/**
* patterns/config.ts - 時間軸に応じたパラメータ設定
*
* パターン検出で使用するデフォルトパラメータを時間軸ごとに提供する。
*/
/** パターンごとの最小整合度（閾値） */
export const MIN_CONFIDENCE: Record<string, number> = {
triple_top: 0.7,
triple_bottom: 0.7,
double_top: 0.6,
double_bottom: 0.6,
head_and_shoulders: 0.7,
inverse_head_and_shoulders: 0.7,
};
/** スキーマのデフォルト値（サーバ側で埋められる値） */
export const SCHEMA_DEFAULTS = {
swingDepth: 7,
minBarsBetweenSwings: 5,
tolerancePct: 0.04,
} as const;
/**
* 時間軸に応じたスイング検出パラメータを返す
*/
export function getDefaultParamsForTf(tf: string): { swingDepth: number; minBarsBetweenSwings: number } {
const t = String(tf);
// 期待動作（例）の目安に基づくデフォルト
if (t === '1hour') return { swingDepth: 3, minBarsBetweenSwings: 2 };
if (t === '4hour') return { swingDepth: 5, minBarsBetweenSwings: 3 };
if (t === '8hour') return { swingDepth: 5, minBarsBetweenSwings: 3 };
if (t === '12hour') return { swingDepth: 5, minBarsBetweenSwings: 3 };
if (t === '1day') return { swingDepth: 6, minBarsBetweenSwings: 4 };
if (t === '1week') return { swingDepth: 7, minBarsBetweenSwings: 5 };
if (t === '1month') return { swingDepth: 8, minBarsBetweenSwings: 6 };
// 分足はやや緩め（ノイズ多めのため最小幅は確保）
if (t === '30min') return { swingDepth: 3, minBarsBetweenSwings: 2 };
if (t === '15min') return { swingDepth: 3, minBarsBetweenSwings: 2 };
if (t === '5min') return { swingDepth: 2, minBarsBetweenSwings: 1 };
if (t === '1min') return { swingDepth: 2, minBarsBetweenSwings: 1 };
// フォールバック（日足相当）
return { swingDepth: 6, minBarsBetweenSwings: 4 };
}
/**
* 時間軸に応じた許容誤差（tolerancePct）を返す
*/
export function getDefaultToleranceForTf(tf: string): number {
const t = String(tf);
if (t === '1hour' || t === '4hour') return 0.05; // 5%
if (t === '8hour' || t === '12hour') return 0.045; // 4.5%
if (t === '15min' || t === '30min') return 0.06; // 6%
if (t === '1week') return 0.035; // 3.5%
if (t === '1month') return 0.03; // 3.0%
return 0.04; // 1day 他
}
/**
* 時間軸に応じた収束係数を返す（三角形・ウェッジ用）
*/
export function getConvergenceFactorForTf(tf: string): number {
const t = String(tf);
if (t === '1hour' || t === '4hour' || t === '15min' || t === '30min') return 0.6;
return 0.8; // default
}
/**
* 時間軸に応じた三角形の係数を返す
*/
export function getTriangleCoeffForTf(tf: string): { flat: number; move: number } {
const t = String(tf);
if (t === '1hour' || t === '4hour') return { flat: 1.2, move: 0.8 };
return { flat: 0.8, move: 1.2 };
}
/**
* 時間軸に応じた最小フィット値を返す
*/
export function getMinFitForTf(tf: string): number {
const t = String(tf);
if (t === '1hour' || t === '4hour') return 0.60;
if (t === '1day') return 0.70;
return 0.75;
}
/**
* 時間軸に応じた三角形のウィンドウサイズを返す
*/
export function getTriangleWindowSize(tf: string): number {
const t = String(tf);
// 長期: 大きなパターン
if (t === '1month') return 30;
if (t === '1week') return 40;
// 中期
if (t === '1day') return 50;
// 短期
if (t === '4hour') return 30;
if (t === '1hour') return 40;
if (t === '30min') return 30;
if (t === '15min') return 30;
return 20;
}
/**
* オプションとスキーマデフォルトから実効パラメータを解決する
*/
export function resolveParams(
tf: string,
opts: Partial<{
swingDepth: number;
tolerancePct: number;
minBarsBetweenSwings: number;
}>
): {
swingDepth: number;
tolerancePct: number;
minBarsBetweenSwings: number;
autoScaled: boolean;
} {
const auto = getDefaultParamsForTf(tf);
const tolAuto = getDefaultToleranceForTf(tf);
// swingDepth: スキーマ既定値(7)が来た場合は時間軸オートに置換
const swingDepth = Number.isFinite(opts.swingDepth as number)
? ((opts.swingDepth as number) === SCHEMA_DEFAULTS.swingDepth ? auto.swingDepth : (opts.swingDepth as number))
: auto.swingDepth;
// tolerancePct: スキーマ既定値(0.04)が来た場合は時間軸オートを採用
const tolerancePct = (typeof opts.tolerancePct === 'number' && !Number.isNaN(opts.tolerancePct))
? ((opts.tolerancePct as number) === SCHEMA_DEFAULTS.tolerancePct ? tolAuto : (opts.tolerancePct as number))
: tolAuto;
// minBarsBetweenSwings: 同様に既定値(5)なら時間軸オートに置換
const minBarsBetweenSwings = Number.isFinite(opts.minBarsBetweenSwings as number)
? ((opts.minBarsBetweenSwings as number) === SCHEMA_DEFAULTS.minBarsBetweenSwings ? auto.minBarsBetweenSwings : (opts.minBarsBetweenSwings as number))
: auto.minBarsBetweenSwings;
const autoScaled = !(Number.isFinite(opts.swingDepth as number) || Number.isFinite(opts.minBarsBetweenSwings as number));
return { swingDepth, tolerancePct, minBarsBetweenSwings, autoScaled };
}
