#!/usr/bin/env python3
"""Render the matched L18 review views as small readable JPEGs."""
import os
import subprocess
from pathlib import Path

ROOT = Path(__file__).resolve().parents[4]
CAPTURE = ROOT / "Standalone/bin/linux/VoxelForgeOffscreenCapture-linux18-clang"
EXPORTS = ROOT / "Standalone/Research/WorldAssemblerM3/Linux18/exports"
OUT = ROOT / "Standalone/Research/WorldAssemblerM3/Linux18/captures"
LOGS = ROOT / "Saved/Linux"
OUT.mkdir(parents=True, exist_ok=True)
env = os.environ.copy()
env["LP_NUM_THREADS"] = "12"
env["XDG_CACHE_HOME"] = str(ROOT / "Saved/Linux/mesa-cache")

views = [
    ("floating-islands-flat-square-after", "floating-islands-flat-square.vfmesh",
     (-11.612444, -118.221237, -19.8452), 0, 0, True),
    ("floating-islands-flat-square-no-edges", "floating-islands-flat-square.vfmesh",
     (-11.612444, -118.221237, -19.8452), 0, 0, False),
    ("floating-islands-island-view-after", "floating-islands-island-view.vfmesh",
     (-22, -19, -22.8), 0, -4, True),
    ("floating-islands-ceiling-up", "floating-islands-island-view.vfmesh",
     (-22, -19, -22.8), 0, 80, True),
    ("surface-world-l1-spawn-after", "surface-world-l1-spawn.vfmesh",
     (0, -35, -487.94), 0, -22, False),
    ("surface-world-horizon-after", "surface-world-l1-spawn.vfmesh",
     (0, -35, -487.94), 0, 0, False),
]

for name, scene_name, camera, yaw, pitch, tile_edges in views:
    scene = EXPORTS / scene_name
    png = LOGS / f"l18-{name}.png"
    jpg = OUT / f"{name}.jpg"
    render_log = LOGS / f"l18-{name}-render.log"
    convert_log = LOGS / f"l18-{name}-jpeg.log"
    command = [str(CAPTURE), str(scene), str(png), "--size=1600x900",
        "--shade=readable", f"--tile-edges={'on' if tile_edges else 'off'}",
        "--tile-edge-width-m=0.15", "--camera-m="+",".join(map(str, camera)),
        f"--yaw-deg={yaw}", f"--pitch-deg={pitch}"]
    with render_log.open("w", encoding="utf-8") as stream:
        subprocess.run(command, cwd=ROOT, env=env, stdout=stream,
                       stderr=subprocess.STDOUT, check=True)
    ffmpeg = ["ffmpeg", "-nostdin", "-hide_banner", "-loglevel", "error", "-y",
        "-i", str(png), "-frames:v", "1", "-q:v", "4", str(jpg)]
    with convert_log.open("w", encoding="utf-8") as stream:
        subprocess.run(ffmpeg, cwd=ROOT, env=env, stdout=stream,
                       stderr=subprocess.STDOUT, check=True)
    if jpg.stat().st_size > 300_000:
        raise SystemExit(f"{jpg.name} exceeds the 300 KB review limit")
    print(f"[Capture] {jpg.relative_to(ROOT)} bytes={jpg.stat().st_size} status=PASS")