"""Scope file reader + materializer tests."""

from __future__ import annotations

import json

from cloud_sync.scope import (
    DEFAULT_EXCLUDE,
    DEFAULT_INCLUDE,
    Scope,
    load,
    materialize_for_restic,
)


def test_load_missing_returns_defaults(tmp_path):
    s = load(tmp_path)
    assert s.include == DEFAULT_INCLUDE
    assert s.exclude == DEFAULT_EXCLUDE


def test_load_valid_overrides_defaults(tmp_path):
    state = tmp_path / ".cloud-sync"
    state.mkdir()
    (state / "scope.json").write_text(json.dumps({
        "include": ["foo/", "bar.txt"],
        "exclude": ["**/*.log"],
    }))
    s = load(tmp_path)
    assert s.include == ["foo/", "bar.txt"]
    assert s.exclude == ["**/*.log"]


def test_load_partial_keeps_defaults_for_missing(tmp_path):
    state = tmp_path / ".cloud-sync"
    state.mkdir()
    (state / "scope.json").write_text(json.dumps({"include": ["just-this"]}))
    s = load(tmp_path)
    assert s.include == ["just-this"]
    assert s.exclude == DEFAULT_EXCLUDE


def test_load_invalid_falls_back(tmp_path, capsys):
    state = tmp_path / ".cloud-sync"
    state.mkdir()
    (state / "scope.json").write_text("{not valid json")
    s = load(tmp_path)
    assert s.include == DEFAULT_INCLUDE
    captured = capsys.readouterr()
    assert "invalid" in captured.err.lower()


def test_materialize_writes_files(tmp_path):
    scope = Scope(include=["config/", "options.txt"], exclude=["**/*.log"])
    files_from, exclude_from = materialize_for_restic(tmp_path, scope)
    assert files_from.exists()
    assert exclude_from.exists()
    body_in = files_from.read_text().splitlines()
    body_ex = exclude_from.read_text().splitlines()
    # trailing slash stripped on include entries
    assert "config" in body_in
    assert "options.txt" in body_in
    assert "**/*.log" in body_ex


def test_materialize_creates_state_dir(tmp_path):
    scope = Scope(include=["x"], exclude=["y"])
    files_from, _ = materialize_for_restic(tmp_path, scope)
    assert files_from.parent.name == ".cloud-sync"
    assert files_from.parent.exists()