import { type Ref, computed, defineComponent, inject, ref } from 'vue';
import { useI18n } from 'vue-i18n';
import { useRoute, useRouter } from 'vue-router';

import { useVuelidate } from '@vuelidate/core';

import SubjectService from '@/entities/subject/subject.service';
import UserService from '@/entities/user/user.service';
import { useAlertService } from '@/shared/alert/alert.service';
import { useDateFormat, useValidation } from '@/shared/composables';
import { AttemptStatus } from '@/shared/model/enumerations/attempt-status.model';
import { ExamAttempt, type IExamAttempt } from '@/shared/model/exam-attempt.model';
import { type ISubject } from '@/shared/model/subject.model';

import ExamAttemptService from './exam-attempt.service';

export default defineComponent({
  name: 'ExamAttemptUpdate',
  setup() {
    const examAttemptService = inject('examAttemptService', () => new ExamAttemptService());
    const alertService = inject('alertService', () => useAlertService(), true);

    const examAttempt: Ref<IExamAttempt> = ref(new ExamAttempt());

    const subjectService = inject('subjectService', () => new SubjectService());

    const subjects: Ref<ISubject[]> = ref([]);
    const userService = inject('userService', () => new UserService());
    const users: Ref<Array<any>> = ref([]);
    const attemptStatusValues: Ref<string[]> = ref(Object.keys(AttemptStatus));
    const isSaving = ref(false);
    const currentLanguage = inject('currentLanguage', () => computed(() => navigator.language ?? 'en'), true);

    const route = useRoute();
    const router = useRouter();

    const previousState = () => router.go(-1);

    const retrieveExamAttempt = async examAttemptId => {
      try {
        const res = await examAttemptService().find(examAttemptId);
        res.startedAt = new Date(res.startedAt);
        res.submittedAt = new Date(res.submittedAt);
        examAttempt.value = res;
      } catch (error) {
        alertService.showHttpError(error.response);
      }
    };

    if (route.params?.examAttemptId) {
      retrieveExamAttempt(route.params.examAttemptId);
    }

    const initRelationships = () => {
      subjectService()
        .retrieve()
        .then(res => {
          subjects.value = res.data;
        });
      userService()
        .retrieve()
        .then(res => {
          users.value = res.data;
        });
    };

    initRelationships();

    const { t: t$ } = useI18n();
    const validations = useValidation();
    const validationRules = {
      startedAt: {
        required: validations.required(t$('entity.validation.required').toString()),
      },
      submittedAt: {},
      status: {
        required: validations.required(t$('entity.validation.required').toString()),
      },
      score: {
        integer: validations.integer(t$('entity.validation.number').toString()),
        min: validations.minValue(t$('entity.validation.min', { min: 0 }).toString(), 0),
      },
      answers: {},
      subject: {
        required: validations.required(t$('entity.validation.required').toString()),
      },
      user: {
        required: validations.required(t$('entity.validation.required').toString()),
      },
    };
    const v$ = useVuelidate(validationRules, examAttempt as any);
    v$.value.$validate();

    return {
      examAttemptService,
      alertService,
      examAttempt,
      previousState,
      attemptStatusValues,
      isSaving,
      currentLanguage,
      subjects,
      users,
      v$,
      ...useDateFormat({ entityRef: examAttempt }),
      t$,
    };
  },
  created(): void {},
  methods: {
    save(): void {
      this.isSaving = true;
      if (this.examAttempt.id) {
        this.examAttemptService()
          .update(this.examAttempt)
          .then(param => {
            this.isSaving = false;
            this.previousState();
            this.alertService.showInfo(this.t$('questionBankApp.examAttempt.updated', { param: param.id }));
          })
          .catch(error => {
            this.isSaving = false;
            this.alertService.showHttpError(error.response);
          });
      } else {
        this.examAttemptService()
          .create(this.examAttempt)
          .then(param => {
            this.isSaving = false;
            this.previousState();
            this.alertService.showSuccess(this.t$('questionBankApp.examAttempt.created', { param: param.id }).toString());
          })
          .catch(error => {
            this.isSaving = false;
            this.alertService.showHttpError(error.response);
          });
      }
    },
  },
});