"""Tests for the catalog > bundled resolver."""

from __future__ import annotations

import json
from pathlib import Path

import pytest


def _manifest(name: str = "fileshare") -> dict:
    return {
        "name": name,
        "display_name": "Fileshare",
        "version": "0.1.0",
        "description": "x",
        "volumes": [],
        "ports": [],
        "icon": "icon.svg",
    }


@pytest.fixture
def sources_mod(tmp_path, monkeypatch):
    monkeypatch.setenv("FURTKA_CATALOG_DIR", str(tmp_path / "catalog"))
    monkeypatch.setenv("FURTKA_BUNDLED_APPS_DIR", str(tmp_path / "bundled"))

    import importlib

    from furtka import paths as p
    from furtka import sources as s

    importlib.reload(p)
    importlib.reload(s)
    return s


def _seed_app(root: Path, name: str, manifest: dict | None = None) -> Path:
    folder = root / name
    folder.mkdir(parents=True)
    (folder / "manifest.json").write_text(json.dumps(manifest or _manifest(name)))
    return folder


def test_resolve_app_name_returns_none_when_absent(sources_mod):
    assert sources_mod.resolve_app_name("nope") is None


def test_resolve_app_name_prefers_catalog_over_bundled(sources_mod, tmp_path):
    _seed_app(tmp_path / "catalog" / "apps", "fileshare")
    _seed_app(tmp_path / "bundled", "fileshare")

    result = sources_mod.resolve_app_name("fileshare")
    assert result is not None
    assert result.origin == "catalog"
    assert result.path.parent.name == "apps"
    assert result.path.parent.parent.name == "catalog"


def test_resolve_app_name_falls_back_to_bundled(sources_mod, tmp_path):
    _seed_app(tmp_path / "bundled", "fileshare")

    result = sources_mod.resolve_app_name("fileshare")
    assert result is not None
    assert result.origin == "bundled"


def test_resolve_app_name_ignores_folder_without_manifest(sources_mod, tmp_path):
    # Empty folder is not a valid app even if the name matches.
    (tmp_path / "catalog" / "apps" / "fileshare").mkdir(parents=True)
    _seed_app(tmp_path / "bundled", "fileshare")

    result = sources_mod.resolve_app_name("fileshare")
    # Catalog entry without manifest is skipped; bundled wins.
    assert result.origin == "bundled"


def test_list_available_unions_catalog_and_bundled(sources_mod, tmp_path):
    _seed_app(tmp_path / "catalog" / "apps", "fileshare")
    _seed_app(tmp_path / "bundled", "otherapp")

    names = {s.path.name: s.origin for s in sources_mod.list_available()}
    assert names == {"fileshare": "catalog", "otherapp": "bundled"}


def test_list_available_catalog_wins_on_collision(sources_mod, tmp_path):
    _seed_app(tmp_path / "catalog" / "apps", "fileshare")
    _seed_app(tmp_path / "bundled", "fileshare")

    entries = sources_mod.list_available()
    assert len(entries) == 1
    assert entries[0].origin == "catalog"


def test_list_available_empty_when_neither_exists(sources_mod):
    assert sources_mod.list_available() == []


def test_list_available_skips_non_dirs_and_no_manifest(sources_mod, tmp_path):
    # A plain file in catalog/apps and an empty dir in bundled — both ignored.
    cat_root = tmp_path / "catalog" / "apps"
    cat_root.mkdir(parents=True)
    (cat_root / "not-a-dir.txt").write_text("x")
    (tmp_path / "bundled" / "emptyapp").mkdir(parents=True)
    _seed_app(tmp_path / "bundled", "realapp")

    entries = sources_mod.list_available()
    assert [e.path.name for e in entries] == ["realapp"]