var query;
var variables = {
    type: "ANIME",
    page: 1,
    perPage: 50
}
var request;

var url = 'https://graphql.anilist.co'
var options = {
    method: 'POST',
    headers: {
        'Content-Type': 'application/json',
        'Accept': 'application/json'
    },
    body: JSON.stringify({
        query: query,
        variables: variables
    })
}

function search() {
    let search = document.querySelector("#search").value
    if (search == "") {
        alRequest()
    } else {
        alRequest(search)
    }
}

function alRequest(a) {
    if (a == undefined) {
        variables.sort = "TRENDING_DESC"
        delete variables.search
        query = `
        query ($page: Int, $perPage: Int, $sort: [MediaSort], $type: MediaType) {
            Page (page: $page, perPage: $perPage) {
                pageInfo {
                    total
                    currentPage
                    lastPage
                    hasNextPage
                    perPage
                }
                media(type: $type, sort: $sort) {
                    id
                    title {
                        romaji
                        english
                        native
                    }
                    description(
                        asHtml: true
                    )
                    season
                    seasonYear
                    format
                    status
                    episodes
                    duration
                    averageScore
                    genres
                    coverImage {
                        extraLarge
                        medium
                    }
                    bannerImage
                    synonyms
                    nextAiringEpisode {
                        timeUntilAiring
                        episode
                    }
                }
            }
        }
        `
    } else {
        variables.search = a
        delete variables.sort
        query = `
        query ($page: Int, $perPage: Int, $search: String, $type: MediaType) {
            Page (page: $page, perPage: $perPage) {
                pageInfo {
                    total
                    currentPage
                    lastPage
                    hasNextPage
                    perPage
                }
                media (type: $type, search: $search) {
                    id
                    title {
                        romaji
                        english
                        native
                    }
                    description(
                        asHtml: true
                    )
                    season
                    seasonYear
                    format
                    status
                    episodes
                    duration
                    averageScore
                    genres
                    coverImage {
                        extraLarge
                        medium
                    }
                    bannerImage
                    synonyms
                    nextAiringEpisode {
                        timeUntilAiring
                        episode
                    }
                }
            }
        }
        `
    }
    options.body = JSON.stringify({
        query: query,
        variables: variables
    })
    fetch(url, options).then((handleResponse))
        .then(handleData)
        .catch((error) => console.error(error));

    function handleResponse(response) {
        return response.json().then(function (json) {
            return response.ok ? json : Promise.reject(json);
        });
    }
}

function handleData(data) {
    request = data
    console.log(request);
    let frag = document.createDocumentFragment()
    let hasBegun = true
    try {
        data.data.Page.media.forEach((media, index) => {
            let template = document.createElement("div")
            template.classList.add("card", "m-0", "p-0")
            template.innerHTML = `

            <div class="row h-full">
                <div class="col-4">
                    <img src="${media.coverImage.extraLarge}"
                        class="cover-img w-full h-full">
                </div>
                <div class="col-8 h-full card-grid">
                    <div class="px-15 py-10">
                        <h5 class="m-0 text-capitalize font-weight-bold">${!!media.title.english ? media.title.english : media.title.romaji}</h5>
                        <p class="text-muted m-0 text-capitalize details">
                        ${(!!media.format ? (media.format == "TV" ? "<span>" + media.format + " Show" : "<span>" + media.format) : "") + "</span>"}
                        ${!!media.episodes ? "<span>" + media.episodes + " Episodes</span>" : (!!media.duration ? "<span>" + media.duration + " Minutes</span>" : "")}
                        ${!!media.status ? "<span>" + media.status.toLowerCase() + "</span>" : ""}
                        ${"<span>" + (!!media.season ? media.season.toLowerCase() + " " : "") + (!!media.seasonYear ? media.seasonYear : "") + "</span>"}
                        </p>
                    </div>
                    <div class="overflow-y-scroll px-15 py-10 bg-very-dark card-desc">
                        ${media.description}
                    </div>
                    <div class="px-15 pb-10 pt-5">
                        ${media.genres.map(key => (`<span class="badge badge-pill badge-primary mt-5">${key}</span> `)).join('')}
                    </div>
                </div>
            </div>

