import Koa from "koa"
import { logger } from "./logger.js"
import { validateEnvironment } from "./shared/utils/validation/envValidator.js"

// 启动前验证环境变量
if (!validateEnvironment()) {
    logger.error("环境变量验证失败，应用退出")
    process.exit(1)
}

const app = new Koa({ asyncLocalStorage: true })

app.keys = []

// SESSION_SECRET 已通过环境变量验证确保存在
process.env.SESSION_SECRET.split(",").forEach(secret => {
    app.keys.push(secret.trim())
})

export { app }
export default app