"""
Tests for scripts/normalize-code-blocks.py — Code block indentation normalization.
"""

import json
import unittest
from pathlib import Path

import sys
sys.path.insert(0, str(Path(__file__).parent.parent / "scripts"))
from normalize_code_blocks import process_line


class TestProcessLine(unittest.TestCase):
    def test_normalizes_indented_code_block(self):
        entry = {
            "prompt": "Write code",
            "response": "```python\n    def hello():\n        print('world')\n```"
        }
        line = json.dumps(entry)
        result, count = process_line(line)
        parsed = json.loads(result.strip())
        # Code block indentation should be normalized
        self.assertIn("def hello():", parsed["response"])

    def test_preserves_non_code_content(self):
        entry = {"prompt": "Hello", "response": "How are you?"}
        line = json.dumps(entry)
        result, count = process_line(line)
        parsed = json.loads(result.strip())
        self.assertEqual(parsed["response"], "How are you?")

    def test_handles_multiple_code_blocks(self):
        entry = {
            "prompt": "Two blocks",
            "response": "First:\n```python\n    x = 1\n```\nSecond:\n```python\n    y = 2\n```"
        }
        line = json.dumps(entry)
        result, count = process_line(line)
        parsed = json.loads(result.strip())
        self.assertIn("x = 1", parsed["response"])
        self.assertIn("y = 2", parsed["response"])

    def test_handles_empty_response(self):
        entry = {"prompt": "Test", "response": ""}
        line = json.dumps(entry)
        result, count = process_line(line)
        parsed = json.loads(result.strip())
        self.assertEqual(parsed["response"], "")

    def test_preserves_prompt(self):
        entry = {"prompt": "Write a function", "response": "```python\n    def f(): pass\n```"}
        line = json.dumps(entry)
        result, count = process_line(line)
        parsed = json.loads(result.strip())
        self.assertEqual(parsed["prompt"], "Write a function")


if __name__ == "__main__":
    unittest.main()