#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
Test script to verify user folder structure changes.

This script tests that:
1. Subreddit downloads go to: downloads/subreddit_name/files
2. User downloads go to: downloads/username/subreddit_name/files
"""

import sys
import tempfile
from pathlib import Path

# Set UTF-8 encoding for Windows console
if sys.platform == "win32":
    import codecs

    sys.stdout = codecs.getwriter("utf-8")(sys.stdout.buffer, "strict")
    sys.stderr = codecs.getwriter("utf-8")(sys.stderr.buffer, "strict")

from bdfr.api import BDFRManager, DownloadType
from bdfr.configuration import Configuration


def test_subreddit_directory_structure():
    """Test that subreddit downloads use correct directory structure"""
    print("\n=== Testing Subreddit Directory Structure ===")

    with tempfile.TemporaryDirectory() as tmpdir:
        manager = BDFRManager(download_directory=tmpdir)

        # Create a download for a subreddit
        download_id = manager.create_download(DownloadType.SUBREDDIT, "test_subreddit")

        download_info = manager.get_download_status(download_id)
        config = download_info["config"]

        expected_dir = str(Path(tmpdir))
        actual_dir = config.directory

        print(f"Expected directory: {expected_dir}")
        print(f"Actual directory:   {actual_dir}")
        print(f"Subreddit config:   {config.subreddit}")
        print(f"Folder scheme:      {config.folder_scheme}")

        assert actual_dir == expected_dir, f"Subreddit directory mismatch!"
        print("[OK] Subreddit directory structure is correct")
        print(f"  Files will be saved to: {actual_dir}/{{SUBREDDIT}}/{{files}}")


def test_user_directory_structure():
    """Test that user downloads use correct directory structure"""
    print("\n=== Testing User Directory Structure ===")

    with tempfile.TemporaryDirectory() as tmpdir:
        manager = BDFRManager(download_directory=tmpdir)

        # Create a download for a user
        username = "test_user"
        download_id = manager.create_download(DownloadType.USER, username)

        download_info = manager.get_download_status(download_id)
        config = download_info["config"]

        expected_dir = str(Path(tmpdir) / username)
        actual_dir = config.directory

        print(f"Expected directory: {expected_dir}")
        print(f"Actual directory:   {actual_dir}")
        print(f"User config:        {config.user}")
        print(f"Folder scheme:      {config.folder_scheme}")

        assert actual_dir == expected_dir, f"User directory mismatch!"
        print("[OK] User directory structure is correct")
        print(f"  Files will be saved to: {actual_dir}/{{SUBREDDIT}}/{{files}}")


def test_convenience_method():
    """Test the convenience method download_user()"""
    print("\n=== Testing download_user() Convenience Method ===")

    with tempfile.TemporaryDirectory() as tmpdir:
        manager = BDFRManager(download_directory=tmpdir)

        # Don't actually start the download, just check the config
        username = "convenience_test_user"

        # Create config manually like the convenience method does
        config = Configuration()
        user_directory = Path(tmpdir) / username
        config.directory = str(user_directory)
        config.user = [username]

        expected_dir = str(Path(tmpdir) / username)
        actual_dir = config.directory

        print(f"Expected directory: {expected_dir}")
        print(f"Actual directory:   {actual_dir}")
        print(f"User config:        {config.user}")

        assert actual_dir == expected_dir, f"Convenience method directory mismatch!"
        print("[OK] Convenience method directory structure is correct")


def demonstrate_folder_structure():
    """Demonstrate the folder structure for both download types"""
    print("\n=== Folder Structure Demonstration ===")
    print("\nWhen downloading from a SUBREDDIT 'python':")
    print("  downloads/")
    print("  └── python/")
    print("      ├── file1.jpg")
    print("      ├── file2.png")
    print("      └── file3.mp4")

    print("\nWhen downloading from a USER 'spez' who posts to multiple subreddits:")
    print("  downloads/")
    print("  └── spez/")
    print("      ├── python/")
    print("      │   ├── file1.jpg")
    print("      │   └── file2.png")
    print("      ├── announcements/")
    print("      │   └── file3.jpg")
    print("      └── pics/")
    print("          └── file4.png")

    print("\n[OK] This structure allows:")
    print("  1. Easy identification of user-specific downloads")
    print("  2. Organization by subreddit within each user folder")
    print("  3. No conflicts between subreddit and user downloads")


if __name__ == "__main__":
    print("=" * 60)
    print("Testing User Folder Structure Changes")
    print("=" * 60)

    try:
        test_subreddit_directory_structure()
        test_user_directory_structure()
        test_convenience_method()
        demonstrate_folder_structure()

        print("\n" + "=" * 60)
        print("[SUCCESS] All tests passed!")
        print("=" * 60)

    except AssertionError as e:
        print(f"\n[FAIL] Test failed: {e}")
        exit(1)
    except Exception as e:
        print(f"\n[ERROR] Unexpected error: {e}")
        import traceback

        traceback.print_exc()
        exit(1)