{extends "../@layout.xml"}

{block title}
    {_upload_audio}
{/block}

{block header}
    {if !$playlist}
        {if !is_null($group)}
            <a href="{$group->getURL()}">{$group->getCanonicalName()}</a>
            »
            <a href="/audios-{$group->getId()}">{_audios}</a>
        {else}
            <a href="{$thisUser->getURL()}">{$thisUser->getCanonicalName()}</a>
            »
            <a href="/audios{$thisUser->getId()}">{_audios}</a>
        {/if}
    {else}
        <a href="{$owner->getURL()}">{$owner->getCanonicalName()}</a>
        »
        <a href="/playlists{$ownerId}">{_playlists}</a>
        »
        <a href="/playlist{$playlist->getPrettyId()}">{_playlist}</a>
    {/if}

    »
    {_upload_audio}
{/block}

{block content}
    <div class="container_gray" style="border: 0;margin-top: -10px;">
        <div id="upload_container">
            <div id="firstStep">
                <h4>{_select_audio}</h4><br/>
                <b><a href="javascript:void(0)">{_limits}</a></b>
                <ul>
                    <li>{tr("audio_requirements", 1, 30, 25)}</li>
                    <li>{tr("audio_requirements_2")}</li>
                </ul>
                <div id="audio_upload">
                    <form enctype="multipart/form-data" method="POST">
                        <input type="hidden" name="name" />
                        <input type="hidden" name="performer" />
                        <input type="hidden" name="lyrics" />
                        <input type="hidden" name="genre" />
                        <input type="hidden" name="explicit" />
                        <input type="hidden" name="unlisted" />
                        
                        <input type="hidden" name="hash" value="{$csrfToken}" />
                        <input id="audio_input" type="file" name="blob" accept="audio/*" style="display:none" />
                        <input value="{_upload_button}" class="button" type="button" onclick="document.querySelector('#audio_input').click()">
                    </form>
                </div><br/>
            
                <span>{_you_can_also_add_audio_using} <b><a href="/search?section=audios">{_search_audio_inst}</a></b>.<span>
            </div>

            <div id="lastStep" style="display:none;">
                <table cellspacing="7" cellpadding="0" border="0" align="center">
                    <tbody>
                        <tr>
                            <td width="120" valign="top"><span class="nobold">{_performer}:</span></td>
                            <td><input name="performer" type="text" autocomplete="off" maxlength="80" /></td>
                        </tr>
                        <tr>
                            <td width="120" valign="top"><span class="nobold">{_audio_name}:</span></td>
                            <td><input type="text" name="name" autocomplete="off" maxlength="80" /></td>
                        </tr>
                        <tr>
                            <td width="120" valign="top"><span class="nobold">{_genre}:</span></td>
                            <td>
                                <select name="genre">
                                    <option n:foreach='\openvk\Web\Models\Entities\Audio::genres as $genre' n:attr="selected: $genre == 'Other'" value="{$genre}">
                                        {$genre}
                                    </option>
                                </select>
                            </td>
                        </tr>
                        <tr>
                            <td width="120" valign="top"><span class="nobold">{_lyrics}:</span></td>
                            <td><textarea name="lyrics" style="resize: vertical;max-height: 300px;"></textarea></td>
                        </tr>
                        <tr>
                            <td width="120" valign="top"></td>
                            <td>
                                <label style='display:block'><input type="checkbox" name="explicit">{_audios_explicit}</label>
                                <label><input type="checkbox" name="unlisted">{_audios_unlisted}</label>
                            </td>
                        </tr>
                        <tr>
                            <td width="120" valign="top"></td>
                            <td>
                                <input class="button" type="button" id="uploadMuziko" value="{_upload_button}">
                                <input class="button" type="button" id="backToUpload" value="{_select_another_file}">
                            </td>
                        </tr>
                    </tbody>
                </table>
            </div>
        </div>
    </div>
    
    <script type="module">
        import * as id3 from "/assets/packages/static/openvk/js/node_modules/id3js/lib/id3.js";
        
        u("#audio_input").on("change", async function(e) {
            let files = e.currentTarget.files
            if(files.length <= 0)
                return;
            
            document.querySelector("#firstStep").style.display = "none"
            document.querySelector("#lastStep").style.display = "block"

            function fallback() {
                console.info('Tags not found, setting default values.')

