{{define "title"}}
    {{if .EditCommentID}}
        Edit Comment
    {{else if .Thread}}
        Reply to Thread
    {{else}}
        New Forum Post
    {{end}}
{{end}}
{{define "content"}}
<div class="container" id="app">
    <section class="hero is-info is-bold">
        <div class="hero-body">
            <div class="container">
                <h1 class="title">
                    {{if .EditCommentID}}
                        Edit comment on: {{or .Thread.Title "Untitled Thread"}}
                    {{else if .Thread}}
                        Reply to: {{or .Thread.Title "Untitled Thread"}}
                    {{else}}
                        Post to: {{.Forum.Title}}
                    {{end}}
                </h1>
                <h2 class="subtitle">
                    /f/{{.Forum.Fragment}}
                </h2>
            </div>
        </div>
    </section>

    <div class="block p-4">
        <div class="columns is-centered">
            <div class="column is-half">

                <div class="card" style="width: 100%; max-width: 640px">
                    <header class="card-header has-background-link">
                        <p class="card-header-title has-text-light">
                            <span class="icon"><i class="fa fa-message"></i></span>
                            {{if .EditCommentID}}
                            Edit Comment
                            {{else if .Thread}}
                            Reply to Thread
                            {{else}}
                            New Thread
                            {{end}}
                        </p>
                    </header>
                    <div class="card-content">

                        {{if and (eq .Request.Method "POST") (ne .Message "")}}
                        <label class="label">Preview:</label>
                        <div class="box content has-background-warning-light">
                            {{ToMarkdown .Message}}
                        </div>
                        {{end}}

                        <form action="/forum/post?to={{.Forum.Fragment}}{{if .Thread}}&thread={{.Thread.ID}}{{end}}{{if .EditCommentID}}&edit={{.EditCommentID}}{{end}}" method="POST" enctype="multipart/form-data">
                            {{InputCSRF}}

                            {{if not .Thread}}
                            <div class="field block">
                                <label for="title" class="label">Title</label>
                                <input type="text" class="input"
                                    name="title" id="title"
                                    placeholder="A title for your post"
                                    value="{{.PostTitle}}"
                                    required>
                                <p class="help">Required.</p>
                            </div>
                            {{end}}

                            <div class="field block">
                                <label for="message" class="label">Message</label>
                                <textarea class="textarea" cols="80" rows="8"
                                    name="message"
                                    id="message"
                                    {{if not .Forum.PermitPhotos}}required{{end}}
                                    placeholder="Message">{{.Message}}</textarea>
                                <p class="help">
                                    Markdown formatting supported.
                                </p>
                            </div>

                            {{if not .EditCommentID}}
                            <div class="field block">
                                <label for="message" class="label">Poll <span class="tag is-success">NEW!</span></label>
                                <div v-if="pollVisible">
                                    <!-- Answer rows -->
                                    <div v-for="(answer, i) in answers"
                                        v-bind:key="i"
                                        class="columns mb-0 is-mobile">
                                        <div class="column pr-0">
                                            <input type="text"
                                                class="input"
                                                v-model="answer.value"
                                                :name="'answer'+i"
                                                :placeholder="`Option ${i+1}`">
                                        </div>
                                        <div class="column pl-2 is-narrow">
                                            <button type="button"
                                                class="button is-danger is-outlined"
                                                @click="removeOption(i)">
                                                <i class="fa fa-trash"></i>
                                            </button>
                                        </div>
                                    </div>

                                    <!-- Add option -->
                                    <div v-if="answers.length < answersLimit">
                                        <button type="button"
                                            class="button is-small is-success is-outlined"
                                            @click="addOption()">
                                            <i class="fa fa-plus mr-3"></i>
                                            Add another option
                                        </button>
                                    </div>

