_path, monkeypatch):
    paths = RevisionPaths.from_revision_dir(REVISION)
    job_path = tmp_path / "_texture_job.json"
    job_path.write_text(
        json.dumps(
            {
                "schema": "orisys-sensor-design/texture-job-v3",
                "revision_dir": str(paths.root),
                "source_blend": str(tmp_path / "other.blend"),
                "outputs": [{"uv_map": "compute", "artifacts": {"png": "missing.png"}}],
            }
        ),
        encoding="utf-8",
    )
    monkeypatch.setattr(
        cli,
        "_run_blender_script",
        lambda *_: (_ for _ in ()).throw(AssertionError("Blender must not run")),
    )
    assert cli.cmd_binary_preview(REVISION, _args(job_path, tmp_path / "binary")) == 2