/**
 * DevExtreme (viz/series/helpers/range_data_calculator.js)
 * Version: 16.2.6
 * Build date: Tue Mar 28 2017
 *
 * Copyright (c) 2012 - 2017 Developer Express Inc. ALL RIGHTS RESERVED
 * EULA: https://www.devexpress.com/Support/EULAs/DevExtreme.xml
 */
"use strict";
var $ = require("jquery"),
    _math = Math,
    _abs = _math.abs,
    _min = _math.min,
    _max = _math.max,
    _each = $.each,
    _isEmptyObject = $.isEmptyObject,
    commonUtils = require("../../../core/utils/common"),
    _isDefined = commonUtils.isDefined,
    _isFinite = isFinite,
    unique = require("../../core/utils").unique,
    MIN_VISIBLE = "minVisible",
    MAX_VISIBLE = "maxVisible",
    DISCRETE = "discrete";

function _truncateValue(data, value) {
    var min = data.min,
        max = data.max;
    data.min = value < min || !_isDefined(min) ? value : min;
    data.max = value > max || !_isDefined(max) ? value : max
}

function _processValue(series, type, value, prevValue, calcInterval) {
    var interval, isDiscrete = ("arg" === type ? series.argumentAxisType : series.valueAxisType) === DISCRETE,
        data = series._rangeData[type],
        minInterval = data.interval;
    if (isDiscrete) {
        data.categories = data.categories || [];
        data.categories.push(value)
    } else {
        if (!isDiscrete) {
            _truncateValue(data, value);
            if ("arg" === type) {
                interval = (_isDefined(prevValue) ? _abs(calcInterval ? calcInterval(value, prevValue) : value - prevValue) : interval) || minInterval;
                data.interval = _isDefined(interval) && (interval < minInterval || !_isDefined(minInterval)) ? interval : minInterval
            }
        }
    }
}

function _addToVisibleRange(series, value) {
    var data = series._rangeData.val,
        isDiscrete = series.valueAxisType === DISCRETE;
    if (!isDiscrete) {
        if (value < data.minVisible || !_isDefined(data.minVisible)) {
            data.minVisible = value
        }
        if (value > data.maxVisible || !_isDefined(data.maxVisible)) {
            data.maxVisible = value
        }
    }
}

function _processRangeValue(series, val, minVal) {
    var data = series._rangeData.val;
    if (series.valueAxisType === DISCRETE) {
        data.categories = data.categories || [];
        data.categories.push(val, minVal)
    } else {
        _truncateValue(data, val);
        _truncateValue(data, minVal)
    }
}

function _processZoomArgument(series, zoomArgs, isDiscrete) {
    var minArg, maxArg, data = series._rangeData.arg;
    if (isDiscrete) {
        data.minVisible = zoomArgs.minArg;
        data.maxVisible = zoomArgs.maxArg;
        return
    }
    minArg = zoomArgs.minArg < zoomArgs.maxArg ? zoomArgs.minArg : zoomArgs.maxArg;
    maxArg = zoomArgs.maxArg > zoomArgs.minArg ? zoomArgs.maxArg : zoomArgs.minArg;
    data.min = minArg < data.min ? minArg : data.min;
    data.max = maxArg > data.max ? maxArg : data.max;
    data.minVisible = minArg;
    data.maxVisible = maxArg
}

function _correctZoomValue(series, zoomArgs) {
    var minVal, maxVal;
    if (_isDefined(zoomArgs.minVal) && _isDefined(zoomArgs.maxVal)) {
        minVal = zoomArgs.minVal < zoomArgs.maxVal ? zoomArgs.minVal : zoomArgs.maxVal;
        maxVal = zoomArgs.maxVal > zoomArgs.minVal ? zoomArgs.maxVal : zoomArgs.minVal
    }
    if (_isDefined(zoomArgs.minVal)) {
        series._rangeData.val.min = minVal < series._rangeData.val.min ? minVal : series._rangeData.val.min;
        series._rangeData.val.minVisible = minVal
    }
    if (_isDefined(zoomArgs.maxVal)) {
        series._rangeData.val.max = maxVal > series._rangeData.val.max ? maxVal : series._rangeData.val.max;
        series._rangeData.val.maxVisible = maxVal
    }
}

