<script lang="ts">
  /**
   * The 'imageOperations' previews an image and offers some extra tools (e.g. download)
   */

  import ImageProvider from "../../Logic/ImageProviders/ImageProvider"
  import type { HotspotProperties } from "../../Logic/ImageProviders/ImageProvider"
  import type { ProvidedImage } from "../../Logic/ImageProviders/ImageProvider"
  import ImageAttribution from "./ImageAttribution.svelte"
  import ImagePreview from "./ImagePreview.svelte"
  import { DownloadIcon, ExternalLinkIcon } from "@rgossiaux/svelte-heroicons/solid"
  import { twMerge } from "tailwind-merge"
  import { UIEventSource } from "../../Logic/UIEventSource"
  import Loading from "../Base/Loading.svelte"
  import Tr from "../Base/Tr.svelte"
  import Translations from "../i18n/Translations"
  import DotMenu from "../Base/DotMenu.svelte"
  import type { Feature, Geometry } from "geojson"
  import { Store } from "../../Logic/UIEventSource"

  export let image: Partial<ProvidedImage> & { id: string; url: string }
  export let clss: string = undefined
  export let nearbyFeatures:
    | Feature<Geometry, HotspotProperties>[]
    | Store<Feature<Geometry, HotspotProperties>[]> = []
  let visitUrl = image.provider?.visitUrl(image)
  let isLoaded = new UIEventSource(false)
</script>

<div class={twMerge("relative h-full w-full", clss)}>
  <div class="panzoom-container focusable absolute left-0 top-0 h-full w-full overflow-hidden">
    {#if !$isLoaded}
      <div class="flex h-full w-full items-center justify-center">
        <Loading />
      </div>
    {/if}
    <ImagePreview {image} {isLoaded} {nearbyFeatures} />
  </div>

  {#if $$slots["dot-menu-actions"]}
    <DotMenu dotsPosition="top-0 left-0" dotsSize="w-8 h-8" hideBackground>
      <slot name="dot-menu-actions" />
      <button
        class="no-image-background pointer-events-auto flex items-center"
        on:click={() => ImageProvider.offerImageAsDownload(image)}
      >
        <DownloadIcon class="h-6 w-6 px-2 opacity-100" />
        <Tr t={Translations.t.general.download.downloadImage} />
      </button>

      {#if visitUrl !== undefined}
        <a href={visitUrl} target="_blank" rel="noopener">
          <ExternalLinkIcon class="w-6" />
          <Tr t={Translations.t.image.openOnWebsite.Subs(image.provider)} />
        </a>
      {/if}
    </DotMenu>
  {/if}
  <div
    class="pointer-events-none absolute bottom-0 left-0 flex w-full flex-wrap items-end justify-between"
  >
    <div class="pointer-events-auto m-1 w-fit transition-colors duration-200">
      <ImageAttribution {image} attributionFormat="large" />
    </div>

    <slot />
  </div>
</div>
