import { Controller } from '@hotwired/stimulus';

/*
* The following line makes this controller "lazy": it won't be downloaded until needed
* See https://github.com/symfony/stimulus-bridge#lazy-controllers
*/
/* stimulusFetch: 'lazy' */
export default class extends Controller {
    static values = {
        title: String,
        tmdbId: String,
        imdbId: String,
        season: String,
        episode: String,
        active: Boolean,
    };

    static targets = ['list', 'count', 'episodeSelector']
    static outlets = ['loading-icon']

    options = []
    optionsLoaded = false

    async connect() {
        await this.setOptions();
    }

    async setOptions() {
        if (true === this.activeValue) {
            await fetch(`/torrentio/tvshows/${this.tmdbIdValue}/${this.imdbIdValue}/${this.seasonValue}/${this.episodeValue}`)
                .then(res => res.text())
                .then(response => {
                    this.element.innerHTML = response;
                    this.options = this.element.querySelectorAll('tbody tr');
                    if (this.options.length > 0) {
                        this.options.forEach((option) => option.querySelector('.download-btn').dataset['title'] = this.titleValue);
                        this.options[0].querySelector('input[type="checkbox"]').checked = true;
                    } else {
                        this.episodeSelectorTarget.disabled = true;
                    }
                    this.optionsLoaded = true;
                    this.loadingIconOutlet.increaseCount();
                });
        }
    }

    async setActive() {
        this.activeValue = true;
        this.element.classList.remove('hidden');
        if (false === this.optionsLoaded) {
            await this.setOptions();
        }
    }

    setInActive() {
        this.activeValue = false;
        this.episodeSelectorTarget.checked = false;
        this.element.classList.add('hidden');
    }

    isActive() {
        return this.activeValue;
    }

    isSelected() {
        return this.episodeSelectorTarget.checked;
    }

    selectEpisodeForDownload() {
        if (true === this.isActive() && this.episodeSelectorTarget.disabled === false) {
            this.episodeSelectorTarget.checked = !this.episodeSelectorTarget.checked;
        }
    }

    toggleList() {
        this.listTarget.classList.toggle('hidden');
    }

    download() {
        this.options.forEach(option => {
            const optionSelector = option.querySelector('input[type="checkbox"]');
            if (true === optionSelector.checked) {
                const downloadBtn = option.querySelector('button.download-btn');
                const downloadBtnController = this.application.getControllerForElementAndIdentifier(downloadBtn, 'download-button');
                downloadBtnController.download();
                optionSelector.checked = false;
                this.episodeSelectorTarget.checked = false;
            }
        })
    }
}