mini-prog/miniprogram/utils/remoteMapConfig.ts

import { lonLatToWorldTile, webMercatorToLonLat, type LonLatPoint } from './projection'
import { parseOrienteeringCourseKml, type OrienteeringCourseData } from './orienteeringCourse'
import { mergeGameAudioConfig, type AudioCueKey, type GameAudioConfig, type GameAudioConfigOverrides, type PartialAudioCueConfig } from '../game/audio/audioConfig'
import { mergeTelemetryConfig, type TelemetryConfig } from '../game/telemetry/telemetryConfig'
import {
  mergeGameHapticsConfig,
  mergeGameUiEffectsConfig,
  type FeedbackCueKey,
  type GameHapticsConfig,
  type GameHapticsConfigOverrides,
  type GameUiEffectsConfig,
  type GameUiEffectsConfigOverrides,
  type PartialHapticCueConfig,
  type PartialUiCueConfig,
} from '../game/feedback/feedbackConfig'

export interface TileZoomBounds {
  minX: number
  maxX: number
  minY: number
  maxY: number
}

export interface RemoteMapConfig {
  tileSource: string
  minZoom: number
  maxZoom: number
  defaultZoom: number
  initialCenterTileX: number
  initialCenterTileY: number
  projection: string
  projectionModeText: string
  magneticDeclinationDeg: number
  magneticDeclinationText: string
  tileFormat: string
  tileSize: number
  bounds: [number, number, number, number] | null
  tileBoundsByZoom: Record<number, TileZoomBounds>
  mapMetaUrl: string
  mapRootUrl: string
  courseUrl: string | null
  course: OrienteeringCourseData | null
  courseStatusText: string
  cpRadiusMeters: number
  gameMode: 'classic-sequential' | 'score-o'
  punchPolicy: 'enter' | 'enter-confirm'
  punchRadiusMeters: number
  autoFinishOnLastControl: boolean
  telemetryConfig: TelemetryConfig
  audioConfig: GameAudioConfig
  hapticsConfig: GameHapticsConfig
  uiEffectsConfig: GameUiEffectsConfig
}

interface ParsedGameConfig {
  mapRoot: string
  mapMeta: string
  course: string | null
  cpRadiusMeters: number
  gameMode: 'classic-sequential' | 'score-o'
  punchPolicy: 'enter' | 'enter-confirm'
  punchRadiusMeters: number
  autoFinishOnLastControl: boolean
  telemetryConfig: TelemetryConfig
  audioConfig: GameAudioConfig
  hapticsConfig: GameHapticsConfig
  uiEffectsConfig: GameUiEffectsConfig
  declinationDeg: number
}

interface ParsedMapMeta {
  tileSize: number
  minZoom: number
  maxZoom: number
  projection: string
  tileFormat: string
  tilePathTemplate: string
  bounds: [number, number, number, number] | null
}

function requestTextViaRequest(url: string): Promise<string> {
  return new Promise((resolve, reject) => {
    wx.request({
      url,
      method: 'GET',
      responseType: 'text' as any,
      success: (response) => {
        if (response.statusCode !== 200) {
          reject(new Error(`request失败: ${response.statusCode} ${url}`))
          return
        }

        if (typeof response.data === 'string') {
          resolve(response.data)
          return
        }

        resolve(JSON.stringify(response.data))
      },
      fail: () => {
        reject(new Error(`request失败: ${url}`))
      },
    })
  })
}

function requestTextViaDownload(url: string): Promise<string> {
  return new Promise((resolve, reject) => {
    const fileSystemManager = wx.getFileSystemManager()
    wx.downloadFile({
      url,
      success: (response) => {
        if (response.statusCode !== 200 || !response.tempFilePath) {
          reject(new Error(`download失败: ${response.statusCode} ${url}`))
          return
        }

        fileSystemManager.readFile({
          filePath: response.tempFilePath,
          encoding: 'utf8',
          success: (readResult) => {
            if (typeof readResult.data === 'string') {
              resolve(readResult.data)
              return
            }

            reject(new Error(`read失败: ${url}`))
          },
          fail: () => {
            reject(new Error(`read失败: ${url}`))
          },
        })
      },
      fail: () => {
        reject(new Error(`download失败: ${url}`))
      },
    })
  })
}

