/* *
 *
 *  (c) 2010-2019 Torstein Honsi
 *
 *  License: www.highcharts.com/license
 *
 *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
 *
 * */
'use strict';
import H from '../parts/Globals.js';
import U from '../parts/Utilities.js';
var extend = U.extend, pick = U.pick, pInt = U.pInt;
import '../parts/Axis.js';
import '../parts/Tick.js';
import './Pane.js';
var addEvent = H.addEvent, Axis = H.Axis, merge = H.merge, noop = H.noop, Tick = H.Tick, wrap = H.wrap, correctFloat = H.correctFloat, 
// @todo Extract this to a new file:
hiddenAxisMixin, 
// @todo Extract this to a new file
radialAxisMixin, axisProto = Axis.prototype, tickProto = Tick.prototype;
// Augmented methods for the x axis in order to hide it completely, used for
// the X axis in gauges
hiddenAxisMixin = {
    getOffset: noop,
    redraw: function () {
        this.isDirty = false; // prevent setting Y axis dirty
    },
    render: function () {
        this.isDirty = false; // prevent setting Y axis dirty
    },
    createLabelCollector: function () {
        return false;
    },
    setScale: noop,
    setCategories: noop,
    setTitle: noop
};
// Augmented methods for the value axis
radialAxisMixin = {
    // The default options extend defaultYAxisOptions
    defaultRadialGaugeOptions: {
        labels: {
            align: 'center',
            x: 0,
            y: null // auto
        },
        minorGridLineWidth: 0,
        minorTickInterval: 'auto',
        minorTickLength: 10,
        minorTickPosition: 'inside',
        minorTickWidth: 1,
        tickLength: 10,
        tickPosition: 'inside',
        tickWidth: 2,
        title: {
            rotation: 0
        },
        zIndex: 2 // behind dials, points in the series group
    },
    // Circular axis around the perimeter of a polar chart
    defaultRadialXOptions: {
        gridLineWidth: 1,
        labels: {
            align: null,
            distance: 15,
            x: 0,
            y: null,
            style: {
                textOverflow: 'none' // wrap lines by default (#7248)
            }
        },
        maxPadding: 0,
        minPadding: 0,
        showLastLabel: false,
        tickLength: 0
    },
    // Radial axis, like a spoke in a polar chart
    defaultRadialYOptions: {
        gridLineInterpolation: 'circle',
        labels: {
            align: 'right',
            x: -3,
            y: -2
        },
        showLastLabel: false,
        title: {
            x: 4,
            text: null,
            rotation: 90
        }
    },
    /* eslint-disable valid-jsdoc */
    /**
     * Merge and set options.
     * @private
     */
    setOptions: function (userOptions) {
        var options = this.options = merge(this.defaultOptions, this.defaultRadialOptions, userOptions);
        // Make sure the plotBands array is instanciated for each Axis
        // (#2649)
        if (!options.plotBands) {
            options.plotBands = [];
        }
        H.fireEvent(this, 'afterSetOptions');
    },
    /**
     * Wrap the getOffset method to return zero offset for title or labels in a
     * radial axis.
     * @private
     */
    getOffset: function () {
        // Call the Axis prototype method (the method we're in now is on the
        // instance)
        axisProto.getOffset.call(this);
        // Title or label offsets are not counted
        this.chart.axisOffset[this.side] = 0;
    },
    /**
     * Get the path for the axis line. This method is also referenced in the
     * getPlotLinePath method.
     * @private
     */
    getLinePath: function (lineWidth, radius) {
        var center = this.center, end, chart = this.chart, r = pick(radius, center[2] / 2 - this.offset), path;
        if (this.isCircular || radius !== undefined) {
            path = this.chart.renderer.symbols.arc(this.left + center[0], this.top + center[1], r, r, {
                start: this.startAngleRad,
                end: this.endAngleRad,
                open: true,
                innerR: 0
            });
            // Bounds used to position the plotLine label next to the line
            // (#7117)
            path.xBounds = [this.left + center[0]];
            path.yBounds = [this.top + center[1] - r];
        }
        else {
            end = this.postTranslate(this.angleRad, r);
            path = [
                'M',
                center[0] + chart.plotLeft,
                center[1] + chart.plotTop,
                'L',
                end.x,
                end.y
            ];
        }
        return path;
    },
    /**
     * Override setAxisTranslation by setting the translation to the
     * difference in rotation. This allows the translate method to return
     * angle for any given value.
