<template>
  <div class="root-container">
    <div v-if="data" class="project-sidebar">
      <Card v-if="instance" class="small-instance">
        <router-link class="instance" :to="`/instance/${encodeURIComponent(instance.path)}`">
          <Avatar
            :src="instance.icon_path ? convertFileSrc(instance.icon_path) : null"
            :alt="instance.name"
            size="sm"
          />
          <div class="small-instance_info">
            <span class="title">{{
              instance.name.length > 20 ? instance.name.substring(0, 20) + '...' : instance.name
            }}</span>
            <span>
              {{ instance.loader.charAt(0).toUpperCase() + instance.loader.slice(1) }}
              {{ instance.game_version }}
            </span>
          </div>
        </router-link>
      </Card>
      <Card class="sidebar-card" @contextmenu.prevent.stop="handleRightClick">
        <Avatar size="lg" :src="data.icon_url" />
        <div class="instance-info">
          <h2 class="name">{{ data.title }}</h2>
          {{ data.description }}
        </div>
        <Categories
          class="tags"
          :categories="
            categories.filter(
              (cat) => data.categories.includes(cat.name) && cat.project_type === 'mod',
            )
          "
          type="ignored"
        >
          <EnvironmentIndicator
            :client-side="data.client_side"
            :server-side="data.server_side"
            :type="data.project_type"
          />
        </Categories>
        <hr class="card-divider" />
        <div class="button-group">
          <Button
            color="primary"
            class="instance-button"
            :disabled="installed === true || installing === true"
            @click="install(null)"
          >
            <DownloadIcon v-if="!installed && !installing" />
            <CheckIcon v-else-if="installed" />
            {{ installing ? 'Installing...' : installed ? 'Installed' : 'Install' }}
          </Button>
          <a
            :href="`https://modrinth.com/${data.project_type}/${data.slug}`"
            rel="external"
            class="btn"
          >
            <ExternalIcon />
            Site
          </a>
        </div>
        <hr class="card-divider" />
        <div class="stats">
          <div class="stat">
            <DownloadIcon aria-hidden="true" />
            <p>
              <strong>{{ formatNumber(data.downloads) }}</strong>
              <span class="stat-label"> download<span v-if="data.downloads !== '1'">s</span></span>
            </p>
          </div>
          <div class="stat">
            <HeartIcon aria-hidden="true" />
            <p>
              <strong>{{ formatNumber(data.followers) }}</strong>
              <span class="stat-label"> follower<span v-if="data.followers !== '1'">s</span></span>
            </p>
          </div>
          <div class="stat date">
            <CalendarIcon aria-hidden="true" />
            <span
              ><span class="date-label">Created </span> {{ dayjs(data.published).fromNow() }}</span
            >
          </div>
          <div class="stat date">
            <UpdatedIcon aria-hidden="true" />
            <span
              ><span class="date-label">Updated </span> {{ dayjs(data.updated).fromNow() }}</span
            >
          </div>
        </div>
        <hr class="card-divider" />
        <div class="button-group">
          <Button class="instance-button" disabled>
            <ReportIcon />
            Report
          </Button>
          <Button class="instance-button" disabled>
            <HeartIcon />
            Follow
          </Button>
        </div>
        <hr class="card-divider" />
        <div class="links">
          <a
            v-if="data.issues_url"
            :href="data.issues_url"
            class="title"
            rel="noopener nofollow ugc external"
          >
            <IssuesIcon aria-hidden="true" />
            <span>Issues</span>
          </a>
          <a
            v-if="data.source_url"
            :href="data.source_url"
            class="title"
            rel="noopener nofollow ugc external"
          >
            <CodeIcon aria-hidden="true" />
            <span>Source</span>
          </a>
          <a
            v-if="data.wiki_url"
            :href="data.wiki_url"
            class="title"
            rel="noopener nofollow ugc external"
          >
            <WikiIcon aria-hidden="true" />
            <span>Wiki</span>
          </a>
          <a
            v-if="data.discord_url"
            :href="data.discord_url"
            class="title"
            rel="noopener nofollow ugc external"
          >
            <DiscordIcon aria-hidden="true" />
            <span>Discord</span>
          </a>
          <a
            v-for="(donation, index) in data.donation_urls"
            :key="index"
            :href="donation.url"
            rel="noopener nofollow ugc external"
          >
            <BuyMeACoffeeIcon v-if="donation.id === 'bmac'" aria-hidden="true" />
            <PatreonIcon v-else-if="donation.id === 'patreon'" aria-hidden="true" />
            <KoFiIcon v-else-if="donation.id === 'ko-fi'" aria-hidden="true" />
            <PaypalIcon v-else-if="donation.id === 'paypal'" aria-hidden="true" />
            <OpenCollectiveIcon v-else-if="donation.id === 'open-collective'" aria-hidden="true" />
            <HeartIcon v-else-if="donation.id === 'github'" />
            <CoinsIcon v-else />
            <span v-if="donation.id === 'bmac'">Buy Me a Coffee</span>
            <span v-else-if="donation.id === 'patreon'">Patreon</span>
            <span v-else-if="donation.id === 'paypal'">PayPal</span>
            <span v-else-if="donation.id === 'ko-fi'">Ko-fi</span>
            <span v-else-if="donation.id === 'github'">GitHub Sponsors</span>
            <span v-else>Donate</span>
          </a>
        </div>
      </Card>
    </div>
    <div v-if="data" class="content-container">
      <Promotion :external="false" query-param="?r=launcher" />
      <Card class="tabs">
        <NavRow
          v-if="data.gallery.length > 0"
          :links="[
            {
              label: 'Description',
              href: `/project/${$route.params.id}/`,
            },
            {
              label: 'Versions',
              href: `/project/${$route.params.id}/versions`,
            },
            {
              label: 'Gallery',
              href: `/project/${$route.params.id}/gallery`,
            },
          ]"
        />
        <NavRow
          v-else
          :links="[
            {
              label: 'Description',
              href: `/project/${$route.params.id}/`,
            },
            {
              label: 'Versions',
              href: `/project/${$route.params.id}/versions`,
            },
          ]"
        />
      </Card>
      <RouterView
        :project="data"
        :versions="versions"
        :members="members"
        :instance="instance"
        :install="install"
        :installed="installed"
        :installing="installing"
        :installed-version="installedVersion"
      />
    </div>
  </div>
  <ContextMenu ref="options" @option-clicked="handleOptionsClick">
    <template #install> <DownloadIcon /> Install </template>
    <template #open_link> <GlobeIcon /> Open in Modrinth <ExternalIcon /> </template>
    <template #copy_link> <ClipboardCopyIcon /> Copy link </template>
  </ContextMenu>
</template>

