const Util = require('../util/common');

class Plot {

constructor(cfg) {

Util.mix(this, cfg);

this._init();

}

_init() {

const self = this;

const start = self.start;

const end = self.end;

const xMin = Math.min(start.x, end.x);

const xMax = Math.max(start.x, end.x);

const yMin = Math.min(start.y, end.y);

const yMax = Math.max(start.y, end.y);

this.tl = {

x: xMin,

y: yMin

};

this.tr = {

x: xMax,

y: yMin

};

this.bl = {

x: xMin,

y: yMax

};

this.br = {

x: xMax,

y: yMax

};

this.width = xMax - xMin;

this.height = yMax - yMin;

}

/**

* reset

* @param {Object} start start point

* @param {Object} end end point

*/

reset(start, end) {

this.start = start;

this.end = end;

this._init();

}

/**

* check the point is in the range of plot

* @param {Nubmer} x x value

* @param {[type]} y y value

* @return {Boolean} return the result

*/

isInRange(x, y) {

if (Util.isObject(x)) {

y = x.y;

x = x.x;

}

const tl = this.tl;

const br = this.br;

return tl.x <= x && x <= br.x && tl.y <= y && y <= br.y;

}

}

module.exports = Plot;