async function requestText(url: string): Promise<string> {
  try {
    return await requestTextViaRequest(url)
  } catch (requestError) {
    try {
      return await requestTextViaDownload(url)
    } catch (downloadError) {
      const requestMessage = requestError instanceof Error ? requestError.message : 'request失败'
      const downloadMessage = downloadError instanceof Error ? downloadError.message : 'download失败'
      throw new Error(`${requestMessage}; ${downloadMessage}`)
    }
  }
}

function clamp(value: number, min: number, max: number): number {
  return Math.max(min, Math.min(max, value))
}

function resolveUrl(baseUrl: string, relativePath: string): string {
  if (/^https?:\/\//i.test(relativePath)) {
    return relativePath
  }

  const originMatch = baseUrl.match(/^(https?:\/\/[^/]+)/i)
  const origin = originMatch ? originMatch[1] : ''
  if (relativePath.startsWith('/')) {
    return `${origin}${relativePath}`
  }

  const baseDir = baseUrl.slice(0, baseUrl.lastIndexOf('/') + 1)
  const normalizedRelativePath = relativePath.replace(/^\.\//, '')
  return `${baseDir}${normalizedRelativePath}`
}

function formatDeclinationText(declinationDeg: number): string {
  const suffix = declinationDeg < 0 ? 'W' : 'E'
  return `${Math.abs(declinationDeg).toFixed(2)}° ${suffix}`
}

function parseDeclinationValue(rawValue: unknown): number {
  const numericValue = Number(rawValue)
  return Number.isFinite(numericValue) ? -Math.abs(numericValue) : -6.91
}

function parsePositiveNumber(rawValue: unknown, fallbackValue: number): number {
  const numericValue = Number(rawValue)
  return Number.isFinite(numericValue) && numericValue > 0 ? numericValue : fallbackValue
}

function parseBoolean(rawValue: unknown, fallbackValue: boolean): boolean {
  if (typeof rawValue === 'boolean') {
    return rawValue
  }

  if (typeof rawValue === 'string') {
    const normalized = rawValue.trim().toLowerCase()
    if (normalized === 'true') {
      return true
    }
    if (normalized === 'false') {
      return false
    }
  }

  return fallbackValue
}

function parsePunchPolicy(rawValue: unknown): 'enter' | 'enter-confirm' {
  return rawValue === 'enter' ? 'enter' : 'enter-confirm'
}

function parseGameMode(rawValue: unknown): 'classic-sequential' | 'score-o' {
  if (typeof rawValue !== 'string') {
    return 'classic-sequential'
  }

  const normalized = rawValue.trim().toLowerCase()
  if (normalized === 'classic-sequential' || normalized === 'classic' || normalized === 'sequential') {
    return 'classic-sequential'
  }

  if (normalized === 'score-o' || normalized === 'scoreo' || normalized === 'score') {
    return 'score-o'
  }

  throw new Error(`暂不支持的 game.mode: ${rawValue}`)
}

function parseTelemetryConfig(rawValue: unknown): TelemetryConfig {
  const normalized = normalizeObjectRecord(rawValue)
  if (!Object.keys(normalized).length) {
    return mergeTelemetryConfig()
  }

  const rawHeartRate = getFirstDefined(normalized, ['heartrate', 'heart_rate'])
  const normalizedHeartRate = normalizeObjectRecord(rawHeartRate)
  const ageRaw = getFirstDefined(normalizedHeartRate, ['age', 'userage', 'heartrateage', 'hrage']) !== undefined
    ? getFirstDefined(normalizedHeartRate, ['age', 'userage', 'heartrateage', 'hrage'])
    : getFirstDefined(normalized, ['age', 'userage', 'heartrateage', 'hrage'])
  const restingHeartRateRaw = getFirstDefined(normalizedHeartRate, ['restingheartratebpm', 'restingheartrate', 'restinghr', 'resting'])
    !== undefined
    ? getFirstDefined(normalizedHeartRate, ['restingheartratebpm', 'restingheartrate', 'restinghr', 'resting'])
    : getFirstDefined(normalized, ['restingheartratebpm', 'restingheartrate', 'restinghr', 'resting'])
  const userWeightRaw = getFirstDefined(normalizedHeartRate, ['userweightkg', 'weightkg', 'weight'])
    !== undefined
    ? getFirstDefined(normalizedHeartRate, ['userweightkg', 'weightkg', 'weight'])
    : getFirstDefined(normalized, ['userweightkg', 'weightkg', 'weight'])

  const telemetryOverrides: Partial<TelemetryConfig> = {}
  if (ageRaw !== undefined) {
    telemetryOverrides.heartRateAge = Number(ageRaw)
  }
  if (restingHeartRateRaw !== undefined) {
    telemetryOverrides.restingHeartRateBpm = Number(restingHeartRateRaw)
  }
  if (userWeightRaw !== undefined) {
    telemetryOverrides.userWeightKg = Number(userWeightRaw)
  }