<script setup>
import {
  DownloadIcon,
  ReportIcon,
  HeartIcon,
  UpdatedIcon,
  CalendarIcon,
  IssuesIcon,
  WikiIcon,
  CoinsIcon,
  CodeIcon,
  ExternalIcon,
  CheckIcon,
  GlobeIcon,
  ClipboardCopyIcon,
} from '@modrinth/assets'
import {
  Categories,
  EnvironmentIndicator,
  Card,
  Avatar,
  Button,
  Promotion,
  NavRow,
} from '@modrinth/ui'
import { formatNumber } from '@modrinth/utils'
import {
  BuyMeACoffeeIcon,
  DiscordIcon,
  PatreonIcon,
  PaypalIcon,
  KoFiIcon,
  OpenCollectiveIcon,
} from '@/assets/external'
import { get_categories } from '@/helpers/tags'
import { get as getInstance, get_projects as getInstanceProjects } from '@/helpers/profile'
import dayjs from 'dayjs'
import relativeTime from 'dayjs/plugin/relativeTime'
import { useRoute } from 'vue-router'
import { ref, shallowRef, watch } from 'vue'
import { useBreadcrumbs } from '@/store/breadcrumbs'
import { handleError } from '@/store/notifications.js'
import { convertFileSrc } from '@tauri-apps/api/tauri'
import ContextMenu from '@/components/ui/ContextMenu.vue'
import { install as installVersion } from '@/store/install.js'
import { get_project, get_project_many, get_team, get_version_many } from '@/helpers/cache.js'

dayjs.extend(relativeTime)

const route = useRoute()
const breadcrumbs = useBreadcrumbs()

const options = ref(null)
const installing = ref(false)
const data = shallowRef(null)
const versions = shallowRef([])
const members = shallowRef([])
const categories = shallowRef([])
const instance = ref(null)
const instanceProjects = ref(null)

const installed = ref(false)
const installedVersion = ref(null)

async function fetchProjectData() {
  const project = await get_project(route.params.id).catch(handleError)

