#!/usr/bin/env python3
"""Build the versioned L56 flat-field and sparse-motif fixture."""
from __future__ import annotations

import argparse
import json
import os
from pathlib import Path


ROOT = Path(__file__).resolve().parents[4]
OWNER = Path(os.environ.get("VOXELFORGE_OWNER_DATA",
                            ROOT / "Standalone/data/owner_world.json"))
OUT_DEFAULT = Path(os.environ.get("VOXELFORGE_VERIFY_OUT", ROOT / "Saved/Linux/l56"))


def main() -> None:
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--out", type=Path, default=OUT_DEFAULT / "fixtures")
    args = parser.parse_args()
    args.out.mkdir(parents=True, exist_ok=True)

    fixture = json.loads(OWNER.read_text(encoding="utf-8"))
    fixture["surface_profile_override"] = {
        "version": 1,
        "kind": "flatField",
        "minimum_arena_clearance_m": 0.0,
    }
    fixture["motif_family_override"] = {
        "version": 1,
        "strate_index": 1,
        "placement_policy": "seed,strate,stable_id",
        "motifs": [
            {
                "stable_id": "motif/monolith-01-v1",
                "kind": "cappedCylinder",
                "radius_m": 1.4,
                "height_m": 24.0,
                "route_side_offset_m": 28.0,
                "placement_radius_m": 4.0,
                "fillet_radius_m": 0.55,
                "blend_width_m": 1.6,
                "minimum_spacing_m": 15.0,
                "yaw_quarter_turns": 0,
                "attachment": "seated_floor",
            },
            {
                "stable_id": "motif/platform-01-v1",
                "kind": "roundedBox",
                "half_extents_m": [3.2, 2.8, 0.75],
                "route_side_offset_m": -35.0,
                "placement_radius_m": 4.0,
                "fillet_radius_m": 0.55,
                "blend_width_m": 1.6,
                "minimum_spacing_m": 15.0,
                "yaw_quarter_turns": 0,
                "attachment": "seated_floor",
            },
        ],
    }
    path = args.out / "style-override-motifs-slice1.json"
    path.write_text(json.dumps(fixture, indent=2) + "\n", encoding="utf-8")
    print(f"[L56MotifFixture] path={path} profile=flatField motifs=2 "
          "placement=seed,strate,stable_id status=PASS")


if __name__ == "__main__":
    main()