import { type GameDefinition } from '../core/gameDefinition'
import { type GameSessionState } from '../core/gameSessionState'
import { type TelemetryPresentation } from '../telemetry/telemetryPresentation'

export interface ResultSummaryRow {
  label: string
  value: string
}

export interface ResultSummarySnapshot {
  title: string
  subtitle: string
  heroLabel: string
  heroValue: string
  rows: ResultSummaryRow[]
}

function resolveTitle(definition: GameDefinition | null, mapTitle: string): string {
  if (mapTitle) {
    return mapTitle
  }
  if (definition && definition.title) {
    return definition.title
  }
  return '本局结果'
}

function buildHeroValue(definition: GameDefinition | null, sessionState: GameSessionState, telemetryPresentation: TelemetryPresentation): string {
  if (definition && definition.mode === 'score-o') {
    return `${sessionState.score}`
  }
  return telemetryPresentation.timerText
}

function buildHeroLabel(definition: GameDefinition | null): string {
  return definition && definition.mode === 'score-o' ? '本局得分' : '本局用时'
}

function buildSubtitle(sessionState: GameSessionState): string {
  if (sessionState.status === 'finished') {
    return '本局已完成'
  }
  if (sessionState.status === 'failed') {
    return '本局已结束'
  }
  return '对局摘要'
}

export function buildResultSummarySnapshot(
  definition: GameDefinition | null,
  sessionState: GameSessionState | null,
  telemetryPresentation: TelemetryPresentation,
  mapTitle: string,
): ResultSummarySnapshot {
  const resolvedSessionState: GameSessionState = sessionState || {
    status: 'idle',
    startedAt: null,
    endedAt: null,
    completedControlIds: [],
    skippedControlIds: [],
    currentTargetControlId: null,
    inRangeControlId: null,
    score: 0,
    guidanceState: 'searching',
    modeState: null,
  }
  const skippedCount = resolvedSessionState.skippedControlIds.length
  const totalControlCount = definition
    ? definition.controls.filter((control) => control.kind === 'control').length
    : 0
  const averageHeartRateText = telemetryPresentation.heartRateValueText !== '--'
    ? `${telemetryPresentation.heartRateValueText} ${telemetryPresentation.heartRateUnitText || 'bpm'}`
    : '--'

  return {
    title: resolveTitle(definition, mapTitle),
    subtitle: buildSubtitle(resolvedSessionState),
    heroLabel: buildHeroLabel(definition),
    heroValue: buildHeroValue(definition, resolvedSessionState, telemetryPresentation),
    rows: [
      { label: '状态', value: resolvedSessionState.status === 'finished' ? '完成' : (resolvedSessionState.status === 'failed' ? '结束' : '进行中') },
      { label: '完成点数', value: totalControlCount > 0 ? `${resolvedSessionState.completedControlIds.length}/${totalControlCount}` : `${resolvedSessionState.completedControlIds.length}` },
      { label: '跳过点数', value: `${skippedCount}` },
      { label: '累计里程', value: telemetryPresentation.mileageText },
      { label: '平均速度', value: `${telemetryPresentation.averageSpeedValueText}${telemetryPresentation.averageSpeedUnitText}` },
      { label: '当前得分', value: `${resolvedSessionState.score}` },
      { label: '累计消耗', value: `${telemetryPresentation.caloriesValueText}${telemetryPresentation.caloriesUnitText}` },
      { label: '平均心率', value: averageHeartRateText },
    ],
  }
}