from __future__ import annotations

import os
from pathlib import Path

import pytest


def test_v2_self_bootstrap_status_document_exists():
    """Test that the V2 self-bootstrap status document exists."""
    docs_dir = Path(__file__).parent.parent / "docs"
    status_file = docs_dir / "v2_self_bootstrap_status.md"
    
    assert status_file.exists(), "V2 self-bootstrap status document does not exist"
    assert status_file.is_file(), "V2 self-bootstrap status document is not a file"


def test_v2_self_bootstrap_status_required_sections():
    """Test that the V2 self-bootstrap status document contains all required sections."""
    docs_dir = Path(__file__).parent.parent / "docs"
    status_file = docs_dir / "v2_self_bootstrap_status.md"
    
    assert status_file.exists(), "V2 self-bootstrap status document does not exist"
    
    content = status_file.read_text(encoding="utf-8")
    
    required_sections = [
        "Candidate V2 Branch Summary",
        "Commits",
        "Tests",
        "Verification Results",
        "Known Issues",
        "Unfinished Tasks",
        "Lineage Fields"
    ]
    
    for section in required_sections:
        assert section in content, f"Required section '{section}' not found in document"


def test_v2_self_bootstrap_status_lineage_fields():
    """Test that the lineage fields section contains required fields."""
    docs_dir = Path(__file__).parent.parent / "docs"
    status_file = docs_dir / "v2_self_bootstrap_status.md"
    
    assert status_file.exists(), "V2 self-bootstrap status document does not exist"
    
    content = status_file.read_text(encoding="utf-8")
    
    # Check that lineage fields section exists and contains required fields
    assert "Lineage Fields" in content, "Lineage Fields section not found"
    
    # Extract the lineage fields section
    lineage_section_start = content.find("## Lineage Fields")
    assert lineage_section_start != -1, "Lineage Fields section header not found"
    
    # Find the end of the section (next ## or end of file)
    next_section_start = content.find("## ", lineage_section_start + 1)
    if next_section_start == -1:
        lineage_section = content[lineage_section_start:]
    else:
        lineage_section = content[lineage_section_start:next_section_start]
    
    required_lineage_fields = [
        "Parent Branch",
        "Base Commit",
        "Candidate Version",
        "Created By",
        "Status"
    ]
    
    for field in required_lineage_fields:
        assert field in lineage_section, f"Required lineage field '{field}' not found in Lineage Fields section"