"""Tests for UI inspection mixin (dump, find, wait, tap_text)."""

from tests.conftest import fail, ok

SAMPLE_UI_XML = """<?xml version="1.0" encoding="UTF-8"?>
<hierarchy>
  <node text="Settings" class="android.widget.TextView"
        resource-id="com.android.settings:id/title"
        bounds="[0,100][200,150]" clickable="true" focusable="true"
        content-desc="" />
  <node text="" class="android.widget.ImageView"
        resource-id="com.android.settings:id/icon"
        bounds="[0,50][48,98]" clickable="false" focusable="false"
        content-desc="Settings icon" />
  <node text="Wi-Fi" class="android.widget.TextView"
        resource-id="com.android.settings:id/title"
        bounds="[200,100][400,150]" clickable="true" focusable="false"
        content-desc="" />
</hierarchy>
"""


class TestUiDump:
    async def test_dump(self, server, ctx):
        server.run_shell_args.side_effect = [
            ok(),  # uiautomator dump
            ok(stdout=SAMPLE_UI_XML),  # cat
            ok(),  # rm cleanup
        ]
        result = await server.ui_dump(ctx)
        assert result["success"] is True
        assert result["element_count"] >= 2  # Settings + Wi-Fi at minimum
        assert "xml" in result

    async def test_dump_failure(self, server, ctx):
        server.run_shell_args.return_value = fail("error")
        result = await server.ui_dump(ctx)
        assert result["success"] is False


class TestParseUiElements:
    def test_parse_clickable(self, server):
        elements = server._parse_ui_elements(SAMPLE_UI_XML)
        texts = [e["text"] for e in elements]
        assert "Settings" in texts
        assert "Wi-Fi" in texts

    def test_center_coordinates(self, server):
        elements = server._parse_ui_elements(SAMPLE_UI_XML)
        settings = [e for e in elements if e["text"] == "Settings"][0]
        assert settings["center"] == {"x": 100, "y": 125}

    def test_content_desc_included(self, server):
        elements = server._parse_ui_elements(SAMPLE_UI_XML)
        icon = [e for e in elements if e["content_desc"] == "Settings icon"]
        assert len(icon) == 1

    def test_empty_xml(self, server):
        elements = server._parse_ui_elements("")
        assert elements == []


class TestUiFindElement:
    async def test_find_by_text(self, server):
        server.run_shell_args.side_effect = [ok(), ok(stdout=SAMPLE_UI_XML), ok()]
        result = await server.ui_find_element(text="Settings")
        assert result["success"] is True
        assert result["count"] == 1
        assert result["matches"][0]["text"] == "Settings"

    async def test_find_by_resource_id(self, server):
        server.run_shell_args.side_effect = [ok(), ok(stdout=SAMPLE_UI_XML), ok()]
        result = await server.ui_find_element(resource_id="title")
        # Settings and Wi-Fi both have "title" in their resource-id
        assert result["count"] >= 2

    async def test_not_found(self, server):
        server.run_shell_args.side_effect = [ok(), ok(stdout=SAMPLE_UI_XML), ok()]
        result = await server.ui_find_element(text="Missing")
        assert result["success"] is True
        assert result["count"] == 0


class TestWaitForText:
    async def test_found_immediately(self, server):
        server.run_shell_args.side_effect = [ok(), ok(stdout=SAMPLE_UI_XML), ok()]
        result = await server.wait_for_text("Settings", timeout_seconds=1)
        assert result["success"] is True
        assert result["found"] is True
        assert result["attempts"] == 1

    async def test_timeout(self, server):
        server.run_shell_args.side_effect = [
            ok(),
            ok(stdout="<hierarchy></hierarchy>"),
            ok(),
        ] * 10
        result = await server.wait_for_text(
            "Missing", timeout_seconds=0.1, poll_interval=0.05
        )
        assert result["success"] is False
        assert result["found"] is False


class TestWaitForTextGone:
    async def test_already_gone(self, server):
        server.run_shell_args.side_effect = [
            ok(),
            ok(stdout="<hierarchy></hierarchy>"),
            ok(),
        ]
        result = await server.wait_for_text_gone("Missing", timeout_seconds=1)
        assert result["success"] is True
        assert result["gone"] is True


class TestTapText:
    async def test_tap_found(self, server):
        # find_element calls ui_dump which has 3 calls, then tap has 1
        server.run_shell_args.side_effect = [
            ok(),
            ok(stdout=SAMPLE_UI_XML),
            ok(),  # ui_dump for find
            ok(),  # tap
        ]
        result = await server.tap_text("Settings")
        assert result["success"] is True
        assert result["coordinates"] == {"x": 100, "y": 125}

    async def test_not_found(self, server):
        server.run_shell_args.side_effect = [
            ok(),
            ok(stdout=SAMPLE_UI_XML),
            ok(),  # first search by text
            ok(),
            ok(stdout=SAMPLE_UI_XML),
            ok(),  # fallback search by content_desc
        ]
        result = await server.tap_text("NonExistent")
        assert result["success"] is False
        assert "No element found" in result["error"]