# pylint: disable=redefined-builtin,no-member,protected-access

import os
import torch

from modules import shared, devices


dtype_dict = {
    "int8": {"min": -128, "max": 127, "num_bits": 8, "target_dtype": torch.int8, "torch_dtype": torch.int8, "storage_dtype": torch.int8, "is_unsigned": False, "is_integer": True},
    "int7": {"min": -64, "max": 63, "num_bits": 7, "target_dtype": "int7", "torch_dtype": torch.int8, "storage_dtype": torch.uint8, "is_unsigned": False, "is_integer": True},
    "int6": {"min": -32, "max": 31, "num_bits": 6, "target_dtype": "int6", "torch_dtype": torch.int8, "storage_dtype": torch.uint8, "is_unsigned": False, "is_integer": True},
    "int5": {"min": -16, "max": 15, "num_bits": 5, "target_dtype": "int5", "torch_dtype": torch.int8, "storage_dtype": torch.uint8, "is_unsigned": False, "is_integer": True},
    "int4": {"min": -8, "max": 7, "num_bits": 4, "target_dtype": "int4", "torch_dtype": torch.int8, "storage_dtype": torch.uint8, "is_unsigned": False, "is_integer": True},
    "int3": {"min": -4, "max": 3, "num_bits": 3, "target_dtype": "int3", "torch_dtype": torch.int8, "storage_dtype": torch.uint8, "is_unsigned": False, "is_integer": True},
    "int2": {"min": -2, "max": 1, "num_bits": 2, "target_dtype": "int2", "torch_dtype": torch.int8, "storage_dtype": torch.uint8, "is_unsigned": False, "is_integer": True},
    "uint8": {"min": 0, "max": 255, "num_bits": 8, "target_dtype": torch.uint8, "torch_dtype": torch.uint8, "storage_dtype": torch.uint8, "is_unsigned": True, "is_integer": True},
    "uint7": {"min": 0, "max": 127, "num_bits": 7, "target_dtype": "uint7", "torch_dtype": torch.uint8, "storage_dtype": torch.uint8, "is_unsigned": True, "is_integer": True},
    "uint6": {"min": 0, "max": 63, "num_bits": 6, "target_dtype": "uint6", "torch_dtype": torch.uint8, "storage_dtype": torch.uint8, "is_unsigned": True, "is_integer": True},
    "uint5": {"min": 0, "max": 31, "num_bits": 5, "target_dtype": "uint5", "torch_dtype": torch.uint8, "storage_dtype": torch.uint8, "is_unsigned": True, "is_integer": True},
    "uint4": {"min": 0, "max": 15, "num_bits": 4, "target_dtype": "uint4", "torch_dtype": torch.uint8, "storage_dtype": torch.uint8, "is_unsigned": True, "is_integer": True},
    "uint3": {"min": 0, "max": 7, "num_bits": 3, "target_dtype": "uint3", "torch_dtype": torch.uint8, "storage_dtype": torch.uint8, "is_unsigned": True, "is_integer": True},
    "uint2": {"min": 0, "max": 3, "num_bits": 2, "target_dtype": "uint2", "torch_dtype": torch.uint8, "storage_dtype": torch.uint8, "is_unsigned": True, "is_integer": True},
    "uint1": {"min": 0, "max": 1, "num_bits": 1, "target_dtype": torch.bool, "torch_dtype": torch.bool, "storage_dtype": torch.bool, "is_unsigned": True, "is_integer": True},
    "float8_e4m3fn": {"min": -448, "max": 448, "num_bits": 8, "target_dtype": torch.float8_e4m3fn, "torch_dtype": torch.float8_e4m3fn, "storage_dtype": torch.float8_e4m3fn, "is_unsigned": False, "is_integer": False},
    "float8_e5m2": {"min": -57344, "max": 57344, "num_bits": 8, "target_dtype": torch.float8_e5m2, "torch_dtype": torch.float8_e5m2, "storage_dtype": torch.float8_e5m2, "is_unsigned": False, "is_integer": False},
}
dtype_dict["bool"] = dtype_dict["uint1"]
if hasattr(torch, "float8_e4m3fnuz"):
    dtype_dict["float8_e4m3fnuz"] = {"min": -240, "max": 240, "num_bits": 8, "target_dtype": "fp8", "torch_dtype": torch.float8_e4m3fnuz, "storage_dtype": torch.float8_e4m3fnuz, "is_unsigned": False, "is_integer": False}
if hasattr(torch, "float8_e5m2fnuz"):
    dtype_dict["float8_e5m2fnuz"] = {"min": -57344, "max": 57344, "num_bits": 8, "target_dtype": "fp8", "torch_dtype": torch.float8_e5m2fnuz, "storage_dtype": torch.float8_e5m2fnuz, "is_unsigned": False, "is_integer": False}

