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# SPDX-License-Identifier: Apache-2.0
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# Licensed under the Apache License, Version 2.0 (the "License");
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# http://www.apache.org/licenses/LICENSE-2.0
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from typing import Optional

from ..modeling_utils import PretrainedConfig


class CogVLMConfig(PretrainedConfig):

    def __init__(self,
                 *,
                 mlp_bias: bool = False,
                 attn_bias: bool = False,
                 rotary_base: float = 10000.0,
                 rotary_scaling: Optional[dict] = None,
                 **kwargs):
        self.mlp_bias = mlp_bias
        self.attn_bias = attn_bias
        self.rotary_base = rotary_base
        self.rotary_scaling = rotary_scaling
        self.position_embedding_type = 'rope_gpt_neox'
        super().__init__(**kwargs)

    def to_dict(self):
        output = super().to_dict()
        # Serialize the fields added in CogVLMConfig
        output['mlp_bias'] = self.mlp_bias
        output['attn_bias'] = self.attn_bias
        output['rotary_base'] = self.rotary_base
        output['rotary_scaling'] = self.rotary_scaling
        return output