import json

import pytest

from astrbot.core import sp
from astrbot.core.provider.func_tool_manager import FunctionToolManager
from astrbot.core.tools.computer_tools.shell import ExecuteShellTool
from astrbot.core.tools.message_tools import SendMessageToUserTool
from astrbot.core.tools.web_search_tools import (
    FirecrawlExtractWebPageTool,
    FirecrawlWebSearchTool,
)


def test_get_builtin_tool_by_class_returns_cached_instance():
    manager = FunctionToolManager()

    tool_by_class = manager.get_builtin_tool(SendMessageToUserTool)
    tool_by_name = manager.get_builtin_tool("send_message_to_user")

    assert tool_by_class is tool_by_name
    assert manager.get_func("send_message_to_user") is tool_by_class
    assert tool_by_class.name == "send_message_to_user"


def test_builtin_tool_ignores_inactivated_llm_tools():
    manager = FunctionToolManager()
    sp.put(
        "inactivated_llm_tools",
        ["send_message_to_user"],
        scope="global",
        scope_id="global",
    )

    try:
        tool = manager.get_builtin_tool(SendMessageToUserTool)
        assert tool.active is True
    finally:
        sp.put("inactivated_llm_tools", [], scope="global", scope_id="global")


def test_computer_tools_are_registered_as_builtin_tools():
    manager = FunctionToolManager()

    tool = manager.get_builtin_tool(ExecuteShellTool)

    assert tool.name == "astrbot_execute_shell"
    assert tool.parameters["properties"]["background"]["default"] is False
    assert manager.is_builtin_tool("astrbot_execute_shell") is True


@pytest.mark.asyncio
async def test_execute_shell_defaults_to_foreground(monkeypatch):
    from astrbot.core.tools.computer_tools import shell as shell_tools

    calls = []

    class FakeShell:
        async def exec(self, command, cwd=None, background=False, env=None):
            calls.append({"command": command, "background": background})
            return {"success": True, "stdout": "", "stderr": "", "exit_code": 0}

    class FakeBooter:
        shell = FakeShell()

    class FakeConfig:
        def get_config(self, umo):
            return {"provider_settings": {"computer_use_runtime": "sandbox"}}

    class FakeEvent:
        unified_msg_origin = "umo"
        role = "admin"

    class FakeAstrContext:
        context = FakeConfig()
        event = FakeEvent()

    class FakeWrapper:
        context = FakeAstrContext()

    async def fake_get_booter(context, session_id):
        return FakeBooter()

    monkeypatch.setattr(shell_tools, "get_booter", fake_get_booter)

    result = await ExecuteShellTool().call(
        FakeWrapper(), command="chromium https://example.com"
    )

    assert json.loads(result)["success"] is True
    assert calls == [{"command": "chromium https://example.com", "background": False}]


@pytest.mark.asyncio
async def test_execute_shell_uses_fresh_default_env_per_call(monkeypatch):
    from astrbot.core.tools.computer_tools import shell as shell_tools

    calls = []

    class FakeShell:
        async def exec(self, command, cwd=None, background=False, env=None):
            env["MUTATED_BY_FAKE_SHELL"] = command
            calls.append(env)
            return {"success": True, "stdout": "", "stderr": "", "exit_code": 0}

    class FakeBooter:
        shell = FakeShell()

    class FakeConfig:
        def get_config(self, umo):
            return {"provider_settings": {"computer_use_runtime": "sandbox"}}

    class FakeEvent:
        unified_msg_origin = "umo"
        role = "admin"

    class FakeAstrContext:
        context = FakeConfig()
        event = FakeEvent()

    class FakeWrapper:
        context = FakeAstrContext()

    async def fake_get_booter(context, session_id):
        return FakeBooter()

    monkeypatch.setattr(shell_tools, "get_booter", fake_get_booter)
    tool = ExecuteShellTool()

    await tool.call(FakeWrapper(), command="first")
    await tool.call(FakeWrapper(), command="second")

    assert calls[0] is not calls[1]
    assert calls[0]["MUTATED_BY_FAKE_SHELL"] == "first"
    assert calls[1] == {"MUTATED_BY_FAKE_SHELL": "second"}


@pytest.mark.asyncio
async def test_execute_shell_copies_user_env_before_execution(monkeypatch):
    from astrbot.core.tools.computer_tools import shell as shell_tools

    calls = []

    class FakeShell:
        async def exec(self, command, cwd=None, background=False, env=None):
            env["MUTATED_BY_FAKE_SHELL"] = command
            calls.append(env)
            return {"success": True, "stdout": "", "stderr": "", "exit_code": 0}

    class FakeBooter:
        shell = FakeShell()

    class FakeConfig:
        def get_config(self, umo):
            return {"provider_settings": {"computer_use_runtime": "sandbox"}}

    class FakeEvent:
        unified_msg_origin = "umo"
        role = "admin"

    class FakeAstrContext:
        context = FakeConfig()
        event = FakeEvent()

    class FakeWrapper:
        context = FakeAstrContext()

    async def fake_get_booter(context, session_id):
        return FakeBooter()

    monkeypatch.setattr(shell_tools, "get_booter", fake_get_booter)
    original_env = {"FOO": "bar"}

    await ExecuteShellTool().call(FakeWrapper(), command="first", env=original_env)

    assert original_env == {"FOO": "bar"}
    assert calls == [{"FOO": "bar", "MUTATED_BY_FAKE_SHELL": "first"}]


