@model Slide
@{
    ViewData["Title"] = $"Edit: {Model.Name}";
}

<form asp-action="Edit" method="post" class="slide-form">
    @Html.AntiForgeryToken()
    <input type="hidden" asp-for="Id" />
    <input type="hidden" asp-for="CreatedAt" />

    <div class="row g-4">
        <div class="col-lg-8">
            <div class="card">
                <div class="card-header"><h5 class="mb-0">Slide Content</h5></div>
                <div class="card-body">
                    <div class="mb-3">
                        <label asp-for="Name" class="form-label">Name *</label>
                        <input asp-for="Name" class="form-control" required />
                        <span asp-validation-for="Name" class="text-danger"></span>
                    </div>
                    <div class="mb-3">
                        <label asp-for="SlideType" class="form-label">Type</label>
                        <select asp-for="SlideType" asp-items="Html.GetEnumSelectList<SlideType>()" class="form-select" id="slideType"></select>
                    </div>
                    <div id="contentSection" style="display:@(Model.SlideType == SlideType.Content ? "" : "none");">
                        <label class="form-label">Content</label>
                        <textarea asp-for="Content" id="contentEditor" class="form-control" rows="15"></textarea>
                    </div>
                    <div id="embedSection" style="display:@(Model.SlideType == SlideType.Embed ? "" : "none");">
                        <div class="mb-3">
                            <label asp-for="EmbedUrl" class="form-label">Embed URL</label>
                            <input asp-for="EmbedUrl" class="form-control" placeholder="https://example.com/page" />
                        </div>
                    </div>
                    <div id="icsSection" style="display:@(Model.SlideType == SlideType.IcsCalendar ? "" : "none");">
                        <div class="mb-3">
                            <label asp-for="IcsSource" class="form-label">ICS Calendar Source</label>
                            <input asp-for="IcsSource" class="form-control" />
                        </div>
                        <div class="mb-3">
                            <label class="form-label">Or Upload ICS File</label>
                            <input type="file" id="icsFileUpload" class="form-control" accept=".ics" />
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-lg-4">
            <div class="card mb-4">
                <div class="card-header"><h5 class="mb-0">Appearance</h5></div>
                <div class="card-body">
                    <div class="mb-3">
                        <label asp-for="BackgroundColor" class="form-label">Background Colour</label>
                        <div class="input-group">
                            <input type="color" id="bgColorPicker" class="form-control form-control-color" value="@(Model.BackgroundColor ?? "#1a1a2e")" />
                            <input asp-for="BackgroundColor" class="form-control" />
                        </div>
                    </div>
                    <div class="mb-3">
                        <label asp-for="BackgroundImage" class="form-label">Background Image URL</label>
                        <input asp-for="BackgroundImage" class="form-control" />
                        <button type="button" class="btn btn-sm btn-outline-secondary mt-1" onclick="uploadBackgroundImage()"><i class="bi bi-upload me-1"></i>Upload</button>
                        <input type="file" id="bgImageUpload" class="d-none" accept="image/*" />
                    </div>
                    <div class="mb-3">
                        <label asp-for="BackgroundSize" class="form-label">Image Sizing</label>
                        <select asp-for="BackgroundSize" class="form-select">
                            <option value="cover">Cover — fill entire slide, crop if needed</option>
                            <option value="contain">Contain — fit whole image, may show background</option>
                            <option value="fill">Fill — stretch to fit exactly</option>
                            <option value="scale-down">Scale Down — shrink to fit, never enlarge</option>
                            <option value="auto">Auto — original size</option>
                        </select>
                        <div class="form-text">How the background image fills the slide area.</div>
                    </div>
                    <div class="mb-3">
                        <label asp-for="CustomCss" class="form-label">Custom CSS</label>
                        <textarea asp-for="CustomCss" class="form-control font-monospace" rows="4"></textarea>
                    </div>
                </div>
            </div>
            <div class="d-grid gap-2">
                <button type="submit" class="btn btn-primary btn-lg"><i class="bi bi-check-lg me-1"></i>Save Changes</button>
                <a href="/admin/slides" class="btn btn-outline-secondary">Cancel</a>
            </div>
        </div>
    </div>
</form>

@section Styles {
    <style>.tox-tinymce { border-radius: 0.375rem !important; }</style>
}

@section Scripts {
    <script src="https://cdn.tiny.cloud/1/no-api-key/tinymce/6/tinymce.min.js" referrerpolicy="origin"></script>
    <script>
        document.getElementById('slideType').addEventListener('change', function () {
            document.getElementById('contentSection').style.display = this.value === '0' ? '' : 'none';
            document.getElementById('embedSection').style.display = this.value === '1' ? '' : 'none';
            document.getElementById('icsSection').style.display = this.value === '2' ? '' : 'none';
            if (this.value === '0') initTinyMCE();
        });
        function initTinyMCE() {
            if (tinymce.get('contentEditor')) return;
            tinymce.init({
                selector: '#contentEditor', height: 500, menubar: 'file edit view insert format table',
                plugins: 'advlist autolink lists link image charmap preview anchor searchreplace visualblocks code fullscreen insertdatetime media table help wordcount',
                toolbar: 'undo redo | blocks | bold italic forecolor backcolor | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | image media table | removeformat code fullscreen',
                images_upload_handler: function (blobInfo) {
                    return new Promise(function (resolve, reject) {
                        var fd = new FormData(); fd.append('file', blobInfo.blob(), blobInfo.filename());
                        fetch('/api/upload', { method: 'POST', body: fd }).then(r => r.json()).then(d => resolve(d.location)).catch(e => reject(e));
                    });
                },
                content_style: 'body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: 16px; color: #fff; background: #1a1a2e; }',
                skin: 'oxide-dark', content_css: 'dark', promotion: false, branding: false
            });
        }
        if (document.getElementById('slideType').value === '0') initTinyMCE();
        document.getElementById('bgColorPicker').addEventListener('input', function () { document.getElementById('BackgroundColor').value = this.value; });
        function uploadBackgroundImage() { document.getElementById('bgImageUpload').click(); }
        document.getElementById('bgImageUpload').addEventListener('change', function () {
            if (!this.files[0]) return; var fd = new FormData(); fd.append('file', this.files[0]);
            fetch('/api/upload', { method: 'POST', body: fd }).then(r => r.json()).then(d => { document.getElementById('BackgroundImage').value = d.location; });
        });
        document.getElementById('icsFileUpload')?.addEventListener('change', function () {
            if (!this.files[0]) return; var fd = new FormData(); fd.append('file', this.files[0]);
            fetch('/api/uploadfile', { method: 'POST', body: fd }).then(r => r.json()).then(d => { document.getElementById('IcsSource').value = d.url; });
        });
    </script>
}