// project-edit-dialog.component.ts (TÜMÜ) - Template inline olarak
import { Component, Inject, OnInit } from '@angular/core';
import { CommonModule } from '@angular/common';
import { FormBuilder, FormGroup, Validators, ReactiveFormsModule, FormArray } from '@angular/forms';
import { MatDialogRef, MAT_DIALOG_DATA, MatDialogModule } from '@angular/material/dialog';
import { MatFormFieldModule } from '@angular/material/form-field';
import { MatInputModule } from '@angular/material/input';
import { MatSelectModule } from '@angular/material/select';
import { MatCheckboxModule } from '@angular/material/checkbox';
import { MatButtonModule } from '@angular/material/button';
import { MatIconModule } from '@angular/material/icon';
import { MatChipsModule } from '@angular/material/chips';
import { MatDividerModule } from '@angular/material/divider';
import { MatSnackBar, MatSnackBarModule } from '@angular/material/snack-bar';
import { ApiService } from '../../services/api.service';

export interface ProjectDialogData {
  mode: 'create' | 'edit';
  project?: any;
}

@Component({
  selector: 'app-project-edit-dialog',
  standalone: true,
  imports: [
    CommonModule,
    ReactiveFormsModule,
    MatDialogModule,
    MatFormFieldModule,
    MatInputModule,
    MatSelectModule,
    MatCheckboxModule,
    MatButtonModule,
    MatIconModule,
    MatChipsModule,
    MatDividerModule,
    MatSnackBarModule
  ],
  template: `
    <h2 mat-dialog-title>{{ data.mode === 'create' ? 'Create New Project' : 'Edit Project' }}</h2>
    
    <mat-dialog-content>
      <form [formGroup]="form">
        <mat-form-field appearance="outline" class="full-width">
          <mat-label>Name*</mat-label>
          <input matInput formControlName="name" 
                 [readonly]="data.mode === 'edit'"
                 placeholder="e.g., airline_agent">
          <mat-hint>Use only letters, numbers, and underscores</mat-hint>
          <mat-error *ngIf="form.get('name')?.hasError('required')">Name is required</mat-error>
          <mat-error *ngIf="form.get('name')?.hasError('pattern')">Invalid characters in name</mat-error>
        </mat-form-field>

        <mat-form-field appearance="outline" class="full-width">
          <mat-label>Caption*</mat-label>
          <input matInput formControlName="caption" 
                 placeholder="e.g., Airline Customer Service Agent">
          <mat-error *ngIf="form.get('caption')?.hasError('required')">Caption is required</mat-error>
        </mat-form-field>

        <mat-form-field appearance="outline" class="full-width">
          <mat-label>Icon</mat-label>
          <mat-select formControlName="icon">
            @for (icon of projectIcons; track icon) {
              <mat-option [value]="icon">
                <mat-icon>{{ icon }}</mat-icon>
                {{ icon }}
              </mat-option>
            }
          </mat-select>
        </mat-form-field>

        <mat-form-field appearance="outline" class="full-width">
          <mat-label>Description</mat-label>
          <textarea matInput formControlName="description" rows="3"></textarea>
        </mat-form-field>

        <mat-form-field appearance="outline" class="full-width">
          <mat-label>Default Language</mat-label>
          <mat-select formControlName="defaultLanguage">
            @for (lang of languages; track lang.code) {
              <mat-option [value]="lang.code">{{ lang.name }}</mat-option>
            }
          </mat-select>
        </mat-form-field>

        <mat-form-field appearance="outline" class="full-width">
          <mat-label>Supported Languages</mat-label>
          <mat-select formControlName="supportedLanguages" multiple>
            @for (lang of languages; track lang.code) {
              <mat-option [value]="lang.code">{{ lang.name }}</mat-option>
            }
          </mat-select>
        </mat-form-field>

        <mat-form-field appearance="outline" class="full-width">
          <mat-label>Timezone</mat-label>
          <mat-select formControlName="timezone">
            @for (tz of timezones; track tz) {
              <mat-option [value]="tz">{{ tz }}</mat-option>
            }
          </mat-select>
        </mat-form-field>

        <mat-form-field appearance="outline" class="full-width">
          <mat-label>Region</mat-label>
          <input matInput formControlName="region" placeholder="e.g., tr-TR">
        </mat-form-field>
      </form>
    </mat-dialog-content>
    