                                    <!-- Settings -->
                                    <div class="columns mt-2 is-mobile">
                                        <div class="column is-narrow">
                                            Poll expires:
                                        </div>
                                        <div class="column">
                                            <div class="select is-small is-fullwidth">
                                                <select v-model="expires"
                                                    name="poll_expires">
                                                    <option :value="0">Never</option>
                                                    <option :value="1">1 Day</option>
                                                    <option :value="2">2 Days</option>
                                                    <option :value="3">3 Days</option>
                                                    <option :value="4">4 Days</option>
                                                    <option :value="5">5 Days</option>
                                                    <option :value="6">6 Days</option>
                                                    <option :value="7">7 Days</option>
                                                </select>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                                <div v-else>
                                    <button type="button"
                                        class="button is-success is-small"
                                        @click="pollVisible = true">Make this a poll</button>
                                </div>
                            </div>
                            {{end}}

                            <!-- Photo attachment widget -->
                            {{if .Forum.PermitPhotos}}
                                <!-- Intent: upload, remove, or replace -->
                                <input type="hidden" name="photo_intent" id="photoIntent">
                                <input type="hidden" name="photo_id" value="{{if .CommentPhoto}}{{.CommentPhoto.ID}}{{end}}">

                                <!-- Drag/Drop Modal -->
                                <div class="modal" id="drop-modal">
                                    <div class="modal-background"></div>
                                    <div class="modal-content">
                                        <div class="box content has-text-centered">
                                            <h1><i class="fa fa-upload mr-2"></i> Drop image to select it for upload</h1>
                                        </div>
                                    </div>
                                </div>

                                <div class="field block">
                                    <label class="label">Photo Attachment</label>
                                    <div class="file has-name is-fullwidth">
                                        <label class="file-label">
                                            <input class="file-input" type="file"
                                                name="file"
                                                id="file"
                                                accept=".jpg,.jpeg,.jpe,.png">
                                            <span class="file-cta">
                                                <span class="file-icon">
                                                    <i class="fas fa-upload"></i>
                                                </span>
                                                <span class="file-label">
                                                    Choose a file…
                                                </span>
                                            </span>
                                            <span class="file-name" id="fileName">
                                                Select a file
                                            </span>
                                        </label>
                                    </div>
                                </div>

                                <div class="box" id="imagePreview" {{if not .CommentPhoto}}style="display: none"{{end}}>
                                    <h3 class="subtitle">
                                        Selected image:
                                        <button type="button" class="button is-danger is-small ml-4" id="removePhoto">
                                            <i class="fa fa-trash"></i>
                                        </button>
                                    </h3>

                                    <!-- Container of img tags for the selected photo preview. -->
                                    <img id="previewImage"{{if .CommentPhoto}} src="{{PhotoURL .CommentPhoto.Filename}}"{{end}}>
                                </div>
                            {{end}}

                            <hr>

                            {{if or (not .Thread) .EditThreadSettings}}
                            <div class="field block">
                                {{if or .CurrentUser.IsAdmin (and .Forum (eq .Forum.OwnerID .CurrentUser.ID))}}
                                <div class="mb-1">
                                    <label class="checkbox">
                                        <input type="checkbox"
                                            name="pinned"
                                            value="true"
                                            {{if .IsPinned}}checked{{end}}>
                                        Pinned to top
                                    </label>
                                </div>
                                {{end}}

                                {{if or .CurrentUser.Explicit .IsExplicit}}
                                <div class="mb-1">
                                    <label class="checkbox">
                                        <input type="checkbox"
                                            name="explicit"
                                            value="true"
                                            {{if .IsExplicit}}checked{{end}}>
                                        Mark as Explicit (NSFW)
                                    </label>
                                </div>
                                {{end}}

                                {{if .CurrentUser.IsAdmin}}
                                <div>
                                    <label class="checkbox has-text-danger">
                                        <input type="checkbox"
                                            name="noreply"
                                            value="true"
                                            {{if .IsNoReply}}checked{{end}}>
                                        No replies allowed <i class="fa fa-gavel ml-1"></i>
                                    </label>
                                </div>
                                {{end}}
                            </div>
                            {{end}}

