#!/bin/bash
# Script to download DiffuScene pretrained models and datasets from Google Drive

set -e

echo "========================================"
echo "DiffuScene Pretrained Models Downloader"
echo "========================================"
echo ""

# Create directories
mkdir -p pretrained
mkdir -p data

# Install gdown if not available
if ! command -v gdown &> /dev/null; then
    echo "Installing gdown..."
    pip install gdown
fi

echo ""
echo "Downloading pretrained models..."
echo "This may take a while depending on your internet connection."
echo ""

# Download pretrained models (unconditional, text, scene_rearrangement)
echo "[1/5] Downloading DiffuScene pretrained models..."
gdown "https://drive.google.com/uc?id=1pk9AzGcBz_kRfmRzvFNDW5byk4MwbXEm" -O pretrained/diffuscene_models.zip
echo "Extracting..."
unzip -q pretrained/diffuscene_models.zip -d pretrained/
rm pretrained/diffuscene_models.zip
echo "✓ DiffuScene models downloaded"

# Download ShapeAutoencoder
echo ""
echo "[2/5] Downloading ShapeAutoencoder model..."
gdown "https://drive.google.com/uc?id=1xuFa_Hh6BOZqfaAnlG-W_9mA1gilU6nI" -O pretrained/shape_autoencoder.zip
echo "Extracting..."
unzip -q pretrained/shape_autoencoder.zip -d pretrained/
rm pretrained/shape_autoencoder.zip
echo "✓ ShapeAutoencoder model downloaded"

# Download results (optional)
echo ""
echo "[3/5] Downloading unconditional generation results (optional)..."
read -p "Download example results? (y/n) " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]; then
    gdown "https://drive.google.com/uc?id=1EJ2VPZvbuKeR-ob1SsiwEC7cAEFDug3i" -O pretrained/results.zip
    echo "Extracting..."
    unzip -q pretrained/results.zip -d pretrained/
    rm pretrained/results.zip
    echo "✓ Results downloaded"
else
    echo "Skipped results download"
fi

# Download preprocessed 3D-FRONT dataset
echo ""
echo "[4/5] Downloading preprocessed 3D-FRONT dataset..."
echo "WARNING: This is a large file (several GB)"
read -p "Download 3D-FRONT dataset? (y/n) " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]; then
    gdown "https://drive.google.com/uc?id=1UNSFN0kULyOzUErDPVvkKYbmfzA-4MsG" -O data/3d_front.zip
    echo "Extracting..."
    unzip -q data/3d_front.zip -d data/
    rm data/3d_front.zip
    echo "✓ 3D-FRONT dataset downloaded"
else
    echo "Skipped 3D-FRONT download"
fi

# Download 3D-FUTURE dataset
echo ""
echo "[5/5] Downloading preprocessed 3D-FUTURE dataset..."
echo "WARNING: This is a large file (several GB)"
read -p "Download 3D-FUTURE dataset? (y/n) " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]; then
    gdown "https://drive.google.com/uc?id=16fz81Eh6B6pbZNGTMbe0FdfNwIuQicE1" -O data/3d_future.zip
    echo "Extracting..."
    unzip -q data/3d_future.zip -d data/
    rm data/3d_future.zip
    echo "✓ 3D-FUTURE dataset downloaded"
else
    echo "Skipped 3D-FUTURE download"
fi

echo ""
echo "========================================"
echo "Download complete!"
echo "========================================"
echo ""
echo "Directory structure:"
tree -L 2 pretrained/ data/ || ls -R pretrained/ data/
echo ""
echo "Next steps:"
echo "1. Update the paths in run/test_custom_text.sh to point to the downloaded data"
echo "2. Run: ./run/test_custom_text.sh"