package cmd

import (
	"fmt"

	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/cmd/utils"
	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/services"
	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/services/backend"
	"github.com/spf13/cobra"
)

var (
	backendID     string
	backendName   string
	backendIssuer string
)

var backendAddCmd = &cobra.Command{
	Use:   "add",
	Short: "Add a new backend to the storage",
	Long: `Add a new backend to the storage.

Parameters to provide:
- id: Unique ID to represent the backend in the storage
- name: Human readable name to represent the backend. It will be used by
	the user in the authentication page to select a backend during
	authentication
- issuer: Full hostname of the OIDC provider, e.g. 'https://github.com'`,
	Run: func(cmd *cobra.Command, args []string) {
		addNewBackend()
	},
}

func addNewBackend() {
	c := utils.InitConfig("")
	s := utils.InitStorage(c)

	clientID, clientSecret, err := services.GenerateClientIDSecret()
	if err != nil {
		utils.Failf("Failed to generate client id or secret: %s", err.Error())
	}

	backendConf := backend.BackendConfig{
		Issuer:       backendIssuer,
		ClientID:     clientID,
		ClientSecret: clientSecret,
		RedirectURI:  c.RedirectURI(),
		ID:           backendID,
		Name:         backendName,
	}
	if err := backend.New(s).AddBackend(backendConf); err != nil {
		utils.Failf("Failed to add new backend to storage: %s", err.Error())
	}

	fmt.Printf("New backend %s added.\n", backendName)
	printProperty("Client ID", clientID)
	printProperty("Client secret", clientSecret)
}

func init() {
	backendCmd.AddCommand(backendAddCmd)

	backendAddCmd.Flags().StringVarP(&backendID, "id", "i", "", "ID to identify the backend in the storage")
	backendAddCmd.Flags().StringVarP(&backendName, "name", "n", "", "Name to represent the backend")
	backendAddCmd.Flags().StringVarP(&backendIssuer, "issuer", "d", "", "Full hostname of the backend")
}