package middleware

import (
	"context"
	"net/http"
)

func ReqHeaderCtxMiddleware(next http.HandlerFunc) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		brand := r.Header.Get("X-Brand")
		platform := r.Header.Get("X-Platform")
		promoteValue := r.Header.Get("X-Promote-Key")
		ctx := r.Context()
		if brand != "" {
			ctx = context.WithValue(ctx, "brand", brand)
		}
		if platform != "" {
			ctx = context.WithValue(ctx, "platform", platform)
		}
		if promoteValue != "" {
			ctx = context.WithValue(ctx, "promoteKey", promoteValue)
		}
		r = r.WithContext(ctx)
		next(w, r)
	}
}