///
/// Copyright © 2016-2026 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///

import { Component, DestroyRef, EventEmitter, Input, OnInit, Output, ViewEncapsulation } from '@angular/core';
import { TbPopoverComponent } from '@shared/components/popover.component';
import { UntypedFormBuilder, UntypedFormGroup, Validators } from '@angular/forms';
import { merge } from 'rxjs';
import {
  defaultGetValueSettings, defaultSetValueSettings, defaultWidgetActionSettings,
  ScadaSymbolBehavior,
  ScadaSymbolBehaviorType,
  scadaSymbolBehaviorTypes,
  scadaSymbolBehaviorTypeTranslations
} from '@app/modules/home/components/widget/lib/scada/scada-symbol.models';
import { ValueType, valueTypesMap } from '@shared/models/constants';
import { GetValueSettings, SetValueSettings, ValueToDataType } from '@shared/models/action-widget-settings.models';
import { WidgetService } from '@core/http/widget.service';
import { mergeDeep } from '@core/utils';
import { WidgetAction, widgetType } from '@shared/models/widget.models';
import { IAliasController } from '@core/api/widget-api.models';
import { WidgetActionCallbacks } from '@home/components/widget/action/manage-widget-actions.component.models';
import { takeUntilDestroyed } from '@angular/core/rxjs-interop';

@Component({
    selector: 'tb-scada-symbol-behavior-panel',
    templateUrl: './scada-symbol-behavior-panel.component.html',
    styleUrls: ['./scada-symbol-behavior-panel.component.scss'],
    encapsulation: ViewEncapsulation.None,
    standalone: false
})
export class ScadaSymbolBehaviorPanelComponent implements OnInit {

  widgetType = widgetType;

  ScadaSymbolBehaviorType = ScadaSymbolBehaviorType;

  ValueType = ValueType;

  ValueToDataType = ValueToDataType;

  scadaSymbolBehaviorTypes = scadaSymbolBehaviorTypes;
  scadaSymbolBehaviorTypeTranslations = scadaSymbolBehaviorTypeTranslations;

  valueTypes = Object.keys(ValueType) as ValueType[];

  valueTypesMap = valueTypesMap;

  @Input()
  isAdd = false;

  @Input()
  behavior: ScadaSymbolBehavior;

  @Input()
  aliasController: IAliasController;

  @Input()
  callbacks: WidgetActionCallbacks;

  @Input()
  disabled: boolean;

  @Input()
  popover: TbPopoverComponent<ScadaSymbolBehaviorPanelComponent>;

  @Output()
  behaviorSettingsApplied = new EventEmitter<ScadaSymbolBehavior>();

  functionScopeVariables = this.widgetService.getWidgetScopeVariables();

  panelTitle: string;

  behaviorFormGroup: UntypedFormGroup;

  constructor(private fb: UntypedFormBuilder,
              private widgetService: WidgetService,
              private destroyRef: DestroyRef) {
  }

  ngOnInit(): void {
    this.panelTitle = this.isAdd ? 'scada.behavior.add-behavior' : 'scada.behavior.behavior-settings';
    this.behaviorFormGroup = this.fb.group(
      {
        id: [this.behavior.id, [Validators.required]],
        name: [this.behavior.name, [Validators.required]],
        hint: [this.behavior.hint, []],
        group: [this.behavior.group, []],
        type: [this.behavior.type, [Validators.required]],
        valueType: [this.behavior.valueType, [Validators.required]],
        trueLabel: [this.behavior.trueLabel, []],
        falseLabel: [this.behavior.falseLabel, []],
        stateLabel: [this.behavior.stateLabel, []],
        defaultGetValueSettings: [this.behavior.defaultGetValueSettings, [Validators.required]],
        defaultSetValueSettings: [this.behavior.defaultSetValueSettings, [Validators.required]],
        defaultWidgetActionSettings: [this.behavior.defaultWidgetActionSettings, [Validators.required]]
      }
    );
    if (this.disabled) {
      this.behaviorFormGroup.disable({emitEvent: false});
    } else {
      merge(this.behaviorFormGroup.get('type').valueChanges,
        this.behaviorFormGroup.get('valueType').valueChanges
      ).pipe(
        takeUntilDestroyed(this.destroyRef)
      ).subscribe(() => {
        this.updateValidators();
      });
      this.updateValidators();
    }
  }

