from unittest.mock import patch

import pytest
from homeassistant.config_entries import SOURCE_USER
from homeassistant.core import HomeAssistant

from custom_components.room_cal_ha.const import (
  CONF_CALDAV_ENABLED,
  CONF_CALDAV_URL,
  CONF_CALENDAR_NAME,
  CONF_CURRENT_NAME,
  CONF_NEXT_NAME,
  CONF_ROOM_STATE_NAME,
  DEFAULT_CURRENT_NAME,
  DEFAULT_NEXT_NAME,
  DEFAULT_ROOM_STATE_NAME,
  DOMAIN,
)


async def test_user_step_shows_defaults(hass: HomeAssistant):
  result = await hass.config_entries.flow.async_init(
    DOMAIN, context={"source": SOURCE_USER}
  )
  assert result["type"] == "form"
  assert result["step_id"] == "user"
  schema = result["data_schema"].schema
  keys = {str(k): k for k in schema}
  assert keys[CONF_ROOM_STATE_NAME].default() == DEFAULT_ROOM_STATE_NAME
  assert keys[CONF_CURRENT_NAME].default() == DEFAULT_CURRENT_NAME
  assert keys[CONF_NEXT_NAME].default() == DEFAULT_NEXT_NAME


async def test_user_step_creates_entry(hass: HomeAssistant):
  result = await hass.config_entries.flow.async_init(
    DOMAIN, context={"source": SOURCE_USER}
  )
  result = await hass.config_entries.flow.async_configure(
    result["flow_id"],
    user_input={
      CONF_ROOM_STATE_NAME: "My Room",
      CONF_CURRENT_NAME: "Staying Now",
      CONF_NEXT_NAME: "Coming Up",
    },
  )
  assert result["type"] == "create_entry"
  assert result["data"][CONF_ROOM_STATE_NAME] == "My Room"
  assert result["data"][CONF_CURRENT_NAME] == "Staying Now"
  assert result["data"][CONF_NEXT_NAME] == "Coming Up"


async def test_options_flow_caldav_disabled(hass: HomeAssistant, mock_entry):
  mock_entry.add_to_hass(hass)
  result = await hass.config_entries.options.async_init(mock_entry.entry_id)
  assert result["type"] == "form"
  assert result["step_id"] == "caldav"

  result = await hass.config_entries.options.async_configure(
    result["flow_id"],
    user_input={CONF_CALDAV_ENABLED: False, CONF_CALDAV_URL: "", CONF_CALENDAR_NAME: ""},
  )
  assert result["type"] == "create_entry"
  assert result["data"][CONF_CALDAV_ENABLED] is False


async def test_options_flow_caldav_enabled_tests_connection(hass: HomeAssistant, mock_entry):
  mock_entry.add_to_hass(hass)
  result = await hass.config_entries.options.async_init(mock_entry.entry_id)

  with patch(
    "custom_components.room_cal_ha.config_flow._test_caldav_auth",
    return_value=None,
  ):
    result = await hass.config_entries.options.async_configure(
      result["flow_id"],
      user_input={
        CONF_CALDAV_ENABLED: True,
        CONF_CALDAV_URL: "https://cal.example.com",
        CONF_CALENDAR_NAME: "Room",
      },
    )
  assert result["type"] == "create_entry"
  assert result["data"][CONF_CALDAV_ENABLED] is True


async def test_options_flow_bad_credentials_shows_error(hass: HomeAssistant, mock_entry):
  import caldav.lib.error as caldav_error

  mock_entry.add_to_hass(hass)
  result = await hass.config_entries.options.async_init(mock_entry.entry_id)

  with patch(
    "custom_components.room_cal_ha.config_flow._test_caldav_auth",
    side_effect=caldav_error.AuthorizationError,
  ):
    result = await hass.config_entries.options.async_configure(
      result["flow_id"],
      user_input={
        CONF_CALDAV_ENABLED: True,
        CONF_CALDAV_URL: "https://cal.example.com",
        CONF_CALENDAR_NAME: "Room",
      },
    )
  assert result["type"] == "form"
  assert result["errors"]["base"] == "invalid_auth"