                            <div class="field has-text-centered">
                                <button type="submit"
                                    name="intent"
                                    value="preview"
                                    class="button is-link">
                                    Preview
                                </button>
                                <button type="submit"
                                    name="intent"
                                    value="submit"
                                    class="button is-success">
                                    Post Message
                                </button>
                            </div>
                        </form>

                    </div>
                </div>

            </div>
        </div>
    </div>

    <!-- Script for photo upload on photo boards -->
    {{if .Forum.PermitPhotos}}
    <script type="text/javascript">
        window.addEventListener("DOMContentLoaded", (event) => {
            let $file = document.querySelector("#file"),
                $fileName = document.querySelector("#fileName"),
                $hiddenPreview = document.querySelector("#imagePreview"),
                $previewImage = document.querySelector("#previewImage"),
                $dropArea = document.querySelector("#drop-modal"),
                $removePhoto = document.querySelector("#removePhoto"),
                $photoIntent = document.querySelector("#photoIntent"),
                $body = document.querySelector("body");

            // Common handler for file selection (file input or drag/drop)
            let onFile = (file) => {
                $photoIntent.value = "{{if .CommentPhoto}}replace{{else}}upload{{end}}";
                $fileName.innerHTML = file.name;

                // Read the image to show the preview on-page.
                const reader = new FileReader();
                reader.addEventListener("load", () => {
                    const uploadedImg = reader.result;
                    $hiddenPreview.style.display = "block";

                    $previewImage.src = uploadedImg;
                    $previewImage.style.display = "block";
                    $previewImage.style.maxWidth = "100%";
                    $previewImage.style.height = "auto";
                });
                reader.readAsDataURL(file);
            };

            // Set up drag/drop file upload events.
            $body.addEventListener("dragenter", function(e) {
                e.preventDefault();
                e.stopPropagation();
                $dropArea.classList.add("is-active");
            });
            $body.addEventListener("dragover", function(e) {
                e.preventDefault();
                e.stopPropagation();
                $dropArea.classList.add("is-active");
            });
            $body.addEventListener("dragleave", function(e) {
                e.preventDefault();
                e.stopPropagation();
                $dropArea.classList.remove("is-active");
            });
            $body.addEventListener("drop", function(e) {
                e.preventDefault();
                e.stopPropagation();
                $dropArea.classList.remove("is-active");

                // Grab the file.
                let dt = e.dataTransfer;
                let file = dt.files[0];

                // Set the file on the input field too.
                $file.files = dt.files;

                onFile(file);
            });

            // File input handler.
            $file.addEventListener("change", function() {
                let file = this.files[0];
                onFile(file);
            });

            // Removal button.
            $removePhoto.addEventListener("click", function() {
                $photoIntent.value = "remove";
                $fileName.innerHTML = "Select a file";
                $file.value = '';
                $hiddenPreview.style.display = 'none';
            });
        });
    </script>
    {{end}}

</div>
{{end}}
{{define "scripts"}}
<script type="text/javascript">
    const { createApp } = Vue;

    // Some help from backend..
    const pollOptions = {{ ToJSON .PollOptions }};

    const app = createApp({
        delimiters: ['[[', ']]'],
        data() {
            return {
                pollVisible: true,
                answers: [
                    {value: ""},
                    {value: ""},
                ],
                expires: 3, // days
                answersLimit: 100,
            }
        },
        mounted() {
            // Set the posted poll options.
            if (pollOptions.length > 0) {
                this.answers = [];
                for (let row of pollOptions) {
                    this.answers.push({value: row});
                }
            }
        },
        methods: {
            addOption() {
                console.log(this.answers);
                if (this.answers.length < this.answersLimit) {
                    this.answers.push({value: ""});
                }
            },

            removeOption(idx) {
                if (this.answers.length <= 2) {
                    if (!window.confirm("A poll needs at least two options. Remove the poll?")) {
                        return;
                    }
                    this.removePoll();
                    return;
                }
                this.answers.splice(idx, 1);
            },

            removePoll() {
                this.answers = [
                    {value: ""},
                    {value: ""},
                ],
                this.pollVisible = false;
            }
        },
    });
    app.mount("#app");
</script>
{{end}}