# Copyright 2023 Google LLC.
# Copyright (c) Microsoft Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import re

import pytest
from test_helpers import (
    ANY_SHARED_ID,
    execute_command,
    get_tree,
    goto_url,
    set_html_content,
)


@pytest.mark.asyncio
async def test_shared_id_in_same_realm_same_navigable(websocket, context_id, html):
    await goto_url(websocket, context_id, html("<div>some text</div>"))

    result = await execute_command(
        websocket,
        {
            "method": "script.evaluate",
            "params": {
                "expression": "document.querySelector('body > div');",
                "target": {"context": context_id},
                "awaitPromise": True,
            },
        },
    )

    shared_id = result["result"]["sharedId"]
    assert "UNKNOWN" not in shared_id

    result = await execute_command(
        websocket,
        {
            "method": "script.callFunction",
            "params": {
                "functionDeclaration": "(arg)=>arg",
                "this": {"type": "undefined"},
                "arguments": [{"sharedId": shared_id}],
                "awaitPromise": False,
                "target": {"context": context_id},
            },
        },
    )

    assert result["type"] == "success"
    assert result["result"]["sharedId"] == shared_id


@pytest.mark.asyncio
async def test_shared_id_without_navigation(websocket, context_id):
    await set_html_content(websocket, context_id, "<div>some text</div>")

    result = await execute_command(
        websocket,
        {
            "method": "script.evaluate",
            "params": {
                "expression": "document.querySelector('body > div');",
                "target": {"context": context_id},
                "awaitPromise": True,
            },
        },
    )

    shared_id = result["result"]["sharedId"]
    assert "UNKNOWN" not in shared_id

    result = await execute_command(
        websocket,
        {
            "method": "script.callFunction",
            "params": {
                "functionDeclaration": "(arg)=>arg",
                "this": {"type": "undefined"},
                "arguments": [{"sharedId": shared_id}],
                "awaitPromise": False,
                "target": {"context": context_id},
            },
        },
    )

    assert result["type"] == "success"
    assert result["result"]["sharedId"] == shared_id


@pytest.mark.asyncio
async def test_shared_id_in_different_realm_same_navigable(websocket, context_id, html):
    await goto_url(websocket, context_id, html("<div>some text</div>"))

    result = await execute_command(
        websocket,
        {
            "method": "script.evaluate",
            "params": {
                "expression": "document.querySelector('body > div');",
                "target": {"context": context_id, "sandbox": "SOME_SANDBOX"},
                "awaitPromise": True,
            },
        },
    )

    realm_1 = result["realm"]
    shared_id = result["result"]["sharedId"]

    result = await execute_command(
        websocket,
        {
            "method": "script.callFunction",
            "params": {
                "functionDeclaration": "(arg)=>arg",
                "this": {"type": "undefined"},
                "arguments": [{"sharedId": shared_id}],
                "awaitPromise": False,
                "target": {"context": context_id, "sandbox": "ANOTHER_SANDBOX"},
            },
        },
    )

    assert result["realm"] != realm_1
    assert result["type"] == "success"
    assert result["result"]["sharedId"] == shared_id


@pytest.mark.asyncio
async def test_shared_id_in_different_navigable(websocket, context_id, html):
    await goto_url(websocket, context_id, html("<div>some text</div>"))

    result = await execute_command(
        websocket,
        {
            "method": "script.evaluate",
            "params": {
                "expression": "document.querySelector('body > div');",
                "target": {"context": context_id},
                "awaitPromise": True,
            },
        },
    )

    shared_id = result["result"]["sharedId"]

    await goto_url(websocket, context_id, html("some other page"))

    with pytest.raises(
        Exception,
        match=re.compile(
            str(
                {
                    "error": "no such node",
                    "message": 'SharedId ".*" belongs to different document. Current document is .*',
                }
            )
        ),
    ):
        await execute_command(
            websocket,
            {
                "method": "script.callFunction",
                "params": {
                    "functionDeclaration": "(arg)=>arg",
                    "this": {"type": "undefined"},
                    "arguments": [{"sharedId": shared_id}],
                    "awaitPromise": False,
                    "target": {"context": context_id},
                },
            },
        )


@pytest.mark.asyncio
async def test_shared_id_not_found(websocket, context_id, html):
    await goto_url(websocket, context_id, html("<div>some text</div>"))

    result = await execute_command(
        websocket,
        {
            "method": "script.evaluate",
            "params": {
                "expression": "document.querySelector('body > div');",
                "target": {"context": context_id},
                "awaitPromise": True,
            },
        },
    )

    shared_id = result["result"]["sharedId"] + "9999"

    with pytest.raises(
        Exception,
        match=re.compile(
            str({"error": "no such node", "message": 'SharedId ".*" was not found.'})
        ),
    ):
        await execute_command(
            websocket,
            {
                "method": "script.callFunction",
                "params": {
                    "functionDeclaration": "(arg)=>arg",
                    "this": {"type": "undefined"},
                    "arguments": [{"sharedId": shared_id}],
                    "awaitPromise": False,
                    "target": {"context": context_id},
                },
            },
        )


@pytest.mark.asyncio
async def test_shared_id_format(websocket, context_id, html):
    await goto_url(
        websocket,
        context_id,
        html(
            "<div some_attr_name='some_attr_value'>some text<h2>some another text</h2></div>"
        ),
    )

    result = await execute_command(
        websocket,
        {
            "method": "script.evaluate",
            "params": {
                "expression": "document.querySelector('body > div');",
                "target": {"context": context_id},
                "awaitPromise": True,
                "serializationOptions": {"maxDomDepth": 0},
            },
        },
    )
    shared_id = result["result"]["sharedId"]
    assert shared_id == ANY_SHARED_ID


@pytest.mark.asyncio
async def test_shared_id_uses_node_frame(websocket, context_id, html):
    # `iframe_id` does not work in this context, as it is cross-origin.
    await goto_url(
        websocket, context_id, html('data:text/html,<iframe src="about:blank" />')
    )

    tree = await get_tree(websocket, context_id)
    iframe_id = tree["contexts"][0]["children"][0]["context"]

    # Get top-level element reference from iframe.
    result = await execute_command(
        websocket,
        {
            "method": "script.evaluate",
            "params": {
                "expression": 'parent.document.getElementsByTagName("iframe")[0]',
                "target": {"context": iframe_id},
                "awaitPromise": True,
                "serializationOptions": {"maxDomDepth": 0},
            },
        },
    )

    top_level_shared_id = result["result"]["sharedId"]
    # Assert top-level element's reference points to top-level browsing context.
    assert top_level_shared_id.startswith(f"f.{context_id}.d."), (
        "SharedId should point to the top level frame id"
    )

    # Get top-level element reference from top-level frame.
    result = await execute_command(
        websocket,
        {
            "method": "script.evaluate",
            "params": {
                "expression": 'document.getElementsByTagName("iframe")[0]',
                "target": {"context": context_id},
                "awaitPromise": True,
                "serializationOptions": {"maxDomDepth": 0},
            },
        },
    )
    # Assert the top-level element's reference is the same regardless of the
    # frame it was evaluated from.
    assert top_level_shared_id == result["result"]["sharedId"]