     * @private
     */
    setAxisTranslation: function () {
        // Call uber method
        axisProto.setAxisTranslation.call(this);
        // Set transA and minPixelPadding
        if (this.center) { // it's not defined the first time
            if (this.isCircular) {
                this.transA = (this.endAngleRad - this.startAngleRad) /
                    ((this.max - this.min) || 1);
            }
            else {
                this.transA = ((this.center[2] / 2) /
                    ((this.max - this.min) || 1));
            }
            if (this.isXAxis) {
                this.minPixelPadding = this.transA * this.minPointOffset;
            }
            else {
                // This is a workaround for regression #2593, but categories
                // still don't position correctly.
                this.minPixelPadding = 0;
            }
        }
    },
    /**
     * In case of auto connect, add one closestPointRange to the max value
     * right before tickPositions are computed, so that ticks will extend
     * passed the real max.
     * @private
     */
    beforeSetTickPositions: function () {
        // If autoConnect is true, polygonal grid lines are connected, and
        // one closestPointRange is added to the X axis to prevent the last
        // point from overlapping the first.
        this.autoConnect = (this.isCircular &&
            pick(this.userMax, this.options.max) === undefined &&
            correctFloat(this.endAngleRad - this.startAngleRad) ===
                correctFloat(2 * Math.PI));
        if (this.autoConnect) {
            this.max += ((this.categories && 1) ||
                this.pointRange ||
                this.closestPointRange ||
                0); // #1197, #2260
        }
    },
    /**
     * Override the setAxisSize method to use the arc's circumference as
     * length. This allows tickPixelInterval to apply to pixel lengths along
     * the perimeter.
     * @private
     */
    setAxisSize: function () {
        axisProto.setAxisSize.call(this);
        if (this.isRadial) {
            // Set the center array
            this.pane.updateCenter(this);
            // The sector is used in Axis.translate to compute the
            // translation of reversed axis points (#2570)
            if (this.isCircular) {
                this.sector = this.endAngleRad - this.startAngleRad;
            }
            // Axis len is used to lay out the ticks
            this.len = this.width = this.height =
                this.center[2] * pick(this.sector, 1) / 2;
        }
    },
    /**
     * Returns the x, y coordinate of a point given by a value and a pixel
     * distance from center
     * @private
     */
    getPosition: function (value, length) {
        return this.postTranslate(this.isCircular ?
            this.translate(value) :
            this.angleRad, // #2848
        pick(this.isCircular ? length : this.translate(value), this.center[2] / 2) - this.offset);
    },
    /**
     * Translate from intermediate plotX (angle), plotY (axis.len - radius)
     * to final chart coordinates.
     * @private
     */
    postTranslate: function (angle, radius) {
        var chart = this.chart, center = this.center;
        angle = this.startAngleRad + angle;
        return {
            x: chart.plotLeft + center[0] + Math.cos(angle) * radius,
            y: chart.plotTop + center[1] + Math.sin(angle) * radius
        };
    },
    /**
     * Find the path for plot bands along the radial axis.
     * @private
     */
    getPlotBandPath: function (from, to, options) {
        var center = this.center, startAngleRad = this.startAngleRad, fullRadius = center[2] / 2, radii = [
            pick(options.outerRadius, '100%'),
            options.innerRadius,
            pick(options.thickness, 10)
        ], offset = Math.min(this.offset, 0), percentRegex = /%$/, start, end, angle, xOnPerimeter, open, isCircular = this.isCircular, // X axis in a polar chart
        ret;
        // Polygonal plot bands
        if (this.options.gridLineInterpolation === 'polygon') {
            ret = this.getPlotLinePath({ value: from }).concat(this.getPlotLinePath({ value: to, reverse: true }));
            // Circular grid bands
        }
        else {
            // Keep within bounds
            from = Math.max(from, this.min);
            to = Math.min(to, this.max);
            // Plot bands on Y axis (radial axis) - inner and outer radius
            // depend on to and from
            if (!isCircular) {
                radii[0] = this.translate(from);
                radii[1] = this.translate(to);
            }
            // Convert percentages to pixel values
            radii = radii.map(function (radius) {
                if (percentRegex.test(radius)) {
                    radius = (pInt(radius, 10) * fullRadius) / 100;
                }
                return radius;
            });
            // Handle full circle
            if (options.shape === 'circle' || !isCircular) {
                start = -Math.PI / 2;
                end = Math.PI * 1.5;
                open = true;
            }
            else {
                start = startAngleRad + this.translate(from);
                end = startAngleRad + this.translate(to);
            }
            radii[0] -= offset; // #5283
            radii[2] -= offset; // #5283
            ret = this.chart.renderer.symbols.arc(this.left + center[0], this.top + center[1], radii[0], radii[0], {
                // Math is for reversed yAxis (#3606)
                start: Math.min(start, end),
                end: Math.max(start, end),
                innerR: pick(radii[1], radii[0] - radii[2]),
                open: open
            });
            // Provide positioning boxes for the label (#6406)
            if (isCircular) {
                angle = (end + start) / 2;
                xOnPerimeter = (this.left +
                    center[0] +
                    (center[2] / 2) * Math.cos(angle));
                ret.xBounds = angle > -Math.PI / 2 && angle < Math.PI / 2 ?
