#!/usr/bin/env python3
"""Offline checks for the architecture package; no cloud calls or provisioning."""
from pathlib import Path
import re, sys
root = Path(__file__).parents[1]

def get_file_path(filename):
    search_dirs = [
        root / "deliverables" / "as-is",
        root / "deliverables" / "target",
        root / "deliverables" / "validation",
        root / "deliverables" / "guides",
        root / "deliverables",
        root / "docs",
        root,
    ]
    for d in search_dirs:
        candidate = d / filename
        if candidate.is_file():
            return candidate
    return root / "deliverables" / "guides" / filename

required_files = [
    get_file_path("requirements.md"),
    get_file_path("architecture.md"),
    get_file_path("architecture.mmd"),
    get_file_path("solution-architecture-guide.md"),
    root / "terraform" / "main.tf",
    root / "terraform" / "variables.tf",
]

missing = [str(p.relative_to(root)) for p in required_files if not p.is_file()]

guide_path = get_file_path("solution-architecture-guide.md")
if guide_path.is_file():
    text = guide_path.read_text(encoding="utf-8")
    checks = ["Functional requirements", "Selected products", "Validation results", "Terraform", "Mermaid"]
    missing += [f"guide section: {x}" for x in checks if x not in text]
else:
    missing.append("solution-architecture-guide.md")

mmd_path = get_file_path("architecture.mmd")
if mmd_path.is_file():
    if not re.search(r"flowchart|graph", mmd_path.read_text(encoding="utf-8")):
        missing.append("Mermaid graph")

if missing:
    print("FAIL: " + ", ".join(missing)); sys.exit(1)
print("PASS: required architecture artifacts and guide sections are present")