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import {CAUSE} from "./constants";import AdjusterInterface from "./AdjusterInterface";
/** * adjuster for number */export default class NumberAdjuster extends AdjusterInterface{	/**	 * constructor	 */	constructor()	{		super();
		/** @type {?number} */		this._default = null;		/** @type {boolean} */		this._allowEmpty = false;		/** @type {?number} */		this._valueOnEmpty = null;		/** @type {number[]} */		this._in = null;		/** @type {?number} */		this._minValue = null;		/** @type {boolean} */		this._adjustMinValue = false;		/** @type {?number} */		this._maxValue = null;		/** @type {boolean} */		this._adjustMaxValue = false;	}
	/**	 * set default value; enable to omit	 * @param {number} value default value	 * @return {NumberAdjuster}	 */	default(value)	{		this._default = value;		return this;	}
	/**	 * allow empty string; will be adjusted to 0	 * @param {?number} [value=null] value on empty	 * @return {NumberAdjuster}	 */	allowEmpty(value = null)	{		this._allowEmpty = true;		this._valueOnEmpty = value;		return this;	}
	/**	 * accept only specified values	 * @param {...number} values values to be accepted	 * @return {NumberAdjuster}	 */	in(...values)	{		this._in = values;		return this;	}
	/**	 * set min-value	 * @param {number} value min-value	 * @param {boolean} [adjust=false] adjust to min-value if value < min-value; default is ERROR	 * @return {NumberAdjuster}	 */	minValue(value, adjust = false)	{		this._minValue = value;		this._adjustMinValue = adjust;		return this;	}
	/**	 * set max-value	 * @param {number} value max-value	 * @param {boolean} [adjust=false] adjust to max-value if value > max-value; default is ERROR	 * @return {NumberAdjuster}	 */	maxValue(value, adjust = false)	{		this._maxValue = value;		this._adjustMaxValue = adjust;		return this;	}
	/**	 * do adjust	 * @param {*} value value to be checked	 * @param {?_OnError} onError callback function on error	 * @return {number} adjusted value	 */	adjust(value, onError = null)	{		// omitted		if(value === undefined)		{			if(this._default === null)			{				const cause = CAUSE.REQUIRED;				return AdjusterInterface._handleError(onError, cause, value);			}			return this._default;		}
		// empty string		if(value === "")		{			if(!this._allowEmpty)			{				const cause = CAUSE.EMPTY;				return AdjusterInterface._handleError(onError, cause, value);			}			return this._valueOnEmpty;		}
		let adjustedValue = Number(value);
		// failed to cast		if(isNaN(adjustedValue))		{			const cause = CAUSE.TYPE;			return AdjusterInterface._handleError(onError, cause, value);		}
		if(this._in !== null)		{			if(!this._in.includes(adjustedValue))			{				const cause = CAUSE.IN;				return AdjusterInterface._handleError(onError, cause, value);			}			return adjustedValue;		}
		if(this._minValue !== null && adjustedValue < this._minValue)		{			if(!this._adjustMinValue)			{				const cause = CAUSE.MIN_VALUE;				return AdjusterInterface._handleError(onError, cause, value);			}			return this._minValue;		}		if(this._maxValue !== null && adjustedValue > this._maxValue)		{			if(!this._adjustMaxValue)			{				const cause = CAUSE.MAX_VALUE;				return AdjusterInterface._handleError(onError, cause, value);			}			return this._maxValue;		}
		return adjustedValue;	}}