import { useI18n } from '@solid-primitives/i18n'
import {
  IconBrandSpeedtest,
  IconReload,
  IconSettings,
} from '@tabler/icons-solidjs'
import { For, Show, createSignal } from 'solid-js'
import { twMerge } from 'tailwind-merge'
import {
  Button,
  Collapse,
  ForTwoColumns,
  ProxiesSettingsModal,
  ProxyCardGroups,
  ProxyNodePreview,
  SubscriptionInfo,
} from '~/components'
import { MODAL } from '~/constants'
import {
  filterProxiesByAvailability,
  formatTimeFromNow,
  sortProxiesByOrderingType,
  useStringBooleanMap,
} from '~/helpers'
import {
  hideUnAvailableProxies,
  proxiesOrderingType,
  useProxies,
} from '~/signals'
import type { Proxy } from '~/types'

enum ActiveTab {
  proxyProviders = 'proxyProviders',
  proxies = 'proxies',
}

export default () => {
  const [t] = useI18n()
  const {
    proxies,
    setProxyGroupByProxyName,
    latencyTestByProxyGroupName,
    latencyMap,
    proxyProviders,
    updateProviderByProviderName,
    updateAllProvider,
    healthCheckByProviderName,
  } = useProxies()

  const { map: collapsedMap, set: setCollapsedMap } = useStringBooleanMap()
  const { map: latencyTestingMap, setWithCallback: setLatencyTestingMap } =
    useStringBooleanMap()

  const onProxyNodeClick = async (proxy: Proxy, proxyName: string) => {
    void setProxyGroupByProxyName(proxy, proxyName)
  }

  const onLatencyTestClick = async (e: MouseEvent, name: string) => {
    e.stopPropagation()
    void setLatencyTestingMap(name, () => latencyTestByProxyGroupName(name))
  }

  const { map: healthCheckingMap, setWithCallback: setHealthCheckingMap } =
    useStringBooleanMap()
  const { map: updatingMap, setWithCallback: setUpdatingMap } =
    useStringBooleanMap()
  const [isAllProviderUpdating, setIsAllProviderUpdating] = createSignal(false)

  const onHealthCheckClick = (e: MouseEvent, name: string) => {
    e.stopPropagation()
    void setHealthCheckingMap(name, () => healthCheckByProviderName(name))
  }

  const onUpdateProviderClick = (e: MouseEvent, name: string) => {
    e.stopPropagation()
    void setUpdatingMap(name, () => updateProviderByProviderName(name))
  }

  const onUpdateAllProviderClick = async (e: MouseEvent) => {
    e.stopPropagation()
    setIsAllProviderUpdating(true)
    try {
      await updateAllProvider()
    } catch {}
    setIsAllProviderUpdating(false)
  }

  const [activeTab, setActiveTab] = createSignal(ActiveTab.proxies)

  const tabs = () => [
    {
      type: ActiveTab.proxies,
      name: t('proxies'),
      count: proxies().length,
    },
    {
      type: ActiveTab.proxyProviders,
      name: t('proxyProviders'),
      count: proxyProviders().length,
    },
  ]

  return (
    <div class="flex h-full flex-col gap-2">
      <Show when={proxyProviders().length > 0}>
        <div class="flex items-center gap-2">
          <div class="tabs-boxed tabs gap-2">
            <For each={tabs()}>
              {(tab) => (
                <button
                  class={twMerge(
                    activeTab() === tab.type && 'tab-active',
                    'tab tab-sm gap-2 px-2 sm:tab-md',
                  )}
                  onClick={() => setActiveTab(tab.type)}
                >
                  <span>{tab.name}</span>
                  <div class="badge badge-sm">{tab.count}</div>
                </button>
              )}
            </For>
          </div>

          <Show when={activeTab() === ActiveTab.proxyProviders}>
            <Button
              class="btn btn-circle btn-sm"
              disabled={isAllProviderUpdating()}
              onClick={(e) => onUpdateAllProviderClick(e)}
            >
              <IconReload
                class={twMerge(
                  isAllProviderUpdating() && 'animate-spin text-success',
                )}
              />
            </Button>
          </Show>

          <div class="ml-auto">
            <Button
              class="btn-circle btn-sm sm:btn-md"
              onClick={() => {
                const modal = document.querySelector(
                  `#${MODAL.PROXIES_SETTINGS}`,
                ) as HTMLDialogElement | null

                modal?.showModal()
              }}
            >
              <IconSettings />
            </Button>
          </div>
        </div>
      </Show>

