"""Tests for markdown parser module"""

import pytest
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).parent.parent / "src"))

from utils import MarkdownParser


class TestMarkdownParser:
    """Test MarkdownParser class"""

    def test_parser_initialization(self):
        parser = MarkdownParser()
        assert parser.content == ""

    def test_parse_method(self):
        parser = MarkdownParser()
        parser.parse("# Hello\nWorld")
        assert parser.content == "# Hello\nWorld"

    def test_extract_code_blocks(self):
        parser = MarkdownParser()
        parser.parse(
            """
# Code Example

```python
def hello():
    print("Hello")
```

More text

```javascript
console.log("test");
```
"""
        )
        blocks = parser.extract_code_blocks()
        assert len(blocks) == 2
        assert blocks[0].language == "python"
        assert blocks[1].language == "javascript"

    def test_extract_headings(self):
        parser = MarkdownParser()
        parser.parse(
            """
# Heading 1
## Heading 2
### Heading 3
"""
        )
        headings = parser.extract_headings()
        assert len(headings) == 3
        assert headings[0].level == 1
        assert headings[1].level == 2
        assert headings[2].level == 3

    def test_extract_links(self):
        parser = MarkdownParser()
        parser.parse(
            """
Check out [this link](https://example.com) 
and [another link](https://test.com).
"""
        )
        links = parser.extract_links()
        assert len(links) == 2
        assert links[0] == ("this link", "https://example.com")

    def test_extract_images(self):
        parser = MarkdownParser()
        parser.parse("![Alt text](image.png/path)")
        images = parser.extract_images()
        assert len(images) == 1
        assert images[0] == ("Alt text", "image.png/path")

    def test_search(self):
        parser = MarkdownParser()
        parser.parse("Line 1\nPython code here\nLine 3")
        results = parser.search("Python")
        assert len(results) == 1
        assert results[0]["line"] == 2

    def test_search_not_found(self):
        parser = MarkdownParser()
        parser.parse("No match here")
        results = parser.search("missing")
        assert len(results) == 0

    def test_convert_to_plain_text(self):
        parser = MarkdownParser()
        parser.parse(
            """
# Title

**bold** and *italic*

```
code block
```
"""
        )
        plain = parser.convert_to_plain_text()
        assert "# Title" in plain
        assert "bold" in plain
        assert "code block" in plain

    def test_from_file_method(self, tmp_path):
        md_file = tmp_path / "test.md"
        md_file.write_text("# Test File\n\nContent here")

        parser = MarkdownParser.from_file(str(md_file))
        assert "# Test File" in parser.content

    def test_get_table_of_contents(self):
        parser = MarkdownParser()
        parser.parse(
            """
# Main Title
## Section 1
### Subsection 1.1
## Section 2
"""
        )
        toc = parser.get_table_of_contents()
        assert len(toc) == 4
        assert toc[0]["level"] == 1
        assert toc[0]["text"] == "Main Title"


class TestCodeBlock:
    """Test CodeBlock dataclass"""

    def test_code_block_creation(self):
        from utils.markdown_parser import CodeBlock

        block = CodeBlock(
            language="python", content="print('hello')", start_line=1, end_line=3
        )
        assert block.language == "python"
        assert block.content == "print('hello')"


if __name__ == "__main__":
    pytest.main([__file__, "-v"])