"""A hint, OCR label and real editable value are different kinds of proof."""

from types import SimpleNamespace

import pytest

from artemis.drivers.android.hierarchy import parse_ui_hierarchy
from artemis.utils.action_target import observation_anchor
from artemis.utils.input_state import input_state, verify_input
from artemis.utils.ui_filter import filter_ui_hierarchy
from artemis.utils.visualization import format_minimal_list_with_elements


@pytest.mark.parametrize(
    ("extra", "status"),
    [
        ({"text": "example", "hint": "example", "showing-hint-text": "true"}, "empty"),
        ({"text": "example", "hint": "example"}, "unknown"),
        ({"text": "example", "hint": "example", "showing-hint-text": "false"}, "present"),
        ({"text": "", "hint": "example"}, "empty"),
        ({"hint": "example"}, "unknown"),
        ({"text": "actual"}, "present"),
    ],
)
def test_editable_value_evidence(extra, status):
    evidence = input_state({"class": "android.widget.EditText", **extra})
    assert evidence["input_value_state"] == status
    if status != "present":
        assert evidence["input_value"] in (None, "")


def test_static_json_and_ocr_cannot_prove_input():
    static = {"class": "android.widget.TextView", "text": '{"pairing":"example"}'}
    assert input_state(static) == {}
    node = {
        "class": "android.widget.EditText",
        "text": "",
        "hint": "example",
        "bounds": "[0,0][100,100]",
        "ocr_elements": [{"text": "example", "bounds": [0, 0, 100, 100]}],
    }
    lines, indexed, _ = format_minimal_list_with_elements([node], 100, 100)
    assert len(indexed) == 1
    assert indexed[0]["input_value_state"] == "empty"
    assert "Hint:" in lines


def test_filter_keeps_empty_input_and_does_not_promote_child_hint():
    node = {
        "class": "android.widget.EditText",
        "editable": True,
        "text": "",
        "bounds": "[0,0][100,100]",
        "children": [
            {"class": "android.widget.TextView", "text": "example", "bounds": "[0,0][100,100]"}
        ],
    }
    filtered = filter_ui_hierarchy([node])
    assert filtered[0]["text"] == ""
    assert input_state(filtered[0])["input_value_state"] == "empty"


def test_fresh_value_must_belong_to_the_actual_input():
    node = {
        "class": "android.widget.EditText",
        "resource-id": "pair",
        "text": "actual",
        "focused": True,
    }
    assert verify_input([node], {"target_resource_id": "pair"}) == "present"
    assert verify_input([node], {"target_resource_id": "other"}) == "unknown"
    assert verify_input([{**node, "password": True}]) == "unknown"


def test_driver_parser_keeps_showing_hint_and_empty_editable_nodes():
    nodes = parse_ui_hierarchy(
        '<hierarchy><node class="android.widget.EditText" bounds="[0,0][100,100]" editable="true" text="example" hint="example" showing-hint-text="true" focused="true"/></hierarchy>'
    )
    assert len(nodes) == 1
    assert nodes[0]["input_value"] == ""
    assert nodes[0]["input_value_state"] == "empty"
    assert nodes[0]["focused"] is True


def test_past_anchor_does_not_change_when_index_is_reused():
    state = SimpleNamespace(
        latest_screenshot="before.png", indexed_elements=[{"text": "Connect", "center": [1, 2]}]
    )
    old = observation_anchor(state)
    state.latest_screenshot = "after.png"
    state.indexed_elements = [{"text": "Keyboard key", "center": [3, 4]}]
    assert old["target_image_name"] == "before"
    assert observation_anchor(state)["target_snapshot_id"] != old["target_snapshot_id"]