  return mergeTelemetryConfig(telemetryOverrides)
}


function normalizeObjectRecord(rawValue: unknown): Record<string, unknown> {
  if (!rawValue || typeof rawValue !== 'object' || Array.isArray(rawValue)) {
    return {}
  }

  const normalized: Record<string, unknown> = {}
  const keys = Object.keys(rawValue as Record<string, unknown>)
  for (const key of keys) {
    normalized[key.toLowerCase()] = (rawValue as Record<string, unknown>)[key]
  }
  return normalized
}

function getFirstDefined(record: Record<string, unknown>, keys: string[]): unknown {
  for (const key of keys) {
    if (record[key] !== undefined) {
      return record[key]
    }
  }
  return undefined
}

function resolveAudioSrc(baseUrl: string, rawValue: unknown): string | undefined {
  if (typeof rawValue !== 'string') {
    return undefined
  }

  const trimmed = rawValue.trim()
  if (!trimmed) {
    return undefined
  }

  if (/^https?:\/\//i.test(trimmed)) {
    return trimmed
  }

  if (trimmed.startsWith('/assets/')) {
    return trimmed
  }

  if (trimmed.startsWith('assets/')) {
    return `/${trimmed}`
  }

  return resolveUrl(baseUrl, trimmed)
}

function buildAudioCueOverride(rawValue: unknown, baseUrl: string): PartialAudioCueConfig | null {
  if (typeof rawValue === 'string') {
    const src = resolveAudioSrc(baseUrl, rawValue)
    return src ? { src } : null
  }

  const normalized = normalizeObjectRecord(rawValue)
  if (!Object.keys(normalized).length) {
    return null
  }

  const src = resolveAudioSrc(baseUrl, getFirstDefined(normalized, ['src', 'url', 'path']))
  const volumeRaw = getFirstDefined(normalized, ['volume'])
  const loopRaw = getFirstDefined(normalized, ['loop'])
  const loopGapRaw = getFirstDefined(normalized, ['loopgapms', 'loopgap'])
  const cue: PartialAudioCueConfig = {}

  if (src) {
    cue.src = src
  }

  if (volumeRaw !== undefined) {
    cue.volume = parsePositiveNumber(volumeRaw, 1)
  }

  if (loopRaw !== undefined) {
    cue.loop = parseBoolean(loopRaw, false)
  }

  if (loopGapRaw !== undefined) {
    cue.loopGapMs = parsePositiveNumber(loopGapRaw, 0)
  }

  return cue.src || cue.volume !== undefined || cue.loop !== undefined || cue.loopGapMs !== undefined ? cue : null
}

function parseAudioConfig(rawValue: unknown, baseUrl: string): GameAudioConfig {
  const normalized = normalizeObjectRecord(rawValue)
  if (!Object.keys(normalized).length) {
    return mergeGameAudioConfig()
  }

  const normalizedCues = normalizeObjectRecord(getFirstDefined(normalized, ['cues', 'events']))
  const cueMap: Array<{ key: AudioCueKey; aliases: string[] }> = [
    { key: 'session_started', aliases: ['session_started', 'sessionstarted', 'session-started', 'start', 'session_start'] },
    { key: 'control_completed:start', aliases: ['control_completed:start', 'controlcompleted:start', 'start_completed', 'startcomplete', 'start-complete'] },
    { key: 'control_completed:control', aliases: ['control_completed:control', 'controlcompleted:control', 'control_completed', 'controlcompleted', 'control_complete', 'controlcomplete'] },
    { key: 'control_completed:finish', aliases: ['control_completed:finish', 'controlcompleted:finish', 'finish_completed', 'finishcomplete', 'finish-complete'] },
    { key: 'punch_feedback:warning', aliases: ['punch_feedback:warning', 'punchfeedback:warning', 'warning', 'punch_warning', 'punchwarning'] },
    { key: 'guidance:searching', aliases: ['guidance:searching', 'guidance_searching', 'searching', 'search', 'normal_search'] },
    { key: 'guidance:approaching', aliases: ['guidance:approaching', 'guidance_approaching', 'approaching', 'approach', 'near'] },
    { key: 'guidance:ready', aliases: ['guidance:ready', 'guidance_ready', 'ready', 'punch_ready', 'can_punch'] },
  ]

