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import {CAUSE} from "./constants";import AdjusterInterface from "./AdjusterInterface";import AdjusterError from "./AdjusterError";
/** * 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;	}
	/**	 * adjust type	 * @param {_TypeValues} values	 * @return {boolean} finished adjustment or not	 * @private	 */	__adjustType(values)	{		if(typeof values.adjustedValue === "number")		{			return false;		}
		const adjustedValue = Number(values.adjustedValue);
		if(!isNaN(adjustedValue))		{			values.adjustedValue = adjustedValue;			return false;		}
		// failed to cast		const cause = CAUSE.TYPE;		throw new AdjusterError(cause, values.originalValue);	}
	/**	 * set default value; enable to omit	 * @param {number} value default value	 * @return {NumberAdjuster}	 */	default(value)	{		this._default = value;		return this;	}
	/**	 * adjust	 * @param {_TypeValues} values	 * @return {boolean} finished adjustment or not	 * @private	 */	__adjustDefault(values)	{		if(values.adjustedValue !== undefined)		{			return false;		}
		if(this._default !== null)		{			values.adjustedValue = this._default;			return true;		}
		const cause = CAUSE.REQUIRED;		throw new AdjusterError(cause, values.originalValue);	}
	/**	 * 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;	}
	/**	 * adjust	 * @param {_TypeValues} values	 * @return {boolean} finished adjustment or not	 * @private	 */	__adjustEmpty(values)	{		if(values.adjustedValue !== "")		{			return false;		}
		if(this._allowEmpty)		{			values.adjustedValue = this._valueOnEmpty;			return true;		}
		const cause = CAUSE.EMPTY;		throw new AdjusterError(cause, values.originalValue);	}
	/**	 * accept only specified values	 * @param {...number} values values to be accepted	 * @return {NumberAdjuster}	 */	in(...values)	{		this._in = values;		return this;	}
	/**	 * adjust	 * @param {_TypeValues} values	 * @return {boolean} finished adjustment or not	 * @private	 */	__adjustIn(values)	{		if(this._in === null)		{			return false;		}		if(this._in.includes(values.adjustedValue))		{			return true;		}
		const cause = CAUSE.IN;		throw new AdjusterError(cause, values.originalValue);	}
	/**	 * 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;	}
	/**	 * adjust	 * @param {_TypeValues} values	 * @return {boolean} finished adjustment or not	 * @private	 */	__adjustMinValue(values)	{		if(this._minValue === null)		{			return false;		}		if(values.adjustedValue >= this._minValue)		{			return false;		}		if(this._adjustMinValue)		{			values.adjustedValue = this._minValue;			return false;		}
		const cause = CAUSE.MIN_VALUE;		throw new AdjusterError(cause, values.originalValue);	}
	/**	 * 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;	}
	/**	 * adjust	 * @param {_TypeValues} values	 * @return {boolean} finished adjustment or not	 * @private	 */	__adjustMaxValue(values)	{		if(this._maxValue === null)		{			return false;		}		if(values.adjustedValue <= this._maxValue)		{			return false;		}		if(this._adjustMaxValue)		{			values.adjustedValue = this._maxValue;			return false;		}
		const cause = CAUSE.MAX_VALUE;		throw new AdjusterError(cause, values.originalValue);	}
	/**	 * do adjust	 * @param {*} value value to be checked	 * @param {?_OnError} onError callback function on error	 * @return {number} adjusted value	 */	adjust(value, onError = null)	{		const values = {			originalValue: value,			adjustedValue: value,		};
		try		{			if(this.__adjustDefault(values))			{				return values.adjustedValue;			}			if(this.__adjustEmpty(values))			{				return values.adjustedValue;			}			if(this.__adjustType(values))			{				return values.adjustedValue;			}			if(this.__adjustIn(values))			{				return values.adjustedValue;			}			if(this.__adjustMinValue(values))			{				return values.adjustedValue;			}			if(this.__adjustMaxValue(values))			{				return values.adjustedValue;			}
			return values.adjustedValue;		}		catch(err)		{			return AdjusterInterface._handleError(onError, err.cause, err.value);		}	}}