                document.querySelector("#lastStep input[name=name]").value = files[0].name
                document.querySelector("#lastStep select[name=genre]").value = "Other"
                document.querySelector("#lastStep input[name=performer]").value = tr("track_unknown");
            }
            
            let tags = null

            try {
                tags = await id3.fromFile(files[0]);
            } catch(e) {
                console.error(e)
            }
            
            console.log(tags)
            if(tags != null) {
                console.log("ID" + tags.kind + " detected, setting values...");
                
                if(tags.title != null)
                    document.querySelector("#lastStep input[name=name]").value = tags.title;
                else
                    document.querySelector("#lastStep input[name=name]").value = files[0].name
                
                if(tags.artist != null)
                    document.querySelector("#lastStep input[name=performer]").value = tags.artist;
                else
                    document.querySelector("#lastStep input[name=performer]").value = tr("track_unknown");
                
                if(tags.genre != null) {
                    // if there are more than one genre
                    if(tags.genre.split(', ').length > 1) {
                        const genres = tags.genre.split(', ')

                        genres.forEach(genre => {
                            if(document.querySelector("#lastStep select[name=genre] > option[value='" + genre + "']") != null) {
                                document.querySelector("#lastStep select[name=genre]").value = genre;
                            }
                        })
                    } else {
                        if(document.querySelector("#lastStep select[name=genre] > option[value='" + tags.genre + "']") != null) {
                            document.querySelector("#lastStep select[name=genre]").value = tags.genre;
                        } else {
                            console.warn("Unknown genre: " + tags.genre);
                            document.querySelector("#lastStep select[name=genre]").value = "Other"
                        }
                    }
                } else {
                    document.querySelector("#lastStep select[name=genre]").value = "Other"
                }

                if(tags.comments != null)
                    document.querySelector("#lastStep textarea[name=lyrics]").value = tags.comments
            } else {
                fallback()
            }
        });

        u("#backToUpload").on("click", (e) => {
            document.querySelector("#firstStep").style.display = "block"
            document.querySelector("#lastStep").style.display = "none"

            document.querySelector("#lastStep input[name=name]").value = ""
            document.querySelector("#lastStep input[name=performer]").value = ""
            document.querySelector("#lastStep select[name=genre]").value = ""
            document.querySelector("#lastStep textarea[name=lyrics]").value = ""
            document.querySelector("#audio_input").value = ""
        })

        u("#uploadMuziko").on("click", (e) => {
            var name_   = document.querySelector("#audio_upload input[name=name]");
            var perf_   = document.querySelector("#audio_upload input[name=performer]");
            var genre_  = document.querySelector("#audio_upload input[name=genre]");
            var lyrics_ = document.querySelector("#audio_upload input[name=lyrics]");
            var explicit_ = document.querySelector("#audio_upload input[name=explicit]");
            var unlisted_ = document.querySelector("#audio_upload input[name=unlisted]");

            name_.value = document.querySelector("#lastStep input[name=name]").value
            perf_.value = document.querySelector("#lastStep input[name=performer]").value
            genre_.value = document.querySelector("#lastStep select[name=genre]").value
            lyrics_.value = document.querySelector("#lastStep textarea[name=lyrics]").value
            explicit_.value = document.querySelector("#lastStep input[name=explicit]").checked ? "on" : "off"
            unlisted_.value = document.querySelector("#lastStep input[name=unlisted]").checked ? "on" : "off"

            $("#audio_upload > form").trigger("submit");
        })

        $(document).on("dragover drop", (e) => {
            e.preventDefault()

            return false;
        })

        $(".container_gray").on("drop", (e) => {
            e.originalEvent.dataTransfer.dropEffect = 'move';
            e.preventDefault()

            let file = e.originalEvent.dataTransfer.files[0]

            if(!file.type.startsWith('audio/')) {
                MessageBox(tr("error"), tr("only_audios_accepted", escapeHtml(file.name)), [tr("ok")], [() => Function.noop])
                return;
            }

            document.getElementById("audio_input").files = e.originalEvent.dataTransfer.files
            u("#audio_input").trigger("change")
        })
        
        $("#audio_upload").on("submit", "form", (e) => {
            e.preventDefault()

            let fd = new FormData(e.currentTarget)
            fd.append("ajax", 1)

            $.ajax({
                type: "POST",
                url: location.href,
                contentType: false,
                processData: false,
                data: fd,
                beforeSend: function() {
                    document.querySelector("#lastStep").classList.add("lagged")
                    document.querySelector("#upload_container").classList.add("uploading")
                },
                success: (response) => {
                    document.querySelector("#lastStep").classList.remove("lagged")
                    document.querySelector("#upload_container").classList.remove("uploading")
                    if(response.success) {
                        u("#backToUpload").trigger("click")
                        NewNotification(tr("success"), tr("audio_successfully_uploaded"), null, () => {
                            window.location.assign(response.redirect_link)
                        })
                    } else {
                        fastError(response.flash.message)
                    }
                }
            })
        })
    </script>
{/block}