                    // Right hemisphere
                    [xOnPerimeter, this.chart.plotWidth] :
                    // Left hemisphere
                    [0, xOnPerimeter];
                ret.yBounds = [
                    this.top + center[1] + (center[2] / 2) * Math.sin(angle)
                ];
                // Shift up or down to get the label clear of the perimeter
                ret.yBounds[0] += ((angle > -Math.PI && angle < 0) ||
                    (angle > Math.PI)) ? -10 : 10;
            }
        }
        return ret;
    },
    /* *
     * Find the path for plot lines perpendicular to the radial axis.
     */
    getPlotLinePath: function (options) {
        var axis = this, center = axis.center, chart = axis.chart, value = options.value, reverse = options.reverse, end = axis.getPosition(value), background = axis.pane.options.background ?
            (axis.pane.options.background[0] ||
                axis.pane.options.background) :
            {}, innerRadius = background.innerRadius || '0%', outerRadius = background.outerRadius || '100%', x1 = center[0] + chart.plotLeft, y1 = center[1] + chart.plotTop, x2 = end.x, y2 = end.y, a, b, xAxis, xy, tickPositions, ret;
        // Spokes
        if (axis.isCircular) {
            a = (typeof innerRadius === 'string') ?
                H.relativeLength(innerRadius, 1) : (innerRadius /
                Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2)));
            b = (typeof outerRadius === 'string') ?
                H.relativeLength(outerRadius, 1) : (outerRadius /
                Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2)));
            ret = [
                'M',
                x1 + a * (x2 - x1),
                y1 - a * (y1 - y2),
                'L',
                x2 - (1 - b) * (x2 - x1),
                y2 + (1 - b) * (y1 - y2)
            ];
            // Concentric circles
        }
        else if (axis.options.gridLineInterpolation === 'circle') {
            value = axis.translate(value);
            // a value of 0 is in the center, so it won't be visible,
            // but draw it anyway for update and animation (#2366)
            ret = axis.getLinePath(0, value);
            // Concentric polygons
        }
        else {
            // Find the X axis in the same pane
            chart.xAxis.forEach(function (a) {
                if (a.pane === axis.pane) {
                    xAxis = a;
                }
            });
            ret = [];
            value = axis.translate(value);
            tickPositions = xAxis.tickPositions;
            if (xAxis.autoConnect) {
                tickPositions = tickPositions.concat([tickPositions[0]]);
            }
            // Reverse the positions for concatenation of polygonal plot
            // bands
            if (reverse) {
                tickPositions = [].concat(tickPositions).reverse();
            }
            tickPositions.forEach(function (pos, i) {
                xy = xAxis.getPosition(pos, value);
                ret.push(i ? 'L' : 'M', xy.x, xy.y);
            });
        }
        return ret;
    },
    /* *
     * Find the position for the axis title, by default inside the gauge
     */
    getTitlePosition: function () {
        var center = this.center, chart = this.chart, titleOptions = this.options.title;
        return {
            x: chart.plotLeft + center[0] + (titleOptions.x || 0),
            y: (chart.plotTop +
                center[1] -
                ({
                    high: 0.5,
                    middle: 0.25,
                    low: 0
                }[titleOptions.align] *
                    center[2]) +
                (titleOptions.y || 0))
        };
    },
    /* *
     * Attach and return collecting function for labels in radial axis for
     * anti-collision.
