# Copyright (c) 2022-2025, The Isaac Lab Project Developers (https://github.com/isaac-sim/IsaacLab/blob/main/CONTRIBUTORS.md).
# All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause

from isaaclab.utils import configclass

from isaaclab_rl.rsl_rl import RslRlOnPolicyRunnerCfg, RslRlPpoActorCriticCfg, RslRlPpoAlgorithmCfg


@configclass
class ShadowHandPPORunnerCfg(RslRlOnPolicyRunnerCfg):
    num_steps_per_env = 16
    max_iterations = 10000
    save_interval = 250
    experiment_name = "shadow_hand"
    policy = RslRlPpoActorCriticCfg(
        init_noise_std=1.0,
        actor_obs_normalization=True,
        critic_obs_normalization=True,
        actor_hidden_dims=[512, 512, 256, 128],
        critic_hidden_dims=[512, 512, 256, 128],
        activation="elu",
    )
    algorithm = RslRlPpoAlgorithmCfg(
        value_loss_coef=1.0,
        use_clipped_value_loss=True,
        clip_param=0.2,
        entropy_coef=0.005,
        num_learning_epochs=5,
        num_mini_batches=4,
        learning_rate=5.0e-4,
        schedule="adaptive",
        gamma=0.99,
        lam=0.95,
        desired_kl=0.016,
        max_grad_norm=1.0,
    )


@configclass
class ShadowHandAsymFFPPORunnerCfg(RslRlOnPolicyRunnerCfg):
    num_steps_per_env = 16
    max_iterations = 10000
    save_interval = 250
    experiment_name = "shadow_hand_openai_ff"
    policy = RslRlPpoActorCriticCfg(
        init_noise_std=1.0,
        actor_obs_normalization=True,
        critic_obs_normalization=True,
        actor_hidden_dims=[400, 400, 200, 100],
        critic_hidden_dims=[512, 512, 256, 128],
        activation="elu",
    )
    algorithm = RslRlPpoAlgorithmCfg(
        value_loss_coef=1.0,
        use_clipped_value_loss=True,
        clip_param=0.2,
        entropy_coef=0.005,
        num_learning_epochs=4,
        num_mini_batches=4,
        learning_rate=5.0e-4,
        schedule="adaptive",
        gamma=0.99,
        lam=0.95,
        desired_kl=0.01,
        max_grad_norm=1.0,
    )


@configclass
class ShadowHandVisionFFPPORunnerCfg(RslRlOnPolicyRunnerCfg):
    num_steps_per_env = 64
    max_iterations = 50000
    save_interval = 250
    experiment_name = "shadow_hand_vision"
    policy = RslRlPpoActorCriticCfg(
        init_noise_std=1.0,
        actor_obs_normalization=True,
        critic_obs_normalization=True,
        actor_hidden_dims=[1024, 512, 512, 256, 128],
        critic_hidden_dims=[1024, 512, 512, 256, 128],
        activation="elu",
    )
    algorithm = RslRlPpoAlgorithmCfg(
        value_loss_coef=1.0,
        use_clipped_value_loss=True,
        clip_param=0.2,
        entropy_coef=0.005,
        num_learning_epochs=5,
        num_mini_batches=4,
        learning_rate=5.0e-4,
        schedule="adaptive",
        gamma=0.99,
        lam=0.95,
        desired_kl=0.01,
        max_grad_norm=1.0,
    )
