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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
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from huggingface_hub.dataclasses import strict

from ...configuration_utils import PreTrainedConfig, SubConfigSpec
from ...modeling_rope_utils import RopeParameters
from ...utils import auto_docstring
from ..auto import AutoConfig


@auto_docstring(checkpoint="mistralai/Voxtral-Mini-4B-Realtime-2602")
@strict
class VoxtralRealtimeTextConfig(PreTrainedConfig):
    model_type = "voxtral_realtime_text"
    keys_to_ignore_at_inference = ["past_key_values"]
    base_model_tp_plan = {
        "layers.*.self_attn.q_proj": "colwise",
        "layers.*.self_attn.k_proj": "colwise",
        "layers.*.self_attn.v_proj": "colwise",
        "layers.*.self_attn.o_proj": "rowwise",
        "layers.*.mlp.gate_proj": "colwise",
        "layers.*.mlp.up_proj": "colwise",
        "layers.*.mlp.down_proj": "rowwise",
    }
    base_model_pp_plan = {
        "embed_tokens": (["input_ids"], ["inputs_embeds"]),
        "layers": (["hidden_states", "attention_mask"], ["hidden_states"]),
        "norm": (["hidden_states"], ["hidden_states"]),
    }

    vocab_size: int = 32000
    hidden_size: int = 4096
    intermediate_size: int = 14336
    num_hidden_layers: int = 32
    num_attention_heads: int = 32
    num_key_value_heads: int = 8
    head_dim: int | None = None
    hidden_act: str = "silu"
    max_position_embeddings: int = 4096 * 32
    initializer_range: float = 0.02
    rms_norm_eps: float = 1e-6
    use_cache: bool = True
    pad_token_id: int | None = None
    bos_token_id: int | None = 1
    eos_token_id: int | list[int] | None = 2
    rope_parameters: RopeParameters | dict | None = None
    sliding_window: int | None = 4096
    attention_dropout: float | int = 0.0

    def __post_init__(self, **kwargs):
        self.head_dim = self.head_dim if self.head_dim is not None else self.hidden_size // self.num_attention_heads
        if self.num_key_value_heads is None:
            self.num_key_value_heads = self.num_attention_heads

        return super().__post_init__(**kwargs)


@auto_docstring(checkpoint="mistralai/Voxtral-Mini-4B-Realtime-2602")
@strict
class VoxtralRealtimeEncoderConfig(PreTrainedConfig):
    r"""
    Example:

    ```python
    >>> from transformers import VoxtralRealtimeEncoderConfig, VoxtralRealtimeEncoder

    >>> # Initializing a VoxtralRealtimeEncoderConfig
    >>> configuration = VoxtralRealtimeEncoderConfig()

    >>> # Initializing a VoxtralRealtimeEncoder (with random weights)
    >>> model = VoxtralRealtimeEncoder(configuration)

    >>> # Accessing the model configuration
    >>> configuration = model.config
    ```"""

    model_type = "voxtral_realtime_encoder"

    attribute_map = {
        "d_model": "hidden_size",
        "encoder_layers": "num_hidden_layers",
        "encoder_attention_heads": "num_attention_heads",
        "encoder_ffn_dim": "intermediate_size",
        "encoder_layerdrop": "layerdrop",
        "num_key_value_heads": "num_attention_heads",
    }

    vocab_size: int = 131072
    hidden_size: int = 1280
    intermediate_size: int = 5120
    num_hidden_layers: int = 32
    num_attention_heads: int = 32
    activation_function: str = "gelu"
    num_mel_bins: int = 128
    initializer_range: float = 0.02
    attention_dropout: float | int = 0.0
    hidden_act: str = "silu"
    max_position_embeddings: int = 1500
    rms_norm_eps: float = 1e-05
    rope_parameters: RopeParameters | dict | None = None
    sliding_window: int = 750
    head_dim: int = 64
    use_cache: bool = True

    def __post_init__(self, **kwargs):
        self.head_dim = self.head_dim if self.head_dim is not None else self.hidden_size // self.num_attention_heads
        super().__post_init__(**kwargs)


@auto_docstring(checkpoint="mistralai/Voxtral-Mini-4B-Realtime-2602")
@strict
class VoxtralRealtimeConfig(PreTrainedConfig):
    r"""
    audio_length_per_tok (`int`, *optional*, defaults to 8):
        The number of audio frames corresponding to each text token.
    default_num_delay_tokens (`int`, *optional*, defaults to 6):
        The default number of delay tokens used for streaming.
    downsample_factor (`int`, *optional*, defaults to 4):
        The downsampling factor applied to audio features before projection.

    ```python
    >>> from transformers import VoxtralRealtimeForConditionalGeneration, VoxtralRealtimeConfig

    >>> # Initializing a VoxtralRealtime configuration
    >>> configuration = VoxtralRealtimeConfig()

    >>> # Initializing a model with random weights
    >>> model = VoxtralRealtimeForConditionalGeneration(configuration)

    >>> # Accessing the model configuration
    >>> configuration = model.config
    ```
    """

    model_type = "voxtral_realtime"
    sub_configs_defaults = {
        "text_config": SubConfigSpec(
            config_class=AutoConfig,
            model_type="voxtral_realtime_text",
            init_kwargs={
                "vocab_size": 131072,
                "hidden_size": 3072,
                "intermediate_size": 9216,
                "num_hidden_layers": 26,
                "num_attention_heads": 32,
                "num_key_value_heads": 8,
                "max_position_embeddings": 131072,
                "rms_norm_eps": 1e-05,
                "use_cache": True,
                "rope_theta": 1000000.0,
                "head_dim": 128,
                "tie_word_embeddings": True,
                "sliding_window": 8192,
            },
        ),
        "audio_config": SubConfigSpec(config_class=AutoConfig, model_type="voxtral_realtime_encoder"),
    }

    audio_config: dict | PreTrainedConfig | None = None
    text_config: dict | PreTrainedConfig | None = None
    projector_hidden_act: str = "gelu"
    audio_length_per_tok: int = 8
    default_num_delay_tokens: int = 6
    downsample_factor: int = 4
    tie_word_embeddings: bool = True
    use_cache: bool = True

    def __post_init__(self, **kwargs):
        # Keep for BC only - shouldn't appear in new releases!
        if isinstance(self.text_config, dict):
            self.text_config = {**self.sub_configs_defaults["text_config"].init_kwargs, **self.text_config}
        super().__post_init__(**kwargs)
        self.hidden_size = self.text_config.hidden_size


__all__ = ["VoxtralRealtimeEncoderConfig", "VoxtralRealtimeConfig", "VoxtralRealtimeTextConfig"]