package middleware

import (
	"github.com/leandrofars/oktopus/internal/api/auth"
	"golang.org/x/net/context"
	"net/http"
)

func Middleware(next http.Handler) http.Handler {
	return http.HandlerFunc(
		func(w http.ResponseWriter, r *http.Request) {
			w.Header().Set("Content-Type", "application/json")

			tokenString := r.Header.Get("Authorization")
			if tokenString == "" {
				w.WriteHeader(http.StatusUnauthorized)
				return
			}
			email, err := auth.ValidateToken(tokenString)
			if err != nil {
				w.WriteHeader(http.StatusUnauthorized)
				return
			}
			ctx := context.WithValue(r.Context(), "email", email)
			next.ServeHTTP(w, r.WithContext(ctx))
		},
	)
}