"""Tests for the script component's config validation."""

from typing import Any
from unittest.mock import AsyncMock, patch

import pytest

from esphome import automation
from esphome.components.const import CONF_ON_STOP
from esphome.components.script import (
    CONF_SCRIPT_STOP,
    SingleScript,
    default_script_stop_ids,
    to_code,
)
import esphome.config_validation as cv
from esphome.const import CONF_ID, CONF_MODE, CONF_PARAMETERS, CONF_THEN
from esphome.core import ID
from esphome.cpp_generator import MockObj


def test_bare_script_stop_defaults_to_enclosing_script() -> None:
    config = [
        {
            CONF_ID: "my_script",
            CONF_THEN: [
                CONF_SCRIPT_STOP,
                {CONF_SCRIPT_STOP: None},
                {CONF_SCRIPT_STOP: {}},
                {CONF_SCRIPT_STOP: "other_script"},
                {CONF_SCRIPT_STOP: {CONF_ID: "other_script"}},
                {"if": {"condition": "x", CONF_THEN: [CONF_SCRIPT_STOP]}},
            ],
            "on_stop": [{CONF_SCRIPT_STOP: None}],
        },
        {CONF_ID: "second", CONF_THEN: [CONF_SCRIPT_STOP]},
    ]

    result = default_script_stop_ids(config)

    assert result[0][CONF_THEN] == [
        {CONF_SCRIPT_STOP: {CONF_ID: "my_script"}},
        {CONF_SCRIPT_STOP: {CONF_ID: "my_script"}},
        {CONF_SCRIPT_STOP: {CONF_ID: "my_script"}},
        {CONF_SCRIPT_STOP: "other_script"},
        {CONF_SCRIPT_STOP: {CONF_ID: "other_script"}},
        {
            "if": {
                "condition": "x",
                CONF_THEN: [{CONF_SCRIPT_STOP: {CONF_ID: "my_script"}}],
            }
        },
    ]
    assert result[0]["on_stop"] == [{CONF_SCRIPT_STOP: {CONF_ID: "my_script"}}]
    assert result[1][CONF_THEN] == [{CONF_SCRIPT_STOP: {CONF_ID: "second"}}]
    # The input is not modified
    assert config[1][CONF_THEN] == [CONF_SCRIPT_STOP]


def test_unchanged_script_config_is_not_copied() -> None:
    then = [{"logger.log": "hello"}]
    config = [{CONF_ID: "my_script", CONF_THEN: then}]

    result = default_script_stop_ids(config)

    assert result[0] is config[0]
    assert result[0][CONF_THEN] is then


def test_script_stop_without_id_outside_script_is_invalid() -> None:
    with pytest.raises(cv.Invalid, match="can only be used inside a script"):
        automation.validate_action(CONF_SCRIPT_STOP)


def test_script_stop_with_id_is_valid() -> None:
    result = automation.validate_action({CONF_SCRIPT_STOP: "my_script"})

    assert result[CONF_SCRIPT_STOP][CONF_ID].id == "my_script"


@pytest.mark.parametrize(
    "value",
    [
        pytest.param("my_script", id="not_a_list_or_mapping"),
        pytest.param({CONF_THEN: [CONF_SCRIPT_STOP]}, id="mapping_without_id"),
        pytest.param(["my_script", {CONF_THEN: [CONF_SCRIPT_STOP]}], id="no_id"),
    ],
)
def test_script_stop_ids_left_alone_without_script_id(value: Any) -> None:
    assert default_script_stop_ids(value) == value


def test_bare_script_stop_in_single_script_mapping() -> None:
    config = {CONF_ID: "my_script", CONF_THEN: [CONF_SCRIPT_STOP]}

    result = default_script_stop_ids(config)

    assert result[CONF_THEN] == [{CONF_SCRIPT_STOP: {CONF_ID: "my_script"}}]


@pytest.mark.asyncio
async def test_on_stop_builds_stop_trigger_automation() -> None:
    stop_conf = {CONF_THEN: []}
    config = [
        {
            CONF_ID: ID("my_script", is_declaration=True, type=SingleScript),
            CONF_MODE: "single",
            CONF_PARAMETERS: {},
            CONF_THEN: [],
            CONF_ON_STOP: stop_conf,
        },
        {
            CONF_ID: ID("other_script", is_declaration=True, type=SingleScript),
            CONF_MODE: "single",
            CONF_PARAMETERS: {},
            CONF_THEN: [],
        },
    ]
    with (
        patch("esphome.codegen.new_Pvariable") as new_pvariable,
        patch("esphome.codegen.add"),
        patch("esphome.codegen.add_define") as add_define,
        patch(
            "esphome.automation.build_automation", new_callable=AsyncMock
        ) as build_automation,
    ):
        new_pvariable.side_effect = lambda id_, *args: MockObj(id_.id, "->")
        await to_code(config)

    add_define.assert_called_once_with("USE_SCRIPT_ON_STOP")

    assert [
        (str(c.args[0]), *c.args[1:]) for c in build_automation.await_args_list
    ] == [
        ("my_script", [], config[0]),
        ("my_script->get_stop_trigger()", [], stop_conf),
        ("other_script", [], config[1]),
    ]


@pytest.mark.asyncio
async def test_no_on_stop_define_without_on_stop() -> None:
    config = [
        {
            CONF_ID: ID("my_script", is_declaration=True, type=SingleScript),
            CONF_MODE: "single",
            CONF_PARAMETERS: {},
            CONF_THEN: [],
        }
    ]
    with (
        patch("esphome.codegen.new_Pvariable") as new_pvariable,
        patch("esphome.codegen.add"),
        patch("esphome.codegen.add_define") as add_define,
        patch("esphome.automation.build_automation", new_callable=AsyncMock),
    ):
        new_pvariable.side_effect = lambda id_, *args: MockObj(id_.id, "->")
        await to_code(config)

    add_define.assert_not_called()