  data.value = project
  ;[versions.value, members.value, categories.value, instance.value, instanceProjects.value] =
    await Promise.all([
      get_version_many(project.versions).catch(handleError),
      get_team(project.team).catch(handleError),
      get_categories().catch(handleError),
      route.query.i ? getInstance(route.query.i).catch(handleError) : Promise.resolve(),
      route.query.i ? getInstanceProjects(route.query.i).catch(handleError) : Promise.resolve(),
    ])

  versions.value = versions.value.sort((a, b) => dayjs(b.date_published) - dayjs(a.date_published))

  if (instanceProjects.value) {
    const installedFile = Object.values(instanceProjects.value).find(
      (x) => x.metadata && x.metadata.project_id === data.value.id,
    )
    if (installedFile) {
      installed.value = true
      installedVersion.value = installedFile.metadata.version_id
    }
  }
  breadcrumbs.setName('Project', data.value.title)
}

await fetchProjectData()

watch(
  () => route.params.id,
  async () => {
    if (route.params.id && route.path.startsWith('/project')) {
      await fetchProjectData()
    }
  },
)

async function install(version) {
  installing.value = true
  await installVersion(
    data.value.id,
    version,
    instance.value ? instance.value.path : null,
    'ProjectPage',
    (version) => {
      installing.value = false

      if (instance.value && version) {
        installed.value = true
        installedVersion.value = version
      }
    },
  )
}

const handleRightClick = (e) => {
  options.value.showMenu(e, data.value, [
    { name: 'install' },
    { type: 'divider' },
    { name: 'open_link' },
    { name: 'copy_link' },
  ])
}

const handleOptionsClick = (args) => {
  switch (args.option) {
    case 'install':
      install(null)
      break
    case 'open_link':
      window.__TAURI_INVOKE__('tauri', {
        __tauriModule: 'Shell',
        message: {
          cmd: 'open',
          path: `https://modrinth.com/${args.item.project_type}/${args.item.slug}`,
        },
      })
      break
    case 'copy_link':
      navigator.clipboard.writeText(
        `https://modrinth.com/${args.item.project_type}/${args.item.slug}`,
      )
      break
  }
}
</script>

<style scoped lang="scss">
.root-container {
  display: flex;
  flex-direction: row;
  min-height: 100%;
}

.project-sidebar {
  position: fixed;
  width: 20rem;
  min-height: calc(100vh - 3.25rem);
  height: fit-content;
  max-height: calc(100vh - 3.25rem);
  padding: 1rem 0.5rem 1rem 1rem;
  overflow-y: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;

  &::-webkit-scrollbar {
    width: 0;
    background: transparent;
  }
}

.sidebar-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.content-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 1rem;
  margin-left: 19.5rem;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  gap: 0.5rem;
}

.stats {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  gap: var(--gap-md);

  .stat {
    display: flex;
    flex-direction: row;
    align-items: center;
    width: fit-content;
    gap: var(--gap-xs);
    --stat-strong-size: 1.25rem;

    strong {
      font-size: var(--stat-strong-size);
    }

    p {
      margin: 0;
    }

    svg {
      min-height: var(--stat-strong-size);
      min-width: var(--stat-strong-size);
    }
  }

  .date {
    margin-top: auto;
  }
}

.tabs {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  margin-bottom: var(--gap-md);
  justify-content: space-between;

  .tab {
    display: flex;
    flex-direction: row;
    align-items: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;

    &:hover {
      background-color: var(--color-raised-bg);
    }

    &.router-view-active {
      background-color: var(--color-raised-bg);
    }
  }
}

.links {
  a {
    display: inline-flex;
    align-items: center;
    border-radius: 1rem;
    color: var(--color-text);

    svg,
    img {
      height: 1rem;
      width: 1rem;
    }

    span {
      margin-left: 0.25rem;
      text-decoration: underline;
      line-height: 2rem;
    }

    &:focus-visible,
    &:hover {
      svg,
      img,
      span {
        color: var(--color-heading);
      }
    }

    &:active {
      svg,
      img,
      span {
        color: var(--color-text-dark);
      }
    }

    &:not(:last-child)::after {
      content: '•';
      margin: 0 0.25rem;
    }
  }
}

.install-loading {
  scale: 0.2;
  height: 1rem;
  width: 1rem;
  margin-right: -1rem;

  :deep(svg) {
    color: var(--color-contrast);
  }
}

.small-instance {
  padding: var(--gap-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--gap-md);

  .instance {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0;

    .title {
      font-weight: 600;
      color: var(--color-contrast);
    }
  }

  .small-instance_info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0.25rem 0;
  }
}
</style>
