import { Component, inject, OnInit } from '@angular/core';
import { FormControl, FormGroup, ReactiveFormsModule, Validators } from '@angular/forms';
import { MatButtonModule } from '@angular/material/button';
import { MatCardModule } from '@angular/material/card';
import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
import { MatFormFieldModule } from '@angular/material/form-field';
import { MatIconModule } from '@angular/material/icon';
import { HermesClientService } from '../../hermes-client.service';
import { Group } from '../../shared/models/group';
import { Permission } from '../../shared/models/permission';
import { MatSelectModule } from '@angular/material/select';
import { MatInputModule } from '@angular/material/input';
import { PolicyDropdownComponent } from "../../policies/policy-dropdown/policy-dropdown.component";

@Component({
  selector: 'permission-item-edit',
  imports: [
    MatButtonModule,
    MatCardModule,
    MatFormFieldModule,
    MatIconModule,
    MatInputModule,
    MatSelectModule,
    ReactiveFormsModule,
    PolicyDropdownComponent,
],
  templateUrl: './permission-item-edit.component.html',
  styleUrl: './permission-item-edit.component.scss'
})
export class PermissionItemEditComponent implements OnInit {
  private readonly client = inject(HermesClientService);
  readonly data = inject<{ permission: Permission, group: Group, groups: Group[], isNew: boolean }>(MAT_DIALOG_DATA);
  readonly dialogRef = inject(MatDialogRef<PermissionItemEditComponent>);

  readonly pathControl = new FormControl('', [Validators.required]);
  readonly stateControl = new FormControl<boolean | null>(null, [Validators.required]);
  private form = new FormGroup({
    path: this.pathControl,
    state: this.stateControl,
  });

  readonly states: { label: string, value: boolean | null }[] = [
    {
      label: 'Allow', value: true
    },
    {
      label: 'Deny', value: false
    },
  ]

  responseError: string | undefined;
  waitForResponse = false;


  ngOnInit() {
    this.pathControl.setValue(this.data.permission.path);
    this.stateControl.setValue(this.data.permission.allow);
  }

  submit() {
    if (this.form.invalid || this.waitForResponse) {
      return;
    }

    this.waitForResponse = true;
    this.responseError = undefined;

    if (this.data.isNew) {
      this.client.first((d: any) => d.op == 4 && d.d.request.type == 'create_group_permission' && d.d.request.data.path == this.pathControl.value)
        .subscribe({
          next: (d) => {
            if (d.d.error) {
              this.responseError = d.d.error;
            } else {
              this.dialogRef.close(d.d.data);
            }
          },
          error: () => this.responseError = 'Something went wrong.',
          complete: () => this.waitForResponse = false,
        });
      this.client.createGroupPermission(this.data.group.id, this.pathControl.value!, this.stateControl.value);
    } else {
      this.client.first((d: any) => d.op == 4 && d.d.request.type == 'update_group_permission' && d.d.request.data.id == this.data.permission.id)
        .subscribe({
          next: (d) => {
            if (d.d.error) {
              this.responseError = d.d.error;
            } else {
              this.dialogRef.close(d.d.data);
            }
          },
          error: () => this.responseError = 'Something went wrong.',
          complete: () => this.waitForResponse = false,
        });
      this.client.updateGroupPermission(this.data.permission.id, this.data.group.id, this.pathControl.value!, this.stateControl.value);
    }
  }
}