from __future__ import annotations

from pathlib import Path
from unittest.mock import patch

import yaml

from reuse_surface.establish import (
    discover_capabilities,
    publish_check,
    scaffold_registry,
)
from reuse_surface.registry import registry_paths


def test_scaffold_creates_layout(tmp_path: Path):
    created = scaffold_registry(tmp_path, domain="helix_forge")
    paths = registry_paths(tmp_path)
    assert paths["index"] in created
    data = yaml.safe_load(paths["index"].read_text(encoding="utf-8"))
    assert data["capabilities"] == []
    assert data["domain"] == "helix_forge"


def test_scaffold_refuses_existing_without_force(tmp_path: Path):
    scaffold_registry(tmp_path)
    try:
        scaffold_registry(tmp_path)
        raise AssertionError("expected ValueError")
    except ValueError as exc:
        assert "already exists" in str(exc)


def test_publish_check_local_index(tmp_path: Path):
    scaffold_registry(tmp_path)
    result = publish_check(tmp_path)
    assert result["ok"] is True
    assert any(check["name"] == "local_index_yaml" for check in result["checks"])


def test_publish_check_raw_url_fail(tmp_path: Path):
    with patch(
        "reuse_surface.establish._probe_raw_url",
        return_value={"ok": False, "status": 303, "content_type": "text/html"},
    ):
        result = publish_check(
            tmp_path,
            raw_url="https://example.com/capabilities.yaml",
        )
    assert result["ok"] is False
    assert result.get("remediation")


def test_discover_dry_run_mock_llm(tmp_path: Path):
    scaffold_registry(tmp_path)
    (tmp_path / "README.md").write_text("# Demo service\n", encoding="utf-8")
    draft = {
        "domain": "helix_forge",
        "capabilities": [
            {
                "id": "capability.demo.sample",
                "name": "Sample",
                "summary": "Sample capability.",
                "owner": "demo",
                "vector": "D2 / A0 / C0 / R0",
                "tags": ["demo"],
                "consumption_modes": ["informational"],
                "discovery_intent": "Enable demo planning.",
            }
        ],
    }
    with patch(
        "reuse_surface.establish.request_registry_draft",
        return_value=draft,
    ):
        result = discover_capabilities(tmp_path, dry_run=True, apply=False)
    assert result["draft"]["capabilities"][0]["id"] == "capability.demo.sample"