import { Hono } from 'hono'
import { cors } from 'hono/cors'
import type { Context as HonoContext } from 'hono'
import { Auth } from '@d8d-appcontainer/auth'
import type { User as AuthUser } from '@d8d-appcontainer/auth'
import { APIClient } from '@d8d-appcontainer/api'
import type { SystemSettingRecord } from '../client/share/types.ts'
import debug from "debug"

const log = {
  auth: debug('auth:server')
}

// 定义自定义上下文类型
export interface Variables {
  auth: Auth
  user?: AuthUser
  apiClient: APIClient
  moduleDir: string
  systemSettings?: SystemSettingRecord
}
// 认证中间件
export const withAuth = async (c: HonoContext<{ Variables: Variables }>, next: () => Promise<void>) => {
  try {
    const auth = c.get('auth')
    
    const token = c.req.header('Authorization')?.replace('Bearer ', '')
    if (token) {
      const userData = await auth.verifyToken(token)
      if (userData) {
        c.set('user', userData)
        await next()
        return
      }
    }
    
    return c.json({ error: '未授权' }, 401)
  } catch (error) {
    log.auth('认证失败:', error)
    return c.json({ error: '无效凭证' }, 401)
  }
}

// 导出withAuth类型定义
export type WithAuth = typeof withAuth;

// 环境变量设置中间件
export const setEnvVariables = (apiClient: APIClient, moduleDir: string, auth: Auth) => {
  return async (c: HonoContext<{ Variables: Variables }>, next: () => Promise<void>) => {
    c.set('apiClient', apiClient)
    c.set('moduleDir', moduleDir)
    c.set('auth', auth)
    c.set('systemSettings', await initSystemSettings(apiClient))
    await next()
  }
}

// CORS中间件
export const corsMiddleware = cors()



// 初始化系统设置
const initSystemSettings = async (apiClient: APIClient) => {
  try {
    const systemSettings = await apiClient.database.table('system_settings')
      .select()
    
    // 将系统设置转换为键值对形式
    const settings = systemSettings.reduce((acc: Record<string, any>, setting: any) => {
      acc[setting.key] = setting.value
      return acc
    }, {}) as SystemSettingRecord
    
    return settings
    
  } catch (error) {
    log.auth('获取系统设置失败:', error)
    return {} as SystemSettingRecord
  }
}