import { PermissionAction } from '@supabase/shared-types/out/constants'
import { Key } from 'lucide-react'
import { useMemo } from 'react'

import { useParams } from 'common'
import type { showApiKey } from 'components/interfaces/Docs/Docs.types'
import { useAPIKeysQuery } from 'data/api-keys/api-keys-query'
import { useAsyncCheckPermissions } from 'hooks/misc/useCheckPermissions'
import {
  Button,
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuGroup,
  DropdownMenuLabel,
  DropdownMenuRadioGroup,
  DropdownMenuRadioItem,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from 'ui'

const DEFAULT_KEY = { name: 'hide', key: 'SUPABASE_KEY' }

interface LangSelectorProps {
  selectedLang: string
  selectedApiKey: showApiKey
  setSelectedLang: (selectedLang: string) => void
  setSelectedApiKey: (showApiKey: showApiKey) => void
}

export const LangSelector = ({
  selectedLang,
  selectedApiKey,
  setSelectedLang,
  setSelectedApiKey,
}: LangSelectorProps) => {
  const { ref: projectRef } = useParams()

  const { can: canReadAPIKeys } = useAsyncCheckPermissions(PermissionAction.SECRETS_READ, '*')
  const { data: apiKeys = [], isPending: isLoadingAPIKeys } = useAPIKeysQuery(
    {
      projectRef,
      reveal: false,
    },
    { enabled: canReadAPIKeys }
  )

  const legacyKeys = useMemo(() => apiKeys.filter(({ type }) => type === 'legacy'), [apiKeys])
  const publishableKeys = useMemo(
    () => apiKeys.filter(({ type }) => type === 'publishable'),
    [apiKeys]
  )
  const secretKeys = useMemo(() => apiKeys.filter(({ type }) => type === 'secret'), [apiKeys])

  return (
    <div className="p-1 w-1/2 ml-auto">
      <div className="z-0 flex justify-end">
        <button
          type="button"
          onClick={() => setSelectedLang('js')}
          className={`${
            selectedLang == 'js'
              ? 'bg-surface-100 font-medium text-foreground'
              : 'bg-alternative text-foreground-lighter'
          } relative inline-flex items-center border-r border-background p-1 px-2 text-sm transition hover:text-foreground focus:outline-none`}
        >
          JavaScript
        </button>
        <button
          type="button"
          onClick={() => setSelectedLang('bash')}
          className={`${
            selectedLang == 'bash'
              ? 'bg-surface-100 font-medium text-foreground'
              : 'bg-alternative text-foreground-lighter'
          } relative inline-flex items-center border-r border-background p-1 px-2 text-sm transition hover:text-foreground focus:outline-none`}
        >
          Bash
        </button>
        {selectedLang == 'bash' &&
          canReadAPIKeys &&
          !isLoadingAPIKeys &&
          apiKeys &&
          apiKeys.length > 0 && (
            <div className="flex gap-x-1">
              <div className="flex items-center gap-2 p-1 pl-2 text-xs text-foreground-lighter">
                <Key size={12} strokeWidth={1.5} />
                <span>Project API key:</span>
              </div>
              <DropdownMenu>
                <DropdownMenuTrigger asChild>
                  <Button type="outline">
                    {selectedApiKey.name === 'hide' ? 'Hide keys' : selectedApiKey.name}
                  </Button>
                </DropdownMenuTrigger>
                <DropdownMenuContent align="end" side="bottom">
                  <DropdownMenuRadioGroup value={selectedApiKey.key}>
                    <DropdownMenuRadioItem
                      key="hide"
                      value={DEFAULT_KEY.key}
                      onClick={() => setSelectedApiKey(DEFAULT_KEY)}
                    >
                      Hide keys
                    </DropdownMenuRadioItem>

                    {publishableKeys.length > 0 && (
                      <>
                        <DropdownMenuSeparator />
                        <DropdownMenuLabel>Publishable keys</DropdownMenuLabel>
                        {publishableKeys.map((key) => {
                          const value = key.api_key
                          return (
                            <DropdownMenuRadioItem
                              key={key.id}
                              value={value}
                              onClick={() =>
                                setSelectedApiKey({
                                  name: `Publishable key: ${key.name}`,
                                  key: value,
                                })
                              }
                            >
                              {key.name}
                            </DropdownMenuRadioItem>
                          )
                        })}
                      </>
                    )}

                    {secretKeys.length > 0 && (
                      <>
                        <DropdownMenuSeparator />
                        <DropdownMenuLabel>Secret keys</DropdownMenuLabel>
                        {secretKeys.map((key) => {
                          const value = key.prefix + '...'
                          return (
                            <DropdownMenuRadioItem
                              key={key.id}
                              value={value}
                              onClick={() =>
                                setSelectedApiKey({ name: `Secret key: ${key.name}`, key: value })
                              }
                            >
                              {key.name}
                            </DropdownMenuRadioItem>
                          )
                        })}
                      </>
                    )}

                    <DropdownMenuSeparator />

                    <DropdownMenuGroup>
                      <DropdownMenuLabel>JWT-based legacy keys</DropdownMenuLabel>
                      {legacyKeys.map((key) => {
                        const value = key.api_key
                        return (
                          <DropdownMenuRadioItem
                            key={key.id}
                            value={value}
                            onClick={() =>
                              setSelectedApiKey({ name: `Legacy key: ${key.name}`, key: value })
                            }
                          >
                            {key.name}
                          </DropdownMenuRadioItem>
                        )
                      })}
                    </DropdownMenuGroup>
                  </DropdownMenuRadioGroup>
                </DropdownMenuContent>
              </DropdownMenu>
            </div>
          )}
      </div>
    </div>
  )
}