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A part of the Lets-Plot library.
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/*
 * Copyright (c) 2023. JetBrains s.r.o.
 * Use of this source code is governed by the MIT license that can be found in the LICENSE file.
 */

package org.jetbrains.letsPlot.livemap.chart

import org.jetbrains.letsPlot.commons.intern.typedGeometry.Geometry
import org.jetbrains.letsPlot.commons.intern.typedGeometry.Scalar
import org.jetbrains.letsPlot.commons.intern.typedGeometry.Vec
import org.jetbrains.letsPlot.commons.intern.typedGeometry.times
import org.jetbrains.letsPlot.commons.values.Color
import org.jetbrains.letsPlot.livemap.Client
import org.jetbrains.letsPlot.livemap.Client.Companion.px
import org.jetbrains.letsPlot.livemap.World
import org.jetbrains.letsPlot.livemap.chart.donut.StrokeSide
import org.jetbrains.letsPlot.livemap.chart.path.ArrowSpec
import org.jetbrains.letsPlot.livemap.chart.text.TextSpec
import org.jetbrains.letsPlot.livemap.core.ecs.EcsComponent

// Predefined location of a chart element, used by map to initialize its viewport initial state
class ChartElementLocationComponent : EcsComponent {
    lateinit var geometry: Geometry
}

// Common rendering data - used for lines, polygons, pies, bars, points.
class ChartElementComponent : EcsComponent {
    var strokeWidth: Double = 0.0
    var fillColor: Color? = null
    var strokeColor: Color? = null
    var lineDash: DoubleArray? = null
    var arrowSpec: ArrowSpec? = null
    var lineheight: Double? = null

    var startPadding: Scalar = 0.px
    var endPadding: Scalar = 0.px

    var sizeScalingRange: ClosedRange? = null
    var alphaScalingEnabled: Boolean = false
    var scalingSizeFactor: Double = 1.0
    var scalingAlphaValue: Int? = null

    fun scaledStrokeColor() = alphaScaledColor(strokeColor!!, scalingAlphaValue)
    fun scaledFillColor() = alphaScaledColor(fillColor!!, scalingAlphaValue)
    fun scaledStrokeWidth() = strokeWidth * scalingSizeFactor
    fun scaledLineDash() = lineDash!!.map { it * scalingSizeFactor }.toDoubleArray()

    fun scaledStartPadding() = startPadding * scalingSizeFactor
    fun scaledEndPadding() = endPadding * scalingSizeFactor
}

class TextSpecComponent : EcsComponent {
    lateinit var textSpec: TextSpec
}

class PointComponent : EcsComponent {
    var size: Double = 0.0

    fun scaledRadius(scalingSizeFactor: Double) = size * scalingSizeFactor / 2.0
}

class PieSpecComponent : EcsComponent {
    var radius: Double = 0.0
    var holeSize: Double = 0.0
    var indices: List = emptyList()
    var sliceValues: List = emptyList()
    var fillColors: List = emptyList()
    var strokeColors: List = emptyList()
    var strokeWidths: List = emptyList()
    var explodeValues: List? = null
    var spacerColor: Color? = null
    var spacerWidth: Double = 0.0
    var strokeSide: StrokeSide? = null
}

class SearchResultComponent : EcsComponent {
    var hoverObjects: List = emptyList()
    var zoom : Int? = null
    var cursorPosition : Vec? = null
}

class IndexComponent(val layerIndex: Int, val index: Int): EcsComponent
class LocatorComponent(val locator: Locator): EcsComponent