Major refactoring and code restructure

internal/client_credentials.go

@@ -1,48 +0,0 @@
-package opaal
-
-import (
-	"fmt"
-)
-
-type ClientCredentialsFlowParams struct {
-	State        string `yaml:"state"`
-	ResponseType string `yaml:"response-type"`
-}
-
-type ClientCredentialsFlowEndpoints struct {
-	Create    string
-	Authorize string
-	Token     string
-}
-
-func ClientCredentials(eps ClientCredentialsFlowEndpoints, client *Client) error {
-	// register a new OAuth 2 client with authorization srever
-	_, err := client.CreateOAuthClient(eps.Create, nil)
-	if err != nil {
-		return fmt.Errorf("failed to register OAuth client: %v", err)
-	}
-
-	// authorize the client
-	_, err = client.AuthorizeOAuthClient(eps.Authorize)
-	if err != nil {
-		return fmt.Errorf("failed to authorize client: %v", err)
-	}
-
-	// request a token from the authorization server
-	res, err := client.PerformTokenGrant(eps.Token, "")
-	if err != nil {
-		return fmt.Errorf("failed to fetch token from authorization server: %v", err)
-	}
-
-	fmt.Printf("token: %v\n", string(res))
-	return nil
-}
-
-func ClientCredentialsWithConfig(config *Config, client *Client) error {
-	eps := ClientCredentialsFlowEndpoints{
-		Create:    config.Authorization.RequestUrls.Clients,
-		Authorize: config.Authorization.RequestUrls.Authorize,
-		Token:     config.Authorization.RequestUrls.Token,
-	}
-	return ClientCredentials(eps, client)
-}