import React, { useState } from "react";

import { ProgressIndicator, Header2, Button, IconArrow, InputButtonWithIcon, Label, Input, CenteredContainer, SpaceBetweenContainer, Spacer, TextAlignWrapper, GlobalStyle } from "@intended/intended-ui";

const YouPage = () => {
  const calculateUrl = () => {
    const linkId = sessionStorage.getItem("link_id");
    const keyHex = sessionStorage.getItem("key_hex");
    const ivHex = sessionStorage.getItem("iv_hex");

    return `${window.location.origin}/just/for/you/${linkId}#${keyHex}.${ivHex}`;
  };

  const [url, _setUrl] = useState(calculateUrl());

  const copyUrl = async () => {
    try { 
      navigator.clipboard.writeText(url);
    } catch (err: any) {
      alert("Could not copy url to clipboard.");
    }
  }

  return (
    <React.StrictMode>
      <GlobalStyle />
      <CenteredContainer fullscreen>
        <CenteredContainer>
          <ProgressIndicator currentProgress={3} />
          <Header2>Share the secret</Header2>
          <SpaceBetweenContainer>
            <Label htmlFor="shareLink">Secret message url</Label>
            <Label htmlFor="shareLink">
              Share this link with the intended recepient
            </Label>
          </SpaceBetweenContainer>
          <InputButtonWithIcon
            id="shareLink"
            onClick={copyUrl}
            value={url}
            variant="copy"
          />
          <Spacer space="2rem" />
          <TextAlignWrapper align="left">
            <Label htmlFor="encodedSecret">
              This is what your message looks like on our server. Pretty secure
              looking eh?:
            </Label>
          </TextAlignWrapper>
          <Input
            variant="disabled-light"
            id="encodedSecret"
            value={url}
          />
          <Spacer space="3rem" />
          <SpaceBetweenContainer>
            <Button variant="secondary" onClick={() => window.location.href = "/just/for"}>
              <IconArrow arrowDirection="left" />
            </Button>
            <Button onClick={() => {
              sessionStorage.clear();
              window.location.href = "/just";
            }}>Create Another Secret</Button>
          </SpaceBetweenContainer>
        </CenteredContainer>
      </CenteredContainer>
    </React.StrictMode>
  );
};

export default YouPage;