<template>
  <div class="w-full md:max-w-md">
    <div class="flex flex-col items-center">
      <p class="text-xl font-medium">Termintyp erstellen</p>
    </div>
    <br />
    <form class="flex flex-col gap-4 py-2" @submit.prevent="triggerCreate">
      <div>
        <Listbox v-model="selectedType" name="type">
          <ListboxLabel>Termintyp</ListboxLabel>
          <div class="relative mt-1">
            <ListboxButton
              class="rounded-md shadow-sm relative block w-full px-3 py-2 border border-gray-300 focus:border-primary placeholder-gray-500 text-gray-900 rounded-b-md focus:outline-none focus:ring-0 focus:z-10 sm:text-sm resize-none"
            >
              <span class="block truncate w-full text-start">
                {{
                  calendarTypes.length != 0 ? (selectedType?.type ?? "bitte auswählen") : "keine Auswahl vorhanden"
                }}</span
              >
              <span class="pointer-events-none absolute inset-y-0 right-0 flex items-center pr-2">
                <ChevronUpDownIcon class="h-5 w-5 text-gray-400" aria-hidden="true" />
              </span>
            </ListboxButton>

            <transition
              leave-active-class="transition duration-100 ease-in"
              leave-from-class="opacity-100"
              leave-to-class="opacity-0"
            >
              <ListboxOptions
                class="absolute mt-1 max-h-60 z-20 w-full overflow-auto rounded-md bg-white py-1 text-base shadow-lg ring-1 ring-black/5 focus:outline-none sm:text-sm h-32 overflow-y-auto"
              >
                <ListboxOption v-if="calendarTypes.length == 0" disabled as="template">
                  <li :class="['relative cursor-default select-none py-2 pl-10 pr-4']">
                    <span :class="['font-normal', 'block truncate']">keine Auswahl vorhanden</span>
                  </li>
                </ListboxOption>
                <ListboxOption
                  v-slot="{ active, selected }"
                  v-for="type in calendarTypes"
                  :key="type.id"
                  :value="type"
                  as="template"
                >
                  <li
                    :class="[
                      active ? 'bg-red-200 text-amber-900' : 'text-gray-900',
                      'relative cursor-default select-none py-2 pl-10 pr-4',
                    ]"
                  >
                    <span :class="[selected ? 'font-medium' : 'font-normal', 'block truncate']">{{ type.type }}</span>
                    <span v-if="selected" class="absolute inset-y-0 left-0 flex items-center pl-3 text-primary">
                      <CheckIcon class="h-5 w-5" aria-hidden="true" />
                    </span>
                  </li>
                </ListboxOption>
              </ListboxOptions>
            </transition>
          </div>
        </Listbox>
      </div>
      <div>
        <label for="title">Titel</label>
        <input type="text" id="title" required />
      </div>
      <div>
        <label for="content">Beschreibung (optional)</label>
        <textarea id="content" class="h-18"></textarea>
      </div>
      <div class="flex flex-row gap-2 items-center">
        <input
          type="checkbox"
          id="allDay"
          :checked="data.allDay"
          @change="(e) => (allDay = (e.target as HTMLInputElement).checked)"
        />
        <label for="allDay">ganztägig</label>
      </div>
      <div v-if="!allDay" class="flex flex-row gap-2">
        <div class="w-full">
          <label for="starttime">Startzeit</label>
          <input type="datetime-local" id="starttime" required :value="data.start.split(':00+')[0]" />
        </div>
        <div class="w-full">
          <label for="endtime">Endzeit</label>
          <input type="datetime-local" id="endtime" required :value="data.end.split(':00+')[0]" />
        </div>
      </div>
      <div v-else class="flex flex-row gap-2">
        <div class="w-full">
          <label for="startdate">Startdatum</label>
          <input
            type="date"
            id="startdate"
            required
            :value="data.start"
            @change="($event) => (($refs.enddate as HTMLInputElement).max = ($event.target as HTMLInputElement).value)"
          />
        </div>
        <div class="w-full">
          <label for="enddate">Enddatum</label>
          <input
            ref="enddate"
            type="date"
            id="enddate"
            required
            :value="decrementEndDate(data.end)"
            :min="data.start"
          />
        </div>
      </div>
      <div>
        <label for="location">Ort (optional)</label>
        <input type="text" id="location" />
      </div>

