#!/usr/bin/env python

import sys
import pprint
from pmtiles.reader import Reader, MmapSource

if len(sys.argv) <= 1:
    print("Usage: pmtiles-show PMTILES_FILE")
    print("Usage: pmtiles-show PMTILES_FILE Z X Y")
    exit(1)

with open(sys.argv[1], "r+b") as f:
    reader = Reader(MmapSource(f))
    if len(sys.argv) == 2:
        pprint.pprint(reader.header())
        pprint.pprint(reader.metadata())
    else:
        z = int(sys.argv[2])
        x = int(sys.argv[3])
        y = int(sys.argv[4])
        sys.stdout.buffer.write(reader.get(z, x, y))