"""Tests for the email-inbox-triage bundled skill."""
import re
from pathlib import Path

import yaml

SKILL_PATH = (
    Path(__file__).resolve().parents[2]
    / "skills"
    / "email"
    / "email-inbox-triage"
    / "SKILL.md"
)


def _frontmatter_and_body():
    content = SKILL_PATH.read_text(encoding="utf-8")
    assert content.startswith("---")
    m = re.search(r"\n---\s*\n", content[3:])
    assert m, "frontmatter must close with ---"
    fm = yaml.safe_load(content[3 : m.start() + 3])
    body = content[m.end() + 3 :]
    return fm, body


def test_skill_file_exists():
    assert SKILL_PATH.is_file()


def test_frontmatter_required_fields():
    fm, _ = _frontmatter_and_body()
    for field in ("name", "description", "version", "author", "license", "platforms"):
        assert field in fm, f"missing frontmatter field: {field}"
    assert fm["name"] == "email-inbox-triage"
    hermes = fm["metadata"]["hermes"]
    assert hermes["tags"]
    assert "related_skills" in hermes


def test_description_hardline():
    fm, _ = _frontmatter_and_body()
    desc = fm["description"]
    assert len(desc) <= 60, f"description is {len(desc)} chars; hardline is 60"
    assert desc.endswith(".")


def test_author_credits_human_first():
    fm, _ = _frontmatter_and_body()
    assert not fm["author"].startswith("Hermes Agent"), "human contributor must be credited first"
    assert "benbarclay" in fm["author"]


def test_related_skills_resolve_in_repo():
    fm, _ = _frontmatter_and_body()
    repo_root = SKILL_PATH.parents[3]
    for name in fm["metadata"]["hermes"]["related_skills"]:
        hits = (
            list(repo_root.glob(f"skills/*/{name}/SKILL.md"))
            + list(repo_root.glob(f"optional-skills/*/{name}/SKILL.md"))
            + list(repo_root.glob(f"skills/*/*/{name}/SKILL.md"))
        )
        assert hits, f"related_skills entry does not resolve in-repo: {name}"


def test_body_structure_and_size():
    _, body = _frontmatter_and_body()
    for section in ("## When to Use", "## Procedure", "## Pitfalls", "## Verification"):
        assert section in body, f"missing section: {section}"
    assert len(SKILL_PATH.read_text(encoding="utf-8")) <= 100_000


def test_no_machine_local_paths():
    content = SKILL_PATH.read_text(encoding="utf-8")
    assert "/home/" not in content
    assert not re.search(r"[A-Z]:\\\\Users", content)


def test_steps_have_completion_criteria():
    _, body = _frontmatter_and_body()
    steps = re.findall(r"^### \d+\..*?(?=^### \d+\.|^## )", body, re.MULTILINE | re.DOTALL)
    assert len(steps) >= 5
    for step in steps:
        assert "Done when" in step, f"step missing completion criterion: {step[:60]!r}"


def test_mutation_boundary_is_default_safe():
    _, body = _frontmatter_and_body()
    assert "read + draft" in body, "scope step must default to read+draft, not send/delete"
    assert "does not imply permission" in body