     */
    createLabelCollector: function () {
        var axis = this;
        return function () {
            if (axis.isRadial &&
                axis.tickPositions &&
                // undocumented option for now, but working
                axis.options.labels.allowOverlap !== true) {
                return axis.tickPositions
                    .map(function (pos) {
                    return axis.ticks[pos] && axis.ticks[pos].label;
                })
                    .filter(function (label) {
                    return Boolean(label);
                });
            }
        };
    }
    /* eslint-enable valid-jsdoc */
};
/* eslint-disable no-invalid-this */
// Actions before axis init.
addEvent(Axis, 'init', function (e) {
    var chart = this.chart, angular = chart.angular, polar = chart.polar, isX = this.isXAxis, isHidden = angular && isX, isCircular, chartOptions = chart.options, paneIndex = e.userOptions.pane || 0, pane = this.pane =
        chart.pane && chart.pane[paneIndex];
    // Prevent changes for colorAxis
    if (this.coll === 'colorAxis') {
        this.isRadial = false;
        return;
    }
    // Before prototype.init
    if (angular) {
        extend(this, isHidden ? hiddenAxisMixin : radialAxisMixin);
        isCircular = !isX;
        if (isCircular) {
            this.defaultRadialOptions =
                this.defaultRadialGaugeOptions;
        }
    }
    else if (polar) {
        extend(this, radialAxisMixin);
        isCircular = isX;
        this.defaultRadialOptions = isX ?
            this.defaultRadialXOptions :
            merge(this.defaultYAxisOptions, this.defaultRadialYOptions);
    }
    // Disable certain features on angular and polar axes
    if (angular || polar) {
        this.isRadial = true;
        chart.inverted = false;
        chartOptions.chart.zoomType = null;
        if (!this.labelCollector) {
            this.labelCollector = this.createLabelCollector();
        }
        if (this.labelCollector) {
            // Prevent overlapping axis labels (#9761)
            chart.labelCollectors.push(this.labelCollector);
        }
    }
    else {
        this.isRadial = false;
    }
    // A pointer back to this axis to borrow geometry
    if (pane && isCircular) {
        pane.axis = this;
    }
    this.isCircular = isCircular;
});
addEvent(Axis, 'afterInit', function () {
    var chart = this.chart, options = this.options, isHidden = chart.angular && this.isXAxis, pane = this.pane, paneOptions = pane && pane.options;
    if (!isHidden && pane && (chart.angular || chart.polar)) {
        // Start and end angle options are
        // given in degrees relative to top, while internal computations are
        // in radians relative to right (like SVG).
        // Y axis in polar charts
        this.angleRad = (options.angle || 0) * Math.PI / 180;
        // Gauges
        this.startAngleRad =
            (paneOptions.startAngle - 90) * Math.PI / 180;
        this.endAngleRad = (pick(paneOptions.endAngle, paneOptions.startAngle + 360) - 90) * Math.PI / 180; // Gauges
        this.offset = options.offset || 0;
    }
});
// Wrap auto label align to avoid setting axis-wide rotation on radial axes
// (#4920)
addEvent(Axis, 'autoLabelAlign', function (e) {
    if (this.isRadial) {
        e.align = undefined;
        e.preventDefault();
    }
});
// Remove label collector function on axis remove/update
addEvent(Axis, 'destroy', function () {
    if (this.chart && this.chart.labelCollectors) {
        var index = this.chart.labelCollectors.indexOf(this.labelCollector);
        if (index >= 0) {
            this.chart.labelCollectors.splice(index, 1);
        }
    }
});
// Add special cases within the Tick class' methods for radial axes.
addEvent(Tick, 'afterGetPosition', function (e) {
    if (this.axis.getPosition) {
        extend(e.pos, this.axis.getPosition(this.pos));
    }
});
// Find the center position of the label based on the distance option.
addEvent(Tick, 'afterGetLabelPosition', function (e) {
    var axis = this.axis, label = this.label, labelBBox = label.getBBox(), labelOptions = axis.options.labels, optionsY = labelOptions.y, ret, centerSlot = 20, // 20 degrees to each side at the top and bottom
    align = labelOptions.align, angle = ((axis.translate(this.pos) + axis.startAngleRad +
        Math.PI / 2) / Math.PI * 180) % 360, correctAngle = Math.round(angle), labelDir = 'end', // Direction of the label 'start' or 'end'
    reducedAngle1 = correctAngle < 0 ?
