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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 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527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 | import type { Meta, StoryObj } from '@storybook/react' import { useState, useCallback, useEffect } from 'react' import { css } from '../../../styled-system/css' import { ObserverVisionFeed } from './ObserverVisionFeed' import type { ObservedVisionFrame, DvrBufferInfo } from '@/hooks/useSessionObserver' // ============================================================================= // Mock Data // ============================================================================= /** * A simple 100x75 gray placeholder image encoded as base64 JPEG * This simulates what a real vision frame would look like */ const PLACEHOLDER_IMAGE = `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` /** * Create a mock ObservedVisionFrame */ function createMockFrame(overrides: Partial<ObservedVisionFrame> = {}): ObservedVisionFrame { return { imageData: PLACEHOLDER_IMAGE, detectedValue: 42, confidence: 0.95, receivedAt: Date.now(), ...overrides, } } /** * Create a mock DvrBufferInfo */ function createMockDvrInfo(overrides: Partial<DvrBufferInfo> = {}): DvrBufferInfo { return { availableFromMs: 0, availableToMs: 60000, // 60 seconds of buffer currentProblemStartMs: 0, // Problem started at beginning currentProblemNumber: 1, // First problem ...overrides, } } // ============================================================================= // Storybook Meta // ============================================================================= const meta: Meta<typeof ObserverVisionFeed> = { title: 'Vision/ObserverVisionFeed', component: ObserverVisionFeed, decorators: [ (Story) => ( <div className={css({ padding: '2rem', display: 'flex', justifyContent: 'center', alignItems: 'center', minHeight: '400px', bg: 'gray.900', })} > <div className={css({ maxWidth: '400px', width: '100%' })}> <Story /> </div> </div> ), ], parameters: { layout: 'centered', backgrounds: { default: 'dark' }, }, } export default meta type Story = StoryObj<typeof ObserverVisionFeed> // ============================================================================= // Stories: Basic States // ============================================================================= export const LiveFeedWithDetection: Story = { name: 'Live Feed - Detection Active', args: { frame: createMockFrame({ detectedValue: 123, confidence: 0.98 }), sessionId: 'test-session-1', dvrBufferInfo: createMockDvrInfo(), isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } export const LiveFeedNoDetection: Story = { name: 'Live Feed - No Detection', args: { frame: createMockFrame({ detectedValue: null, confidence: 0 }), sessionId: 'test-session-1', dvrBufferInfo: createMockDvrInfo(), isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } export const LiveFeedLowConfidence: Story = { name: 'Live Feed - Low Confidence', args: { frame: createMockFrame({ detectedValue: 45, confidence: 0.52 }), sessionId: 'test-session-1', dvrBufferInfo: createMockDvrInfo(), isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } export const StaleFeed: Story = { name: 'Stale Feed - Frame Outdated', args: { frame: createMockFrame({ detectedValue: 77, confidence: 0.9, // Frame received 2 seconds ago, making it stale receivedAt: Date.now() - 2000, }), sessionId: 'test-session-1', dvrBufferInfo: createMockDvrInfo(), isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } // ============================================================================= // Stories: DVR States // ============================================================================= export const DvrAvailable: Story = { name: 'DVR Available - Live', args: { frame: createMockFrame({ detectedValue: 88, confidence: 0.94 }), sessionId: 'test-session-1', dvrBufferInfo: createMockDvrInfo({ availableFromMs: 0, availableToMs: 45000, }), // 45s buffer isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } export const DvrScrubbing: Story = { name: 'DVR Scrubbing - Past Frame', args: { frame: createMockFrame({ detectedValue: 55, confidence: 0.88 }), sessionId: 'test-session-1', dvrBufferInfo: createMockDvrInfo({ availableFromMs: 0, availableToMs: 60000, }), isLive: false, // Not live - scrubbing onScrub: () => {}, onGoLive: () => {}, }, } export const DvrNotAvailable: Story = { name: 'DVR Not Available', args: { frame: createMockFrame({ detectedValue: 33, confidence: 0.85 }), sessionId: 