import Koa from 'koa'
import Router from 'koa-router'
import bodyParser from 'koa-bodyparser'
import koaStatic from 'koa-static'
import config from '../config/index.js'
import * as log4js from '../log4js.js'
import auth from './auth.js'
import login from './login.js'
import registry from './registry.js'
import linuxdo from './linuxdo.js'
import errorHandler from './middleware/errorHandler.js'
import ipFilter from './middleware/ipFilter.js'
import rateLimiter from './middleware/rateLimiter.js'

const app = new Koa()
const router = new Router()

// ─── 基础路由 ────────────────────────────────────────────────────────────────
router.get('/', (ctx) => {
  ctx.body = { message: 'Chuanqi Server Running!' }
})

router.get('/api/config', (ctx) => {
  ctx.body = {
    data: {
      gameName: config.game.name,
      gameDescription: config.game.description,
      codeOpen: config.code.open,
      regCodeOpen: config.code.regCodeOpen,
      regOpen: config.account.regOpen,
      loginOpen: config.account.loginOpen,
      linuxdoAuthorizeUrl: `/api/linuxdo/authorize`,
      // 提现相关
      withdrawRatio: config.withdraw.ratio,
      withdrawMinOnce: config.withdraw.minOnce,
      currencyName: config.currency.list[config.withdraw.type] || '货币',
    }
  }
})

// ─── 中间件 ──────────────────────────────────────────────────────────────────
app.proxy = true

// 1. 统一错误处理（最外层，捕获所有异常）
app.use(errorHandler)

// 2. 请求日志
app.use(async (ctx, next) => {
  log4js.koa.debug(`${ctx.method} ${ctx.path}`)
  await next()
})

// 3. IP 黑名单过滤
app.use(ipFilter)

// 4. 请求限流（防暴力破解）
app.use(rateLimiter)

// 5. body 解析
app.use(bodyParser({
  enableTypes: ['json', 'form'],
  formLimit: '10mb',
  jsonLimit: '10mb',
}))

// 6. JWT 鉴权
app.use(auth)

// 路由挂载
app.use(router.routes())
app.use(router.allowedMethods())
app.use(login)
app.use(registry)
app.use(linuxdo)

// 静态文件（部署时前端 dist 挂到 /www）
app.use(koaStatic('/www'))

// ─── 启动 ────────────────────────────────────────────────────────────────────
const PORT = process.env.PORT || 3001
app.listen(PORT, () => {
  log4js.koa.info(`🚀 Koa server running on port ${PORT}`)
})