/**
* Copyright 2012-2017, Plotly, Inc.
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/


'use strict';

var hasColorscale = require('../../components/colorscale/has_colorscale');
var colorscaleDefaults = require('../../components/colorscale/defaults');


module.exports = function lineDefaults(traceIn, traceOut, defaultColor, layout, coerce, opts) {
    var markerColor = (traceIn.marker || {}).color;

    coerce('line.color', defaultColor);

    if(hasColorscale(traceIn, 'line')) {
        colorscaleDefaults(traceIn, traceOut, layout, coerce, {prefix: 'line.', cLetter: 'c'});
    }
    else {
        var lineColorDflt = (Array.isArray(markerColor) ? false : markerColor) || defaultColor;
        coerce('line.color', lineColorDflt);
    }

    coerce('line.width');
    if(!(opts || {}).noDash) coerce('line.dash');
};
