import { Component, Inject, ViewChild } from '@angular/core';
import { GuiColumn, GuiSelectedRow } from '@generic-ui/ngx-grid/gui/grid/src/core/api/gui.grid.public-api';
import { UserTableComponent } from '../tables/user-table/user-table.component';
import { UserRepTableComponent } from '../tables/user-rep-table/user-rep-table.component';
import { GroupTableComponent } from '../tables/group-table/group-table.component';
import { UserRepService } from 'src/app/services/user-representation.service';
import Swal from 'sweetalert2';

@Component({
  selector: 'app-user-representation',
  templateUrl: './user-representation.component.html',
  styleUrl: './user-representation.component.css'
})
export class UserRepresentationComponent {

  useRepLabel: string = "";
  groupRepCols: Array<GuiColumn>;
  groupRightColumns: Array<GuiColumn>;
  slUserId: null | number = null;
  slRepUserId: null | number = null;
  slRepGroupId: null | number = null;
  slRightGroupId: null | number = null;
  slUserRepId: null | number = null;
  userRepService: UserRepService

  initWithoutData = () => { }

  constructor(userRepService: UserRepService, @Inject('GROUP_REP_TABLE_COLUMNS') groupRepCols: Array<GuiColumn>, @Inject('GROUP_RIGHT_TABLE_COLUMNS') groupRightColumns: Array<GuiColumn>) {
    this.groupRepCols = groupRepCols;
    this.groupRightColumns = groupRightColumns;
    this.userRepService = userRepService;
  }

  @ViewChild("users") users!: UserTableComponent;
  @ViewChild("repUsers") repUsers!: UserTableComponent;
  @ViewChild("repGroups") repGroups!: GroupTableComponent;
  @ViewChild("rightGroups") rightGroups!: GroupTableComponent;
  @ViewChild("userReps") userReps!: UserRepTableComponent;

  userOnSelectedRows = (rows: GuiSelectedRow[]) => {
    if (rows.length > 0) {
      this.users.safelyUnselectAll();
      this.useRepLabel = `Repräsentationen von ${rows[0].source?.username}`
      this.userReps.fetchData(rows[0].source?.guid)
      this.slUserId = rows[0].source?.guid
    }
  }

  rightGroupOnSelectedRows = (rows: GuiSelectedRow[]) => {
    if (rows.length > 0) {
      this.slRightGroupId = rows[0].source?.guid
    } else {
      this.slRightGroupId = null;
    }
  }

  repUserOnSelectedRows = (rows: GuiSelectedRow[]) => {
    if (rows.length == 0 && this.slRepUserId) {
      if(!this.slUserId){
        Swal.fire({
          icon: "error",
          title: "Oops...",
          text: "Bitte wählen Sie den Benutzer!",
        });
      }
      else if(!this.slRepUserId){
        Swal.fire({
          icon: "error",
          title: "Oops...",
          text: "Bitte wählen Sie die repräsentative Benutzer!",
        });
      }
      else if(!this.slRightGroupId){
        Swal.fire({
          icon: "error",
          title: "Oops...",
          text: "Bitte wählen Sie die richtige Gruppe!",
        });
      }
      else {
        var newUserRep = {
          userId: this.slUserId,
          rightGroupId: this.slRightGroupId,
          repUserId: this.slRepUserId,
          addedWho: 'DEFAULT'
        }
        this.userRepService.create(newUserRep).subscribe({
          next: (response) => {
            this.slRepUserId = null;
            this.repUsers.safelyUnselectAll()
            if(this.slUserId != null)
              this.userReps.fetchData(this.slUserId)
          },
          error: (error) => {
            const errorMessage = error?.error || "Es ist ein unerwarteter Fehler aufgetreten.";
            Swal.fire({
              icon: "error",
              title: "Oops...",
              text: `${errorMessage}\nBitte versuchen Sie es später noch einmal.`,
            });
          }
        });
      }

      this.slRepUserId = null;
    }
    else if(rows.length > 0) {
      this.slRepUserId = rows[0].source?.guid;
    }
  }

  repGroupOnSelectedRows = (rows: GuiSelectedRow[]) => {
    if (rows.length == 0 && this.slRepGroupId) {
      if(!this.slUserId){
        Swal.fire({
          icon: "error",
          title: "Oops...",
          text: "Bitte wählen Sie den Benutzer!",
        });
      }
      else if(!this.slRepGroupId){
        Swal.fire({
          icon: "error",
          title: "Oops...",
          text: "Bitte wählen Sie die repräsentative Gruppe!",
        });
      }
      else if(!this.slRightGroupId){
        Swal.fire({
          icon: "error",
          title: "Oops...",
          text: "Bitte wählen Sie die richtige Gruppe!",
        });
      }
      else {
        var newUserRep = {
          userId: this.slUserId,
          rightGroupId: this.slRightGroupId,
          repGroupId: this.slRepGroupId,
          addedWho: 'DEFAULT'
        }
        this.userRepService.create(newUserRep).subscribe({
          next: (res) => {
            this.slRepGroupId = null;
            this.repUsers.safelyUnselectAll()
            if(this.slUserId != null)
              this.userReps.fetchData(this.slUserId)
          },
          error: (error) => {
            const errorMessage = error?.error || "Es ist ein unerwarteter Fehler aufgetreten.";
            Swal.fire({
              icon: "error",
              title: "Oops...",
              text: `${errorMessage}\nBitte versuchen Sie es später noch einmal.`,
            });
          }
        });
      }

      this.slRepGroupId = null;
    }
    else if(rows.length > 0) {
      this.slRepGroupId = rows[0].source?.guid;
    }
  }

  userRepOnSelectedRows = (rows: GuiSelectedRow[]) => {
    if (rows.length == 0 && this.slUserRepId) {
      this.userRepService.delete(this.slUserRepId).subscribe({
        next: (res) => {
          this.slUserRepId = null;
          this.userReps.safelyUnselectAll();
          if(this.slUserId != null)
            this.userReps.fetchData(this.slUserId)
        },
        error: (err) => {
          this.slUserRepId = null;
          this.repUsers.safelyUnselectAll()
          const errorMessage = err?.error || "Es ist ein unerwarteter Fehler aufgetreten.";
          Swal.fire({
            icon: "error",
            title: "Oops...",
            text: `${errorMessage}\nBitte versuchen Sie es später noch einmal.`,
          });
        }
      })
    }
    else if(rows.length > 0) {
      this.slUserRepId = rows[0].source?.guid;
    }
  }
}