import * as i0 from '@angular/core';
import { forwardRef, EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, Input, Output, NgModule } from '@angular/core';
import * as i1 from '@angular/common';
import { CommonModule } from '@angular/common';
import { NG_VALUE_ACCESSOR } from '@angular/forms';

const KNOB_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => Knob),
    multi: true
};
class Knob {
    constructor(cd, el) {
        this.cd = cd;
        this.el = el;
        this.valueColor = "var(--primary-color, Black)";
        this.rangeColor = "var(--surface-d, LightGray)";
        this.textColor = "var(--text-color-secondary, Black)";
        this.valueTemplate = "{value}";
        this.size = 100;
        this.step = 1;
        this.min = 0;
        this.max = 100;
        this.strokeWidth = 14;
        this.showValue = true;
        this.readonly = false;
        this.onChange = new EventEmitter();
        this.radius = 40;
        this.midX = 50;
        this.midY = 50;
        this.minRadians = 4 * Math.PI / 3;
        this.maxRadians = -Math.PI / 3;
        this.value = null;
        this.onModelChange = () => { };
        this.onModelTouched = () => { };
    }
    mapRange(x, inMin, inMax, outMin, outMax) {
        return (x - inMin) * (outMax - outMin) / (inMax - inMin) + outMin;
    }
    onClick(event) {
        if (!this.disabled && !this.readonly) {
            this.updateValue(event.offsetX, event.offsetY);
        }
    }
    updateValue(offsetX, offsetY) {
        let dx = offsetX - this.size / 2;
        let dy = this.size / 2 - offsetY;
        let angle = Math.atan2(dy, dx);
        let start = -Math.PI / 2 - Math.PI / 6;
        this.updateModel(angle, start);
    }
    updateModel(angle, start) {
        let mappedValue;
        if (angle > this.maxRadians)
            mappedValue = this.mapRange(angle, this.minRadians, this.maxRadians, this.min, this.max);
        else if (angle < start)
            mappedValue = this.mapRange(angle + 2 * Math.PI, this.minRadians, this.maxRadians, this.min, this.max);
        else
            return;
        let newValue = Math.round((mappedValue - this.min) / this.step) * this.step + this.min;
        this.value = newValue;
        this.onModelChange(this.value);
        this.onChange.emit(this.value);
    }
    onMouseDown(event) {
        if (!this.disabled && !this.readonly) {
            this.windowMouseMoveListener = this.onMouseMove.bind(this);
            this.windowMouseUpListener = this.onMouseUp.bind(this);
            window.addEventListener('mousemove', this.windowMouseMoveListener);
            window.addEventListener('mouseup', this.windowMouseUpListener);
            event.preventDefault();
        }
    }
    onMouseUp(event) {
        if (!this.disabled && !this.readonly) {
            window.removeEventListener('mousemove', this.windowMouseMoveListener);
            window.removeEventListener('mouseup', this.windowMouseUpListener);
            this.windowMouseUpListener = null;
            this.windowMouseMoveListener = null;
            event.preventDefault();
        }
    }
    onTouchStart(event) {
        if (!this.disabled && !this.readonly) {
            this.windowTouchMoveListener = this.onTouchMove.bind(this);
            this.windowTouchEndListener = this.onTouchEnd.bind(this);
            window.addEventListener('touchmove', this.windowTouchMoveListener);
            window.addEventListener('touchend', this.windowTouchEndListener);
            event.preventDefault();
        }
    }
    onTouchEnd(event) {
        if (!this.disabled && !this.readonly) {
            window.removeEventListener('touchmove', this.windowTouchMoveListener);
            window.removeEventListener('touchend', this.windowTouchEndListener);
            this.windowTouchMoveListener = null;
            this.windowTouchEndListener = null;
            event.preventDefault();
        }
    }
    onMouseMove(event) {
        if (!this.disabled && !this.readonly) {
