import dataclasses
import uuid
from typing import Optional, Tuple, Dict, Type, Any, List, cast

from dbgpt.agent import ConversableAgent, AgentMessage, AgentContext
from dbgpt.serve.agent.agents.app_agent_manage import get_app_manager
from dbgpt.util import ParameterDescription
from .base import Resource, ResourceParameters, ResourceType


def get_app_list():
    apps = get_app_manager().get_dbgpts()
    results = [
        {
            "label": f"{app.app_name}({app.app_code})",
            "key": app.app_code,
            "description": app.app_describe
        }
        for app in apps
    ]
    return results


@dataclasses.dataclass
class AppResourceParameters(ResourceParameters):
    app_code: str = dataclasses.field(
        default=None,
        metadata={
            "help": "app code",
            "valid_values": get_app_list(),
        },
    )

    @classmethod
    def to_configurations(
            cls,
            parameters: Type["AppResourceParameters"],
            version: Optional[str] = None,
            **kwargs,
    ) -> Any:
        """Convert the parameters to configurations."""
        conf: List[ParameterDescription] = cast(
            List[ParameterDescription], super().to_configurations(parameters)
        )
        version = version or cls._resource_version()
        if version != "v1":
            return conf
        # Compatible with old version
        for param in conf:
            if param.param_name == "app_code":
                return param.valid_values or []
        return []

    @classmethod
    def from_dict(
            cls, data: dict, ignore_extra_fields: bool = True
    ) -> ResourceParameters:
        """Create a new instance from a dictionary."""
        copied_data = data.copy()
        if "app_code" not in copied_data and "value" in copied_data:
            copied_data["app_code"] = copied_data.pop("value")
        return super().from_dict(copied_data, ignore_extra_fields=ignore_extra_fields)


class AppResource(Resource[AppResourceParameters]):
    """AppResource resource class."""

    def __init__(self, name: str, app_code: str, **kwargs):
        self._resource_name = name
        self._app_code = app_code

        app = get_app_manager().get_app(self._app_code)
        self._app_name = app.app_name
        self._app_desc = app.app_describe

    @classmethod
    def type(cls) -> ResourceType:
        return ResourceType.App

    @property
    def name(self) -> str:
        return self._resource_name

    @classmethod
    def resource_parameters_class(cls, **kwargs) -> Type[ResourceParameters]:
        """Return the resource parameters class."""
        return AppResourceParameters

    async def get_prompt(self, *, lang: str = "en", prompt_type: str = "default", question: Optional[str] = None,
                         resource_name: Optional[str] = None, **kwargs) -> Tuple[str, Optional[Dict]]:
        """Get the prompt."""

        prompt_template_zh = (
            "{name}：调用此资源与应用 {app_name} 进行交互。"
            "应用 {app_name} 有什么用？{description}"
        )
        prompt_template_en = (
            "{name}：Call this resource to interact with the application {app_name} ."
            "What is the application {app_name} useful for? {description} "
        )
        template = prompt_template_en if lang == "en" else prompt_template_zh

        return (
            template.format(
                name=self.name,
                app_name=self._app_name,
                description=self._app_desc
            ),
            None,
        )

    @property
    def is_async(self) -> bool:
        """Return whether the tool is asynchronous."""
        return True

    async def execute(self, *args, resource_name: Optional[str] = None, **kwargs) -> Any:
        if self.is_async:
            raise RuntimeError("Async execution is not supported")

    async def async_execute(
            self,
            *args,
            resource_name: Optional[str] = None,
            **kwargs,
    ) -> Any:
        """Execute the tool asynchronously.

        Args:
            *args: The positional arguments.
            resource_name (str, optional): The tool name to be executed(not used for
            specific tool).
            **kwargs: The keyword arguments.
        """

        user_input = kwargs.get("user_input")
        parent_agent = kwargs.get("parent_agent")

        reply_message = await self.chat_2_app_once(self._app_code, user_input=user_input, sender=parent_agent)
        return reply_message.content

    async def chat_2_app_once(self,
                              app_code: str,
                              user_input: str,
                              conv_uid: str = None,
                              sender: ConversableAgent = None) -> AgentMessage:
        # create a new conv_uid
        conv_uid = str(uuid.uuid4()) if conv_uid is None else conv_uid

        gpts_app = get_app_manager().get_app(app_code)

        app_agent = await get_app_manager().create_agent_by_app_code(gpts_app, conv_uid=conv_uid)

        agent_message = AgentMessage(
            content=user_input,
            current_goal=user_input,
            context={
                "conv_uid": conv_uid,
            },
            rounds=0,
        )

        reply_message: AgentMessage = await app_agent.generate_reply(received_message=agent_message,
                                                                     sender=sender)

        return reply_message