<script lang="ts">
  import type {ClientOptions} from "@pomade/core"
  import type {Profile} from "@welshman/util"
  import {makeProfile, makeSecret, RELAYS, MESSAGING_RELAYS, makeEvent} from "@welshman/util"
  import {loginWithNip01, publishThunk} from "@welshman/app"
  import Key from "@assets/icons/key-minimalistic.svg?dataurl"
  import Letter from "@assets/icons/letter.svg?dataurl"
  import {getKey, setKey} from "@lib/implicit"
  import Icon from "@lib/components/Icon.svelte"
  import Button from "@lib/components/Button.svelte"
  import Modal from "@lib/components/Modal.svelte"
  import ModalBody from "@lib/components/ModalBody.svelte"
  import LogIn from "@app/components/LogIn.svelte"
  import InfoNostr from "@app/components/InfoNostr.svelte"
  import SignUpKey from "@app/components/SignUpKey.svelte"
  import SignUpEmail from "@app/components/SignUpEmail.svelte"
  import SignUpProfile from "@app/components/SignUpProfile.svelte"
  import SignUpComplete from "@app/components/SignUpComplete.svelte"
  import {initProfile} from "@app/core/commands"
  import {
    POMADE_SIGNERS,
    PLATFORM_NAME,
    INDEXER_RELAYS,
    DEFAULT_RELAYS,
    DEFAULT_MESSAGING_RELAYS,
  } from "@app/core/state"
  import {setChecked} from "@app/util/notifications"
  import {loginWithPomade} from "@app/util/pomade"
  import {pushModal, clearModals} from "@app/util/modal"

  setKey("signup.email", "")
  setKey("signup.secret", makeSecret())
  setKey("signup.profile", makeProfile())
  setKey("signup.clientOptions", undefined)

  const hasPomade = POMADE_SIGNERS.length >= 3

  const login = () => pushModal(LogIn)

  const completeSignup = () => {
    // Add default outbox/inbox relays
    publishThunk({
      event: makeEvent(RELAYS, {tags: DEFAULT_RELAYS.map(url => ["r", url])}),
      relays: [...INDEXER_RELAYS, ...DEFAULT_RELAYS],
    })

    // Add default messaging relays
    publishThunk({
      event: makeEvent(MESSAGING_RELAYS, {tags: DEFAULT_MESSAGING_RELAYS.map(url => ["r", url])}),
      relays: DEFAULT_RELAYS,
    })

    // Save the user's profile
    initProfile(getKey<Profile>("signup.profile")!)

    // Don't show any notifications for old content
    setChecked("*")

    // Go to the dashboard
    clearModals()
  }

  const flows = {
    email: {
      start: () => pushModal(SignUpEmail, {next: flows.email.profile}),
      profile: () => pushModal(SignUpProfile, {next: flows.email.complete}),
      complete: () => pushModal(SignUpComplete, {next: flows.email.finalize}),
      finalize: () => {
        const email = getKey<string>("signup.email")!
        const clientOptions = getKey<ClientOptions>("signup.clientOptions")!

        loginWithPomade(clientOptions, email)
        completeSignup()
      },
    },
    nostr: {
      start: () => pushModal(SignUpProfile, {next: flows.nostr.key}),
      key: () => pushModal(SignUpKey, {next: flows.nostr.complete}),
      complete: () => pushModal(SignUpComplete, {next: flows.nostr.finalize}),
      finalize: () => {
        const secret = getKey<string>("signup.secret")!

        loginWithNip01(secret)
        completeSignup()
      },
    },
  }
</script>

<Modal>
  <ModalBody>
    <h1 class="heading">Sign up with Nostr</h1>
    <p class="m-auto max-w-sm text-center">
      {PLATFORM_NAME} is built using the
      <Button class="link" onclick={() => pushModal(InfoNostr)}>nostr protocol</Button>, which gives
      users control over their digital identity using <strong>cryptographic key pairs</strong>.
    </p>
    {#if hasPomade}
      <Button onclick={flows.email.start} class="btn btn-primary">
        <Icon icon={Letter} />
        Sign up with email
      </Button>
    {/if}
    <Button onclick={flows.nostr.start} class="btn {hasPomade ? 'btn-neutral' : 'btn-primary'}">
      <Icon icon={Key} />
      Generate a key
    </Button>
    <div class="text-sm">
      Already have an account?
      <Button class="link" onclick={login}>Log in instead</Button>
    </div>
  </ModalBody>
</Modal>
