"""Build the gallery HTML: curated scenes from allscenes.json injected into
gallery_template.html."""
import json, os

CURATED = [
    # (scene key, project, display name, blurb)
    ("STDAVE/TREK.SCN", "Star Trek", "Enterprise-D",
     "The Enterprise-D at rest among three parallax layers of drifting stars."),
    ("STDAVE/KLNGVID.SCN", "Star Trek", "Klingon flyby",
     "A Klingon cruiser at rest while two more drift past on spline paths."),
    ("STDAVE/TREKVID.SCN", "Star Trek", "Enterprise flyby",
     "Camera-pass variant of the Enterprise scene, built for video capture."),
    ("HPDAVE/SDEMO.SCN", "Hull Pressure", "Sea demo",
     "The big Hull Pressure demo: seafloor, wrecks, and marine life on spline paths."),
    ("HPDAVE/FISHSPLS.SCN", "Hull Pressure", "Fish schools",
     "Schools of fish and sharks swimming spline circuits over the seabed."),
    ("HPDAVE/BDDEMO.SCN", "Hull Pressure", "Big demo",
     "Full underwater environment demo for the unreleased submarine game."),
    ("HPDAVE/TMPRIGS.SCN", "Hull Pressure", "Temple rigs",
     "Sunken temple environment with rig structures."),
    ("HPDAVE/DUANE.SCN", "Hull Pressure", "Duane's scene",
     "An underwater scene named for one of the team."),
    ("HPDAVE/SANDTEST.SCN", "Hull Pressure", "Sand test",
     "Seafloor sand and lighting test."),
    ("BTDAVE/MAPS/POLAR4.SCN", "BattleTech", "Polar map",
     "The polar arena environment, assembled from 99 models."),
    ("BTRAVINE/RAVTEST.SCN", "BattleTech", "Ravine map",
     "The Ravine arena in development — this environment shipped as RAV/RAV1."),
    ("BTRAVINE/DESTEST.SCN", "BattleTech", "Desert test",
     "Desert environment test with full map furniture."),
    ("BTDAVE/MAPS/DTEST.SCN", "BattleTech", "Desert map test",
     "A smaller desert map assembly test."),
    ("CONVERT/BTECH/STAD/STAD.SCN", "BattleTech", "Stadium",
     "Arena stadium model in the art-conversion workspace."),
    ("DPL3RLS/SCENES/MISSILE.SCN", "BattleTech", "Missile test",
     "Weapon-effects staging scene with arena props."),
    ("RPDAVE/SCENES/BLADE.SCN", "Red Planet", "Blade arena",
     "The Blade racing arena — late Red Planet development work."),
    ("CONVERT/MILESTON/MILESTON.SCN", "Red Planet", "Milestone",
     "The Red Planet milestone demo: Mars mining-canal raceway."),
    ("CONVERT/MILESTON/WELLENT.SCN", "Red Planet", "Well entrance",
     "Raceway well-entrance sequence from the milestone build."),
    ("CONVERT/RD/CHOICE2.SCN", "Red Planet", "Choice point",
     "A raceway fork (“choice”) section of the Mars canals."),
    ("RD/VTER.SCN", "Red Planet", "Terrain",
     "Generated Mars terrain heightfield test."),
    ("CANYON/CANYON.SCN", "Canyon demo", "Canyon",
     "River-canyon flythrough environment — Division demo work."),
    ("CANYON/CANABOVE.SCN", "Canyon demo", "Canyon from above",
     "The canyon seen from altitude."),
    ("CANYON/TEMPLE.SCN", "Canyon demo", "Maya temple",
     "Mayan temple set piece at the canyon rim."),
    ("ERIC/VANSMAK.SCN", "Misc", "Van's MAK",
     "A 31-model scene from developer Eric's directory."),
    ("HPDAVE/BATEST.SCN", "Hull Pressure", "Bathysphere test",
     "Single-model test of the submersible."),
    ("CONVERT/CALIB/DIVCAL.SCN", "Misc", "Division calibration",
     "Display-calibration model used to align the pod projectors."),
]

# camera overrides for scenes whose START sits inside geometry (dev scenes);
# None = use the viewer's auto-framing instead
START_OVERRIDE = {
    "BTRAVINE/RAVTEST.SCN": [280, 30, 160, -8, 25, 0],
    "CANYON/CANYON.SCN": None,
    "CANYON/CANABOVE.SCN": None,
    "CANYON/TEMPLE.SCN": None,
    "BTDAVE/MAPS/DTEST.SCN": None,
    "CONVERT/CALIB/DIVCAL.SCN": None,
}

here = os.path.dirname(os.path.abspath(__file__))
data = json.load(open(os.path.join(here, "allscenes.json")))

out = {"models": {}, "images": {}, "scenes": {}, "catalog": []}
for key, project, name, blurb in CURATED:
    sc = data["scenes"].get(key)
    if not sc:
        print("MISSING SCENE:", key)
        continue
    if key in START_OVERRIDE:
        sc = dict(sc); sc["start"] = START_OVERRIDE[key]
        if sc["start"] is None: del sc["start"]
    out["scenes"][key] = sc
    out["catalog"].append({"key": key, "project": project, "name": name, "blurb": blurb})
    for mid in sc["modelmap"].values():
        out["models"][mid] = data["models"][mid]
    for mat in sc["materials"].values():
        if mat and mat.get("img"):
            out["images"][mat["img"]] = data["images"][mat["img"]]

# per-model bounding radius for auto-framing
for mid, groups in out["models"].items():
    lo = [1e9] * 3; hi = [-1e9] * 3
    for g in groups:
        for v in g.get("v", g.get("points", [])):
            for i in range(3):
                lo[i] = min(lo[i], v[i]); hi[i] = max(hi[i], v[i])
    if lo[0] > hi[0]: lo = hi = [0, 0, 0]
    for g in groups: pass
    c = [(lo[i] + hi[i]) / 2 for i in range(3)]
    r = max(hi[i] - lo[i] for i in range(3)) / 2 or 1
    out.setdefault("bounds", {})[mid] = {"c": [round(x, 2) for x in c], "r": round(r, 2)}

blob = json.dumps(out, separators=(",", ":"))
print("gallery data: %.1f MB, %d scenes, %d models, %d images"
      % (len(blob) / 1e6, len(out["scenes"]), len(out["models"]), len(out["images"])))
tpl = open(os.path.join(here, "gallery_template.html"), encoding="utf-8").read()
open(os.path.join(here, "vwe-archive.html"), "w", encoding="utf-8").write(
    tpl.replace("%%DATA%%", blob))
print("wrote vwe-archive.html", os.path.getsize(os.path.join(here, "vwe-archive.html")) / 1e6, "MB")