const EXPLAIN_UNIT_PREVIEW_BASE = '/static/explain/unit-previews'

export const EXPLAIN_UNIT_PREVIEW_FALLBACK = `${EXPLAIN_UNIT_PREVIEW_BASE}/default.svg`

// 集中维护 H5 讲解业务单元封面，缺失或新增单元会回退到 default.svg。
const unitPreviewImageById: Record<string, string> = {
  '2060939176503275521': `${EXPLAIN_UNIT_PREVIEW_BASE}/2060939176503275521.svg`,
  '2060939176637493249': `${EXPLAIN_UNIT_PREVIEW_BASE}/2060939176637493249.svg`,
  '2060939176767516674': `${EXPLAIN_UNIT_PREVIEW_BASE}/2060939176767516674.svg`,
  '2060939176897540098': `${EXPLAIN_UNIT_PREVIEW_BASE}/2060939176897540098.svg`,
  '2060939177027563521': `${EXPLAIN_UNIT_PREVIEW_BASE}/2060939177027563521.svg`,
  '7467940240901013505': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013505.svg`,
  '7467940240901013506': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013506.svg`,
  '7467940240901013507': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013507.svg`,
  '7467940240901013508': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013508.svg`,
  '7467940240901013509': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013509.svg`,
  '7467940240901013510': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013510.svg`,
  '7467940240901013511': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013511.svg`,
  '7467940240901013512': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013512.svg`,
  '7467940240901013513': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013513.svg`,
  '7467940240901013514': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013514.svg`,
  '7467940240901013515': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013515.svg`,
  '7467940240901013516': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013516.svg`,
  '7467940240901013517': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013517.svg`,
  '7467940240901013518': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013518.svg`,
  '7467940240901013519': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013519.svg`,
  '7467940240901013520': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013520.svg`,
  '7467940240901013521': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013521.svg`,
  '7467940240901013522': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013522.svg`,
  '7467940240901013523': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013523.svg`,
  '7467940240901013524': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013524.svg`,
  '7467940240901013525': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013525.svg`,
  '7467940240901013526': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013526.svg`,
  '7467940240901013527': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013527.svg`,
  '7467940240901013528': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013528.svg`,
  '7467940240901013529': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013529.svg`,
  '7467940240901013530': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013530.svg`,
  '7467940240901013531': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013531.svg`,
  '7467940240901013532': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013532.svg`,
  '7467940240901013533': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013533.svg`,
  '7467940240901013534': `${EXPLAIN_UNIT_PREVIEW_BASE}/7467940240901013534.svg`
}

export const getExplainUnitPreviewImage = (unitId?: string) => (
  unitId ? unitPreviewImageById[unitId] || EXPLAIN_UNIT_PREVIEW_FALLBACK : EXPLAIN_UNIT_PREVIEW_FALLBACK
)