package ws

import (
	"log"

	"github.com/coder/websocket"
	"github.com/gin-gonic/gin"

	"everypublish/server/internal/auth"
	"everypublish/server/internal/config"
)

// HandleBrowser 浏览器实时通道：?token=JWT 鉴权，只读订阅工作空间事件
func HandleBrowser(cfg *config.Config, hub *Hub) gin.HandlerFunc {
	return func(c *gin.Context) {
		claims, err := auth.ParseAccess(cfg.JWTSecret, c.Query("token"))
		if err != nil {
			c.JSON(401, gin.H{"code": 1002, "message": "令牌无效"})
			return
		}
		conn, err := websocket.Accept(c.Writer, c.Request, &websocket.AcceptOptions{InsecureSkipVerify: true})
		if err != nil {
			return
		}
		sess := &Conn{
			ID:   randHex(16),
			Kind: "browser",
			WSID: claims.WorkspaceID,
			ws:   conn,
			send: make(chan []byte, 64),
		}
		hub.RegisterBrowser(sess)
		go sess.writeLoop()
		log.Printf("[ws] browser session %s online (workspace %d)", sess.ID, claims.WorkspaceID)
		defer func() {
			hub.UnregisterBrowser(sess)
			log.Printf("[ws] browser session %s offline", sess.ID)
		}()
		for {
			if _, _, err = conn.Read(c.Request.Context()); err != nil {
				return
			}
		}
	}
}