            this.updateValue(event.offsetX, event.offsetY);
            event.preventDefault();
        }
    }
    onTouchMove(event) {
        if (!this.disabled && !this.readonly && event.touches.length == 1) {
            const rect = this.el.nativeElement.children[0].getBoundingClientRect();
            const touch = event.targetTouches.item(0);
            const offsetX = touch.clientX - rect.left;
            const offsetY = touch.clientY - rect.top;
            this.updateValue(offsetX, offsetY);
        }
    }
    writeValue(value) {
        this.value = value;
        this.cd.markForCheck();
    }
    registerOnChange(fn) {
        this.onModelChange = fn;
    }
    registerOnTouched(fn) {
        this.onModelTouched = fn;
    }
    setDisabledState(val) {
        this.disabled = val;
        this.cd.markForCheck();
    }
    containerClass() {
        return {
            'p-knob p-component': true,
            'p-disabled': this.disabled
        };
    }
    rangePath() {
        return `M ${this.minX()} ${this.minY()} A ${this.radius} ${this.radius} 0 1 1 ${this.maxX()} ${this.maxY()}`;
    }
    valuePath() {
        return `M ${this.zeroX()} ${this.zeroY()} A ${this.radius} ${this.radius} 0 ${this.largeArc()} ${this.sweep()} ${this.valueX()} ${this.valueY()}`;
    }
    zeroRadians() {
        if (this.min > 0 && this.max > 0)
            return this.mapRange(this.min, this.min, this.max, this.minRadians, this.maxRadians);
        else
            return this.mapRange(0, this.min, this.max, this.minRadians, this.maxRadians);
    }
    valueRadians() {
        return this.mapRange(this._value, this.min, this.max, this.minRadians, this.maxRadians);
    }
    minX() {
        return this.midX + Math.cos(this.minRadians) * this.radius;
    }
    minY() {
        return this.midY - Math.sin(this.minRadians) * this.radius;
    }
    maxX() {
        return this.midX + Math.cos(this.maxRadians) * this.radius;
    }
    maxY() {
        return this.midY - Math.sin(this.maxRadians) * this.radius;
    }
    zeroX() {
        return this.midX + Math.cos(this.zeroRadians()) * this.radius;
    }
    zeroY() {
        return this.midY - Math.sin(this.zeroRadians()) * this.radius;
    }
    valueX() {
        return this.midX + Math.cos(this.valueRadians()) * this.radius;
    }
    valueY() {
        return this.midY - Math.sin(this.valueRadians()) * this.radius;
    }
    largeArc() {
        return Math.abs(this.zeroRadians() - this.valueRadians()) < Math.PI ? 0 : 1;
    }
    sweep() {
        return this.valueRadians() > this.zeroRadians() ? 0 : 1;
    }
    valueToDisplay() {
        return this.valueTemplate.replace("{value}", this._value.toString());
    }
    get _value() {
        return this.value != null ? this.value : this.min;
    }
}
Knob.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: Knob, deps: [{ token: i0.ChangeDetectorRef }, { token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Component });
Knob.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "13.0.0", type: Knob, selector: "p-knob", inputs: { styleClass: "styleClass", style: "style", severity: "severity", valueColor: "valueColor", rangeColor: "rangeColor", textColor: "textColor", valueTemplate: "valueTemplate", name: "name", size: "size", step: "step", min: "min", max: "max", strokeWidth: "strokeWidth", disabled: "disabled", showValue: "showValue", readonly: "readonly" }, outputs: { onChange: "onChange" }, host: { classAttribute: "p-element" }, providers: [KNOB_VALUE_ACCESSOR], ngImport: i0, template: `
        <div [ngClass]="containerClass()" [class]="styleClass" [ngStyle]="style">
        <svg viewBox="0 0 100 100" [style.width]="size + 'px'" [style.height]="size + 'px'" (click)="onClick($event)" (mousedown)="onMouseDown($event)" (mouseup)="onMouseUp($event)"
            (touchstart)="onTouchStart($event)" (touchend)="onTouchEnd($event)">
            <path [attr.d]="rangePath()" [attr.stroke-width]="strokeWidth" [attr.stroke]="rangeColor" class="p-knob-range"></path>
