<template>
  <RecipeDialogShare v-model="shareDialog" :recipe-id="recipeId" :name="name" />
  <RecipeDialogPrintPreferences v-model="printPreferencesDialog" :recipe="recipeRef" />
  <BaseDialog
    v-model="recipeDeleteDialog"
    :title="$t('recipe.delete-recipe')"
    color="error"
    :icon="$globals.icons.alertCircle"
    can-confirm
    @confirm="deleteRecipe()"
  >
    <v-card-text>
      <template v-if="isAdminAndNotOwner">
        {{ $t("recipe.admin-delete-confirmation") }}
      </template>
      <template v-else>
        {{ $t("recipe.delete-confirmation") }}
      </template>
    </v-card-text>
  </BaseDialog>
  <BaseDialog
    v-model="recipeDuplicateDialog"
    :title="$t('recipe.duplicate')"
    color="primary"
    :icon="$globals.icons.duplicate"
    can-confirm
    @confirm="duplicateRecipe()"
  >
    <v-card-text>
      <v-text-field
        v-model="recipeName"
        density="compact"
        :label="$t('recipe.recipe-name')"
        autofocus
        @keyup.enter="duplicateRecipe()"
      />
    </v-card-text>
  </BaseDialog>
  <BaseDialog
    v-model="mealplannerDialog"
    :title="$t('recipe.add-recipe-to-mealplan')"
    color="primary"
    :icon="$globals.icons.calendar"
    can-confirm
    @confirm="addRecipeToPlan()"
  >
    <v-card-text>
      <v-date-picker
        v-model="newMealdate"
        class="mx-auto mb-3"
        hide-header
        show-adjacent-months
        color="primary"
        :first-day-of-week="firstDayOfWeek"
        :local="$i18n.locale"
      />
      <v-select
        v-model="newMealType"
        :return-object="false"
        :items="planTypeOptions"
        :label="$t('recipe.entry-type')"
        item-title="text"
        item-value="value"
      />
    </v-card-text>
  </BaseDialog>
  <RecipeDialogAddToShoppingList
    v-if="shoppingLists && recipeRefWithScale"
    v-model="shoppingListDialog"
    :recipes="[recipeRefWithScale]"
    :shopping-lists="shoppingLists"
  />

  <v-list density="compact">
    <v-list-item v-for="(item, index) in menuItems" :key="index" @click="contextMenuEventHandler(item.event)">
      <template #prepend>
        <v-icon :color="item.color">
          {{ item.icon }}
        </v-icon>
      </template>
      <v-list-item-title>{{ item.title }}</v-list-item-title>
    </v-list-item>
    <div v-if="useItems.recipeActions && recipeActions && recipeActions.length">
      <v-divider />
      <v-list-item
        v-for="(action, index) in recipeActions"
        :key="index"
        @click="executeRecipeAction(action)"
      >
        <template #prepend>
          <v-icon color="undefined">
            {{ $globals.icons.linkVariantPlus }}
          </v-icon>
        </template>
        <v-list-item-title>
          {{ action.title }}
        </v-list-item-title>
      </v-list-item>
    </div>
  </v-list>
</template>

<script setup lang="ts">
import RecipeDialogAddToShoppingList from "~/components/Domain/Recipe/RecipeDialogAddToShoppingList.vue";
import RecipeDialogPrintPreferences from "~/components/Domain/Recipe/RecipeDialogPrintPreferences.vue";
import RecipeDialogShare from "~/components/Domain/Recipe/RecipeDialogShare.vue";
import { useLoggedInState } from "~/composables/use-logged-in-state";
import { useUserApi } from "~/composables/api";
import { useGroupRecipeActions } from "~/composables/use-group-recipe-actions";
import { useHouseholdSelf } from "~/composables/use-households";
import { alert } from "~/composables/use-toast";
import { usePlanTypeOptions } from "~/composables/use-group-mealplan";
import type { Recipe } from "~/lib/api/types/recipe";
import type { GroupRecipeActionOut, ShoppingListSummary } from "~/lib/api/types/household";
import type { PlanEntryType } from "~/lib/api/types/meal-plan";
import { useDownloader } from "~/composables/api/use-downloader";

export interface ContextMenuIncludes {
  delete: boolean;
  edit: boolean;
  download: boolean;
  duplicate: boolean;
  mealplanner: boolean;
  shoppingList: boolean;
  print: boolean;
  printPreferences: boolean;
  share: boolean;
  recipeActions: boolean;
}

