<template>
  <v-container class="md-container">
    <BasePageTitle divider>
      <template #header>
        <v-img max-height="100" max-width="100" :src="require('~/static/svgs/manage-cookbooks.svg')"></v-img>
      </template>
      <template #title> {{ $t('meal-plan.meal-plan-rules') }} </template>
      {{ $t('meal-plan.meal-plan-rules-description') }}
    </BasePageTitle>

    <v-card>
      <v-card-title class="headline"> {{ $t('meal-plan.new-rule') }} </v-card-title>
      <v-divider class="mx-2"></v-divider>
      <v-card-text>
        {{ $t('meal-plan.new-rule-description') }}

        <GroupMealPlanRuleForm
          class="mt-2"
          :day.sync="createData.day"
          :entry-type.sync="createData.entryType"
          :categories.sync="createData.categories"
          :tags.sync="createData.tags"
        />
      </v-card-text>
      <v-card-actions class="justify-end">
        <BaseButton create @click="createRule" />
      </v-card-actions>
    </v-card>

    <section>
      <BaseCardSectionTitle class="mt-10" :title="$tc('meal-plan.recipe-rules')" />
      <div>
        <div v-for="(rule, idx) in allRules" :key="rule.id">
          <v-card class="my-2 left-border">
            <v-card-title class="headline pb-1">
              {{ rule.day === "unset" ? $t('meal-plan.applies-to-all-days') : $t('meal-plan.applies-on-days', [rule.day]) }}
              {{ rule.entryType === "unset" ? $t('meal-plan.for-all-meal-types') : $t('meal-plan.for-type-meal-types', [rule.entryType]) }}
              <span class="ml-auto">
                <BaseButtonGroup
                  :buttons="[
                    {
                      icon: $globals.icons.edit,
                      text: $tc('general.edit'),
                      event: 'edit',
                    },
                    {
                      icon: $globals.icons.delete,
                      text: $tc('general.delete'),
                      event: 'delete',
                    },
                  ]"
                  @delete="deleteRule(rule.id)"
                  @edit="toggleEditState(rule.id)"
                />
              </span>
            </v-card-title>
            <v-card-text>
              <template v-if="!editState[rule.id]">
                <div v-if="rule.categories">
                  <h4 class="py-1">{{ $t("category.categories") }}:</h4>
                  <RecipeChips :items="rule.categories" small />
                </div>

                <div v-if="rule.tags">
                  <h4 class="py-1">{{ $t("tag.tags") }}:</h4>
                  <RecipeChips :items="rule.tags" url-prefix="tags" small />
                </div>
              </template>
              <template v-else>
                <GroupMealPlanRuleForm
                  :day.sync="allRules[idx].day"
                  :entry-type.sync="allRules[idx].entryType"
                  :categories.sync="allRules[idx].categories"
                  :tags.sync="allRules[idx].tags"
                />
                <div class="d-flex justify-end">
                  <BaseButton update @click="updateRule(rule)" />
                </div>
              </template>
            </v-card-text>
          </v-card>
        </div>
      </div>
    </section>
  </v-container>
</template>

<script lang="ts">
import { defineComponent, ref, useAsync } from "@nuxtjs/composition-api";
import { useUserApi } from "~/composables/api";
import { PlanRulesCreate, PlanRulesOut } from "~/lib/api/types/meal-plan";
import GroupMealPlanRuleForm from "~/components/Domain/Group/GroupMealPlanRuleForm.vue";
import { useAsyncKey } from "~/composables/use-utils";
import RecipeChips from "~/components/Domain/Recipe/RecipeChips.vue";

export default defineComponent({
  components: {
    GroupMealPlanRuleForm,
    RecipeChips,
  },
  props: {
    value: {
      type: Boolean,
      default: false,
    },
  },
  setup() {
    const api = useUserApi();

    // ======================================================
    // Manage All
    const editState = ref<{ [key: string]: boolean }>({});
    const allRules = ref<PlanRulesOut[]>([]);

    function toggleEditState(id: string) {
      editState.value[id] = !editState.value[id];
      editState.value = { ...editState.value };
    }

    async function refreshAll() {
      const { data } = await api.mealplanRules.getAll();

      if (data) {
        allRules.value = data.items ?? [];
      }
    }

    useAsync(async () => {
      await refreshAll();
    }, useAsyncKey());

    // ======================================================
    // Creating Rules

    const createData = ref<PlanRulesCreate>({
      entryType: "unset",
      day: "unset",
      categories: [],
      tags: [],
    });

    async function createRule() {
      const { data } = await api.mealplanRules.createOne(createData.value);
      if (data) {
        refreshAll();
        createData.value = {
          entryType: "unset",
          day: "unset",
          categories: [],
          tags: [],
        };
      }
    }

    async function deleteRule(ruleId: string) {
      const { data } = await api.mealplanRules.deleteOne(ruleId);
      if (data) {
        refreshAll();
      }
    }

    async function updateRule(rule: PlanRulesOut) {
      const { data } = await api.mealplanRules.updateOne(rule.id, rule);
      if (data) {
        refreshAll();
        toggleEditState(rule.id);
      }
    }

    return {
      allRules,
      createData,
      createRule,
      deleteRule,
      editState,
      updateRule,
      toggleEditState,
    };
  },
  head() {
    return {
      title: this.$tc("meal-plan.meal-plan-settings"),
    };
  },
});
</script>
