import { getSession } from '@/services/api.uts'
import { MatchDetail, MatchReason } from './matches.uts'
import { parseCompareIds } from '@/services/match-route.uts'
export { parseCompareIds, compareQuery, matchReturnPath } from '@/services/match-route.uts'

let scope = ''
let selected: string[] = []

// 只缓存少量选择ID，不持久化产品或个人事实；换账号、会话或评估后立即隔离。
export function compareSelection(assessmentId: string, revisionId: string = ''): string[] {
    const session = getSession()
    const key = session == null ? '' : (session.getString('userId') ?? '') + ':' + (session.getString('token') ?? '') + ':' + assessmentId + ':' + revisionId
    if (key != scope || key.length == 0) { scope = key; selected = [] }
    return selected.slice()
}
export function saveCompareSelection(assessmentId: string, ids: string[], revisionId: string = ''): void {
    compareSelection(assessmentId, revisionId)
    selected = parseCompareIds(ids.join(','))
}
export function sameMatchSnapshot(a: MatchDetail, b: MatchDetail): boolean {
    return a.assessmentId == b.assessmentId && a.revisionId == b.revisionId && a.resultVersion == b.resultVersion && a.snapshotId == b.snapshotId && a.ruleVersion == b.ruleVersion && a.orderingVersion == b.orderingVersion
}
export function compareReasonText(reasons: MatchReason[], empty: string): string {
    return reasons.length == 0 ? empty : reasons.map((r: MatchReason): string => r.text + '\n' + r.evidence.join('\n')).join('\n\n')
}