package server

import (
	v1 "eino-project/api/customer/v1"
	"eino-project/internal/conf"
	"eino-project/internal/service"
	nethttp "net/http"

	"github.com/gorilla/websocket"

	"github.com/go-kratos/kratos/v2/log"
	"github.com/go-kratos/kratos/v2/middleware/recovery"
	"github.com/go-kratos/kratos/v2/transport/http"
)

// NewHTTPServer new an HTTP server.
func NewHTTPServer(c *conf.Server, customerService *service.CustomerService, agentService *service.AgentService, logger log.Logger) *http.Server {
	var opts = []http.ServerOption{
		http.Middleware(
			recovery.Recovery(),
		),
	}
	if c.Http.Network != "" {
		opts = append(opts, http.Network(c.Http.Network))
	}
	if c.Http.Addr != "" {
		opts = append(opts, http.Address(c.Http.Addr))
	}
	if c.Http.Timeout != nil {
		opts = append(opts, http.Timeout(c.Http.Timeout.AsDuration()))
	}
	srv := http.NewServer(opts...)

	// 注册HTTP路由
	v1.RegisterCustomerServiceHTTPServer(srv, customerService)

	// 添加SSE流式聊天的自定义路由
	srv.HandleFunc("/api/chat/stream", customerService.HandleStreamChat)

	// WebSocket 聊天路由（/api/chat/ws）
	srv.HandleFunc("/api/chat/ws", func(w nethttp.ResponseWriter, r *nethttp.Request) {
		upgrader := websocket.Upgrader{CheckOrigin: func(r *nethttp.Request) bool { return true }}
		conn, err := upgrader.Upgrade(w, r, nil)
		if err != nil {
			return
		}
		customerService.HandleWebSocketChat(conn)
	})

	route := srv.Route("/api")
	// 商品查询 Agent 路由
	route.POST("/agents/product/query", agentService.HandleProductQuery)
	// 订单诊断工作流（直接调用流水线输出）
	// route.POST("/api/workflow/order/diagnosis", customerService.HandleOrderDiagnosis)

	return srv
}