<script setup>
import { computed, ref } from 'vue';
import { useI18n } from 'vue-i18n';
import { useMapGetter } from 'dashboard/composables/store';

import Button from 'dashboard/components-next/button/Button.vue';
import WhatsappTemplateParser from './WhatsappTemplateParser.vue';

const props = defineProps({
  inboxId: {
    type: Number,
    required: true,
  },
});

const emit = defineEmits(['sendMessage']);

const { t } = useI18n();
const getFilteredWhatsAppTemplates = useMapGetter(
  'inboxes/getFilteredWhatsAppTemplates'
);

const searchQuery = ref('');
const selectedTemplate = ref(null);

const showTemplatesMenu = ref(false);

const whatsAppTemplateMessages = computed(() => {
  return getFilteredWhatsAppTemplates.value(props.inboxId);
});

const filteredTemplates = computed(() => {
  return whatsAppTemplateMessages.value.filter(template =>
    template.name.toLowerCase().includes(searchQuery.value.toLowerCase())
  );
});

const getTemplateBody = template => {
  return template.components.find(component => component.type === 'BODY').text;
};

const handleTriggerClick = () => {
  searchQuery.value = '';
  showTemplatesMenu.value = !showTemplatesMenu.value;
};

const handleTemplateClick = template => {
  selectedTemplate.value = template;
  showTemplatesMenu.value = false;
};

const handleBack = () => {
  selectedTemplate.value = null;
  showTemplatesMenu.value = true;
};

const handleSendMessage = template => {
  emit('sendMessage', template);
  selectedTemplate.value = null;
};
</script>

<template>
  <div class="relative">
    <Button
      icon="i-ri-whatsapp-line"
      :label="t('COMPOSE_NEW_CONVERSATION.FORM.WHATSAPP_OPTIONS.LABEL')"
      color="slate"
      size="sm"
      :disabled="selectedTemplate"
      class="!text-xs font-medium"
      @click="handleTriggerClick"
    />
    <div
      v-if="showTemplatesMenu"
      class="absolute top-full mt-1.5 max-h-96 overflow-y-auto left-0 flex flex-col gap-2 p-4 items-center w-[21.875rem] h-auto bg-n-solid-2 border border-n-strong shadow-sm rounded-lg"
    >
      <div class="relative w-full">
        <span class="absolute top-2 left-3 i-lucide-search size-3.5" />
        <input
          v-model="searchQuery"
          type="search"
          :placeholder="
            t(
              'COMPOSE_NEW_CONVERSATION.FORM.WHATSAPP_OPTIONS.SEARCH_PLACEHOLDER'
            )
          "
          class="py-2 pr-2 pl-10 w-full h-8 text-sm rounded-lg border-none outline-none reset-base bg-n-alpha-black2 dark:bg-n-solid-1 text-n-slate-12"
        />
      </div>
      <div
        v-for="template in filteredTemplates"
        :key="template.id"
        class="flex flex-col gap-2 p-2 w-full rounded-lg cursor-pointer dark:hover:bg-n-alpha-3 hover:bg-n-alpha-1"
        @click="handleTemplateClick(template)"
      >
        <span class="text-sm text-n-slate-12">{{ template.name }}</span>
        <p class="mb-0 text-xs leading-5 text-n-slate-11 line-clamp-2">
          {{ getTemplateBody(template) }}
        </p>
      </div>
      <template v-if="filteredTemplates.length === 0">
        <p class="pt-2 w-full text-sm text-n-slate-11">
          {{ t('COMPOSE_NEW_CONVERSATION.FORM.WHATSAPP_OPTIONS.EMPTY_STATE') }}
        </p>
      </template>
    </div>
    <WhatsappTemplateParser
      v-if="selectedTemplate"
      :template="selectedTemplate"
      @send-message="handleSendMessage"
      @back="handleBack"
    />
  </div>
</template>
