package main

import (
	"github.com/casbin/casbin/v2"
	"github.com/casbin/redis-adapter/v3"
)

func main() {
	// Direct Initialization:
	// Initialize a Redis adapter and use it in a Casbin enforcer:
	a, _ := redisadapter.NewAdapter("tcp", "127.0.0.1:6379") // Your Redis network and address.

	// Use the following if Redis has password like "123"
	// a, err := redisadapter.NewAdapterWithPassword("tcp", "127.0.0.1:6379", "123")

	// Use the following if you use Redis with a specific user 
	// a, err := redisadapter.NewAdapterWithUser("tcp", "127.0.0.1:6379", "username", "password")

	// Use the following if you use Redis connections pool
	// pool := &redis.Pool{}
	// a, err := redisadapter.NewAdapterWithPool(pool)

	// Initialization with different user options:
	// Use the following if you use Redis with passowrd like "123":
	// a, err := redisadapter.NewAdapterWithOption(redisadapter.WithNetwork("tcp"), redisadapter.WithAddress("127.0.0.1:6379"), redisadapter.WithPassword("123"))

	// Use the following if you use Redis with username, password, and TLS option:
	// var clientTLSConfig tls.Config
	// ...
	// a, err := redisadapter.NewAdapterWithOption(redisadapter.WithNetwork("tcp"), redisadapter.WithAddress("127.0.0.1:6379"), redisadapter.WithUsername("testAccount"), redisadapter.WithPassword("123456"), redisadapter.WithTls(&clientTLSConfig))

	e, _ := casbin.NewEnforcer("examples/rbac_model.conf", a)

	// Load the policy from DB.
	e.LoadPolicy()

	// Check the permission.
	e.Enforce("alice", "data1", "read")

	// Modify the policy.
	// e.AddPolicy(...)
	// e.RemovePolicy(...)

	// Save the policy back to DB.
	e.SavePolicy()
}