      <div class="flex-1 overflow-y-auto">
        <Show when={activeTab() === ActiveTab.proxyProviders}>
          <ForTwoColumns
            subChild={proxyProviders().map((proxyProvider) => {
              const sortedProxyNames = filterProxiesByAvailability(
                sortProxiesByOrderingType(
                  proxyProvider.proxies.map((i) => i.name) ?? [],
                  latencyMap(),
                  proxiesOrderingType(),
                ),
                latencyMap(),
                hideUnAvailableProxies(),
              )

              const title = (
                <>
                  <div class="mr-8 flex items-center justify-between">
                    <div class="flex items-center gap-2">
                      <span>{proxyProvider.name}</span>
                      <div class="badge badge-sm">
                        {proxyProvider.proxies.length}
                      </div>
                    </div>

                    <div>
                      <Button
                        class="btn btn-circle btn-sm mr-2"
                        disabled={updatingMap()[proxyProvider.name]}
                        onClick={(e) =>
                          onUpdateProviderClick(e, proxyProvider.name)
                        }
                      >
                        <IconReload
                          class={twMerge(
                            updatingMap()[proxyProvider.name] &&
                              'animate-spin text-success',
                          )}
                        />
                      </Button>

                      <Button
                        class="btn btn-circle btn-sm"
                        disabled={healthCheckingMap()[proxyProvider.name]}
                        onClick={(e) =>
                          onHealthCheckClick(e, proxyProvider.name)
                        }
                      >
                        <IconBrandSpeedtest
                          class={twMerge(
                            healthCheckingMap()[proxyProvider.name] &&
                              'animate-pulse text-success',
                          )}
                        />
                      </Button>
                    </div>
                  </div>

                  <SubscriptionInfo
                    subscriptionInfo={proxyProvider.subscriptionInfo}
                  />

                  <div class="text-sm text-slate-500">
                    {proxyProvider.vehicleType} :: {t('updated')}{' '}
                    {formatTimeFromNow(proxyProvider.updatedAt)}
                  </div>

                  <Show when={!collapsedMap()[proxyProvider.name]}>
                    <ProxyNodePreview proxyNameList={sortedProxyNames} />
                  </Show>
                </>
              )

              const content = <ProxyCardGroups proxyNames={sortedProxyNames} />

              return (
                <Collapse
                  isOpen={collapsedMap()[proxyProvider.name]}
                  title={title}
                  content={content}
                  onCollapse={(val) => setCollapsedMap(proxyProvider.name, val)}
                />
              )
            })}
          />
        </Show>

        <Show when={activeTab() === ActiveTab.proxies}>
          <ForTwoColumns
            subChild={proxies().map((proxy) => {
              const sortedProxyNames = filterProxiesByAvailability(
                sortProxiesByOrderingType(
                  proxy.all ?? [],
                  latencyMap(),
                  proxiesOrderingType(),
                ),
                latencyMap(),
                hideUnAvailableProxies(),
              )

              const title = (
                <>
                  <div class="mr-8 flex items-center justify-between">
                    <div class="flex items-center gap-2">
                      <span>{proxy.name}</span>
                      <div class="badge badge-sm">{proxy.all?.length}</div>
                    </div>

                    <Button
                      class="btn-circle btn-sm"
                      disabled={latencyTestingMap()[proxy.name]}
                      onClick={(e) => onLatencyTestClick(e, proxy.name)}
                    >
                      <IconBrandSpeedtest
                        class={twMerge(
                          latencyTestingMap()[proxy.name] &&
                            'animate-pulse text-success',
                        )}
                      />
                    </Button>
                  </div>

                  <div class="text-sm text-slate-500">
                    {proxy.type} {proxy.now?.length > 0 && ` :: ${proxy.now}`}
                  </div>

                  <Show when={!collapsedMap()[proxy.name]}>
                    <ProxyNodePreview
                      proxyNameList={sortedProxyNames}
                      now={proxy.now}
                    />
                  </Show>
                </>
              )

              const content = (
                <ProxyCardGroups
                  proxyNames={sortedProxyNames}
                  now={proxy.now}
                  onClick={(name) => {
                    void onProxyNodeClick(proxy, name)
                  }}
                />
              )

              return (
                <Collapse
                  isOpen={collapsedMap()[proxy.name]}
                  title={title}
                  content={content}
                  onCollapse={(val) => setCollapsedMap(proxy.name, val)}
                />
              )
            })}
          />
        </Show>
      </div>

      <ProxiesSettingsModal />
    </div>
  )
}