linear_types = {"Linear"}
conv_types = {"Conv1d", "Conv2d", "Conv3d"}
conv_transpose_types = {"ConvTranspose1d", "ConvTranspose2d", "ConvTranspose3d"}
allowed_types = set.union(linear_types, conv_types, conv_transpose_types)
accepted_weights = set(dtype_dict.keys())

use_torch_compile = shared.opts.sdnq_dequantize_compile # this setting requires a full restart of the webui to apply
is_rdna2 = bool(devices.backend == "rocm" and int(getattr(torch.cuda.get_device_properties(devices.device), "gcnArchName", "gfx0000")[3:]) < 1100)


if os.environ.get("SDNQ_USE_TENSORWISE_FP8_MM", None) is None:
    # row-wise FP8 only exist on H100 hardware, sdnq will use software row-wise with tensorwise hardware with this setting
    use_tensorwise_fp8_matmul = bool(devices.backend == "cuda" and torch.cuda.get_device_capability(devices.device) < (9,0))
else:
    use_tensorwise_fp8_matmul = os.environ.get("SDNQ_USE_TENSORWISE_FP8_MM", "0").lower() not in {"0", "false", "no"}

if os.environ.get("SDNQ_USE_CONTIGUOUS_MM", None) is None:
    use_contiguous_mm = bool(is_rdna2 or devices.backend in {"cpu", "ipex", "zluda"})
else:
    use_contiguous_mm = bool(os.environ.get("SDNQ_USE_CONTIGUOUS_MM", "0").lower() not in {"0", "false", "no"})

if os.environ.get("SDNQ_USE_TRITON_MM", None) is None:
    use_triton_mm = bool(is_rdna2 or devices.backend == "zluda")
else:
    use_triton_mm = bool(os.environ.get("SDNQ_USE_TRITON_MM", "0").lower() not in {"0", "false", "no"})


if use_triton_mm:
    try:
        from .triton_mm import int_mm
        int_mm_func = int_mm
    except ImportError:
        int_mm_func = torch._int_mm
else:
    int_mm_func = torch._int_mm


if use_torch_compile:
    torch._dynamo.config.cache_size_limit = max(8192, torch._dynamo.config.cache_size_limit)
    torch._dynamo.config.accumulated_recompile_limit = max(8192, torch._dynamo.config.accumulated_recompile_limit)
    def compile_func(fn, **kwargs):
        if kwargs.get("fullgraph", None) is None:
            kwargs["fullgraph"] = True
        if kwargs.get("dynamic", None) is None:
            kwargs["dynamic"] = False
        return torch.compile(fn, **kwargs)
else:
    def compile_func(fn, **kwargs): # pylint: disable=unused-argument
        return fn


module_skip_keys_dict = {
    "FluxTransformer2DModel": [
        ["single_transformer_blocks.0.norm.linear.weight", ".time_text_embed", ".context_embedder", ".x_embedder", ".proj_out", ".norm_out", "pos_embed"],
        {}
    ],
    "ChromaTransformer2DModel": [
        ["distilled_guidance_layer", ".time_text_embed", ".context_embedder", ".x_embedder", ".proj_out", ".norm_out", "pos_embed"],
        {}
    ],
    "QwenImageTransformer2DModel": [
        ["transformer_blocks.0.img_mod.1.weight", ".time_text_embed", ".txt_in", ".img_in", ".proj_out", ".norm_out", "pos_embed"],
        {}
    ],
    "WanTransformer3DModel": [
        ["scale_shift_table", ".rope", ".patch_embedding", ".condition_embedder", ".proj_out", ".norm_out", "pos_embed"],
        {}
    ],
    "NaDiT": [
        [".emb_in", ".txt_in", ".vid_in", ".emb_scale", ".vid_out", ".vid_out_norm", ".vid_out_ada"],
        {}
    ],
}

module_skip_keys_dict["NaDiTUpscaler"] = module_skip_keys_dict["NaDiT"]