import json
from pathlib import Path
from collections import Counter

ROOT = Path(r"C:\AI\dataset_factory\dataset_farming\game\top6")
DATASET = ROOT / "metadata_final" / "dataset.jsonl"
REPORT = ROOT / "metadata_final" / "validation_report.json"

ACTIONS = {
    "move_left": (-0.25, 0.0, 0.0),
    "move_right": (0.25, 0.0, 0.0),
    "move_forward": (0.0, 0.25, 0.0),
    "move_backward": (0.0, -0.25, 0.0),
    "interact": (0.0, 0.0, 0.0),
    "noop": (0.0, 0.0, 0.0),
}

def q(x):
    return round(float(x), 5)

rows = [
    json.loads(x)
    for x in DATASET.read_text(encoding="utf-8").splitlines()
    if x.strip()
]

ids = set()
actions = Counter()
splits = Counter()

for r in rows:
    rid = r["id"]

    if rid in ids:
        raise ValueError(f"duplicate id {rid}")

    ids.add(rid)

    rgb = ROOT / r["rgb_file"]
    mask = ROOT / r["mask_file"]

    if not rgb.exists() or rgb.stat().st_size == 0:
        raise ValueError(f"bad rgb {rid}")

    if not mask.exists() or mask.stat().st_size == 0:
        raise ValueError(f"bad mask {rid}")

    if r["action"] not in ACTIONS:
        raise ValueError(f"bad action {rid}")

    t = r["state_t0"]["target"]

    bbox = t["bbox_xyxy"]

    if (
        not isinstance(bbox, list)
        or len(bbox) != 4
        or not all(isinstance(x, int) for x in bbox)
    ):
        raise ValueError(f"bad bbox {rid}")

    x, y, z = t["position"]
    dx, dy, dz = ACTIONS[r["action"]]

    expected = [
        q(x + dx),
        q(y + dy),
        q(z + dz)
    ]

    if r["expected_target_position_t1"] != expected:
        raise ValueError(f"oracle mismatch {rid}")

    if t["camera_depth"] <= 0:
        raise ValueError(f"bad camera depth {rid}")

    if t["camera_distance"] <= 0:
        raise ValueError(f"bad camera distance {rid}")

    actions[r["action"]] += 1
    splits[r["split"]] += 1

report = {
    "status": "PASS",
    "validated": len(rows),
    "unique_ids": len(ids),
    "actions": dict(actions),
    "splits": dict(splits)
}

REPORT.write_text(
    json.dumps(report, indent=2),
    encoding="utf-8"
)

print(json.dumps(report))