  const cues: GameAudioConfigOverrides['cues'] = {}
  for (const cueDef of cueMap) {
    const cueRaw = getFirstDefined(normalizedCues, cueDef.aliases)
    const cue = buildAudioCueOverride(cueRaw, baseUrl)
    if (cue) {
      cues[cueDef.key] = cue
    }
  }

  return mergeGameAudioConfig({
    enabled: normalized.enabled !== undefined ? parseBoolean(normalized.enabled, true) : undefined,
    masterVolume: normalized.mastervolume !== undefined
      ? parsePositiveNumber(normalized.mastervolume, 1)
      : normalized.volume !== undefined
        ? parsePositiveNumber(normalized.volume, 1)
        : undefined,
    obeyMuteSwitch: normalized.obeymuteswitch !== undefined ? parseBoolean(normalized.obeymuteswitch, true) : undefined,
    approachDistanceMeters: normalized.approachdistancemeters !== undefined
      ? parsePositiveNumber(normalized.approachdistancemeters, 20)
      : normalized.approachdistance !== undefined
        ? parsePositiveNumber(normalized.approachdistance, 20)
        : undefined,
    cues,
  })
}

function parseLooseJsonObject(text: string): Record<string, unknown> {
  const parsed: Record<string, unknown> = {}
  const pairPattern = /"([^"]+)"\s*:\s*("([^"]*)"|-?\d+(?:\.\d+)?|true|false|null)/g
  let match: RegExpExecArray | null

  while ((match = pairPattern.exec(text))) {
    const rawValue = match[2]
    let value: unknown = rawValue

    if (rawValue === 'true' || rawValue === 'false') {
      value = rawValue === 'true'
    } else if (rawValue === 'null') {
      value = null
    } else if (rawValue.startsWith('"') && rawValue.endsWith('"')) {
      value = match[3] || ''
    } else {
      const numericValue = Number(rawValue)
      value = Number.isFinite(numericValue) ? numericValue : rawValue
    }

    parsed[match[1]] = value
  }

  return parsed
}


function parseHapticPattern(rawValue: unknown): 'short' | 'long' | undefined {
  if (rawValue === 'short' || rawValue === 'long') {
    return rawValue
  }

  if (typeof rawValue === 'string') {
    const normalized = rawValue.trim().toLowerCase()
    if (normalized === 'short' || normalized === 'long') {
      return normalized
    }
  }

  return undefined
}

function parsePunchFeedbackMotion(rawValue: unknown): 'none' | 'pop' | 'success' | 'warning' | undefined {
  if (rawValue === 'none' || rawValue === 'pop' || rawValue === 'success' || rawValue === 'warning') {
    return rawValue
  }

  if (typeof rawValue === 'string') {
    const normalized = rawValue.trim().toLowerCase()
    if (normalized === 'none' || normalized === 'pop' || normalized === 'success' || normalized === 'warning') {
      return normalized
    }
  }

  return undefined
}

function parseContentCardMotion(rawValue: unknown): 'none' | 'pop' | 'finish' | undefined {
  if (rawValue === 'none' || rawValue === 'pop' || rawValue === 'finish') {
    return rawValue
  }

  if (typeof rawValue === 'string') {
    const normalized = rawValue.trim().toLowerCase()
    if (normalized === 'none' || normalized === 'pop' || normalized === 'finish') {
      return normalized
    }
  }

  return undefined
}

function parsePunchButtonMotion(rawValue: unknown): 'none' | 'ready' | 'warning' | undefined {
  if (rawValue === 'none' || rawValue === 'ready' || rawValue === 'warning') {
    return rawValue
  }

  if (typeof rawValue === 'string') {
    const normalized = rawValue.trim().toLowerCase()
    if (normalized === 'none' || normalized === 'ready' || normalized === 'warning') {
      return normalized
    }
  }

  return undefined
}

function parseMapPulseMotion(rawValue: unknown): 'none' | 'ready' | 'control' | 'finish' | undefined {
  if (rawValue === 'none' || rawValue === 'ready' || rawValue === 'control' || rawValue === 'finish') {
    return rawValue
  }

  if (typeof rawValue === 'string') {
    const normalized = rawValue.trim().toLowerCase()
    if (normalized === 'none' || normalized === 'ready' || normalized === 'control' || normalized === 'finish') {
      return normalized
    }
  }

  return undefined
}

function parseStageMotion(rawValue: unknown): 'none' | 'finish' | undefined {
  if (rawValue === 'none' || rawValue === 'finish') {
    return rawValue
  }

