import { Component, inject, computed } from '@angular/core';
import { ButtonModule } from 'primeng/button';
import { ToggleSwitchModule } from 'primeng/toggleswitch';
import { SliderModule } from 'primeng/slider';
import { TooltipModule } from 'primeng/tooltip';
import { FormsModule } from '@angular/forms';
import { MessageService } from 'primeng/api';
import { SchemaStore } from '../../store/schema.store';

@Component({
  selector: 'app-toolbar',
  standalone: true,
  imports: [ButtonModule, ToggleSwitchModule, SliderModule, TooltipModule, FormsModule],
  template: `
    <div
      style="
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 16px;
        height: 48px;
        border-bottom: 1px solid #f0f0f0;
        background: #fff;
        flex-shrink: 0;
      "
    >
      <!-- Left: display settings -->
      <div style="display: flex; align-items: center; gap: 16px">
        <span pTooltip="Сетка" tooltipPosition="bottom" style="display: flex; align-items: center; gap: 4px">
          <i class="pi pi-th-large" style="font-size: 12px; color: #666"></i>
          <p-toggleSwitch
            [ngModel]="store.displaySettings().showGrid"
            (ngModelChange)="store.toggleGrid()"
          />
        </span>
        <span pTooltip="Мини-карта" tooltipPosition="bottom" style="display: flex; align-items: center; gap: 4px">
          <i class="pi pi-map" style="font-size: 12px; color: #666"></i>
          <p-toggleSwitch
            [ngModel]="store.displaySettings().showMinimap"
            (ngModelChange)="store.toggleMinimap()"
          />
        </span>
        <p-button
          [icon]="'pi pi-share-alt'"
          [severity]="store.displaySettings().lineType === 'manhattan' ? 'primary' : 'secondary'"
          [outlined]="store.displaySettings().lineType !== 'manhattan'"
          size="small"
          pTooltip="{{ store.displaySettings().lineType === 'manhattan' ? 'Ломаные линии' : 'Прямые линии' }}"
          tooltipPosition="bottom"
          (onClick)="store.switchLineType()"
        />
        <span pTooltip="Подписи" tooltipPosition="bottom" style="display: flex; align-items: center; gap: 4px">
          <i class="pi pi-tag" style="font-size: 12px; color: #666"></i>
          <p-toggleSwitch
            [ngModel]="store.displaySettings().showLabels"
            (ngModelChange)="store.toggleLabels()"
          />
        </span>
      </div>

      <!-- Center: actions -->
      <div style="display: flex; align-items: center; gap: 4px">
        <p-button icon="pi pi-plus" size="small" [outlined]="true" pTooltip="Добавить объект" tooltipPosition="bottom" (onClick)="wip()" />
        <p-button icon="pi pi-trash" size="small" [outlined]="true" pTooltip="Удалить" tooltipPosition="bottom" (onClick)="deleteSelected()" />
        <p-button icon="pi pi-refresh" size="small" [outlined]="true" pTooltip="Обновить раскладку" tooltipPosition="bottom" (onClick)="wip()" />
        <p-button
          icon="pi pi-objects-column"
          size="small"
          [severity]="store.lassoActive() ? 'primary' : 'secondary'"
          [outlined]="!store.lassoActive()"
          pTooltip="Выделение лассо"
          tooltipPosition="bottom"
          (onClick)="store.toggleLasso()"
        />
        <p-button icon="pi pi-image" size="small" [outlined]="true" pTooltip="Экспорт PNG" tooltipPosition="bottom" (onClick)="wip()" />
      </div>

      <!-- Right: zoom + mode -->
      <div style="display: flex; align-items: center; gap: 12px">
        <div style="display: flex; align-items: center; gap: 4px">
          <p-button icon="pi pi-search-minus" size="small" [outlined]="true" pTooltip="Уменьшить" tooltipPosition="bottom" (onClick)="handleZoomOut()" />
          <p-slider
            [ngModel]="zoom()"
            (ngModelChange)="handleZoomChange($event)"
            [min]="10"
            [max]="300"
            [style]="{ width: '100px' }"
          />
          <p-button icon="pi pi-search-plus" size="small" [outlined]="true" pTooltip="Увеличить" tooltipPosition="bottom" (onClick)="handleZoomIn()" />
          <p-button icon="pi pi-arrows-alt" size="small" [outlined]="true" pTooltip="Уместить на экран" tooltipPosition="bottom" (onClick)="handleFit()" />
        </div>
        <p-button
          [icon]="store.mode() === 'view' ? 'pi pi-eye' : 'pi pi-pencil'"
          [severity]="store.mode() === 'edit' ? 'primary' : 'secondary'"
          [outlined]="store.mode() !== 'edit'"
          size="small"
          [label]="store.mode() === 'view' ? 'Просмотр' : 'Редактирование'"
          pTooltip="{{ store.mode() === 'view' ? 'Режим просмотра' : 'Режим редактирования' }}"
          tooltipPosition="bottom"
          (onClick)="store.setMode(store.mode() === 'view' ? 'edit' : 'view')"
        />
      </div>
    </div>
  `,
})
export class ToolbarComponent {
  readonly store = inject(SchemaStore);
  private readonly messageService = inject(MessageService);

  zoom = computed(() => {
    const g = this.store.graph();
    return g ? Math.round(g.zoom() * 100) : 100;
  });

  handleZoomIn() {
    this.store.graph()?.zoom(0.1);
  }

  handleZoomOut() {
    this.store.graph()?.zoom(-0.1);
  }

  handleFit() {
    this.store.graph()?.zoomToFit({ padding: 40 });
  }

  handleZoomChange(value: number) {
    const g = this.store.graph();
    if (g) {
      g.zoomTo(value / 100);
    }
  }

  deleteSelected() {
    const g = this.store.graph();
    if (g) {
      const cells = g.getSelectedCells();
      if (cells.length) g.removeCells(cells);
    }
  }

  wip() {
    this.messageService.add({ severity: 'info', summary: 'В разработке' });
  }
}