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,
	workflowService *service.WorkflowService,
	logger log.Logger,
	chatService *service.ChatService,
) *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)

	route := srv.Route("/api")
	// 商品查询 Agent 路由
	route.POST("/agents/product/query", agentService.HandleProductQuery)
	// 产品工作流（Graph 编排）
	route.POST("/workflow/product/query", workflowService.HandleProductWorkflow)
	// WebSocket 聊天路由（/api/chat/ws）
	route.GET("/chat/ws", func(ctx http.Context) error {
		upgrader := websocket.Upgrader{CheckOrigin: func(r *nethttp.Request) bool { return true }}
		conn, err := upgrader.Upgrade(ctx.Response(), ctx.Request(), nil)
		if err != nil {
			return err
		}
		chatService.HandleWebSocketChat(conn)
		return nil
	})

	return srv
}