@pytest.mark.asyncio
async def test_execute_shell_avoids_double_background_for_detached_commands(
    monkeypatch,
):
    from astrbot.core.tools.computer_tools import shell as shell_tools

    calls = []

    class FakeShell:
        async def exec(self, command, cwd=None, background=False, env=None):
            calls.append({"command": command, "background": background})
            return {"success": True, "stdout": "", "stderr": "", "exit_code": 0}

    class FakeBooter:
        shell = FakeShell()

    class FakeConfig:
        def get_config(self, umo):
            return {"provider_settings": {"computer_use_runtime": "sandbox"}}

    class FakeEvent:
        unified_msg_origin = "umo"
        role = "admin"

    class FakeAstrContext:
        context = FakeConfig()
        event = FakeEvent()

    class FakeWrapper:
        context = FakeAstrContext()

    async def fake_get_booter(context, session_id):
        return FakeBooter()

    monkeypatch.setattr(shell_tools, "get_booter", fake_get_booter)

    command = "nohup firefox >/tmp/astrbot-firefox.log 2>&1 &"
    result = await ExecuteShellTool().call(
        FakeWrapper(), command=command, background=True
    )

    assert json.loads(result)["success"] is True
    assert calls == [{"command": command, "background": False}]


@pytest.mark.asyncio
async def test_execute_shell_recognizes_commented_background_command(monkeypatch):
    from astrbot.core.tools.computer_tools import shell as shell_tools

    calls = []

    class FakeShell:
        async def exec(self, command, cwd=None, background=False, env=None):
            calls.append({"command": command, "background": background})
            return {"success": True, "stdout": "", "stderr": "", "exit_code": 0}

    class FakeBooter:
        shell = FakeShell()

    class FakeConfig:
        def get_config(self, umo):
            return {"provider_settings": {"computer_use_runtime": "sandbox"}}

    class FakeEvent:
        unified_msg_origin = "umo"
        role = "admin"

    class FakeAstrContext:
        context = FakeConfig()
        event = FakeEvent()

    class FakeWrapper:
        context = FakeAstrContext()

    async def fake_get_booter(context, session_id):
        return FakeBooter()

    monkeypatch.setattr(shell_tools, "get_booter", fake_get_booter)

    command = "firefox & # already detached"
    result = await ExecuteShellTool().call(
        FakeWrapper(), command=command, background=True
    )

    assert json.loads(result)["success"] is True
    assert calls == [{"command": command, "background": False}]


@pytest.mark.parametrize(
    ("command", "expected"),
    [
        ("echo '#'", False),
        ("echo '&'", False),
        ("echo foo#bar &", True),
        ("echo 'unterminated", False),
        ("firefox & # already detached", True),
        ("nohup firefox >/tmp/astrbot-firefox.log 2>&1 &", True),
        ("firefox", False),
    ],
)
def test_is_self_detached_command_handles_quotes_and_comments(command, expected):
    from astrbot.core.tools.computer_tools.shell import _is_self_detached_command

    assert _is_self_detached_command(command) is expected


@pytest.mark.asyncio
async def test_execute_shell_reports_blank_exception_type(monkeypatch):
    from astrbot.core.tools.computer_tools import shell as shell_tools

    class BlankError(Exception):
        def __str__(self):
            return ""

    class FakeShell:
        async def exec(self, command, cwd=None, background=False, env=None):
            raise BlankError()

    class FakeBooter:
        shell = FakeShell()

    class FakeConfig:
        def get_config(self, umo):
            return {"provider_settings": {"computer_use_runtime": "sandbox"}}

    class FakeEvent:
        unified_msg_origin = "umo"
        role = "admin"

    class FakeAstrContext:
        context = FakeConfig()
        event = FakeEvent()

    class FakeWrapper:
        context = FakeAstrContext()

    async def fake_get_booter(context, session_id):
        return FakeBooter()

    monkeypatch.setattr(shell_tools, "get_booter", fake_get_booter)

    result = await ExecuteShellTool().call(FakeWrapper(), command="firefox")

    assert result == "Error executing command: BlankError"


def test_firecrawl_tools_are_registered_as_builtin_tools():
    manager = FunctionToolManager()

    search_tool = manager.get_builtin_tool(FirecrawlWebSearchTool)
    extract_tool = manager.get_builtin_tool(FirecrawlExtractWebPageTool)

    assert search_tool.name == "web_search_firecrawl"
    assert extract_tool.name == "firecrawl_extract_web_page"
    assert manager.is_builtin_tool("web_search_firecrawl") is True
    assert manager.is_builtin_tool("firecrawl_extract_web_page") is True