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import { _ISelection, IValue, _IIndex, _ITable, _Transaction, _Explainer, _SelectExplanation, IndexOp, Stats } from '../interfaces-private.ts';import { FilterBase } from './transform-base.ts';import { nullIsh } from '../utils.ts';
export class BetweenFilter<T = any> extends FilterBase<T> {
    private opDef: IndexOp;

    entropy(t: _Transaction) {        return this.onValue.index!.entropy({ ...this.opDef, t });    }
    constructor(private onValue: IValue<T>        , private lo: any        , private hi: any        , private op: 'inside' | 'outside') {        super(onValue.origin!);        if (onValue.index!.expressions[0]?.hash !== onValue.hash) {            throw new Error('Between index misuse');        }        this.opDef = {            type: op,            hi: [hi],            lo: [lo],            t: null as any,        }    }
    hasItem(value: T, t: _Transaction): boolean {        const v = this.onValue.get(value, t);        if (nullIsh(v)) {            return false;        }        if (this.op === 'inside') {            return !!this.onValue.type.ge(v, this.lo)                && !!this.onValue.type.le(v, this.hi);        }        return !!this.onValue.type.lt(v, this.lo)            || !!this.onValue.type.gt(v, this.lo);    }
    enumerate(t: _Transaction): Iterable<T> {        return this.onValue.index!.enumerate({ ...this.opDef, t });    }

    stats(t: _Transaction): Stats | null {        return null;    }
    explain(e: _Explainer): _SelectExplanation {        return {            id: e.idFor(this),            _: this.op,            entropy: this.entropy(e.transaction),            on: this.onValue.index!.explain(e),        };    }}