function _processZoomValue(series, zoomArgs) {
    var lastVisibleIndex, adjustOnZoom = zoomArgs.adjustOnZoom,
        points = series._points || [],
        prevPointAdded = false,
        rangeData = series._rangeData,
        errorBarCorrector = series.getErrorBarRangeCorrector();
    _each(points, function(index, point) {
        var arg = point.argument,
            prevPoint = index > 0 ? points[index - 1] : null;
        if (adjustOnZoom && series.argumentAxisType !== DISCRETE && arg >= rangeData.arg.minVisible && arg <= rangeData.arg.maxVisible) {
            if (!prevPointAdded) {
                if (prevPoint && prevPoint.hasValue()) {
                    _addToVisibleRange(series, prevPoint.value);
                    _correctMinMaxByErrorBar(rangeData.val, prevPoint, errorBarCorrector, MIN_VISIBLE, MAX_VISIBLE)
                }
                prevPointAdded = true
            }
            if (point.hasValue()) {
                _addToVisibleRange(series, point.value);
                _correctMinMaxByErrorBar(rangeData.val, point, errorBarCorrector, MIN_VISIBLE, MAX_VISIBLE)
            }
            lastVisibleIndex = index
        }
    });
    if (_isDefined(lastVisibleIndex) && lastVisibleIndex < points.length - 1 && points[lastVisibleIndex + 1].hasValue()) {
        _addToVisibleRange(series, points[lastVisibleIndex + 1].value)
    }
    _correctZoomValue(series, zoomArgs)
}

function _processZoomRangeValue(series, zoomArgs, maxValueName, minValueName) {
    var lastVisibleIndex, adjustOnZoom = zoomArgs.adjustOnZoom,
        points = series._points || [],
        argRangeData = series._rangeData.arg,
        prevPointAdded = false;
    _each(points, function(index, point) {
        var arg = point.argument,
            prevPoint = index > 0 ? points[index - 1] : null;
        if (adjustOnZoom && series.argumentAxisType !== DISCRETE && arg >= argRangeData.minVisible && arg <= argRangeData.maxVisible) {
            if (!prevPointAdded) {
                if (prevPoint && prevPoint.hasValue()) {
                    _addToVisibleRange(series, prevPoint[maxValueName]);
                    _addToVisibleRange(series, prevPoint[minValueName])
                }
                prevPointAdded = true
            }
            if (point.hasValue()) {
                _addToVisibleRange(series, point[maxValueName]);
                _addToVisibleRange(series, point[minValueName])
            }
            lastVisibleIndex = index
        }
    });
    if (_isDefined(lastVisibleIndex) && lastVisibleIndex < points.length - 1 && points[lastVisibleIndex + 1].hasValue()) {
        _addToVisibleRange(series, points[lastVisibleIndex + 1].value)
    }
    _correctZoomValue(series, zoomArgs)
}

function _processNewInterval(series, calcInterval) {
    var data = series._rangeData,
        points = series._points || [],
        isArgumentAxisDiscrete = series.argumentAxisType === DISCRETE;
    delete data.arg.interval;
    _each(points, function(index, point) {
        var arg = point.argument,
            prevPoint = index > 0 ? points[index - 1] : null,
            prevArg = prevPoint && prevPoint.argument;
        !isArgumentAxisDiscrete && _processValue(series, "arg", arg, prevArg, calcInterval)
    })
}

function _fillRangeData(series) {
    var data = series._rangeData;
    data.val.categories && (data.val.categories = unique(data.val.categories));
    data.arg.axisType = series.argumentAxisType;
    data.arg.dataType = series.argumentType;
    data.val.axisType = series.valueAxisType;
    data.val.dataType = series.valueType
}

function processTwoValues(series, point, prevPoint, highValueName, lowValueName) {
    var val = point[highValueName],
        minVal = point[lowValueName],
        arg = point.argument,
        prevVal = prevPoint && prevPoint[highValueName],
        prevMinVal = prevPoint && prevPoint[lowValueName],
        prevArg = prevPoint && prevPoint.argument;
    point.hasValue() && _processRangeValue(series, val, minVal, prevVal, prevMinVal);
    _processValue(series, "arg", arg, prevArg)
}

