# SPDX-License-Identifier: Apache-2.0
"""MiniMaxVL01 model configuration"""

from transformers.configuration_utils import PretrainedConfig
from transformers.models.auto import CONFIG_MAPPING

from .minimax_text_01 import MiniMaxText01Config


class MiniMaxVL01Config(PretrainedConfig):
    model_type = "minimax_vl_01"

    def __init__(
        self,
        vision_config=None,
        text_config=None,
        ignore_index=-100,
        image_token_index=32000,
        projector_hidden_act="gelu",
        vision_feature_select_strategy="default",
        vision_feature_layer=-2,
        image_grid_pinpoints=None,
        tie_word_embeddings=False,
        image_seq_length=576,
        **kwargs,
    ):
        self.ignore_index = ignore_index
        self.image_token_index = image_token_index
        self.projector_hidden_act = projector_hidden_act
        self.image_seq_length = image_seq_length

        if vision_feature_select_strategy not in ["default", "full"]:
            raise ValueError("vision_feature_select_strategy should " +
                             "be one of 'default', 'full'." +
                             f"Got: {vision_feature_select_strategy}")

        self.vision_feature_select_strategy = vision_feature_select_strategy
        self.vision_feature_layer = vision_feature_layer
        image_grid_pinpoints = (
            image_grid_pinpoints if image_grid_pinpoints is not None else
            [[336, 672], [672, 336], [672, 672], [1008, 336], [336, 1008]])
        self.image_grid_pinpoints = image_grid_pinpoints

        if isinstance(vision_config, dict):
            if "model_type" not in vision_config:
                vision_config["model_type"] = "clip_vision_model"
            vision_config = CONFIG_MAPPING[vision_config["model_type"]](
                **vision_config)
        elif vision_config is None:
            vision_config = CONFIG_MAPPING["clip_vision_model"](
                intermediate_size=4096,
                hidden_size=1024,
                patch_size=14,
                image_size=336,
                num_hidden_layers=24,
                num_attention_heads=16,
                vocab_size=32000,
                projection_dim=768,
            )

        self.vision_config = vision_config

        if text_config is not None:
            text_config = MiniMaxText01Config(**text_config)
        else:
            text_config = MiniMaxText01Config()

        self.text_config = text_config

        super().__init__(tie_word_embeddings=tie_word_embeddings, **kwargs)
