/**
 * DevExtreme (esm/__internal/ui/text_box/m_text_editor.mask.rule.js)
 * Version: 24.1.7-build-24272-1937
 * Build date: Sat Sep 28 2024
 *
 * Copyright (c) 2012 - 2024 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import {
    extend
} from "../../../core/utils/extend";
import {
    isFunction
} from "../../../core/utils/type";
const EMPTY_CHAR = " ";
class BaseMaskRule {
    constructor(config) {
        this._value = " ";
        extend(this, config)
    }
    next(rule) {
        if (!arguments.length) {
            return this._next
        }
        this._next = rule
    }
    _prepareHandlingArgs(args, config) {
        config = config || {};
        const handlingProperty = Object.prototype.hasOwnProperty.call(args, "value") ? "value" : "text";
        args[handlingProperty] = config.str ?? args[handlingProperty];
        args.start = config.start ?? args.start;
        args.length = config.length ?? args.length;
        args.index += 1;
        return args
    }
    first(index) {
        index = index || 0;
        return this.next().first(index + 1)
    }
    isAccepted(caret) {
        return false
    }
    adjustedCaret(caret, isForwardDirection, char) {
        return isForwardDirection ? this._adjustedForward(caret, 0, char) : this._adjustedBackward(caret, 0, char)
    }
    _adjustedForward(caret, index, char) {}
    _adjustedBackward(caret, index, char) {}
    isValid(args) {}
    reset() {}
    clear(args) {}
    text() {}
    value() {}
    rawValue() {}
    handle(args) {}
}
export class EmptyMaskRule extends BaseMaskRule {
    next() {}
    handle() {
        return 0
    }
    text() {
        return ""
    }
    value() {
        return ""
    }
    first() {
        return 0
    }
    rawValue() {
        return ""
    }
    adjustedCaret() {
        return 0
    }
    isValid() {
        return true
    }
}
export class MaskRule extends BaseMaskRule {
    text() {
        return (" " !== this._value ? this._value : this.maskChar) + this.next().text()
    }
    value() {
        return this._value + this.next().value()
    }
    rawValue() {
        return this._value + this.next().rawValue()
    }
    handle(args) {
        const str = Object.prototype.hasOwnProperty.call(args, "value") ? args.value : args.text;
        if (!str || !str.length || !args.length) {
            return 0
        }
        if (args.start) {
            return this.next().handle(this._prepareHandlingArgs(args, {
                start: args.start - 1
            }))
        }
        const char = str[0];
        const rest = str.substring(1);
        this._tryAcceptChar(char, args);
        return this._accepted() ? this.next().handle(this._prepareHandlingArgs(args, {
            str: rest,
            length: args.length - 1
        })) + 1 : this.handle(this._prepareHandlingArgs(args, {
            str: rest,
            length: args.length - 1
        }))
    }
    clear(args) {
        this._tryAcceptChar(" ", args);
        this.next().clear(this._prepareHandlingArgs(args))
    }
    reset() {
        this._accepted(false);
        this.next().reset()
    }
    _tryAcceptChar(char, args) {
        this._accepted(false);
        if (!this._isAllowed(char, args)) {
            return
        }
        const acceptedChar = " " === char ? this.maskChar : char;
        args.fullText = args.fullText.substring(0, args.index) + acceptedChar + args.fullText.substring(args.index + 1);
        this._accepted(true);
        this._value = char
    }
    _accepted(value) {
        if (!arguments.length) {
            return !!this._isAccepted
        }
        this._isAccepted = !!value
    }
    first(index) {
        return " " === this._value ? index || 0 : super.first(index)
    }
    _isAllowed(char, args) {
        if (" " === char) {
            return true
        }
        return this._isValid(char, args)
    }
    _isValid(char, args) {
        const {
            allowedChars: allowedChars
        } = this;
        if (allowedChars instanceof RegExp) {
            return allowedChars.test(char)
        }
        if (isFunction(allowedChars)) {
            return allowedChars(char, args.index, args.fullText)
        }
        if (Array.isArray(allowedChars)) {
            return allowedChars.includes(char)
        }
        return allowedChars === char
    }
    isAccepted(caret) {
        return 0 === caret ? this._accepted() : this.next().isAccepted(caret - 1)
    }
    _adjustedForward(caret, index, char) {
        if (index >= caret) {
            return index
        }
        return this.next()._adjustedForward(caret, index + 1, char) || index + 1
    }
    _adjustedBackward(caret, index) {
        if (index >= caret - 1) {
            return caret
        }
        return this.next()._adjustedBackward(caret, index + 1) || index + 1
    }
    isValid(args) {
        return this._isValid(this._value, args) && this.next().isValid(this._prepareHandlingArgs(args))
    }
}
export class StubMaskRule extends MaskRule {
    value() {
        return this.next().value()
    }
    handle(args) {
        const hasValueProperty = Object.prototype.hasOwnProperty.call(args, "value");
        const str = hasValueProperty ? args.value : args.text;
        if (!str.length || !args.length) {
            return 0
        }
        if (args.start || hasValueProperty) {
            return this.next().handle(this._prepareHandlingArgs(args, {
                start: args.start && args.start - 1
            }))
        }
        const char = str[0];
        const rest = str.substring(1);
        this._tryAcceptChar(char);
        const nextArgs = this._isAllowed(char) ? this._prepareHandlingArgs(args, {
            str: rest,
            length: args.length - 1
        }) : args;
        return this.next().handle(nextArgs) + 1
    }
    clear(args) {
        this._accepted(false);
        this.next().clear(this._prepareHandlingArgs(args))
    }
    _tryAcceptChar(char) {
        this._accepted(this._isValid(char))
    }
    _isValid(char) {
        return char === this.maskChar
    }
    first(index) {
        index = index || 0;
        return this.next().first(index + 1)
    }
    _adjustedForward(caret, index, char) {
        if (index >= caret && char === this.maskChar) {
            return index
        }
        if (caret === index + 1 && this._accepted()) {
            return caret
        }
        return this.next()._adjustedForward(caret, index + 1, char)
    }
    _adjustedBackward(caret, index) {
        if (index >= caret - 1) {
            return 0
        }
        return this.next()._adjustedBackward(caret, index + 1)
    }
    isValid(args) {
        return this.next().isValid(this._prepareHandlingArgs(args))
    }
}