export interface ContextMenuItem {
  title: string;
  icon: string;
  color: string | undefined;
  event: string;
  isPublic: boolean;
}

interface Props {
  useItems?: ContextMenuIncludes;
  appendItems?: ContextMenuItem[];
  leadingItems?: ContextMenuItem[];
  menuTop?: boolean;
  fab?: boolean;
  color?: string;
  slug: string;
  menuIcon?: string | null;
  name: string;
  recipe?: Recipe;
  recipeId: string;
  recipeScale?: number;
}
const props = withDefaults(defineProps<Props>(), {
  useItems: () => ({
    delete: true,
    edit: true,
    download: true,
    duplicate: false,
    mealplanner: true,
    shoppingList: true,
    print: true,
    printPreferences: true,
    share: true,
    recipeActions: true,
  }),
  appendItems: () => [],
  leadingItems: () => [],
  menuTop: true,
  fab: false,
  color: "primary",
  menuIcon: null,
  recipe: undefined,
  recipeScale: 1,
});

const emit = defineEmits<{
  [key: string]: any;
  deleted: [slug: string];
  print: [];
}>();

const api = useUserApi();

const printPreferencesDialog = ref(false);
const shareDialog = ref(false);
const recipeDeleteDialog = ref(false);
const mealplannerDialog = ref(false);
const shoppingListDialog = ref(false);
const recipeDuplicateDialog = ref(false);
const recipeName = ref(props.name);
const loading = ref(false);
const menuItems = ref<ContextMenuItem[]>([]);
const newMealdate = ref(new Date());
const newMealType = ref<PlanEntryType>("dinner");

const newMealdateString = computed(() => {
  // Format the date to YYYY-MM-DD in the same timezone as newMealdate
  const year = newMealdate.value.getFullYear();
  const month = String(newMealdate.value.getMonth() + 1).padStart(2, "0");
  const day = String(newMealdate.value.getDate()).padStart(2, "0");
  return `${year}-${month}-${day}`;
});

const i18n = useI18n();
const $auth = useMealieAuth();
const { $globals } = useNuxtApp();
const { household } = useHouseholdSelf();
const { isOwnGroup } = useLoggedInState();

const route = useRoute();
const groupSlug = computed(() => route.params.groupSlug || $auth.user.value?.groupSlug || "");

const firstDayOfWeek = computed(() => {
  return household.value?.preferences?.firstDayOfWeek || 0;
});

// ===========================================================================
// Context Menu Setup

const defaultItems: { [key: string]: ContextMenuItem } = {
  edit: {
    title: i18n.t("general.edit"),
    icon: $globals.icons.edit,
    color: undefined,
    event: "edit",
    isPublic: false,
  },
  delete: {
    title: i18n.t("general.delete"),
    icon: $globals.icons.delete,
    color: undefined,
    event: "delete",
    isPublic: false,
  },
  download: {
    title: i18n.t("general.download"),
    icon: $globals.icons.download,
    color: undefined,
    event: "download",
    isPublic: false,
  },
  duplicate: {
    title: i18n.t("general.duplicate"),
    icon: $globals.icons.duplicate,
    color: undefined,
    event: "duplicate",
    isPublic: false,
  },
  mealplanner: {
    title: i18n.t("recipe.add-to-plan"),
    icon: $globals.icons.calendar,
    color: undefined,
    event: "mealplanner",
    isPublic: false,
  },
  shoppingList: {
    title: i18n.t("recipe.add-to-list"),
    icon: $globals.icons.cartCheck,
    color: undefined,
    event: "shoppingList",
    isPublic: false,
  },
  print: {
    title: i18n.t("general.print"),
    icon: $globals.icons.printer,
    color: undefined,
    event: "print",
    isPublic: true,
  },
  printPreferences: {
    title: i18n.t("general.print-preferences"),
    icon: $globals.icons.printerSettings,
    color: undefined,
    event: "printPreferences",
    isPublic: true,
  },
  share: {
    title: i18n.t("general.share"),
    icon: $globals.icons.shareVariant,
    color: undefined,
    event: "share",
    isPublic: false,
  },
};

// Add leading and Appending Items
menuItems.value = [...menuItems.value, ...props.leadingItems, ...props.appendItems];

