from __future__ import annotations

import enum
from collections.abc import Mapping, Sequence
from datetime import datetime
from enum import StrEnum
from typing import Any

from pydantic import BaseModel, ConfigDict, Field

from core.agent.plugin_entities import AgentProviderEntityWithPlugin
from core.datasource.entities.datasource_entities import DatasourceProviderEntityWithPlugin
from core.plugin.entities.base import BasePluginEntity
from core.plugin.entities.parameters import PluginParameterOption
from core.plugin.entities.plugin import PluginDeclaration, PluginEntity
from core.tools.entities.common_entities import I18nObject
from core.tools.entities.tool_entities import ToolProviderEntityWithPlugin
from core.trigger.entities.entities import TriggerProviderEntity
from graphon.model_runtime.entities.model_entities import AIModelEntity
from graphon.model_runtime.entities.provider_entities import ProviderEntity


class PluginDaemonBasicResponse[T: BaseModel | dict | list | bool | str](BaseModel):
    """
    Basic response from plugin daemon.
    """

    code: int
    message: str
    data: T | None = None


class InstallPluginMessage(BaseModel):
    """
    Message for installing a plugin.
    """

    class Event(StrEnum):
        Info = "info"
        Done = "done"
        Error = "error"

    event: Event
    data: str


class PluginToolProviderEntity(BaseModel):
    provider: str
    plugin_unique_identifier: str
    plugin_id: str
    declaration: ToolProviderEntityWithPlugin


class PluginDatasourceProviderEntity(BaseModel):
    provider: str
    plugin_unique_identifier: str
    plugin_id: str
    is_authorized: bool = False
    declaration: DatasourceProviderEntityWithPlugin


class PluginAgentProviderEntity(BaseModel):
    provider: str
    plugin_unique_identifier: str
    plugin_id: str
    declaration: AgentProviderEntityWithPlugin
    meta: PluginDeclaration.Meta


class PluginBasicBooleanResponse(BaseModel):
    """
    Basic boolean response from plugin daemon.
    """

    result: bool
    credentials: dict[str, Any] | None = None


class PluginModelSchemaEntity(BaseModel):
    model_schema: AIModelEntity = Field(description="The model schema.")

    # pydantic configs
    model_config = ConfigDict(protected_namespaces=())


class PluginModelProviderEntity(BaseModel):
    id: str = Field(description="ID")
    created_at: datetime = Field(description="The created at time of the model provider.")
    updated_at: datetime = Field(description="The updated at time of the model provider.")
    provider: str = Field(description="The provider of the model.")
    tenant_id: str = Field(description="The tenant ID.")
    plugin_unique_identifier: str = Field(description="The plugin unique identifier.")
    plugin_id: str = Field(description="The plugin ID.")
    declaration: ProviderEntity = Field(description="The declaration of the model provider.")


class PluginTextEmbeddingNumTokensResponse(BaseModel):
    """
    Response for number of tokens.
    """

    num_tokens: list[int] = Field(description="The number of tokens.")


class PluginLLMNumTokensResponse(BaseModel):
    """
    Response for number of tokens.
    """

    num_tokens: int = Field(description="The number of tokens.")


class PluginStringResultResponse(BaseModel):
    result: str = Field(description="The result of the string.")


class PluginVoiceEntity(BaseModel):
    name: str = Field(description="The name of the voice.")
    value: str = Field(description="The value of the voice.")


class PluginVoicesResponse(BaseModel):
    voices: list[PluginVoiceEntity] = Field(description="The result of the voices.")


class PluginDaemonError(BaseModel):
    """
    Error from plugin daemon.
    """

    error_type: str
    message: str


class PluginDaemonInnerError(Exception):
    code: int
    message: str

    def __init__(self, code: int, message: str):
        self.code = code
        self.message = message


class PluginInstallTaskStatus(StrEnum):
    Pending = "pending"
    Running = "running"
    Success = "success"
    Failed = "failed"


class PluginInstallTaskPluginStatus(BaseModel):
    plugin_unique_identifier: str = Field(description="The plugin unique identifier of the install task.")
    plugin_id: str = Field(description="The plugin ID of the install task.")
    status: PluginInstallTaskStatus = Field(description="The status of the install task.")
    message: str = Field(description="The message of the install task.")
    icon: str = Field(description="The icon of the plugin.")
    labels: I18nObject = Field(description="The labels of the plugin.")
    source: str | None = Field(default=None, description="The installation source of the plugin")


class PluginInstallTask(BasePluginEntity):
    status: PluginInstallTaskStatus = Field(description="The status of the install task.")
    total_plugins: int = Field(description="The total number of plugins to be installed.")
    completed_plugins: int = Field(description="The number of plugins that have been installed.")
    plugins: list[PluginInstallTaskPluginStatus] = Field(description="The status of the plugins.")


class PluginInstallTaskStartResponse(BaseModel):
    all_installed: bool = Field(description="Whether all plugins are installed.")
    task_id: str = Field(description="The ID of the install task.")


class PluginVerification(BaseModel):
    """
    Verification of the plugin.
    """

    class AuthorizedCategory(StrEnum):
        Langgenius = "langgenius"
        Partner = "partner"
        Community = "community"

    authorized_category: AuthorizedCategory = Field(description="The authorized category of the plugin.")


class PluginDecodeResponse(BaseModel):
    unique_identifier: str = Field(description="The unique identifier of the plugin.")
    manifest: PluginDeclaration
    verification: PluginVerification | None = Field(default=None, description="Basic verification information")


class PluginOAuthAuthorizationUrlResponse(BaseModel):
    authorization_url: str = Field(description="The URL of the authorization.")


class PluginOAuthCredentialsResponse(BaseModel):
    metadata: Mapping[str, Any] = Field(
        default_factory=dict, description="The metadata of the OAuth, like avatar url, name, etc."
    )
    expires_at: int = Field(default=-1, description="The expires at time of the credentials. UTC timestamp.")
    credentials: Mapping[str, Any] = Field(description="The credentials of the OAuth.")


class PluginListResponse(BaseModel):
    list: list[PluginEntity]
    total: int


class PluginDynamicSelectOptionsResponse(BaseModel):
    options: Sequence[PluginParameterOption] = Field(description="The options of the dynamic select.")


class PluginTriggerProviderEntity(BaseModel):
    provider: str
    plugin_unique_identifier: str
    plugin_id: str
    declaration: TriggerProviderEntity


class CredentialType(enum.StrEnum):
    API_KEY = "api-key"
    OAUTH2 = "oauth2"
    UNAUTHORIZED = "unauthorized"

    def get_name(self):
        if self == CredentialType.API_KEY:
            return "API KEY"
        elif self == CredentialType.OAUTH2:
            return "AUTH"
        elif self == CredentialType.UNAUTHORIZED:
            return "UNAUTHORIZED"
        else:
            return self.value.replace("-", " ").upper()

    def is_editable(self):
        return self == CredentialType.API_KEY

    def is_validate_allowed(self):
        return self == CredentialType.API_KEY

    @classmethod
    def values(cls):
        return [item.value for item in cls]

    @classmethod
    def of(cls, credential_type: str) -> CredentialType:
        type_name = credential_type.lower()
        if type_name in {"api-key", "api_key"}:
            return cls.API_KEY
        elif type_name in {"oauth2", "oauth"}:
            return cls.OAUTH2
        elif type_name == "unauthorized":
            return cls.UNAUTHORIZED
        else:
            raise ValueError(f"Invalid credential type: {credential_type}")


class PluginReadmeResponse(BaseModel):
    content: str = Field(description="The readme of the plugin.")
    language: str = Field(description="The language of the readme.")