function calculateRangeMinValue(series, zoomArgs) {
    var data = series._rangeData.val,
        minVisible = data[MIN_VISIBLE],
        maxVisible = data[MAX_VISIBLE];
    zoomArgs = zoomArgs || {};
    if (data) {
        if ("logarithmic" !== series.valueAxisType && "datetime" !== series.valueType && false !== series.showZero) {
            data[MIN_VISIBLE] = minVisible > (zoomArgs.minVal || 0) ? zoomArgs.minVal || 0 : minVisible;
            data[MAX_VISIBLE] = maxVisible < (zoomArgs.maxVal || 0) ? zoomArgs.maxVal || 0 : maxVisible;
            data.min = data.min > 0 ? 0 : data.min;
            data.max = data.max < 0 ? 0 : data.max
        }
    }
}

function processFullStackedRange(series) {
    var data = series._rangeData.val,
        isRangeEmpty = _isEmptyObject(data);
    data.percentStick = true;
    if (!isRangeEmpty) {
        data.min = data.min > 0 ? 0 : data.min;
        data.max = data.max < 0 ? 0 : data.max
    }
}

function _correctMinMaxByErrorBar(data, point, getMinMaxCorrector, minSelector, maxSelector) {
    if (!getMinMaxCorrector) {
        return
    }
    var correctionData = getMinMaxCorrector(point),
        minError = _min.apply(void 0, correctionData),
        maxError = _max.apply(void 0, correctionData);
    if (_isFinite(minError) && data[minSelector] > minError) {
        data[minSelector] = minError
    }
    if (_isFinite(maxError) && data[maxSelector] < maxError) {
        data[maxSelector] = maxError
    }
}

function processRange(series, point, prevPoint, getMinMaxCorrector) {
    var val = point.value,
        arg = point.argument,
        prevVal = prevPoint && prevPoint.value,
        prevArg = prevPoint && prevPoint.argument;
    point.hasValue() && _processValue(series, "val", val, prevVal);
    _processValue(series, "arg", arg, prevArg);
    _correctMinMaxByErrorBar(series._rangeData.val, point, getMinMaxCorrector, "min", "max")
}

function addLabelPaddings(series) {
    var valueData, labelOptions = series.getOptions().label;
    if (series.areLabelsVisible() && labelOptions && labelOptions.visible && "inside" !== labelOptions.position) {
        valueData = series._rangeData.val;
        if (valueData.min < 0) {
            valueData.minSpaceCorrection = true
        }
        if (valueData.max > 0) {
            valueData.maxSpaceCorrection = true
        }
    }
}

function addRangeSeriesLabelPaddings(series) {
    var data = series._rangeData.val;
    if (series.areLabelsVisible() && series._options.label.visible && "inside" !== series._options.label.position) {
        data.minSpaceCorrection = data.maxSpaceCorrection = true
    }
}

function calculateRangeData(series, zoomArgs, calcIntervalFunction, maxValueName, minValueName) {
    var valueData = series._rangeData.val,
        isRangeSeries = !!maxValueName && !!minValueName,
        isDiscrete = series.argumentAxisType === DISCRETE;
    if (zoomArgs && _isDefined(zoomArgs.minArg) && _isDefined(zoomArgs.maxArg)) {
        if (!isDiscrete) {
            valueData[MIN_VISIBLE] = zoomArgs.minVal;
            valueData[MAX_VISIBLE] = zoomArgs.maxVal
        }
        _processZoomArgument(series, zoomArgs, isDiscrete);
        if (isRangeSeries) {
            _processZoomRangeValue(series, zoomArgs, maxValueName, minValueName)
        } else {
            _processZoomValue(series, zoomArgs)
        }
    } else {
        if (!zoomArgs && calcIntervalFunction) {
            _processNewInterval(series, calcIntervalFunction)
        }
    }
    _fillRangeData(series)
}
module.exports = {
    processRange: processRange,
    calculateRangeData: calculateRangeData,
    addLabelPaddings: addLabelPaddings,
    addRangeSeriesLabelPaddings: addRangeSeriesLabelPaddings,
    processFullStackedRange: processFullStackedRange,
    calculateRangeMinValue: calculateRangeMinValue,
    processTwoValues: processTwoValues
};
