// Copyright (c) 2015 - 2017 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
import { Layer, project32, picking, UNIT } from '@deck.gl/core';
import { Geometry } from '@luma.gl/engine';
import { Model } from '@luma.gl/engine';
import vs from "./scatterplot-layer-vertex.glsl.js";
import fs from "./scatterplot-layer-fragment.glsl.js";
const DEFAULT_COLOR = [0, 0, 0, 255];
const defaultProps = {
    radiusUnits: 'meters',
    radiusScale: { type: 'number', min: 0, value: 1 },
    radiusMinPixels: { type: 'number', min: 0, value: 0 }, //  min point radius in pixels
    radiusMaxPixels: { type: 'number', min: 0, value: Number.MAX_SAFE_INTEGER }, // max point radius in pixels
    lineWidthUnits: 'meters',
    lineWidthScale: { type: 'number', min: 0, value: 1 },
    lineWidthMinPixels: { type: 'number', min: 0, value: 0 },
    lineWidthMaxPixels: { type: 'number', min: 0, value: Number.MAX_SAFE_INTEGER },
    stroked: false,
    filled: true,
    billboard: false,
    antialiasing: true,
    getPosition: { type: 'accessor', value: (x) => x.position },
    getRadius: { type: 'accessor', value: 1 },
    getFillColor: { type: 'accessor', value: DEFAULT_COLOR },
    getLineColor: { type: 'accessor', value: DEFAULT_COLOR },
    getLineWidth: { type: 'accessor', value: 1 },
    // deprecated
    strokeWidth: { deprecatedFor: 'getLineWidth' },
    outline: { deprecatedFor: 'stroked' },
    getColor: { deprecatedFor: ['getFillColor', 'getLineColor'] }
};
/** Render circles at given coordinates. */
class ScatterplotLayer extends Layer {
    getShaders() {
        return super.getShaders({ vs, fs, modules: [project32, picking] });
    }
    initializeState() {
        this.getAttributeManager().addInstanced({
            instancePositions: {
                size: 3,
                type: 'float64',
                fp64: this.use64bitPositions(),
                transition: true,
                accessor: 'getPosition'
            },
            instanceRadius: {
                size: 1,
                transition: true,
                accessor: 'getRadius',
                defaultValue: 1
            },
            instanceFillColors: {
                size: this.props.colorFormat.length,
                transition: true,
                type: 'unorm8',
                accessor: 'getFillColor',
                defaultValue: [0, 0, 0, 255]
            },
            instanceLineColors: {
                size: this.props.colorFormat.length,
                transition: true,
                type: 'unorm8',
                accessor: 'getLineColor',
                defaultValue: [0, 0, 0, 255]
            },
            instanceLineWidths: {
                size: 1,
                transition: true,
                accessor: 'getLineWidth',
                defaultValue: 1
            }
        });
    }
    updateState(params) {
        super.updateState(params);
        if (params.changeFlags.extensionsChanged) {
            this.state.model?.destroy();
            this.state.model = this._getModel();
            this.getAttributeManager().invalidateAll();
        }
    }
    draw({ uniforms }) {
        const { radiusUnits, radiusScale, radiusMinPixels, radiusMaxPixels, stroked, filled, billboard, antialiasing, lineWidthUnits, lineWidthScale, lineWidthMinPixels, lineWidthMaxPixels } = this.props;
        const model = this.state.model;
        model.setUniforms(uniforms);
        model.setUniforms({
            stroked: stroked ? 1 : 0,
            filled,
            billboard,
            antialiasing,
            radiusUnits: UNIT[radiusUnits],
            radiusScale,
            radiusMinPixels,
            radiusMaxPixels,
            lineWidthUnits: UNIT[lineWidthUnits],
            lineWidthScale,
            lineWidthMinPixels,
            lineWidthMaxPixels
        });
        model.draw(this.context.renderPass);
    }
    _getModel() {
        // a square that minimally cover the unit circle
        const positions = [-1, -1, 0, 1, -1, 0, -1, 1, 0, 1, 1, 0];
        return new Model(this.context.device, {
            ...this.getShaders(),
            id: this.props.id,
            bufferLayout: this.getAttributeManager().getBufferLayouts(),
            geometry: new Geometry({
                topology: 'triangle-strip',
                attributes: {
                    positions: { size: 3, value: new Float32Array(positions) }
                }
            }),
            isInstanced: true
        });
    }
}
ScatterplotLayer.defaultProps = defaultProps;
ScatterplotLayer.layerName = 'ScatterplotLayer';
export default ScatterplotLayer;