Odds Selector Adapter (Mr. Doge SDK)

1import type { Market } from "@mrdoge/protocol"
2import type { OddsLine } from "@/registry/mrdoge-ui/odds-selector/odds-selector"
3 
4// Over/Under outcomes only carry a generic "O"/"U" code, no threshold in
5// it. The threshold lives in the caption instead ("Over 1.5", "Under
6// 1.5"), so that's what has to be parsed to sort lines and label them.
7function parseThreshold(caption: string | null | undefined): number {
8  const match = caption?.match(/[\d.]+/)
9  return match ? parseFloat(match[0]) : NaN
10}
11 
12/**
13 * Some bet types post one market per line instead of one market total.
14 * SOCCER_UNDER_OVER posts a separate market for each Over/Under threshold
15 * (0.5, 1.5, 2.5, ...). Pairs each market's two outcomes into one OddsLine
16 * row and sorts by threshold, for OddsSelector's `lines` prop.
17 */
18export function toOddsLines(markets: Market[]): OddsLine[] {
19  const lines: (OddsLine & { threshold: number })[] = []
20  for (const market of markets) {
21    const over = market.lines.find((line) => line.code.startsWith("O"))
22    const under = market.lines.find((line) => line.code.startsWith("U"))
23    if (!over || !under) continue
24    const threshold = parseThreshold(over.caption ?? under.caption)
25    // Can't sort or label a line without a real threshold. Drop it
26    // rather than showing a broken "NaN" row.
27    if (Number.isNaN(threshold)) continue
28    lines.push({
29      id: market.id,
30      threshold,
31      label: String(threshold),
32      over: {
33        id: over.id,
34        label: over.caption ?? over.code,
35        price: over.price.toFixed(2),
36        suspended: !over.isAvailable,
37      },
38      under: {
39        id: under.id,
40        label: under.caption ?? under.code,
41        price: under.price.toFixed(2),
42        suspended: !under.isAvailable,
43      },
44    })
45  }
46  return lines.sort((a, b) => a.threshold - b.threshold)
47}
48 
49/**
50 * Picks the line closest to an even split: the Over/Under prices closest
51 * to each other, e.g. Over 1.90 / Under 2.00 rather than a lopsided Over
52 * 1.18 / Under 4.50. A reasonable single-market pick when there's only
53 * room to show one Total Goals line, e.g. alongside other markets on a
54 * board. The first market in the snapshot is otherwise arbitrary.
55 */
56export function pickMostBalancedMarket(markets: Market[]): Market | undefined {
57  let best: Market | undefined
58  let bestSpread = Infinity
59  for (const market of markets) {
60    const over = market.lines.find((line) => line.code.startsWith("O"))
61// … truncated