<script setup>
definePageMeta({
  middleware: "auth"
})

//
const supabase = useSupabaseClient()
const route = useRoute()
const router = useRouter()
const toast = useToast()
const id = ref(route.params.id ? route.params.id : null )


//Store
const {products, units, ownTenant } = storeToRefs(useDataStore())
const {fetchProducts, getProductById, getStockByProductId} = useDataStore()

let currentProduct = null



//Working
const mode = ref(route.params.mode || "show")
const itemInfo = ref({
    unit: 1,
    tags: []
})

//Functions
const setupPage = () => {
  if(mode.value === "show" || mode.value === "edit"){
    currentProduct = getProductById(Number(useRoute().params.id))
  }

  if(mode.value === "edit") itemInfo.value = currentProduct



}

const createItem = async () => {
  const {data,error} = await supabase
      .from("products")
      .insert([itemInfo.value])
      .select()

  if(error) {
    console.log(error)
  } else {
    mode.value = "show"
    itemInfo.value = {
      id: 0,
      name: ""
    }
    toast.add({title: "Artikel erfolgreich erstellt"})
    await fetchProducts()
    router.push(`/products/show/${data[0].id}`)
    setupPage()
  }
}

const editItem = async () => {
  router.push(`/products/edit/${currentProduct.id}`)
  setupPage()
}

const cancelEditorCreate = () => {
  mode.value = "show"
  itemInfo.value = {
    id: 0,

  }
}

const updateItem = async () => {
  const {error} = await supabase
      .from("products")
      .update(itemInfo.value)
      .eq('id',itemInfo.value.id)

  if(error) {
    console.log(error)
  } else {
    mode.value = "show"
    itemInfo.value = {
      id: 0,
      name: "",
    }
    toast.add({title: "Artikel erfolgreich gespeichert"})
    fetchProducts()
  }


}



setupPage()
</script>

<template>
  <div>
    <UCard v-if="currentProduct && mode == 'show'" >
      <template #header>
        {{currentProduct.name}}
      </template>

      <UBadge
        v-for="tag in currentProduct.tags"
        class="mr-2"
      >
        {{tag}}
      </UBadge>

      <UDivider
        class="my-2"
      />

      Bestand: {{getStockByProductId(currentProduct.id)}} {{units.find(unit => unit.id === currentProduct.unit) ? units.find(unit => unit.id === currentProduct.unit).name : ""}}


      <UDivider
          class="my-2"
      />

      {{currentProduct}}



      <template #footer>
        <UButton
            v-if="mode == 'show' && currentProduct.id"
            @click="editItem"
        >
          Bearbeiten
        </UButton>
        <UButton
            color="red"
            class="ml-2"
            disabled
        >
          Archivieren
        </UButton>
        <!-- TODO: Produkt archivieren        -->
      </template>



    </UCard>
    <UCard v-else-if="mode == 'edit' || mode == 'create'" >
      <template #header>
        {{itemInfo.name}}
      </template>

      <UFormGroup
          label="Name:"
      >
        <UInput
            v-model="itemInfo.name"
        />
      </UFormGroup>
      <UFormGroup
          label="Hersteller:"
      >
        <UInput
            v-model="itemInfo.manufacturer"
        />
      </UFormGroup>
      <UFormGroup
          label="Einheit:"
      >
        <USelectMenu
          v-model="itemInfo.unit"
          :options="units"
          option-attribute="name"
          value-attribute="id"
        >
          <template #label>
            {{units.find(unit => unit.id === itemInfo.unit) ? units.find(unit => unit.id === itemInfo.unit).name : itemInfo.unit }}
          </template>
        </USelectMenu>
      </UFormGroup>
      <UFormGroup
          label="Tags:"
      >
        <USelectMenu
          v-model="itemInfo.tags"
          :options="ownTenant.tags.products"
          multiple
        />
      </UFormGroup>
      <UFormGroup
          label="EAN:"
      >
        <UInput
            v-model="itemInfo.ean"
        />
      </UFormGroup>


      <template #footer>
        <UButton
            v-if="mode == 'edit'"
            @click="updateItem"
        >
          Speichern
        </UButton>
        <UButton
            v-else-if="mode == 'create'"
            @click="createItem"
        >
          Erstellen
        </UButton>
        <UButton
            @click="cancelEditorCreate"
            color="red"
            class="ml-2"
        >
          Abbrechen
        </UButton>
      </template>

    </UCard>
  </div>
</template>

<style scoped>

</style>