"""Integration tests for LangGraph StateGraph execution."""

import pytest
from app.workflows.gcp_architecture_graph import create_agent
from app.skills.loader import SkillLoader
from app.config import get_settings


def test_agent_graph_execution():
    """Verify execution of the 4-phase LangGraph StateGraph."""
    settings = get_settings()
    loader = SkillLoader(settings.SKILLS_DIR)
    loader.load_skills()

    agent = create_agent(loader)
    initial_state = {
        "workflow_request": "Event-driven regional HTTP application",
        "target_dir": ".",
        "active_skills": [],
    }

    final_state = agent.invoke(initial_state)

    assert final_state.get("current_phase") == "package"
    assert final_state.get("source_discovery_doc") is not None
    assert final_state.get("source_mermaid_diagram") is not None
    assert final_state.get("requirements_doc") is not None
    assert final_state.get("architecture_doc") is not None
    assert final_state.get("mermaid_diagram") is not None
    assert final_state.get("terraform_code") is not None
    assert final_state.get("validation_results") is not None
    assert final_state.get("solution_guide") is not None
    assert final_state.get("validation_passed") is True
    assert len(final_state.get("active_skills", [])) == 5