            <path [attr.d]="valuePath()" [attr.stroke-width]="strokeWidth" [attr.stroke]="valueColor" class="p-knob-value"></path>
            <text *ngIf="showValue" [attr.x]="50" [attr.y]="57" text-anchor="middle" [attr.fill]="textColor" class="p-knob-text" [attr.name]="name">{{valueToDisplay()}}</text>
        </svg>
        </div>
    `, isInline: true, styles: ["@keyframes dash-frame{to{stroke-dashoffset:0}}.p-knob-range{fill:none;transition:stroke .1s ease-in}.p-knob-value{animation-name:dash-frame;animation-fill-mode:forwards;fill:none}.p-knob-text{font-size:1.3rem;text-align:center}\n"], directives: [{ type: i1.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { type: i1.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }, { type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: Knob, decorators: [{
            type: Component,
            args: [{ selector: 'p-knob', template: `
        <div [ngClass]="containerClass()" [class]="styleClass" [ngStyle]="style">
        <svg viewBox="0 0 100 100" [style.width]="size + 'px'" [style.height]="size + 'px'" (click)="onClick($event)" (mousedown)="onMouseDown($event)" (mouseup)="onMouseUp($event)"
            (touchstart)="onTouchStart($event)" (touchend)="onTouchEnd($event)">
            <path [attr.d]="rangePath()" [attr.stroke-width]="strokeWidth" [attr.stroke]="rangeColor" class="p-knob-range"></path>
            <path [attr.d]="valuePath()" [attr.stroke-width]="strokeWidth" [attr.stroke]="valueColor" class="p-knob-value"></path>
            <text *ngIf="showValue" [attr.x]="50" [attr.y]="57" text-anchor="middle" [attr.fill]="textColor" class="p-knob-text" [attr.name]="name">{{valueToDisplay()}}</text>
        </svg>
        </div>
    `, providers: [KNOB_VALUE_ACCESSOR], changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, host: {
                        'class': 'p-element'
                    }, styles: ["@keyframes dash-frame{to{stroke-dashoffset:0}}.p-knob-range{fill:none;transition:stroke .1s ease-in}.p-knob-value{animation-name:dash-frame;animation-fill-mode:forwards;fill:none}.p-knob-text{font-size:1.3rem;text-align:center}\n"] }]
        }], ctorParameters: function () { return [{ type: i0.ChangeDetectorRef }, { type: i0.ElementRef }]; }, propDecorators: { styleClass: [{
                type: Input
            }], style: [{
                type: Input
            }], severity: [{
                type: Input
            }], valueColor: [{
                type: Input
            }], rangeColor: [{
                type: Input
            }], textColor: [{
                type: Input
            }], valueTemplate: [{
                type: Input
            }], name: [{
                type: Input
            }], size: [{
                type: Input
            }], step: [{
                type: Input
            }], min: [{
                type: Input
            }], max: [{
                type: Input
            }], strokeWidth: [{
                type: Input
            }], disabled: [{
                type: Input
            }], showValue: [{
                type: Input
            }], readonly: [{
                type: Input
            }], onChange: [{
                type: Output
            }] } });
class KnobModule {
}
KnobModule.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: KnobModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
KnobModule.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: KnobModule, declarations: [Knob], imports: [CommonModule], exports: [Knob] });
KnobModule.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: KnobModule, imports: [[CommonModule]] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.0", ngImport: i0, type: KnobModule, decorators: [{
            type: NgModule,
            args: [{
                    imports: [CommonModule],
                    exports: [Knob],
                    declarations: [Knob]
                }]
        }] });

/**
 * Generated bundle index. Do not edit.
 */

export { KNOB_VALUE_ACCESSOR, Knob, KnobModule };