'test-session-1', dvrBufferInfo: null, // No buffer info isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } export const DvrEmptyBuffer: Story = { name: 'DVR Empty Buffer', args: { frame: createMockFrame({ detectedValue: 99, confidence: 0.92 }), sessionId: 'test-session-1', dvrBufferInfo: createMockDvrInfo({ availableFromMs: 0, availableToMs: 0 }), // Empty buffer isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } // ============================================================================= // Stories: Without DVR Controls // ============================================================================= export const NoDvrControls: Story = { name: 'Without DVR Controls', args: { frame: createMockFrame({ detectedValue: 42, confidence: 0.96 }), sessionId: 'test-session-1', // No onScrub or onGoLive callbacks - DVR controls won't render }, } // ============================================================================= // Stories: Confidence Levels // ============================================================================= export const ConfidenceHigh: Story = { name: 'Confidence - High (98%)', args: { frame: createMockFrame({ detectedValue: 100, confidence: 0.98 }), sessionId: 'test-session-1', dvrBufferInfo: createMockDvrInfo(), isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } export const ConfidenceMedium: Story = { name: 'Confidence - Medium (75%)', args: { frame: createMockFrame({ detectedValue: 75, confidence: 0.75 }), sessionId: 'test-session-1', dvrBufferInfo: createMockDvrInfo(), isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } export const ConfidenceLow: Story = { name: 'Confidence - Low (40%)', args: { frame: createMockFrame({ detectedValue: 22, confidence: 0.4 }), sessionId: 'test-session-1', dvrBufferInfo: createMockDvrInfo(), isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } // ============================================================================= // Stories: Interactive // ============================================================================= function InteractiveObserverFeed() { const [isLive, setIsLive] = useState(true) const [scrubPosition, setScrubPosition] = useState(100) const [frame, setFrame] = useState<ObservedVisionFrame>( createMockFrame({ detectedValue: 42, confidence: 0.95 }) ) // Simulate live frame updates useEffect(() => { if (!isLive) return const interval = setInterval(() => { setFrame( createMockFrame({ detectedValue: Math.floor(Math.random() * 150), confidence: 0.85 + Math.random() * 0.14, receivedAt: Date.now(), }) ) }, 500) return () => clearInterval(interval) }, [isLive]) const handleScrub = useCallback((offsetMs: number) => { setIsLive(false) // In real implementation, this would request frame from server // For demo, just show a "past" frame setFrame( createMockFrame({ detectedValue: Math.floor(offsetMs / 1000), // Show offset as detected value for demo confidence: 0.88, receivedAt: Date.now(), // Still fresh, just scrubbed }) ) }, []) const handleGoLive = useCallback(() => { setIsLive(true) }, []) return ( <div className={css({ display: 'flex', flexDirection: 'column', gap: 4 })}> <div className={css({ textAlign: 'center', color: 'white', fontSize: 'sm', })} > <h3 className={css({ fontWeight: 'bold', mb: 2 })}>Interactive Demo</h3> <p className={css({ color: 'gray.400' })}> {isLive ? 'Watching live - drag the slider to scrub back' : 'Scrubbing - click Go Live'} </p> </div> <ObserverVisionFeed frame={frame} sessionId="demo-session" dvrBufferInfo={createMockDvrInfo({ availableFromMs: 0, availableToMs: 60000, })} isLive={isLive} onScrub={handleScrub} onGoLive={handleGoLive} /> <div className={css({ p: 3, bg: 'gray.800', borderRadius: 'md', fontSize: 'xs', color: 'gray.400', })} > <div>Status: {isLive ? 'LIVE' : 'SCRUBBING'}</div> <div>Detected Value: {frame.detectedValue ?? 'null'}</div> <div>Confidence: {Math.round(frame.confidence * 100)}%</div> </div> </div> ) } export const Interactive: Story = { name: 'Interactive Demo', render: () => <InteractiveObserverFeed />, } // ============================================================================= // Stories: All States Gallery // ============================================================================= function AllStatesGallery() { const states = [ { label: 'Live - Detection', frame: createMockFrame({ detectedValue: 123, confidence: 0.98 }), dvr: createMockDvrInfo(), isLive: true, }, { label: 'Live - No Detection', frame: createMockFrame({ detectedValue: null, confidence: 0 }), dvr: createMockDvrInfo(), isLive: true, }, { label: 