<template>
  <div class="grow flex items-center justify-center py-12 px-4 sm:px-6 lg:px-8">
    <div class="max-w-md w-full space-y-8 pb-20">
      <div class="flex flex-col items-center gap-4">
        <AppLogo />
        <h2 class="text-center text-4xl font-extrabold text-gray-900">Einrichtung</h2>
      </div>

      <div v-if="verification == 'loading'" class="flex flex-col gap-2 items-center">
        <p class="w-fit">Einladungslink wird verifiziert</p>
        <Spinner class="my-auto" />
      </div>
      <div v-else-if="verification == 'failed'" class="flex flex-col gap-2 items-center">
        <p class="w-fit">Einladungslink nicht gültig - Melde dich bei einem Admin.</p>
      </div>
      <form v-else class="flex flex-col gap-2" @submit.prevent="invite">
        <div class="w-full flex flex-row gap-2 justify-center">
          <p
            class="w-1/2 p-0.5 pl-0 rounded-lg py-2.5 text-sm text-center font-medium leading-5 outline-hidden cursor-pointer"
            :class="
              tab == 'totp' ? 'bg-red-200 shadow-sm border-b-2 border-primary rounded-b-none' : ' hover:bg-red-200'
            "
            @click="tab = 'totp'"
          >
            TOTP
          </p>
          <p
            class="w-1/2 p-0.5 rounded-lg py-2.5 text-sm text-center font-medium leading-5 outline-hidden cursor-pointer"
            :class="
              tab == 'password' ? 'bg-red-200 shadow-sm border-b-2 border-primary rounded-b-none' : 'hover:bg-red-200'
            "
            @click="tab = 'password'"
          >
            Passwort
          </p>
        </div>
        <p class="text-center">Dein Nutzername: {{ username }}</p>

        <div v-if="tab == 'totp'" class="flex flex-col gap-2">
          <img :src="image" alt="totp" class="w-56 h-56 self-center" />

          <TextCopy :copyText="otp" />

          <div class="-space-y-px">
            <div>
              <input id="totp" name="totp" type="text" required placeholder="TOTP" />
            </div>
          </div>
        </div>
        <div v-else>
          <input
            id="password"
            name="password"
            type="password"
            required
            placeholder="Passwort"
            class="rounded-b-none!"
            autocomplete="new-password"
            :class="notMatching ? 'border-red-600!' : ''"
          />
          <input
            id="password_rep"
            name="password_rep"
            type="password"
            required
            placeholder="Passwort wiederholen"
            class="rounded-t-none!"
            autocomplete="new-password"
            :class="notMatching ? 'border-red-600!' : ''"
          />
          <p v-if="notMatching">Passwörter stimmen nicht überein</p>
        </div>

        <div class="flex flex-row gap-2">
          <button type="submit" primary :disabled="inviteStatus == 'loading' || inviteStatus == 'success'">
            Einladung fertigstellen
          </button>
          <Spinner v-if="inviteStatus == 'loading'" class="my-auto" />
          <SuccessCheckmark v-else-if="inviteStatus == 'success'" />
          <FailureXMark v-else-if="inviteStatus == 'failed'" />
        </div>
        <p v-if="inviteError" class="text-center">{{ inviteError }}</p>
      </form>

      <FormBottomBar />
    </div>
  </div>
</template>

<script setup lang="ts">
import { defineComponent } from "vue";
import Spinner from "@/components/Spinner.vue";
import SuccessCheckmark from "@/components/SuccessCheckmark.vue";
import FailureXMark from "@/components/FailureXMark.vue";
import FormBottomBar from "@/components/FormBottomBar.vue";
import TextCopy from "@/components/TextCopy.vue";
import AppLogo from "@/components/AppLogo.vue";
import { hashString } from "@/helpers/crypto";
</script>

<script lang="ts">
export default defineComponent({
  props: {
    token: String,
    mail: String,
  },
  data() {
    return {
      tab: "totp",
      verification: "loading" as "success" | "loading" | "failed",
      image: undefined as undefined | string,
      otp: undefined as undefined | string,
      username: "" as string,
      inviteStatus: undefined as undefined | "loading" | "success" | "failed",
      inviteError: "" as string,
      notMatching: false as boolean,
    };
  },
  mounted() {
    this.$http
      .post(`/invite/verify`, {
        token: this.token,
        mail: this.mail,
      })
      .then((result) => {
        setTimeout(() => {
          this.verification = "success";
          this.image = result.data.dataUrl;
          this.otp = result.data.otp;
          this.username = result.data.username;
        }, 1000);
      })
      .catch((err) => {
        setTimeout(() => {
          this.verification = "failed";
        }, 1000);
      });
  },
  methods: {
    async invite(e: any) {
      let secret = "";
      if (this.tab == "totp") secret = this.totp(e);
      else secret = await this.password(e);

      if (secret == "") return;

      this.inviteStatus = "loading";
      this.inviteError = "";
      this.$http
        .put(`/invite`, {
          token: this.token,
          mail: this.mail,
          secret: secret,
          routine: this.tab,
        })
        .then((result) => {
          this.inviteStatus = "success";
          localStorage.setItem("accessToken", result.data.accessToken);
          localStorage.setItem("refreshToken", result.data.refreshToken);
          localStorage.setItem("routine", this.tab);
          localStorage.setItem("username", this.username);
          setTimeout(() => {
            this.$router.push(`/admin`);
          }, 1000);
        })
        .catch((err) => {
          this.inviteStatus = "failed";
          this.inviteError = err.response.data;
        });
    },
    totp(e: any) {
      let formData = e.target.elements;
      return formData.totp.value;
    },
    async password(e: any) {
      let formData = e.target.elements;

      let new_pw = await hashString(formData.password.value);
      let new_rep = await hashString(formData.password_rep.value);
      if (new_pw != new_rep) {
        this.notMatching = true;
        return "";
      }
      this.notMatching = false;

      return await hashString(formData.password.value);
    },
  },
});
</script>
