#!/usr/bin/env python
"""
Debug script to inspect TIFF file structure and data
"""

import rasterio
from pathlib import Path
import numpy as np

# Pick a tile file to inspect
tiff_dir = Path("laravel_app/storage/app/angata/merged_final_tif/5x5")

# Find first available tile
tile_file = None
for date_dir in sorted(tiff_dir.iterdir()):
    if date_dir.is_dir():
        for tif in date_dir.glob("*.tif"):
            if tif.stat().st_size > 12e6:  # Skip empty files
                tile_file = tif
                break
        if tile_file:
            break

if not tile_file:
    print("No suitable TIFF files found")
    exit(1)

print(f"Inspecting: {tile_file.name}")
print("=" * 80)

with rasterio.open(tile_file) as src:
    print(f"Band count: {src.count}")
    print(f"Data type: {src.dtypes[0]}")
    print(f"Shape: {src.height} x {src.width}")
    print(f"CRS: {src.crs}")
    print(f"Bounds: {src.bounds}")
    print()
    
    # Read each band
    for band_idx in range(1, min(6, src.count + 1)):
        data = src.read(band_idx)
        print(f"Band {band_idx}:")
        print(f"  dtype: {data.dtype}")
        print(f"  range: {data.min():.6f} - {data.max():.6f}")
        print(f"  mean: {data.mean():.6f}")
        print(f"  % valid (non-zero): {(data != 0).sum() / data.size * 100:.1f}%")
        print()