<template>
  <q-form @submit="save" @reset="reset">
    <q-card-section class="fit row justify-start content-center items-center">
      <q-input
        v-model="user_model.firstname"
        class="col-xs-12 col-sm-6 q-pa-sm"
        label="Vorname"
        :rules="[notEmpty]"
        filled
      />
      <q-input
        v-model="user_model.lastname"
        class="col-xs-12 col-sm-6 q-pa-sm"
        label="Nachname"
        :rules="[notEmpty]"
        filled
      />

      <q-input
        v-model="user_model.display_name"
        class="col-xs-12 col-sm-6 q-pa-sm"
        label="Angezeigter Name"
        :rules="[notEmpty]"
        filled
      />
      <q-input
        v-model="user_model.mail"
        class="col-xs-12 col-sm-6 q-pa-sm"
        label="E-Mail"
        :rules="[isEmail, notEmpty]"
        filled
      />
      <q-input
        v-model="user_model.userid"
        class="col-xs-12 col-sm-6 q-pa-sm"
        label="Benutzername"
        :readonly="!newUser"
        :rules="[isUseridUsed, notEmpty]"
        filled
      />
      <q-select
        v-model="user_model.roles"
        class="col-xs-12 col-sm-6 q-pa-sm"
        label="Rollen"
        filled
        multiple
        use-chips
        :readonly="!canSetRoles"
        :options="allRoles"
        option-label="name"
        option-value="name"
      />
      <IsoDateInput
        v-model="user_model.birthday"
        class="col-xs-12 col-sm-6 q-pa-sm"
        label="Geburtstag"
      />
      <q-file
        v-model="avatar"
        class="col-xs-12 col-sm-6 q-pa-sm"
        filled
        label="Avatar"
        accept=".jpg, image/*"
        max-file-size="204800"
        hint="Bilddateien, max. 200 KiB"
        @rejected="onAvatarRejected"
      >
        <template #append>
          <q-icon name="mdi-file-image" @click.stop />
        </template>
      </q-file>
    </q-card-section>
    <q-separator v-if="!newUser" />
    <q-card-section v-if="!newUser" class="fit row justify-start content-center items-center">
      <q-input
        v-if="isCurrentUser"
        v-model="password"
        class="col-xs-12 col-sm-6 col-md-4 q-pa-sm"
        label="Password"
        type="password"
        hint="Password muss immer eingetragen werden"
        :rules="[notEmpty]"
        filled
      />
      <q-input
        v-model="new_password"
        class="col-xs-12 col-sm-6 col-md-4 q-pa-sm"
        label="Neues Password"
        type="password"
        filled
      />
      <q-input
        v-model="new_password2"
        class="col-xs-12 col-sm-6 col-md-4 q-pa-sm"
        label="Wiederhole neues Password"
        type="password"
        :disable="new_password.length == 0"
        :rules="[samePassword]"
        filled
      />
    </q-card-section>
    <q-card-actions align="right">
      <q-btn label="Reset" type="reset" />
      <q-btn color="primary" type="submit" label="Speichern" />
    </q-card-actions>
  </q-form>
</template>

<script lang="ts">
import { Notify } from 'quasar';
import { hasPermission } from 'src/utils/permission';
import IsoDateInput from 'src/components/utils/IsoDateInput.vue';
import { defineComponent, computed, ref, onBeforeMount, PropType } from 'vue';
import { useUserStore } from '../../store';
import { useMainStore } from 'src/store';

export default defineComponent({
  name: 'MainUserSettings',
  components: { IsoDateInput },
  props: {
    user: {
      required: true,
      type: Object as PropType<FG.User>,
    },
    newUser: { type: Boolean, required: true },
  },
  emits: {
    'update:user': (payload: FG.User) => !!payload,
  },
  setup(props, { emit }) {
    const userStore = useUserStore();
    const mainStore = useMainStore();

    const user_model = ref(props.user);

    onBeforeMount(() => {
      void userStore.getRoles(false);
    });

    const isCurrentUser = computed(() => user_model.value.userid === mainStore.currentUser.userid);

    const canSetRoles = computed(() => hasPermission('users_set_roles'));

    const avatar = ref([] as string[]);
    function onAvatarRejected() {
      Notify.create({
        group: false,
        type: 'negative',
        message: 'Datei zu groß oder keine gültige Bilddatei.',
        timeout: 10000,
        progress: true,
        actions: [{ icon: 'mdi-close', color: 'white' }],
      });
      avatar.value = [];
    }

    const allRoles = computed(() => userStore.roles.map((role) => role.name));
    const password = ref('');
    const new_password = ref('');
    const new_password2 = ref('');

    function save() {
      let changed = user_model.value;
      if (typeof changed.birthday === 'string') changed.birthday = new Date(changed.birthday);
      changed = Object.assign(changed, {
        password: password.value,
      });
      if (new_password.value != '') {
        changed = Object.assign(changed, {
          new_password: new_password.value,
        });
      }

      emit('update:user', changed);

      if (avatar.value && (avatar.value.length > 0 || avatar.value instanceof File))
        userStore.uploadAvatar(changed, avatar.value[0]).catch((response: Response) => {
          if (response && response.status == 400) {
            onAvatarRejected();
          }
        });
      reset();
    }

    function reset() {
      user_model.value = props.user;
      password.value = '';
      new_password.value = '';
      new_password2.value = '';
    }

    function samePassword(val: string) {
      return val == new_password.value || 'Passwörter sind nicht identisch!';
    }

    function notEmpty(val: string) {
      return !!val || 'Feld darf nicht leer sein!';
    }

    function isEmail(val: string | null) {
      return (
        !val || /^\w+([.-]?\w+)*@\w+([.-]?\w+)*(\.\w\w+)+$/.test(val) || 'E-Mail ist nicht valide.'
      );
    }

    function isUseridUsed(val: string) {
      return (
        !userStore.users.find((user: FG.User) => {
          return user.userid == val;
        }) ||
        !props.newUser ||
        'Benutzername ist schon vergeben'
      );
    }

    return {
      avatar,
      user_model,
      onAvatarRejected,
      allRoles,
      canSetRoles,
      password,
      new_password,
      new_password2,
      samePassword,
      isCurrentUser,
      isEmail,
      notEmpty,
      isUseridUsed,
      save,
      reset,
    };
  },
});
</script>
