import { generateDetails, createTask, longPollTask } from './network.js';
import { cardHTML } from './card-html.js';
import {
  durationTimer,
  updateCardName,
  initialiseCardRotation,
  setOutput,
  screenshotCard,
} from './dom-manipulation.js';

const nameInput = document.querySelector('input[name="name"');
const nameToggle = document.querySelector('button.toggle-name');

let pokeName;
let trainerName;
let useTrainerName = true;
let generating = false;
let mousemoveHandlerForPreviousCard;

const generate = async () => {
  if (generating) {
    return;
  }

  try {
    const scene = document.querySelector('.scene');
    const cardSlot = scene.querySelector('.card-slot');
    const durationDisplay = document.querySelector('.duration');

    scene.removeEventListener('mousemove', mousemoveHandlerForPreviousCard, true);
    cardSlot.innerHTML = '';
    generating = true;
    setOutput('booster', 'generating');

    const details = await generateDetails();
    pokeName = details.name;
    const task = await createTask(details.energy_type);

    document.querySelector('.actions').style.opacity = '1';
    durationDisplay.classList.add('displayed');
    const timer = durationTimer(durationDisplay);
    const timerCleanup = timer().cleanup;

    const completedTask = await longPollTask(task);

    generating = false;
    timerCleanup(completedTask);

    if (completedTask.status === 'failed') {
      setOutput('booster', 'failed');
      throw new Error(`Task failed: ${completedTask.error}`);
    }

    setOutput('booster', 'completed');

    cardSlot.innerHTML = cardHTML(details);
    updateCardName(trainerName, pokeName, useTrainerName);
    document.querySelector('img.picture').src = completedTask.value;

    mousemoveHandlerForPreviousCard = initialiseCardRotation(scene);

    await new Promise((resolve) =>
      setTimeout(resolve, window.matchMedia('(prefers-reduced-motion: reduce)').matches ? 1_500 : 1_000)
    );

    setOutput('card', 'completed');
  } catch (err) {
    generating = false;
    console.error(err);
  }
};

nameInput.addEventListener('input', (e) => {
  trainerName = [...e.target.value].filter((char) => char.match(/[\wÀ-ÿ '".,@&+#!?:/\\()_-]/g)?.length).join('');

  nameInput.value = trainerName;

  updateCardName(trainerName, pokeName, useTrainerName);
});

document.querySelector('form.trainer-name').addEventListener('submit', (e) => {
  e.preventDefault();
  generate();
});

nameToggle.addEventListener('click', () => {
  useTrainerName = !useTrainerName;

  updateCardName(trainerName, pokeName, useTrainerName);

  if (!useTrainerName) {
    nameToggle.classList.add('off');
  } else {
    nameToggle.classList.remove('off');
  }
});

document.querySelector('.booster').addEventListener('click', generate);

document.querySelector('button.generate-new').addEventListener('click', generate);

document.querySelector('button.save').addEventListener('click', async () => {
  const a = document.createElement('a');
  a.href = await screenshotCard();
  a.download = `${updateCardName(trainerName, pokeName, useTrainerName)} - This Pokémon Does Not Exist.png`;
  a.click();
});