  cancel() {
    this.popover?.hide();
  }

  applyBehaviorSettings() {
    const behavior = this.behaviorFormGroup.getRawValue();
    this.behaviorSettingsApplied.emit(behavior);
  }

  private updateValidators() {
    const type: ScadaSymbolBehaviorType = this.behaviorFormGroup.get('type').value;
    const valueType: ValueType = this.behaviorFormGroup.get('valueType').value;
    let defaultGetValueSettingsValue = this.behaviorFormGroup.get('defaultGetValueSettings').value;
    let defaultSetValueSettingsValue = this.behaviorFormGroup.get('defaultSetValueSettings').value;
    let defaultWidgetActionSettingsValue = this.behaviorFormGroup.get('defaultWidgetActionSettings').value;
    this.behaviorFormGroup.disable({emitEvent: false});
    this.behaviorFormGroup.get('id').enable({emitEvent: false});
    this.behaviorFormGroup.get('name').enable({emitEvent: false});
    this.behaviorFormGroup.get('type').enable({emitEvent: false});
    this.behaviorFormGroup.get('hint').enable({emitEvent: false});
    this.behaviorFormGroup.get('group').enable({emitEvent: false});
    switch (type) {
      case ScadaSymbolBehaviorType.value:
        this.behaviorFormGroup.get('valueType').enable({emitEvent: false});
        this.behaviorFormGroup.get('defaultGetValueSettings').enable({emitEvent: false});
        if (valueType === ValueType.BOOLEAN) {
          this.behaviorFormGroup.get('trueLabel').enable({emitEvent: false});
          this.behaviorFormGroup.get('falseLabel').enable({emitEvent: false});
          this.behaviorFormGroup.get('stateLabel').enable({emitEvent: false});
        }
        if (!defaultGetValueSettingsValue) {
          defaultGetValueSettingsValue = mergeDeep({} as GetValueSettings<any>, defaultGetValueSettings(valueType));
          this.behaviorFormGroup.get('defaultGetValueSettings').patchValue(defaultGetValueSettingsValue, {emitEvent: true});
        }
        if (defaultSetValueSettingsValue) {
          this.behaviorFormGroup.get('defaultSetValueSettings').patchValue(null, {emitEvent: true});
        }
        if (defaultWidgetActionSettingsValue) {
          this.behaviorFormGroup.get('defaultWidgetActionSettings').patchValue(null, {emitEvent: true});
        }
        break;
      case ScadaSymbolBehaviorType.action:
        this.behaviorFormGroup.get('valueType').enable({emitEvent: false});
        this.behaviorFormGroup.get('defaultSetValueSettings').enable({emitEvent: false});
        if (!defaultSetValueSettingsValue) {
          defaultSetValueSettingsValue = mergeDeep({} as SetValueSettings, defaultSetValueSettings(valueType));
          this.behaviorFormGroup.get('defaultSetValueSettings').patchValue(defaultSetValueSettingsValue, {emitEvent: true});
        }
        if (defaultGetValueSettingsValue) {
          this.behaviorFormGroup.get('defaultGetValueSettings').patchValue(null, {emitEvent: true});
        }
        if (defaultWidgetActionSettingsValue) {
          this.behaviorFormGroup.get('defaultWidgetActionSettings').patchValue(null, {emitEvent: true});
        }
        break;
      case ScadaSymbolBehaviorType.widgetAction:
        this.behaviorFormGroup.get('defaultWidgetActionSettings').enable({emitEvent: false});
        if (!defaultWidgetActionSettingsValue) {
          defaultWidgetActionSettingsValue = mergeDeep({} as WidgetAction, defaultWidgetActionSettings);
          this.behaviorFormGroup.get('defaultWidgetActionSettings').patchValue(defaultWidgetActionSettingsValue, {emitEvent: true});
        }
        if (defaultGetValueSettingsValue) {
          this.behaviorFormGroup.get('defaultGetValueSettings').patchValue(null, {emitEvent: true});
        }
        if (defaultSetValueSettingsValue) {
          this.behaviorFormGroup.get('defaultSetValueSettings').patchValue(null, {emitEvent: true});
        }
        break;
    }
  }
}