            `
            template.onclick = function () {
                viewAnime(request.data.Page.media[index])
            }
            frag.appendChild(template)
        })
    } catch (e) {
        console.error(e)
    }
    if (hasBegun) {
        document.querySelector(".gallery").textContent = '';
        hasBegun = false;
    }
    document.querySelector(".gallery").appendChild(frag)
}

let detailsfrag = document.createDocumentFragment()
let details = {
    averageScore: "Average Score",
    duration: "Episode Duration",
    episodes: "Episodes",
    format: "Format",
    genres: "Genres",
    season: "Season",
    seasonYear: "Year",
    status: "Status",
    english: "English",
    romaji: "Romaji",
    native: "Native",
    synonyms: "Synonyms"
}

function viewAnime(media) {
    halfmoon.toggleModal("view")
    document.querySelector(".view .banner img").src = ""
    document.querySelector(".view .banner img").src = media.bannerImage
    document.querySelector(".view .contain-img").src = media.coverImage.extraLarge
    document.querySelector(".view .title").textContent = !!media.title.english ? media.title.english : media.title.romaji
    document.querySelector(".view .desc").innerHTML = !!media.description ? media.description : ""
    document.querySelector(".view .details").innerHTML = ""
    document.querySelector(".view #play").onclick = function () { nyaaSearch(media, document.querySelector(".view #ep").value); halfmoon.toggleModal("view") }
    detailsCreator(media)
    document.querySelector(".view .details").appendChild(detailsfrag)
}

function detailsCreator(entry) {
    if (entry != undefined) {
        Object.entries(entry).forEach(value => {
            let template = document.createElement("p")
            if (typeof value[1] == 'object') {
                if (Array.isArray(value[1])) {
                    if (details[value[0]] && value[1].length > 0) {
                        template.innerHTML = `<span class="font-weight-bold">${details[value[0]]}</span><br><span class="text-muted">${value[1].map(key => (key)).join(', ')}</span>`
                        detailsfrag.appendChild(template)
                    }
                } else {
                    detailsCreator(value[1])
                }
            } else {
                if (details[value[0]]) {
                    template.innerHTML = `<span class="font-weight-bold">${details[value[0]]}</span><br><span class="text-muted">${value[1].toString()}</span>`
                    detailsfrag.appendChild(template)
                }
            }
        })
    }
}

const DOMPARSER = new DOMParser().parseFromString.bind(new DOMParser())
const searchTitle = document.querySelector("#title")
const searchEpisode = document.querySelector("#ep")

var selected;

async function nyaaSearch(media, episode) {
    if (parseInt(episode) < 10) {
        episode = `0${episode}`
    }

    let titles = Object.values(media.title).concat(media.synonyms).filter(name => name != null)
    let table = document.querySelector("tbody.results")
    let results = document.createDocumentFragment()

    for (let title of titles) {
        if (results.children.length == 0) {
            title = title.replace(/ /g, "+")
            let url = new URL(`https://nyaa.si/?page=rss&c=1_2&f=2&s=seeders&o=desc&q=${title}"+${episode}+"`)
            results = await rssFetch(url)
        }
    }

    if (results.children.length == 0) {
        halfmoon.initStickyAlert({
            content: `Couldn't find torrent for ${!!media.title.english ? media.title.english : media.title.romaji} Episode ${parseInt(episode)}! Try specifying a torrent manually.`,
            title: "Search Failed",
            alertType: "alert-danger",
            fillType: ""
        })
    } else {
        table.textContent = ""
        table.appendChild(results)
        halfmoon.toggleModal("tsearch")
        selected = [media, parseInt(episode)]
    }
}

async function rssFetch(url) {
    let frag = document.createDocumentFragment()

    res = await fetch(url)
    await res.text().then((xmlTxt) => {
        try {
            let doc = DOMPARSER(xmlTxt, "text/xml")
            doc.querySelectorAll("item").forEach((item, index) => {
                let i = item.querySelector.bind(item)
                let template = document.createElement("tr")
                template.innerHTML += `
                            <th>${(index + 1)}</th>
                            <td>${i("title").textContent}</td>
                            <td>${i("size").textContent}</td>
                            <td>${i("seeders").textContent}</td>
                            <td>${i("leechers").textContent}</td>
                            <td>${i("downloads").textContent}</td>
                            <td onclick="addTorrent('${i('infoHash').textContent}')" class="pointer">Play</td>`
                frag.appendChild(template)
            })
        } catch (e) {
            console.error(e)
        }
    })

    return frag
}

alRequest()

search = /((?:\[[^\]]*\])*)?\s*((?:[^\d\[\.](?!S\d))*)?\s*((?:S\d+[^\w\[]*E?)?[\d\-]*)\s*(.*)?/