import { GpuShaderDefinition } from '../../gpu/porters';
import { transformPosition, transformColor } from '../../utilities/transformations';
import { BoundingBoxOrigin } from '../../types';

/** Resolve the active analytic shape type (compile-time `shapeType`, else the shape JSON's type). */
export interface ComponentProps {
    /**
     * Reference edge the center position is measured from (center default). Lets you pin the shape relative to a corner or the canvas centre.
     *
     * @default "center"
     */
    origin: BoundingBoxOrigin;
    /**
     * Center position of the neon shape
     *
     * Accepts `{ x, y }` objects with values from 0 to 1, or CSS positions like `top center`.
     * @default {"x":0.5,"y":0.5}
     */
    center: Parameters<typeof transformPosition>[0];
    /**
     * Scale of the neon shape (1 = default size)
     *
     * Accepts a number between 0.1 and 3.
     * @default 1
     */
    scale: number;
    /**
     * Rotation of the neon shape in degrees
     *
     * Accepts a number between 0 and 360.
     * @default 0
     */
    rotation: number;
    /**
     * Primary neon tube color
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#00ddff"
     */
    color: Parameters<typeof transformColor>[0];
    /**
     * Shadow-side color for a two-tone / dual-lit pipe look
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#ff00aa"
     */
    secondaryColor: Parameters<typeof transformColor>[0];
    /**
     * Blend between mono (0) and two-tone (1) tube coloring
     *
     * Accepts a number between 0 and 1.
     * @default 0.5
     */
    secondaryBlend: number;
    /**
     * Color of the outer glow / bloom
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#00ddff"
     */
    glowColor: Parameters<typeof transformColor>[0];
    /**
     * How far inward from the boundary the tube extends. Low = thin neon outline, high = thick 3D pipe
     *
     * Accepts a number between 0 and 1.
     * @default 0.2
     */
    tubeThickness: number;
    /**
     * Overall brightness multiplier
     *
     * Accepts a number between 0.5 and 4.
     * @default 1.5
     */
    intensity: number;
    /**
     * Bright white-hot center line — the gas discharge glow inside the tube
     *
     * Accepts a number between 0 and 1.
     * @default 0.6
     */
    hotCoreIntensity: number;
    /**
     * Outer glow / bloom strength
     *
     * Accepts a number between 0 and 2.
     * @default 0.6
     */
    glowIntensity: number;
    /**
     * How far the glow extends beyond the tube
     *
     * Accepts a number between 0.01 and 1.
     * @default 0.25
     */
    glowRadius: number;
    /**
     * Directional light angle in degrees — controls 3D shading on the tube
     *
     * Accepts a number between 0 and 360.
     * @default 300
     */
    lightAngle: number;
    /**
     * Specular highlight brightness on the tube surface
     *
     * Accepts a number between 0 and 2.
     * @default 0.5
     */
    specularIntensity: number;
    /**
     * Specular highlight size — 0 = tight pinpoint, 1 = broad sheen
     *
     * Accepts a number between 0 and 1.
     * @default 0.5
     */
    specularSize: number;
    /**
     * Rounds sharp corners to mimic how real glass tubes curve at bends
     *
     * Accepts a number between 0 and 1.
     * @default 0.15
     */
    cornerSmoothing: number;
    /**
     * Flicker animation speed — 0 = off, higher = faster sporadic on/off
     *
     * Accepts a number between 0 and 5.
     * @default 0
     */
    flickerSpeed: number;
    /**
     * How often the neon flickers off — 0 = always on, 1 = frequent outages
     *
     * Accepts a number between 0 and 1.
     * @default 0.2
     */
    flickerAmount: number;
    /**
     * Flow animation speed — 0 = off, light rotates through the tube
     *
     * Accepts a number between 0 and 5.
     * @default 0
     */
    flowSpeed: number;
    /**
     * Strength of the flowing brightness variation — 0 = uniform, 1 = dramatic
     *
     * Accepts a number between 0 and 1.
     * @default 0.3
     */
    flowAmount: number;
    /**
     * Serialized shape configuration (JSON)
     *
     * @default "DEFAULT_SHAPE_CONFIG"
     */
    shape: string | Record<string, unknown>;
    /**
     * URL to a pre-generated SDF .bin file — when non-empty, activates SVG mode and triggers a shader recompile
     *
     * @default ""
     */
    shapeSdfUrl: string;
    /**
     * Active SDF shape type — triggers recompile when shape is switched. When empty, derived from shape JSON at mount time.
     *
     * @default ""
     */
    shapeType: string;
}
export declare const componentDefinition: GpuShaderDefinition<ComponentProps>;
export default componentDefinition;
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