import bpy

from .models import gs_model_enum_items, model_enum_items
from .runtime import device_enum_items


class SnapFormSettings(bpy.types.PropertyGroup):
    input_path: bpy.props.StringProperty(
        name="Image or Video",
        description="A single image or video file used for reconstruction",
        subtype="FILE_PATH",
    )
    background_input_path: bpy.props.StringProperty(
        name="Image",
        description="A single image used to test BEN2 background removal",
        subtype="FILE_PATH",
    )
    video_frames: bpy.props.IntProperty(
        name="Extract Frames",
        description="Maximum number of consecutive frames extracted from the start of a video or frame sequence",
        default=16,
        min=1,
        soft_max=64,
    )
    model: bpy.props.EnumProperty(
        name="Model",
        description="Depth Anything 3 model",
        items=model_enum_items,
    )
    gs_model: bpy.props.EnumProperty(
        name="Model",
        description="Depth Anything 3 model with a Gaussian head",
        items=gs_model_enum_items,
    )
    device: bpy.props.EnumProperty(
        name="Debug Device",
        description=(
            "Inference device used by Debug tasks only; production tasks use "
            "the Device setting in the Add-on Preferences"
        ),
        items=device_enum_items,
        default=0,
    )
    process_res: bpy.props.IntProperty(
        name="Process Res",
        description="DA3 base processing resolution",
        default=504,
        min=1,
        soft_max=2048,
    )
    process_res_method: bpy.props.EnumProperty(
        name="Process Res Method",
        description="DA3 image resize method",
        items=(
            (
                "upper_bound_resize",
                "Upper Bound Resize",
                "Make Process Res the longer side",
            ),
            (
                "lower_bound_resize",
                "Lower Bound Resize",
                "Make Process Res the shorter side",
            ),
        ),
        default="upper_bound_resize",
    )
    conf_thresh_percentile: bpy.props.FloatProperty(
        name="Confidence Threshold",
        description="Remove the lowest-confidence percentile of points or surface faces",
        default=40.0,
        min=0.0,
        max=100.0,
        subtype="PERCENTAGE",
    )
    num_max_points: bpy.props.IntProperty(
        name="Num Max Points",
        description="DA3 GLB maximum point count",
        default=1_000_000,
        min=1,
        soft_max=5_000_000,
    )
    show_cameras: bpy.props.BoolProperty(
        name="Show Cameras",
        description="Include DA3 camera wireframes in the GLB export",
        default=True,
    )
    use_ray_pose: bpy.props.BoolProperty(
        name="Use Ray Pose",
        description="Use the slower and more accurate ray-based pose estimation",
        default=False,
    )
    ref_view_strategy: bpy.props.EnumProperty(
        name="Ref View Strategy",
        description="DA3 reference view selection strategy",
        items=(
            ("first", "First", "Always use the first view"),
            ("middle", "Middle", "Use the middle view"),
            (
                "saddle_balanced",
                "Saddle Balanced",
                "Select a view with balanced feature metrics",
            ),
            (
                "saddle_sim_range",
                "Saddle Sim Range",
                "Select the view with the largest similarity range",
            ),
        ),
        default="saddle_balanced",
    )
    export_format: bpy.props.EnumProperty(
        name="Output Type",
        description="Result generated by the DA3 debug task",
        items=(
            (
                "glb",
                "Point Cloud (GLB)",
                "Generate a colored point cloud and optional cameras",
            ),
            (
                "gs_ply",
                "Gaussian Splats (PLY)",
                "Generate a 3D Gaussian Splatting PLY",
            ),
            (
                "depth_vis",
                "Depth Preview (Images)",
                "Generate image and colored-depth preview pairs",
            ),
            (
                "mini_npz",
                "Depth Data (NPZ)",
                "Generate compact depth, confidence, and camera data",
            ),
            (
                "mesh",
                "Textured Surface (GLB)",
                "Generate one filtered textured depth surface per input image",
            ),
        ),
        default="glb",
    )
    mesh_filter_edges: bpy.props.BoolProperty(
        name="Filter Depth Edges",
        description="Remove faces around sharp depth transitions",
        default=True,
    )
    mesh_max_edge_length: bpy.props.FloatProperty(
        name="Max Edge Length",
        description=(
            "Remove faces with an edge longer than this scene distance; "
            "zero disables the test"
        ),
        default=0.1,
        min=0.0,
        soft_max=2.0,
    )
    gs_views_interval: bpy.props.IntProperty(
        name="GS Views Interval",
        description="Export 3D Gaussians every N input views",
        default=1,
        min=1,
    )
    status: bpy.props.StringProperty(
        name="Status",
        default="Ready",
        options={"SKIP_SAVE"},
    )
    progress: bpy.props.FloatProperty(
        name="Progress",
        default=0.0,
        min=0.0,
        max=1.0,
        subtype="FACTOR",
        options={"SKIP_SAVE"},
    )