"""
Plugin Management Endpoints
"""

from datetime import datetime
from typing import Literal

from fastapi import APIRouter, HTTPException
from pydantic import BaseModel

router = APIRouter()

PluginCategory = Literal["INPUT", "BRAIN", "OUTPUT", "ACTION", "DATA", "UI"]


class Plugin(BaseModel):
    id: str
    name: str
    version: str
    category: PluginCategory
    enabled: bool
    description: str | None = None


class PluginHealth(BaseModel):
    plugin_id: str
    status: Literal["healthy", "unhealthy", "unknown"]
    last_check: datetime
    error: str | None = None


# Mock data
MOCK_PLUGINS: list[Plugin] = [
    Plugin(
        id="lewooogo-input-webhook",
        name="Webhook Trigger",
        version="0.1.0",
        category="INPUT",
        enabled=True,
        description="HTTP Webhook 觸發器",
    ),
    Plugin(
        id="lewooogo-brain-llm-router",
        name="LLM Router",
        version="0.1.0",
        category="BRAIN",
        enabled=True,
        description="多模型路由器",
    ),
    Plugin(
        id="lewooogo-output-telegram",
        name="Telegram Notifier",
        version="0.1.0",
        category="OUTPUT",
        enabled=True,
        description="Telegram 通知",
    ),
]


@router.get("", response_model=list[Plugin])
async def list_plugins(
    category: PluginCategory | None = None,
    enabled: bool | None = None,
) -> list[Plugin]:
    """列出所有已註冊 Plugin"""
    result = MOCK_PLUGINS

    if category:
        result = [p for p in result if p.category == category]
    if enabled is not None:
        result = [p for p in result if p.enabled == enabled]

    return result


@router.get("/{plugin_id}", response_model=Plugin)
async def get_plugin(plugin_id: str) -> Plugin:
    """取得 Plugin 詳情"""
    for plugin in MOCK_PLUGINS:
        if plugin.id == plugin_id:
            return plugin
    raise HTTPException(status_code=404, detail="Plugin not found")


@router.get("/{plugin_id}/health", response_model=PluginHealth)
async def get_plugin_health(plugin_id: str) -> PluginHealth:
    """Plugin 健康檢查"""
    # Check if plugin exists
    found = any(p.id == plugin_id for p in MOCK_PLUGINS)
    if not found:
        raise HTTPException(status_code=404, detail="Plugin not found")

    return PluginHealth(
        plugin_id=plugin_id,
        status="healthy",
        last_check=datetime.utcnow(),
    )