"""Presets for texture generation."""

from typing import Dict, Any

# Preset definitions with optimized prompts and parameters
TEXTURE_PRESETS: Dict[str, Dict[str, Any]] = {
    "Wood Texture": {
        "prompt": "seamless wood texture, natural grain, high detail, tiling pattern",
        "negative_prompt": "blurry, low quality, distorted",
        "guidance_scale": 7.5,
        "num_inference_steps": 50,
        "width": 1024,
        "height": 1024,
    },
    "Fabric Texture": {
        "prompt": "seamless fabric texture, woven material, soft surface, repeating pattern",
        "negative_prompt": "hard surface, metal, plastic",
        "guidance_scale": 7.5,
        "num_inference_steps": 50,
        "width": 1024,
        "height": 1024,
    },
    "Metal Texture": {
        "prompt": "seamless metal texture, brushed steel, reflective surface, industrial",
        "negative_prompt": "soft, fabric, organic",
        "guidance_scale": 8.0,
        "num_inference_steps": 60,
        "width": 1024,
        "height": 1024,
    },
    "Stone Texture": {
        "prompt": "seamless stone texture, natural rock surface, rough texture, tiling",
        "negative_prompt": "smooth, polished, artificial",
        "guidance_scale": 7.5,
        "num_inference_steps": 50,
        "width": 1024,
        "height": 1024,
    },
    "Brick Texture": {
        "prompt": "seamless brick texture, red bricks, mortar lines, repeating pattern",
        "negative_prompt": "smooth, uniform, painted",
        "guidance_scale": 7.5,
        "num_inference_steps": 50,
        "width": 1024,
        "height": 1024,
    },
    "Leather Texture": {
        "prompt": "seamless leather texture, natural grain, soft surface, high detail",
        "negative_prompt": "synthetic, plastic, smooth",
        "guidance_scale": 7.5,
        "num_inference_steps": 50,
        "width": 1024,
        "height": 1024,
    },
    "Concrete Texture": {
        "prompt": "seamless concrete texture, rough surface, industrial, tiling pattern",
        "negative_prompt": "smooth, polished, painted",
        "guidance_scale": 7.5,
        "num_inference_steps": 50,
        "width": 1024,
        "height": 1024,
    },
    "Marble Texture": {
        "prompt": "seamless marble texture, natural veins, polished surface, elegant",
        "negative_prompt": "rough, matte, artificial",
        "guidance_scale": 8.0,
        "num_inference_steps": 60,
        "width": 1024,
        "height": 1024,
    },
}


def get_preset(name: str) -> Dict[str, Any] | None:
    """Get a preset by name.
    
    Args:
        name: Name of the preset.
        
    Returns:
        Preset dictionary or None if not found.
    """
    return TEXTURE_PRESETS.get(name)


def list_presets() -> list[str]:
    """List all available preset names.
    
    Returns:
        List of preset names.
    """
    return list(TEXTURE_PRESETS.keys())


def get_preset_prompt(name: str) -> str | None:
    """Get the prompt for a preset.
    
    Args:
        name: Name of the preset.
        
    Returns:
        Prompt string or None if preset not found.
    """
    preset = get_preset(name)
    return preset.get("prompt") if preset else None


def get_preset_params(name: str) -> Dict[str, Any] | None:
    """Get parameters for a preset (excluding prompt).
    
    Args:
        name: Name of the preset.
        
    Returns:
        Dictionary of parameters or None if preset not found.
    """
    preset = get_preset(name)
    if not preset:
        return None
    
    # Return all params except prompt
    params = preset.copy()
    params.pop("prompt", None)
    return params