"""Unit tests for knoe.core.onepassword — mocks the op CLI subprocess calls."""
from __future__ import annotations

import json
from unittest.mock import MagicMock, patch

import pytest

from knoe.core.onepassword import (
    op_available,
    ensure_op_signed_in,
    ensure_knoey_vault,
    get_secret,
    set_secret,
    get_administrator_password,
    ensure_administrator_secret,
)


def _make_result(returncode: int = 0, stdout: str = "", stderr: str = "") -> MagicMock:
    m = MagicMock()
    m.returncode = returncode
    m.stdout = stdout
    m.stderr = stderr
    return m


class TestOpAvailable:
    def test_found(self):
        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"):
            assert op_available() is True

    def test_not_found(self):
        with patch("knoe.core.onepassword.shutil.which", return_value=None):
            assert op_available() is False


class TestEnsureOpSignedIn:
    def test_already_signed_in(self):
        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run", return_value=_make_result(0)):
            ensure_op_signed_in()

    def test_not_signed_in_triggers_signin(self):
        calls = []

        def fake_run(cmd, **_):
            calls.append(cmd)
            if "whoami" in cmd:
                return _make_result(1)
            return _make_result(0)

        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run", side_effect=fake_run):
            ensure_op_signed_in()

        assert any("signin" in c for c in calls)

    def test_raises_when_op_missing(self):
        with patch("knoe.core.onepassword.shutil.which", return_value=None):
            with pytest.raises(RuntimeError, match="1Password CLI"):
                ensure_op_signed_in()


class TestEnsureKnoeyVault:
    def test_vault_already_exists(self):
        vaults = json.dumps([{"name": "knoey"}, {"name": "Personal"}])

        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run",
                   return_value=_make_result(0, vaults)):
            ensure_knoey_vault()

    def test_vault_created_when_absent(self):
        vaults = json.dumps([{"name": "Personal"}])
        calls = []

        def fake_run(cmd, **_):
            calls.append(list(cmd))
            return _make_result(0, vaults if "list" in cmd else "")

        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run", side_effect=fake_run):
            ensure_knoey_vault()

        assert any("create" in c and "knoey" in c for c in calls)


class TestGetSecret:
    def test_returns_value(self):
        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run",
                   return_value=_make_result(0, "mysecret")):
            result = get_secret("administrator")
        assert result == "mysecret"

    def test_returns_empty_on_failure(self):
        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run",
                   return_value=_make_result(1, "")):
            result = get_secret("administrator")
        assert result == ""


class TestSetSecret:
    def test_edits_existing_item(self):
        calls = []

        def fake_run(cmd, **_):
            calls.append(list(cmd))
            return _make_result(0)

        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run", side_effect=fake_run):
            set_secret("administrator", "password", "newpassword")

        assert any("edit" in c for c in calls)

    def test_creates_new_item(self):
        calls = []

        def fake_run(cmd, **_):
            calls.append(list(cmd))
            if "get" in cmd:
                return _make_result(1)
            return _make_result(0)

        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run", side_effect=fake_run):
            set_secret("administrator", "password", "newpassword")

        assert any("create" in c for c in calls)


class TestGetAdministratorPassword:
    def test_delegates_to_get_secret(self):
        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run",
                   return_value=_make_result(0, "adminpass")):
            result = get_administrator_password()
        assert result == "adminpass"


class TestEnsureAdministratorSecret:
    def test_returns_existing(self):
        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run",
                   return_value=_make_result(0, "existingpass")):
            result = ensure_administrator_secret()
        assert result == "existingpass"

    def test_creates_when_missing(self):
        calls = []

        def fake_run(cmd, **_):
            calls.append(list(cmd))
            if "get" in cmd and "--fields" in cmd:
                return _make_result(0, "")
            if "get" in cmd:
                return _make_result(1)
            return _make_result(0)

        with patch("knoe.core.onepassword.shutil.which", return_value="/usr/bin/op"), \
             patch("knoe.core.onepassword.subprocess.run", side_effect=fake_run):
            result = ensure_administrator_secret()

        assert isinstance(result, str) and len(result) == 32
        assert any("create" in c for c in calls)