import { EventEmitter, OnInit, ElementRef, AfterViewInit, OnDestroy } from '@angular/core';
import { FormBuilder, FormGroup } from '@angular/forms';
import * as i0 from "@angular/core";
export interface TextareaQueryConfig {
    fields: TextareaQueryField[];
    operators: TextareaQueryOperator[];
    defaultCondition?: 'and' | 'or';
}
export interface TextareaQueryField {
    key: string;
    label: string;
    type: string;
    description?: string;
    unit?: string;
    options?: {
        label: string;
        value: any;
    }[];
    operators?: string[];
}
export interface TextareaQueryOperator {
    value: string;
    label: string;
    description?: string;
    types?: string[];
}
export interface TextareaQueryGroup {
    condition: 'and' | 'or';
    rules: (TextareaQueryRule | TextareaQueryGroup)[];
}
export interface TextareaQueryRule {
    field: string;
    operator: string;
    value: any;
    condition?: 'and' | 'or';
}
export interface SuggestionItem {
    id: string;
    name: string;
    label: string;
    description?: string;
    unit?: string;
    value: string;
    type: 'field' | 'operator' | 'value' | 'condition';
}
export interface DropdownPosition {
    top: number;
    left: number;
}
export declare class QueryBuilderTextareaComponent implements OnInit, AfterViewInit, OnDestroy {
    private fb;
    config: TextareaQueryConfig;
    queryChange: EventEmitter<TextareaQueryGroup>;
    suggestionSelected: EventEmitter<SuggestionItem>;
    queryTextarea: ElementRef<HTMLTextAreaElement>;
    dropdown: ElementRef<HTMLDivElement>;
    form: FormGroup;
    suggestions: SuggestionItem[];
    filteredSuggestions: SuggestionItem[];
    isDropdownVisible: boolean;
    selectedIndex: number;
    dropdownPosition: DropdownPosition;
    selectedSuggestion: SuggestionItem | null;
    isDatePickerVisible: boolean;
    datePickerPosition: DropdownPosition;
    currentDateField: string | null;
    currentDateOperator: string | null;
    showDualDatePicker: boolean;
    firstDateSelected: Date | null;
    secondDateSelected: Date | null;
    private destroy$;
    private searchSubject;
    private cursorPosition;
    private currentContext;
    private lastSelectedField;
    private readonly DEBOUNCE_DELAY;
    private readonly MAX_SUGGESTIONS;
    constructor(fb: FormBuilder);
    onDocumentClick(event: Event): void;
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    private setupSearchStream;
    private setupTextareaEvents;
    private initSuggestions;
    private updateCursorPosition;
    /**
     * Gets text up to the cursor position
     */
    getTillCursor(): string;
    /**
     * Gets the last word before cursor position
     */
    getLastWordBeforeCursor(): string;
    /**
     * Inserts text at the position of the current word
     */
    insertWord(text: string, appendOnly?: boolean): void;
    private insertSuggestion;
    onApply(): void;
    onReset(): void;
    private onTextareaInput;
    private onTextareaBlur;
    private updateContext;
    private filterSuggestionsByContext;
    private getContextSuggestions;
    private getOperatorSuggestions;
    private getValueSuggestions;
    private calculateRelevanceScore;
    private parseQuery;
    private parseAndEmitQuery;
    private onKeyDown;
    private getCurrentWord;
    private getCurrentWordBounds;
    private getPreviousTokens;
    private isAfterOperator;
    private isAfterField;
    private isAfterValue;
    private getLastField;
    onSuggestionClick(suggestion: SuggestionItem): void;
    private selectSuggestion;
    onOptionSelected(event: any): void;
    private searchSuggestions;
    private hideDropdown;
    private showOperatorSuggestions;
    private showValueSuggestions;
    private updateDropdownPosition;
    private showDatePicker;
    private updateDatePickerPosition;
    private getCurrentOperator;
    onFirstDateSelected(date: Date): void;
    onSecondDateSelected(date: Date): void;
    private insertDateValue;
    private insertDateRangeValue;
    private formatDate;
    private insertTextAtCursor;
    hideDatePicker(): void;
    private getCursorCoordinates;
    private scrollToSelected;
    private parseRule;
    static ɵfac: i0.ɵɵFactoryDeclaration<QueryBuilderTextareaComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<QueryBuilderTextareaComponent, "sa-query-builder-textarea", never, { "config": { "alias": "config"; "required": false; }; }, { "queryChange": "queryChange"; "suggestionSelected": "suggestionSelected"; }, never, never, true, never>;
}