#!/usr/bin/env python3
"""
Analyze barcode structure
"""

test_barcode = "[)>06PSAM9019-ND1PJL-100-25-T30PSAM9019-NDK1K9530640910K1172401379D25291T34755734000711K14LCNQ1811ZPICK12Z268520113Z99999920Z00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"

print("Barcode structure analysis:")
print(f"Total length: {len(test_barcode)}")
print()

# Look for patterns
import re

# Find all capital letters followed by content
pattern = r'([A-Z]+)([^A-Z]*)'
matches = re.findall(pattern, test_barcode)

print("Pattern matches (Letter + Content):")
for i, (letter, content) in enumerate(matches[:20]):
    if content:
        print(f"  {letter}: '{content}'")

print("\n" + "="*70)

# Check if there are specific field markers
markers = ['30P', '1P', 'Q', 'K', 'D', 'T', 'Z', 'P']
for marker in markers:
    if marker in test_barcode:
        idx = test_barcode.find(marker)
        print(f"Found '{marker}' at position {idx}: {test_barcode[idx:idx+20]}")

print("\n" + "="*70)

# Try to identify the structure
# [)>06 is ANSI MH10.8.2 format
if test_barcode.startswith('[)>06'):
    print("This is ANSI MH10.8.2 barcode format")
    print("Format: [)>06 + Format Identifier + GS + Data + RS + EOT")

    # The data section should start after the format header
    data_start = 5  # After [)>06

    # Look for common field identifiers
    print("\nSearching for field identifiers:")

    # Common identifiers in ANSI format:
    # P = Part Number
    # 1P = Supplier Part Number
    # 30P = Customer Part Number
    # Q = Quantity
    # K = Batch/Lot

    # Try a different approach - look for explicit markers
    text = test_barcode[5:]  # Skip header

    # Find 30P marker
    if '30P' in text:
        idx = text.index('30P')
        after_30p = text[idx+3:]
        # Extract until next capital letter or known marker
        part_match = re.match(r'([A-Z0-9\-]+)', after_30p)
        if part_match:
            print(f"  Part (30P): {part_match.group(1)}")

    # Find 1P marker
    if '1P' in text:
        idx = text.index('1P')
        after_1p = text[idx+2:]
        part_match = re.match(r'([A-Z0-9\-]+)', after_1p)
        if part_match:
            print(f"  Supplier Part (1P): {part_match.group(1)}")

    # Find P (might be part number)
    if test_barcode.startswith('[)>06P'):
        after_p = test_barcode[6:]
        part_match = re.match(r'([A-Z0-9\-]+)', after_p)
        if part_match:
            print(f"  Part (P): {part_match.group(1)}")

    # Find Q for quantity
    if 'Q' in text:
        # Look for Q followed by digits
        q_matches = re.findall(r'Q(\d+)', text)
        if q_matches:
            print(f"  Quantity (Q): {q_matches}")