"""Echo 节点测试。

覆盖直接文本、绝对/相对文件 URI、默认文本和入口点启动等真实代码路径。
"""

import runpy
from pathlib import Path

from wov_node_echo.__main__ import invoke
from wov_sdk.models import InvokeRequest


def test_invoke_text(tmp_path) -> None:
    """验证直接传入 text 时节点原样写出文本。"""
    response = invoke(
        InvokeRequest(
            run_id="run_1",
            node_instance_id="ni_1",
            inputs={"text": "hello echo"},
            output_dir=str(tmp_path),
        )
    )
    assert response.status == "completed"
    assert response.outputs["text"] == "hello echo"
    assert Path(response.outputs["file_uri"]).read_text(encoding="utf-8") == "hello echo"


def test_invoke_absolute_file(tmp_path) -> None:
    """验证绝对路径 file_uri 的文件内容被读取为输入。"""
    source = tmp_path / "input.txt"
    source.write_text("from file", encoding="utf-8")
    response = invoke(
        InvokeRequest(
            run_id="run_2",
            node_instance_id="ni_2",
            inputs={"file_uri": str(source)},
            output_dir=str(tmp_path / "out"),
        )
    )
    assert response.status == "completed"
    assert response.outputs["text"] == "from file"


def test_invoke_relative_file(tmp_path, monkeypatch) -> None:
    """验证相对路径 file_uri 以节点仓库根目录为基准解析。"""
    node_root = Path(__file__).resolve().parent.parent
    source = node_root / "relative_input.txt"
    source.write_text("relative", encoding="utf-8")
    monkeypatch.chdir(node_root)
    try:
        response = invoke(
            InvokeRequest(
                run_id="run_3",
                node_instance_id="ni_3",
                inputs={"file_uri": "relative_input.txt"},
                output_dir=str(tmp_path / "out"),
            )
        )
    finally:
        source.unlink()
    assert response.status == "completed"
    assert response.outputs["text"] == "relative"


def test_invoke_default_text(tmp_path) -> None:
    """验证无任何输入时节点返回默认文本。"""
    response = invoke(
        InvokeRequest(
            run_id="run_4",
            node_instance_id="ni_4",
            inputs={},
            output_dir=str(tmp_path),
        )
    )
    assert response.status == "completed"
    assert response.outputs["text"] == "echo"


def test_main_entrypoint(monkeypatch, tmp_path) -> None:
    """验证 python -m wov_node_echo 会加载 echo manifest 并启动服务。"""
    module_path = Path(__file__).resolve().parent.parent / "wov_node_echo" / "__main__.py"
    captured = {}

    def fake_run_node(manifest, handler) -> None:
        captured["manifest"] = manifest
        assert manifest.id == "echo"

    monkeypatch.setattr("wov_sdk.server.run_node", fake_run_node)
    runpy.run_path(str(module_path), run_name="__main__")
    assert captured["manifest"].id == "echo"