        correctAngle + 360 : correctAngle, reducedAngle2 = reducedAngle1, translateY = 0, translateX = 0, labelYPosCorrection = labelOptions.y === null ? -labelBBox.height * 0.3 : 0;
    if (axis.isRadial) { // Both X and Y axes in a polar chart
        ret = axis.getPosition(this.pos, (axis.center[2] / 2) +
            H.relativeLength(pick(labelOptions.distance, -25), axis.center[2] / 2, -axis.center[2] / 2));
        // Automatically rotated
        if (labelOptions.rotation === 'auto') {
            label.attr({
                rotation: angle
            });
            // Vertically centered
        }
        else if (optionsY === null) {
            optionsY = (axis.chart.renderer
                .fontMetrics(label.styles && label.styles.fontSize).b -
                labelBBox.height / 2);
        }
        // Automatic alignment
        if (align === null) {
            if (axis.isCircular) { // Y axis
                if (labelBBox.width >
                    axis.len * axis.tickInterval / (axis.max - axis.min)) { // #3506
                    centerSlot = 0;
                }
                if (angle > centerSlot && angle < 180 - centerSlot) {
                    align = 'left'; // right hemisphere
                }
                else if (angle > 180 + centerSlot &&
                    angle < 360 - centerSlot) {
                    align = 'right'; // left hemisphere
                }
                else {
                    align = 'center'; // top or bottom
                }
            }
            else {
                align = 'center';
            }
            label.attr({
                align: align
            });
        }
        // Auto alignment for solid-gauges with two labels (#10635)
        if (align === 'auto' &&
            axis.tickPositions.length === 2 &&
            axis.isCircular) {
            // Angles reduced to 0 - 90 or 180 - 270
            if (reducedAngle1 > 90 && reducedAngle1 < 180) {
                reducedAngle1 = 180 - reducedAngle1;
            }
            else if (reducedAngle1 > 270 && reducedAngle1 <= 360) {
                reducedAngle1 = 540 - reducedAngle1;
            }
            // Angles reduced to 0 - 180
            if (reducedAngle2 > 180 && reducedAngle2 <= 360) {
                reducedAngle2 = 360 - reducedAngle2;
            }
            if ((axis.pane.options.startAngle === correctAngle) ||
                (axis.pane.options.startAngle === correctAngle + 360) ||
                (axis.pane.options.startAngle === correctAngle - 360)) {
                labelDir = 'start';
            }
            if ((correctAngle >= -90 && correctAngle <= 90) ||
                (correctAngle >= -360 && correctAngle <= -270) ||
                (correctAngle >= 270 && correctAngle <= 360)) {
                align = (labelDir === 'start') ? 'right' : 'left';
            }
            else {
                align = (labelDir === 'start') ? 'left' : 'right';
            }
            // For angles beetwen (90 + n * 180) +- 20
            if (reducedAngle2 > 70 && reducedAngle2 < 110) {
                align = 'center';
            }
            // auto Y translation
            if (reducedAngle1 < 15 ||
                (reducedAngle1 >= 180 && reducedAngle1 < 195)) {
                translateY = labelBBox.height * 0.3;
            }
            else if (reducedAngle1 >= 15 && reducedAngle1 <= 35) {
                translateY = labelDir === 'start' ?
                    0 : labelBBox.height * 0.75;
            }
            else if (reducedAngle1 >= 195 && reducedAngle1 <= 215) {
                translateY = labelDir === 'start' ?
                    labelBBox.height * 0.75 : 0;
            }
            else if (reducedAngle1 > 35 && reducedAngle1 <= 90) {
                translateY = labelDir === 'start' ?
                    -labelBBox.height * 0.25 : labelBBox.height;
            }
            else if (reducedAngle1 > 215 && reducedAngle1 <= 270) {
                translateY = labelDir === 'start' ?
                    labelBBox.height : -labelBBox.height * 0.25;
            }
            // auto X translation
            if (reducedAngle2 < 15) {
                translateX = labelDir === 'start' ?
                    -labelBBox.height * 0.15 : labelBBox.height * 0.15;
            }
            else if (reducedAngle2 > 165 && reducedAngle2 <= 180) {
                translateX = labelDir === 'start' ?
                    labelBBox.height * 0.15 : -labelBBox.height * 0.15;
            }
            label.attr({ align: align });
            label.translate(translateX, translateY + labelYPosCorrection);
        }
        e.pos.x = ret.x + labelOptions.x;
        e.pos.y = ret.y + optionsY;
    }
});
// Wrap the getMarkPath function to return the path of the radial marker
wrap(tickProto, 'getMarkPath', function (proceed, x, y, tickLength, tickWidth, horiz, renderer) {
    var axis = this.axis, endPoint, ret;
    if (axis.isRadial) {
        endPoint = axis.getPosition(this.pos, axis.center[2] / 2 + tickLength);
        ret = [
            'M',
            x,
            y,
            'L',
            endPoint.x,
            endPoint.y
        ];
    }
    else {
        ret = proceed.call(this, x, y, tickLength, tickWidth, horiz, renderer);
    }
    return ret;
});