    <mat-dialog-actions align="end">
      <button mat-button (click)="close()">Cancel</button>
      <button mat-raised-button color="primary" 
              (click)="save()" 
              [disabled]="form.invalid || saving">
        {{ saving ? 'Saving...' : (data.mode === 'create' ? 'Create' : 'Save') }}
      </button>
    </mat-dialog-actions>
  `,
  styleUrls: ['./project-edit-dialog.component.scss']
})
export default class ProjectEditDialogComponent implements OnInit {
  form!: FormGroup;
  saving = false;
  projectIcons = ['folder', 'work', 'shopping_cart', 'school', 'local_hospital', 'restaurant', 'home', 'business'];
  languages = [
    { code: 'tr', name: 'Turkish' },
    { code: 'en', name: 'English' },
    { code: 'de', name: 'German' },
    { code: 'fr', name: 'French' },
    { code: 'es', name: 'Spanish' }
  ];
  timezones = [
    'Europe/Istanbul',
    'Europe/London',
    'Europe/Berlin',
    'America/New_York',
    'America/Los_Angeles',
    'Asia/Tokyo'
  ];

  constructor(
    private fb: FormBuilder,
    private apiService: ApiService,
    private snackBar: MatSnackBar,
    public dialogRef: MatDialogRef<ProjectEditDialogComponent>,
    @Inject(MAT_DIALOG_DATA) public data: ProjectDialogData
  ) {}

  ngOnInit() {
    this.initializeForm();
    
    if (this.data.mode === 'edit' && this.data.project) {
      this.form.patchValue({
        name: this.data.project.name,
        caption: this.data.project.caption || '',
        icon: this.data.project.icon || 'folder',
        description: this.data.project.description || '',
        defaultLanguage: this.data.project.default_language || 'tr',
        supportedLanguages: this.data.project.supported_languages || ['tr'],
        timezone: this.data.project.timezone || 'Europe/Istanbul',
        region: this.data.project.region || 'tr-TR'
      });
      
      // Rebuild test users form array
      const testUsersArray = this.form.get('testUsers') as FormArray;
      testUsersArray.clear();
      (this.data.project.test_users || []).forEach((phoneNumber: string) => {
        testUsersArray.push(this.fb.control(phoneNumber, Validators.required));
      });
    }
  }

  initializeForm() {
    this.form = this.fb.group({
      name: ['', [Validators.required, Validators.pattern(/^[a-z0-9_]+$/)]],
      caption: ['', Validators.required],
      icon: ['folder'],
      description: [''],
      defaultLanguage: ['tr'],
      supportedLanguages: [['tr']],
      timezone: ['Europe/Istanbul'],
      region: ['tr-TR']
      // testUsers kaldırıldı
    });
  }

  async save() {
    if (this.form.invalid) {
      this.form.markAllAsTouched();
      return;
    }
  
    this.saving = true;
    try {
      const formValue = this.form.value;
      
      // Base project data
      const baseProjectData = {
        name: formValue.name,
        caption: formValue.caption,
        icon: formValue.icon,
        description: formValue.description,
        default_language: formValue.defaultLanguage,
        supported_languages: formValue.supportedLanguages,
        timezone: formValue.timezone,
        region: formValue.region
      };
  
      let result;
      if (this.data.mode === 'create') {
        result = await this.apiService.createProject(baseProjectData).toPromise();
        this.showMessage('Project created successfully!', false);
      } else {
        // Edit mode için ek alanlarla birlikte gönder
        const updateProjectData = {
          ...baseProjectData,
          id: this.data.project.id,
          last_update_date: this.data.project.last_update_date
        };
        
        result = await this.apiService.updateProject(this.data.project.id, updateProjectData).toPromise();
        this.showMessage('Project updated successfully!', false);
      }
  
      this.dialogRef.close(result);
    } catch (error: any) {
      if (error.status === 409) {
        this.showMessage('This record was modified by another user. Please reload and try again.', true);
      } else {
        this.showMessage(error.error?.detail || 'Operation failed', true);
      }
    } finally {
      this.saving = false;
    }
  }
  
  private showMessage(message: string, isError: boolean) {
    this.snackBar.open(message, 'Close', {
      duration: isError ? 5000 : 3000,
      panelClass: isError ? 'error-snackbar' : 'success-snackbar'
    });
  }

  close() {
    this.dialogRef.close();
  }
}