"""Tests for myagents.commands.uninstall."""

from pathlib import Path

import pytest
from click.testing import CliRunner

from myagents.commands import uninstall as un_mod


@pytest.fixture()
def fake_home(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> Path:
    home = tmp_path / "home"
    home.mkdir()
    monkeypatch.setattr(Path, "home", staticmethod(lambda: home))
    monkeypatch.setattr(un_mod, "_pip_uninstall", lambda: [])
    monkeypatch.setattr(
        "myagents.commands.completion_install.uninstall_completions",
        lambda progs, **kw: [],
    )
    return home


def _populate(home: Path) -> None:
    local_bin = home / ".local" / "bin"
    (local_bin / "completions").mkdir(parents=True)
    for name in ("xiaohe", "myclaude", "mytoolkit", "metabot", "mb"):
        (local_bin / name).write_text("#!/bin/sh\n")
    (local_bin / "completions" / "metabot").write_text("comp")
    (local_bin / "completions" / "_metabot").write_text("comp")
    (home / ".xiaohe" / "agent").mkdir(parents=True)
    (home / ".xiaohe" / "agent" / "config.json").write_text("{}")
    (home / "workspace").mkdir()
    app = home / "Desktop" / "Xiaohe Agent.app" / "Contents"
    app.mkdir(parents=True)


class TestUninstall:
    def test_removes_cli_layer_keeps_xiaohe_and_workspace(
        self, fake_home: Path
    ) -> None:
        _populate(fake_home)
        result = CliRunner().invoke(un_mod.uninstall_cmd, ["--yes"])
        assert result.exit_code == 0
        local_bin = fake_home / ".local" / "bin"
        assert not (local_bin / "xiaohe").exists()
        assert not (local_bin / "myclaude").exists()
        assert not (local_bin / "metabot").exists()
        assert not (local_bin / "completions").exists()  # empty dir cleaned
        assert not (fake_home / "Desktop" / "Xiaohe Agent.app").exists()
        assert (fake_home / ".xiaohe" / "agent" / "config.json").is_file()
        assert (fake_home / "workspace").is_dir()

    def test_all_removes_xiaohe_dir(self, fake_home: Path) -> None:
        _populate(fake_home)
        result = CliRunner().invoke(
            un_mod.uninstall_cmd, ["--all", "--yes"], input="y\ndelete-all\n"
        )
        assert result.exit_code == 0
        assert not (fake_home / ".xiaohe").exists()
        assert (fake_home / "workspace").is_dir()  # workspace never touched

    def test_all_requires_full_chain_even_with_yes(self, fake_home: Path) -> None:
        _populate(fake_home)
        # --yes skips only the first gate; declining the second cancels.
        result = CliRunner().invoke(
            un_mod.uninstall_cmd, ["--all", "--yes"], input="n\n"
        )
        assert result.exit_code == 0
        assert "Cancelled" in result.output
        assert (fake_home / ".xiaohe").exists()

    def test_all_aborts_on_wrong_phrase(self, fake_home: Path) -> None:
        _populate(fake_home)
        result = CliRunner().invoke(
            un_mod.uninstall_cmd, ["--all", "--yes"], input="y\nnope\n"
        )
        assert result.exit_code == 0
        assert "Cancelled" in result.output
        assert (fake_home / ".xiaohe").exists()

    def test_cancelled_keeps_everything(self, fake_home: Path) -> None:
        _populate(fake_home)
        result = CliRunner().invoke(un_mod.uninstall_cmd, [], input="n\n")
        assert result.exit_code == 0
        assert "Cancelled" in result.output
        assert (fake_home / ".local" / "bin" / "xiaohe").exists()