// ===========================================================================
// Context Menu Event Handler

const shoppingLists = ref<ShoppingListSummary[]>();
const recipeRef = ref<Recipe | undefined>(props.recipe);
const recipeRefWithScale = computed(() =>
  recipeRef.value ? { scale: props.recipeScale, ...recipeRef.value } : undefined,
);
const isAdminAndNotOwner = computed(() => {
  return (
    $auth.user.value?.admin
    && $auth.user.value?.id !== recipeRef.value?.userId
  );
});
const canDelete = computed(() => {
  const user = $auth.user.value;
  const recipe = recipeRef.value;
  return user && recipe && (user.admin || user.id === recipe.userId);
});

// Get Default Menu Items Specified in Props
for (const [key, value] of Object.entries(props.useItems)) {
  if (!value) continue;

  // Skip delete if not allowed
  if (key === "delete" && !canDelete.value) continue;

  const item = defaultItems[key];
  if (item && (item.isPublic || isOwnGroup.value)) {
    menuItems.value.push(item);
  }
}

async function getShoppingLists() {
  const { data } = await api.shopping.lists.getAll(1, -1, { orderBy: "name", orderDirection: "asc" });
  if (data) {
    shoppingLists.value = data.items ?? [];
  }
}

async function refreshRecipe() {
  const { data } = await api.recipes.getOne(props.slug);
  if (data) {
    recipeRef.value = data;
  }
}

const router = useRouter();
const groupRecipeActionsStore = useGroupRecipeActions();

async function executeRecipeAction(action: GroupRecipeActionOut) {
  if (!props.recipe) return;
  const response = await groupRecipeActionsStore.execute(action, props.recipe, props.recipeScale);

  if (action.actionType === "post") {
    if (!response?.error) {
      alert.success(i18n.t("events.message-sent"));
    }
    else {
      alert.error(i18n.t("events.something-went-wrong"));
    }
  }
}

async function deleteRecipe() {
  const { data } = await api.recipes.deleteOne(props.slug);
  if (data?.slug) {
    router.push(`/g/${groupSlug.value}`);
  }
  emit("deleted", props.slug);
}

const download = useDownloader();

async function handleDownloadEvent() {
  const { data: shareToken } = await api.recipes.share.createOne({ recipeId: props.recipeId });
  if (!shareToken) {
    console.error("No share token received");
    alert.error(i18n.t("events.something-went-wrong"));
    return;
  }

  download(api.recipes.share.getZipRedirectUrl(shareToken.id), `${props.slug}.zip`);
}

async function addRecipeToPlan() {
  const { response } = await api.mealplans.createOne({
    date: newMealdateString.value,
    entryType: newMealType.value,
    title: "",
    text: "",
    recipeId: props.recipeId,
  });

  if (response?.status === 201) {
    alert.success(i18n.t("recipe.recipe-added-to-mealplan") as string);
  }
  else {
    alert.error(i18n.t("recipe.failed-to-add-recipe-to-mealplan") as string);
  }
}

async function duplicateRecipe() {
  const { data } = await api.recipes.duplicateOne(props.slug, recipeName.value);
  if (data && data.slug) {
    router.push(`/g/${groupSlug.value}/r/${data.slug}`);
  }
}

// Note: Print is handled as an event in the parent component
// eslint-disable-next-line @typescript-eslint/no-invalid-void-type
const eventHandlers: { [key: string]: () => void | Promise<any> } = {
  delete: () => {
    recipeDeleteDialog.value = true;
  },
  edit: () => router.push(`/g/${groupSlug.value}/r/${props.slug}` + "?edit=true"),
  download: handleDownloadEvent,
  duplicate: () => {
    recipeDuplicateDialog.value = true;
  },
  mealplanner: () => {
    mealplannerDialog.value = true;
  },
  printPreferences: async () => {
    if (!recipeRef.value) {
      await refreshRecipe();
    }
    printPreferencesDialog.value = true;
  },
  shoppingList: () => {
    const promises: Promise<void>[] = [getShoppingLists()];
    if (!recipeRef.value) {
      promises.push(refreshRecipe());
    }

    Promise.allSettled(promises).then(() => {
      shoppingListDialog.value = true;
    });
  },
  share: () => {
    shareDialog.value = true;
  },
};

function contextMenuEventHandler(eventKey: string) {
  const handler = eventHandlers[eventKey];

  if (handler && typeof handler === "function") {
    handler();
    loading.value = false;
    return;
  }

  emit(eventKey);
  loading.value = false;
}

const planTypeOptions = usePlanTypeOptions();
const recipeActions = groupRecipeActionsStore.recipeActions;
</script>