      <div class="flex flex-row gap-2">
        <button primary type="submit" :disabled="status == 'loading' || status?.status == 'success'">erstellen</button>
        <Spinner v-if="status == 'loading'" class="my-auto" />
        <SuccessCheckmark v-else-if="status?.status == 'success'" />
        <FailureXMark v-else-if="status?.status == 'failed'" />
      </div>
    </form>

    <div class="flex flex-row justify-end">
      <div class="flex flex-row gap-4 py-2">
        <button
          primary-outline
          @click="closeModal"
          :disabled="status != null && status != 'loading' && status?.status != 'failed'"
        >
          abbrechen
        </button>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { defineComponent } from "vue";
import { mapState, mapActions } from "pinia";
import { useModalStore } from "@/stores/modal";
import Spinner from "@/components/Spinner.vue";
import SuccessCheckmark from "@/components/SuccessCheckmark.vue";
import FailureXMark from "@/components/FailureXMark.vue";
import { useCalendarStore } from "@/stores/admin/calendar";
import type { CreateCalendarViewModel } from "@/viewmodels/admin/calendar.models";
import { Listbox, ListboxButton, ListboxOptions, ListboxOption, ListboxLabel } from "@headlessui/vue";
import { CheckIcon, ChevronUpDownIcon } from "@heroicons/vue/20/solid";
import { useCalendarTypeStore } from "@/stores/admin/calendarType";
import type { CalendarTypeViewModel } from "@/viewmodels/admin/calendarType.models";
</script>

<script lang="ts">
export default defineComponent({
  data() {
    return {
      status: null as null | "loading" | { status: "success" | "failed"; reason?: string },
      timeout: undefined as any,
      allDay: false,
      selectedType: undefined as undefined | CalendarTypeViewModel,
    };
  },
  computed: {
    ...mapState(useModalStore, ["data"]),
    ...mapState(useCalendarTypeStore, ["calendarTypes"]),
  },
  mounted() {
    this.allDay = this.data.allDay;
    this.fetchCalendarTypes();
  },
  beforeUnmount() {
    try {
      clearTimeout(this.timeout);
    } catch (error) {}
  },
  methods: {
    ...mapActions(useModalStore, ["closeModal"]),
    ...mapActions(useCalendarStore, ["createCalendar"]),
    ...mapActions(useCalendarTypeStore, ["fetchCalendarTypes"]),
    triggerCreate(e: any) {
      if (!this.selectedType) return;
      let formData = e.target.elements;
      let createCalendar: CreateCalendarViewModel = {
        typeId: this.selectedType.id,
        starttime: this.allDay
          ? new Date(new Date(formData.startdate.value).setHours(0, 0, 0, 0))
          : formData.starttime.value,
        endtime: this.allDay
          ? new Date(new Date(formData.enddate.value).setHours(23, 59, 59, 999))
          : formData.endtime.value,
        title: formData.title.value,
        content: formData.content.value,
        location: formData.location.value,
        allDay: this.allDay,
      };
      this.createCalendar(createCalendar)
        .then(() => {
          this.status = { status: "success" };
          this.timeout = setTimeout(() => {
            this.closeModal();
          }, 1500);
        })
        .catch(() => {
          this.status = { status: "failed" };
        });
    },
    decrementEndDate(utcDateString: string) {
      const localDate = new Date(utcDateString);

      const year = localDate.getFullYear();
      const month = String(localDate.getMonth() + 1).padStart(2, "0");
      const day = String(localDate.getDate() - 1).padStart(2, "0");

      return `${year}-${month}-${day}`;
    },
  },
});
</script>
