#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Script to cleanup old photo files with collision suffixes.
Deletes files like: original_b374WLW.jpg, large_lmCnBYn.webp etc.
"""
import os
import sys
from pathlib import Path

# Determine media directory
media_dir = Path(__file__).parent / 'myproject' / 'media'

if not media_dir.exists():
    print(f"ERROR: media directory not found: {media_dir}")
    sys.exit(1)

print(f"Cleaning old photo files in: {media_dir}")
print("=" * 60)

deleted_count = 0
errors = []

# Walk through all files in media
for root, dirs, files in os.walk(str(media_dir)):
    for filename in files:
        # Look for files with suffix (pattern: name_XXXXX.extension)
        # where XXXXX is a random suffix added by Django on collision
        parts = filename.rsplit('.', 1)  # Split name and extension

        if len(parts) != 2:
            continue

        name, ext = parts

        # Check if there's a suffix (8 chars after last underscore)
        # Django adds suffixes like: _b374WLW, _lmCnBYn etc.
        # Also match patterns like testovyi_17613999927705342_original
        if '_' in name:
            # Get the last part after underscore
            parts_by_underscore = name.split('_')
            last_part = parts_by_underscore[-1]

            # Check for collision suffix (8 alphanumeric chars)
            # or timestamp-like suffix (14+ digits)
            is_collision_suffix = (len(last_part) == 8 and last_part.isalnum())
            is_timestamp_suffix = (len(last_part) >= 14 and last_part.isdigit())

            if is_collision_suffix or is_timestamp_suffix:
                file_path = os.path.join(root, filename)
                rel_path = os.path.relpath(file_path, str(media_dir))

                try:
                    os.remove(file_path)
                    deleted_count += 1
                    print(f"[OK] Deleted: {rel_path}")
                except Exception as e:
                    errors.append(f"[FAIL] Error deleting {rel_path}: {str(e)}")
                    print(f"[FAIL] Error deleting {rel_path}: {str(e)}")

print("=" * 60)
print(f"\nResults:")
print(f"   [OK] Successfully deleted: {deleted_count} files")

if errors:
    print(f"   [FAIL] Deletion errors: {len(errors)}")
    for error in errors:
        print(f"     {error}")
else:
    print(f"   [OK] No errors")

print("\n[DONE] Cleanup completed!")