// NG2
import { FormControl, Validators, FormGroup } from '@angular/forms';
import { EventEmitter } from '@angular/core';
// APP
import { NovoControlConfig } from './FormControls';
import { Helpers } from '../../utils/Helpers';

export class NovoFormControl extends FormControl {
    displayValueChanges: EventEmitter<any> = new EventEmitter<any>();
    hidden: boolean;
    required: boolean;
    readOnly: boolean;
    hasRequiredValidator: boolean;
    label: string;
    tooltip: string;
    tooltipPosition: string;
    initialValue: any;
    valueHistory: any[] = [];
    validators: any;
    config: any;
    sortOrder: number;
    controlType: string;
    placeholder: string;
    multiple: boolean;
    headerConfig: any;
    optionsType: string;
    maxlength: number;
    minlength: number;
    options: Array<any>;
    type: string;
    subType: string;
    name: string;
    closeOnSelect: boolean;
    interactions: Array<Object>;
    appendToBody: boolean;
    parentScrollSelector: string;
    description?: string;
    layoutOptions?: { order?: string, download?: boolean, labelStyle?: string, draggable?: boolean, iconStyle?: string };
    military?: boolean;
    tipWell?: {
        tip: string,
        icon?: string,
        button?: boolean;
    };

    private historyTimeout: any;

    constructor(value: any, control: NovoControlConfig) {
        super(value, control.validators, control.asyncValidators);
        this.validators = control.validators;
        this.initialValue = value;
        this.valueHistory.push(value);
        this.label = control.label;
        this.readOnly = control.readOnly;
        this.hidden = control.hidden;
        this.config = control.config;
        this.type = control.type;
        this.subType = control.subType;
        this.required = control.required;
        this.hasRequiredValidator = this.required;
        this.tooltip = control.tooltip;
        this.tooltipPosition = control.tooltipPosition;
        this.label = control.label;
        this.name = control.name;
        this.required = control.required;
        this.hidden = control.hidden;
        this.sortOrder = control.sortOrder;
        this.controlType = control.controlType;
        this.placeholder = control.placeholder;
        this.multiple = control.multiple;
        this.headerConfig = control.headerConfig;
        this.optionsType = control.optionsType;
        this.readOnly = control.readOnly;
        this.layoutOptions = control.layoutOptions;
        this.military = control.military;
        this.maxlength = control.maxlength;
        this.minlength = control.minlength;
        this.closeOnSelect = control.closeOnSelect;
        this.interactions = control.interactions;
        this.appendToBody = control.appendToBody;
        this.parentScrollSelector = control.parentScrollSelector;
        this.description = control.description;
        this.options = control.options;
        this.tipWell = control.tipWell;

        // Reactive Form, need to enable/disable, can't bind to [disabled]
        if (this.readOnly) {
            this.disable();
        } else {
            this.enable();
        }
    }

    /**
     * @name hide
     * @param clearValue - flag to reset the control's value
     */
    public hide(clearValue: boolean = true): void {
        this.hidden = true;
        if (clearValue) {
            this.setValue(null);
        }
    }

    /**
     * @name show
     */
    public show(): void {
        this.hidden = false;
    }

    /**
     * @name setRequired
     * @param isRequired
     */
    public setRequired(isRequired: boolean): void {
        this.required = isRequired;
        // Update validators to have the required
        if (this.required && !this.hasRequiredValidator) {
            let validators: any = [...this.validators];
            validators.push(Validators.required);
            // TODO: duplicated below
            this.setValidators(validators);
            this.updateValueAndValidity();
            this.hasRequiredValidator = this.required;
        } else if (!this.required && this.hasRequiredValidator) {
            let validators: any = [...this.validators];
            validators = validators.filter(val => val !== Validators.required);
            // TODO: duplicated above
            this.setValidators(validators);
            this.updateValueAndValidity();
            this.hasRequiredValidator = this.required;
        }
    }

    /**
     * @name setValue
     *
     * @param value
     * @param onlySelf
     * @param emitEvent
     * @param emitModelToViewChange
     * @param emitViewToModelChange
     *
     */
    public setValue(value: any, { onlySelf, emitEvent, emitModelToViewChange, emitViewToModelChange }: {
        onlySelf?: boolean,
        emitEvent?: boolean,
        emitModelToViewChange?: boolean,
        emitViewToModelChange?: boolean
    } = {}) {
        this.markAsDirty();
        this.markAsTouched();
        this.displayValueChanges.emit(value);
        super.setValue(value, { onlySelf, emitEvent, emitModelToViewChange, emitViewToModelChange });

        // History
        clearTimeout(this.historyTimeout);
        this.historyTimeout = setTimeout(() => {
            this.valueHistory.push(value);
        }, 300);
    }

    /**
     * @name setReadOnly
     * @param isReadOnly
     */
    public setReadOnly(isReadOnly: boolean): void {
        this.readOnly = isReadOnly;
        if (this.readOnly) {
            this.disable();
        } else {
            this.enable();
        }
    }

    /**
     * @name markAsInvalid
     * @param message
     */
    markAsInvalid(message: string): void {
        this.markAsDirty();
        this.markAsTouched();
        this.setErrors(Object.assign({}, this.errors, { custom: message }));
    }
}

export class NovoFormGroup extends FormGroup {
    get value() {
        return this.getRawValue();
    }
}