Refactor and added ability to use include multiple providers in config

internal/login.go

@@ -0,0 +1,37 @@
+package opaal
+
+import (
+	"davidallendj/opaal/internal/db"
+	"davidallendj/opaal/internal/oidc"
+	"fmt"
+)
+
+func Login(config *Config, client *Client, provider *oidc.IdentityProvider) error {
+	if config == nil {
+		return fmt.Errorf("config is not valid")
+	}
+
+	// make cache if it's not where expect
+	_, err := db.CreateIdentityProvidersIfNotExists(config.Options.CachePath)
+	if err != nil {
+		fmt.Printf("failed to create cache: %v\n", err)
+	}
+
+	if config.Options.FlowType == "authorization_code" {
+		// create a server if doing authorization code flow
+		server := NewServerWithConfig(config)
+		err := AuthorizationCodeWithConfig(config, server, client, provider)
+		if err != nil {
+			fmt.Printf("failed to complete authorization code flow: %v\n", err)
+		}
+	} else if config.Options.FlowType == "client_credentials" {
+		err := ClientCredentialsWithConfig(config, client)
+		if err != nil {
+			fmt.Printf("failed to complete client credentials flow: %v", err)
+		}
+	} else {
+		return fmt.Errorf("invalid grant type (options: authorization_code, client_credentials)")
+	}
+
+	return nil
+}