'Stale Frame', frame: createMockFrame({ detectedValue: 77, receivedAt: Date.now() - 3000, }), dvr: createMockDvrInfo(), isLive: true, }, { label: 'DVR Not Available', frame: createMockFrame({ detectedValue: 42 }), dvr: null, isLive: true, }, { label: 'Scrubbing Past', frame: createMockFrame({ detectedValue: 55 }), dvr: createMockDvrInfo(), isLive: false, }, { label: 'Low Confidence', frame: createMockFrame({ detectedValue: 22, confidence: 0.35 }), dvr: createMockDvrInfo(), isLive: true, }, ] return ( <div className={css({ display: 'grid', gridTemplateColumns: 'repeat(2, 1fr)', gap: 4, maxWidth: '800px', })} > {states.map((state, i) => ( <div key={i} className={css({ display: 'flex', flexDirection: 'column', gap: 2 })}> <span className={css({ fontSize: 'xs', fontWeight: 'bold', color: 'white', textAlign: 'center', })} > {state.label} </span> <ObserverVisionFeed frame={state.frame} sessionId={`gallery-${i}`} dvrBufferInfo={state.dvr} isLive={state.isLive} onScrub={() => {}} onGoLive={() => {}} /> </div> ))} </div> ) } export const AllStates: Story = { name: 'All States Gallery', render: () => <AllStatesGallery />, parameters: { layout: 'fullscreen', }, decorators: [ (Story) => ( <div className={css({ padding: '2rem', display: 'flex', justifyContent: 'center', alignItems: 'flex-start', minHeight: '100vh', bg: 'gray.900', })} > <Story /> </div> ), ], } // ============================================================================= // Stories: Per-Problem DVR Scrubbing // ============================================================================= export const PerProblemScrubbing: Story = { name: 'DVR Per-Problem Scrubbing', args: { frame: createMockFrame({ detectedValue: 88, confidence: 0.94 }), sessionId: 'test-session-1', // Buffer has 60 seconds total, but current problem started 15 seconds ago // So scrubber should only allow scrubbing within the last 15 seconds dvrBufferInfo: createMockDvrInfo({ availableFromMs: 0, availableToMs: 60000, currentProblemStartMs: 45000, // Problem started 15 seconds ago (60000 - 45000 = 15s) currentProblemNumber: 5, }), isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } export const PerProblemScrubbingLongProblem: Story = { name: 'DVR Per-Problem - Long Problem (45s)', args: { frame: createMockFrame({ detectedValue: 123, confidence: 0.91 }), sessionId: 'test-session-1', // Current problem started 45 seconds ago dvrBufferInfo: createMockDvrInfo({ availableFromMs: 0, availableToMs: 60000, currentProblemStartMs: 15000, // Problem started 45 seconds ago currentProblemNumber: 3, }), isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } export const PerProblemScrubbingNoProblemInfo: Story = { name: 'DVR Per-Problem - No Problem Info', args: { frame: createMockFrame({ detectedValue: 42, confidence: 0.88 }), sessionId: 'test-session-1', // No problem info available - falls back to full buffer range dvrBufferInfo: createMockDvrInfo({ availableFromMs: 0, availableToMs: 60000, currentProblemStartMs: null, currentProblemNumber: null, }), isLive: true, onScrub: () => {}, onGoLive: () => {}, }, } // ============================================================================= // Stories: DVR Buffer Sizes // ============================================================================= function DvrBufferComparison() { const bufferSizes = [ { label: '10 seconds', ms: 10000 }, { label: '30 seconds', ms: 30000 }, { label: '60 seconds', ms: 60000 }, ] return ( <div className={css({ display: 'flex', flexDirection: 'column', gap: 4 })}> <h3 className={css({ color: 'white', fontWeight: 'bold', textAlign: 'center', })} > DVR Buffer Size Comparison </h3> <div className={css({ display: 'flex', gap: 4, flexWrap: 'wrap', justifyContent: 'center', })} > {bufferSizes.map(({ label, ms }) => ( <div key={ms} className={css({ display: 'flex', flexDirection: 'column', gap: 2, width: '300px', })} > <span className={css({ fontSize: 'xs', color: 'gray.400', textAlign: 'center', })} > {label} </span> <ObserverVisionFeed frame={createMockFrame({ detectedValue: Math.floor(ms / 1000) })} sessionId={`buffer-${ms}`} dvrBufferInfo={createMockDvrInfo({ availableFromMs: 0, availableToMs: ms, })} isLive={true} onScrub={() => {}} onGoLive={() => {}} /> </div> ))} </div> </div> ) } export const BufferSizeComparison: Story = { name: 'DVR Buffer Size Comparison', render: () => <DvrBufferComparison />, parameters: { layout: 'fullscreen', }, decorators: [ (Story) => ( <div className={css({ padding: '2rem', bg: 'gray.900', minHeight: '100vh', })} > <Story /> </div> ), ], } |