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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 | 'use client' import { useCallback, useEffect, useRef, useState } from 'react' import { css } from '../../../../styled-system/css' import { AppNavBar } from '@/components/AppNavBar' import { AdminNav } from '@/components/AdminNav' import type { CanvasPreviewTarget, AIPreviewTarget, PreviewTarget } from '@/lib/homepage-previews' // Dynamic import: the registry imports render functions that reference browser APIs // (Canvas 2D). We only need them client-side for canvas capture. const loadRegistry = () => import('@/lib/homepage-previews') interface TargetStatus { id: string type: 'canvas' | 'ai' label: string width: number height: number prompt?: string imageExists: boolean sizeBytes?: number } interface ProviderInfo { id: string name: string available: boolean models: Array<{ id: string; name: string }> } interface StatusResponse { targets: TargetStatus[] providers: ProviderInfo[] } function formatBytes(bytes: number): string { if (bytes < 1024) return `${bytes} B` if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB` return `${(bytes / (1024 * 1024)).toFixed(1)} MB` } export default function HomepagePreviewsAdmin() { const [status, setStatus] = useState<StatusResponse | null>(null) const [generating, setGenerating] = useState<Set<string>>(new Set()) const [errors, setErrors] = useState<Map<string, string>>(new Map()) const [selectedValue, setSelectedValue] = useState('') const registryRef = useRef<Awaited<ReturnType<typeof loadRegistry>> | null>(null) const [selectedProvider, selectedModel] = selectedValue.includes(':') ? selectedValue.split(':') : ['', ''] // Fetch status const fetchStatus = useCallback(async () => { try { const res = await fetch('/api/admin/homepage-previews/status') if (!res.ok) throw new Error('Failed to fetch status') const data: StatusResponse = await res.json() setStatus(data) // Auto-select first available provider if (!selectedValue && data.providers.length > 0) { const available = data.providers.find((p) => p.available) if (available && available.models.length > 0) { setSelectedValue(`${available.id}:${available.models[0].id}`) } } } catch (err) { console.error('Failed to fetch homepage preview status:', err) } }, [selectedValue]) useEffect(() => { fetchStatus() }, [fetchStatus]) // Ensure registry is loaded for canvas rendering async function getRegistry() { if (!registryRef.current) { registryRef.current = await loadRegistry() } return registryRef.current } // Generate a canvas preview client-side async function generateCanvas(targetId: string) { setGenerating((prev) => new Set(prev).add(targetId)) setErrors((prev) => { const next = new Map(prev) next.delete(targetId) return next }) try { const registry = await getRegistry() const target = registry.getPreviewTarget(targetId) if (!target || target.type !== 'canvas') throw new Error('Not a canvas target') const canvasTarget = target as CanvasPreviewTarget const canvas = document.createElement('canvas') const dpr = 2 // Render at 2x for crisp previews canvas.width = canvasTarget.width * dpr canvas.height = canvasTarget.height * dpr const ctx = canvas.getContext('2d') if (!ctx) throw new Error('Failed to get canvas context') ctx.scale(dpr, dpr) canvasTarget.render(ctx, canvasTarget.width, canvasTarget.height) const blob = await new Promise<Blob | null>((resolve) => canvas.toBlob(resolve, 'image/png')) if (!blob) throw new Error('Failed to create PNG blob') // Convert to base64 data URL const reader = new FileReader() const dataUrl = await new Promise<string>((resolve, reject) => { reader.onload = () => resolve(reader.result as string) reader.onerror = reject reader.readAsDataURL(blob) }) // POST to API const res = await fetch('/api/admin/homepage-previews/generate', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ id: targetId, imageData: dataUrl }), }) if (!res.ok) { const data = await res.json() throw new Error(data.error || 'Upload failed') } await fetchStatus() } catch (err) { setErrors((prev) => { const next = new Map(prev) next.set(targetId, err instanceof Error ? err.message : 'Unknown error') return next }) } finally { setGenerating((prev) => { const next = new Set(prev) next.delete(targetId) return next }) } } // Generate an AI preview async function generateAI(targetId: string) { if (!selectedProvider || !selectedModel) { setErrors((prev) => { const next = new Map(prev) next.set(targetId, 'Select an AI provider first') return next }) return } setGenerating((prev) => new Set(prev).add(targetId)) setErrors((prev) => { const next = new Map(prev) next.delete(targetId) return next }) try { const res = await fetch('/api/admin/homepage-previews/generate', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ id: targetId, provider: selectedProvider, model: selectedModel, }), }) if (!res.ok) { const data = await res.json() throw new Error(data.error || 'Generation failed') } await fetchStatus() } catch (err) { setErrors((prev) => { const next = new Map(prev) next.set(targetId, err instanceof Error ? err.message : 'Unknown error') return next }) } finally { setGenerating((prev) => { const next = new Set(prev) next.delete(targetId) return next }) } } function handleGenerate(target: TargetStatus) { if (target.type === 'canvas') { generateCanvas(target.id) } else { generateAI(target.id) } } async function handleGenerateAllCanvas() { const canvasTargets = status?.targets.filter((t) => t.type === 'canvas') ?? [] for (const target of canvasTargets) { await generateCanvas(target.id) } } const canvasTargets = status?.targets.filter((t) => t.type === 'canvas') ?? [] const aiTargets = status?.targets.filter((t) => t.type === 'ai') ?? [] const allGenerated = status?.targets.every((t) => t.imageExists) ?? false const selectStyle = css({ backgroundColor: '#0d1117', border: '1px solid #30363d', borderRadius: '6px', padding: '6px 12px', color: '#c9d1d9', fontSize: '13px', cursor: 'pointer', '&:disabled': { opacity: 0.5, cursor: 'not-allowed' }, }) return ( <div data-component="homepage-previews-admin" className={css({ minHeight: '100vh', backgroundColor: '#0d1117', color: '#c9d1d9', })} > <AppNavBar /> <div className={css({ paddingTop: '56px' })}> <AdminNav /> </div> <div className={css({ maxWidth: '1200px', margin: '0 auto', padding: '24px' })}> {/* Header */} <div className={css({ marginBottom: '24px' })}> <h1 className={css({ fontSize: '24px', fontWeight: 'bold', marginBottom: '4px' })}> Homepage Preview Images </h1> <p className={css({ fontSize: '13px', color: '#8b949e' })}> Generate preview images for homepage exploration cards. Canvas targets render client-side; AI targets use image generation providers. {status && ( <> {' '} {status.targets.filter((t) => t.imageExists).length}/{status.targets.length}{' '} generated. </> )} </p> </div> {/* Controls bar */} <div data-element="controls-bar" className={css({ display: 'flex', gap: '12px', alignItems: 'center', flexWrap: 'wrap', marginBottom: '20px', padding: '16px', backgroundColor: '#161b22', borderRadius: '8px', border: '1px solid #30363d', })} > {/* Provider selector (for AI targets) */} <select data-action="select-provider" value={selectedValue} onChange={(e) => setSelectedValue(e.target.value)} disabled={generating.size > 0} className={selectStyle} > <option value="">AI Provider...</option> {status?.providers.map((p) => p.models.map((m) => ( <option key={`${p.id}:${m.id}`} value={`${p.id}:${m.id}`} disabled={!p.available}> {p.name} / {m.name} {!p.available ? ' (no key)' : ''} </option> )) )} </select> {/* Generate All Canvas */} <button data-action="generate-all-canvas" onClick={handleGenerateAllCanvas} disabled={generating.size > 0} className={css({ backgroundColor: '#238636', color: '#fff', border: 'none', borderRadius: '6px', padding: '6px 16px', fontSize: '13px', fontWeight: '600', cursor: 'pointer', '&:hover': { backgroundColor: '#2ea043' }, '&:disabled': { opacity: 0.5, cursor: 'not-allowed' }, })} > Generate All Canvas ({canvasTargets.length}) </button> {/* Refresh */} <button data-action="refresh" onClick={fetchStatus} disabled={generating.size > 0} className={css({ backgroundColor: '#21262d', color: '#c9d1d9', border: '1px solid #30363d', borderRadius: '6px', padding: '6px 12px', fontSize: '13px', cursor: 'pointer', '&:hover': { backgroundColor: '#30363d' }, '&:disabled': { opacity: 0.5, cursor: 'not-allowed' }, })} > Refresh </button> {allGenerated && ( <span className={css({ fontSize: '12px', color: '#3fb950' })}> All images generated </span> )} </div> {/* Canvas targets */} {canvasTargets.length > 0 && ( <div className={css({ marginBottom: '32px' })}> <h2 className={css({ fontSize: '16px', fontWeight: '600', marginBottom: '12px', color: '#f0f6fc', })} > Canvas Targets (client-side render) </h2> <div className={css({ display: 'grid', gridTemplateColumns: 'repeat(auto-fill, minmax(340px, 1fr))', gap: '12px', })} > {canvasTargets.map((target) => ( <TargetCard key={target.id} target={target} isGenerating={generating.has(target.id)} error={errors.get(target.id)} onGenerate={() => handleGenerate(target)} /> ))} </div> </div> )} {/* AI targets */} {aiTargets.length > 0 && ( <div className={css({ marginBottom: '32px' })}> <h2 className={css({ fontSize: '16px', fontWeight: '600', marginBottom: '12px', color: '#f0f6fc', })} > AI Targets (provider-generated) </h2> <div className={css({ display: 'grid', gridTemplateColumns: 'repeat(auto-fill, minmax(340px, 1fr))', gap: '12px', })} > {aiTargets.map((target) => ( <TargetCard key={target.id} target={target} isGenerating={generating.has(target.id)} error={errors.get(target.id)} onGenerate={() => handleGenerate(target)} /> ))} </div> </div> )} {/* Loading state */} {!status && ( <div className={css({ textAlign: 'center', padding: '48px', color: '#8b949e' })}> Loading... </div> )} </div> </div> ) } function TargetCard({ target, isGenerating, error, onGenerate, }: { target: TargetStatus isGenerating: boolean error?: string onGenerate: () => void }) { return ( <div data-element="target-card" data-target-id={target.id} className={css({ padding: '16px', backgroundColor: '#161b22', borderRadius: '8px', border: error ? '1px solid #f85149' : '1px solid #30363d', })} > {/* Thumbnail */} <div className={css({ width: '100%', aspectRatio: '8 / 5', borderRadius: '6px', overflow: 'hidden', backgroundColor: '#0d1117', display: 'flex', alignItems: 'center', justifyContent: 'center', border: '1px solid #21262d', marginBottom: '12px', })} > {target.imageExists ? ( <img src={`/images/homepage/${target.id}.png?t=${Date.now()}`} alt={target.label} className={css({ width: '100%', height: '100%', objectFit: 'cover', })} /> ) : isGenerating ? ( <span className={css({ fontSize: '14px', color: '#58a6ff' })}>Generating...</span> ) : ( <span className={css({ fontSize: '12px', color: '#484f58' })}>No image</span> )} </div> {/* Info */} <div className={css({ marginBottom: '12px' })}> <div className={css({ fontSize: '14px', fontWeight: '600', color: '#f0f6fc', marginBottom: '2px', })} > {target.label} </div> <div className={css({ fontSize: '12px', color: '#8b949e' })}> {target.id} · {target.type} · {target.width}×{target.height} {target.imageExists && target.sizeBytes && <> · {formatBytes(target.sizeBytes)}</>} </div> {target.prompt && ( <div className={css({ fontSize: '11px', color: '#484f58', marginTop: '4px', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', })} > {target.prompt} </div> )} </div> {/* Error */} {error && ( <div className={css({ padding: '6px 10px', backgroundColor: 'rgba(248, 81, 73, 0.1)', border: '1px solid rgba(248, 81, 73, 0.3)', borderRadius: '4px', fontSize: '12px', color: '#f85149', marginBottom: '8px', wordBreak: 'break-word', })} > {error} </div> )} {/* Action */} <button data-action={target.imageExists ? 'regenerate' : 'generate'} onClick={onGenerate} disabled={isGenerating} className={css({ backgroundColor: target.imageExists ? '#21262d' : '#238636', color: target.imageExists ? '#c9d1d9' : '#fff', border: target.imageExists ? '1px solid #30363d' : 'none', borderRadius: '6px', padding: '6px 16px', fontSize: '12px', fontWeight: '600', cursor: 'pointer', width: '100%', '&:hover': { backgroundColor: target.imageExists ? '#30363d' : '#2ea043', }, '&:disabled': { opacity: 0.5, cursor: 'not-allowed' }, })} > {isGenerating ? 'Generating...' : target.imageExists ? 'Regenerate' : 'Generate'} </button> </div> ) } |