<template>
  <div>
    <v-card-title class="headline"> {{ $t('recipe.create-recipe-from-an-image') }} </v-card-title>
    <v-card-text>
      {{ $t('recipe.create-a-recipe-by-uploading-a-scan') }}
      <v-form ref="domCreateByOcr"> </v-form>
    </v-card-text>
    <v-card-actions class="justify-center">
      <v-file-input
        v-model="imageUpload"
        accept=".png"
        label="recipe.png"
        filled
        clearable
        class="rounded-lg mt-2"
        rounded
        truncate-length="100"
        :hint="$t('recipe.upload-a-png-image-from-a-recipe-book')"
        persistent-hint
        prepend-icon=""
        :prepend-inner-icon="$globals.icons.fileImage"
      />
    </v-card-actions>
    <v-card-actions class="justify-center">
      <v-checkbox v-model="makeFileRecipeImage" :label="$t('new-recipe.make-recipe-image')" />
    </v-card-actions>
    <v-card-actions class="justify-center">
      <div style="width: 250px">
        <BaseButton :disabled="imageUpload === null" large rounded block :loading="loading" @click="createByOcr" />
      </div>
    </v-card-actions>
  </div>
</template>
<script lang="ts">
import { defineComponent, reactive, toRefs, ref, useRouter, computed, useContext, useRoute } from "@nuxtjs/composition-api";
import { AxiosResponse } from "axios";
import { useUserApi } from "~/composables/api";
import { validators } from "~/composables/use-validators";
import { VForm } from "~/types/vuetify";

export default defineComponent({
  setup() {
    const state = reactive({
      error: false,
      loading: false,
      makeFileRecipeImage: false,
    });
    const { $auth } = useContext();
    const route = useRoute();
    const groupSlug = computed(() => route.value.params.groupSlug || $auth.user?.groupSlug || "");

    const api = useUserApi();
    const router = useRouter();

    const imageUpload = ref<File | null>(null);

    function handleResponse(response: AxiosResponse<string> | null) {
      if (response?.status !== 201) {
        state.error = true;
        state.loading = false;
        return;
      }
      router.push(`/g/${groupSlug.value}/r/${response.data}/ocr-editor`);
    }

    const domCreateByOcr = ref<VForm | null>(null);

    async function createByOcr() {
      if (imageUpload.value === null) return; // Should never be true due to circumstances
      state.loading = true;
      const { response } = await api.recipes.createFromOcr(imageUpload.value, state.makeFileRecipeImage);
      // @ts-ignore returns a string and not a full Recipe
      handleResponse(response);
    }

    return {
      domCreateByOcr,
      createByOcr,
      ...toRefs(state),
      validators,
      imageUpload,
    };
  },
});
</script>
