// Copyright 2022 Harness Inc. All rights reserved.
// Use of this source code is governed by the Polyform Free Trial License
// that can be found in the LICENSE.md file for this repository.

package account

import (
	"encoding/json"
	"net/http"

	"github.com/harness/gitness/internal/api/controller/user"
	"github.com/harness/gitness/internal/api/render"
	"github.com/harness/gitness/internal/api/request"
)

// HandleLogin returns an http.HandlerFunc that authenticates
// the user and returns an authentication token on success.
func HandleLogin(userCtrl *user.Controller, cookieName string) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		ctx := r.Context()
		session, _ := request.AuthSessionFrom(ctx)

		in := new(user.LoginInput)
		err := json.NewDecoder(r.Body).Decode(in)
		if err != nil {
			render.BadRequestf(w, "Invalid request body: %s.", err)
			return
		}

		tokenResponse, err := userCtrl.Login(ctx, session, in)
		if err != nil {
			render.TranslatedUserError(w, err)
			return
		}

		if cookieName != "" {
			includeTokenCookie(r, w, tokenResponse, cookieName)
		}

		render.JSON(w, http.StatusOK, tokenResponse)
	}
}