package middleware

import (
	"context"

	"github.com/gin-gonic/gin"
	"github.com/perfect-panel/server/pkg/constant"
)

// AdminMetaMiddleware pins the request's client IP and User-Agent onto the
// context under constant.CtxKeyIP / constant.CtxKeyUserAgent so downstream
// audit writers (admin_action_log) can capture them without threading the
// gin.Context through every logic layer.
//
// This middleware is a no-op for auth: it does NOT gate access; wire it
// after AuthMiddleware so ctx.Value(CtxKeyUser) is already populated by the
// time an admin logic writes audit rows.
func AdminMetaMiddleware() gin.HandlerFunc {
	return func(c *gin.Context) {
		ctx := c.Request.Context()
		ctx = context.WithValue(ctx, constant.CtxKeyIP, c.ClientIP())
		ctx = context.WithValue(ctx, constant.CtxKeyUserAgent, c.Request.UserAgent())
		c.Request = c.Request.WithContext(ctx)
		c.Next()
	}
}