  if (typeof rawValue === 'string') {
    const normalized = rawValue.trim().toLowerCase()
    if (normalized === 'none' || normalized === 'finish') {
      return normalized
    }
  }

  return undefined
}

function buildHapticsCueOverride(rawValue: unknown): PartialHapticCueConfig | null {
  if (typeof rawValue === 'boolean') {
    return { enabled: rawValue }
  }

  const pattern = parseHapticPattern(rawValue)
  if (pattern) {
    return { enabled: true, pattern }
  }

  const normalized = normalizeObjectRecord(rawValue)
  if (!Object.keys(normalized).length) {
    return null
  }

  const cue: PartialHapticCueConfig = {}
  if (normalized.enabled !== undefined) {
    cue.enabled = parseBoolean(normalized.enabled, true)
  }

  const parsedPattern = parseHapticPattern(getFirstDefined(normalized, ['pattern', 'type']))
  if (parsedPattern) {
    cue.pattern = parsedPattern
  }

  return cue.enabled !== undefined || cue.pattern !== undefined ? cue : null
}

function buildUiCueOverride(rawValue: unknown): PartialUiCueConfig | null {
  const normalized = normalizeObjectRecord(rawValue)
  if (!Object.keys(normalized).length) {
    return null
  }

  const cue: PartialUiCueConfig = {}
  if (normalized.enabled !== undefined) {
    cue.enabled = parseBoolean(normalized.enabled, true)
  }

  const punchFeedbackMotion = parsePunchFeedbackMotion(getFirstDefined(normalized, ['punchfeedbackmotion', 'feedbackmotion', 'toastmotion']))
  if (punchFeedbackMotion) {
    cue.punchFeedbackMotion = punchFeedbackMotion
  }

  const contentCardMotion = parseContentCardMotion(getFirstDefined(normalized, ['contentcardmotion', 'cardmotion']))
  if (contentCardMotion) {
    cue.contentCardMotion = contentCardMotion
  }

  const punchButtonMotion = parsePunchButtonMotion(getFirstDefined(normalized, ['punchbuttonmotion', 'buttonmotion']))
  if (punchButtonMotion) {
    cue.punchButtonMotion = punchButtonMotion
  }

  const mapPulseMotion = parseMapPulseMotion(getFirstDefined(normalized, ['mappulsemotion', 'mapmotion']))
  if (mapPulseMotion) {
    cue.mapPulseMotion = mapPulseMotion
  }

  const stageMotion = parseStageMotion(getFirstDefined(normalized, ['stagemotion', 'screenmotion']))
  if (stageMotion) {
    cue.stageMotion = stageMotion
  }

  const durationRaw = getFirstDefined(normalized, ['durationms', 'duration'])
  if (durationRaw !== undefined) {
    cue.durationMs = parsePositiveNumber(durationRaw, 0)
  }

  return cue.enabled !== undefined ||
    cue.punchFeedbackMotion !== undefined ||
    cue.contentCardMotion !== undefined ||
    cue.punchButtonMotion !== undefined ||
    cue.mapPulseMotion !== undefined ||
    cue.stageMotion !== undefined ||
    cue.durationMs !== undefined
    ? cue
    : null
}

function parseHapticsConfig(rawValue: unknown): GameHapticsConfig {
  const normalized = normalizeObjectRecord(rawValue)
  if (!Object.keys(normalized).length) {
    return mergeGameHapticsConfig()
  }

  const normalizedCues = normalizeObjectRecord(getFirstDefined(normalized, ['cues', 'events']))
  const cueMap: Array<{ key: FeedbackCueKey; aliases: string[] }> = [
    { key: 'session_started', aliases: ['session_started', 'sessionstarted', 'session-started', 'start'] },
    { key: 'session_finished', aliases: ['session_finished', 'sessionfinished', 'session-finished', 'finish'] },
    { key: 'control_completed:start', aliases: ['control_completed:start', 'start_completed', 'startcomplete', 'start-complete'] },
    { key: 'control_completed:control', aliases: ['control_completed:control', 'control_completed', 'controlcomplete', 'control_complete'] },
    { key: 'control_completed:finish', aliases: ['control_completed:finish', 'finish_completed', 'finishcomplete', 'finish-complete'] },
    { key: 'punch_feedback:warning', aliases: ['punch_feedback:warning', 'warning', 'punch_warning', 'punchwarning'] },
    { key: 'guidance:searching', aliases: ['guidance:searching', 'searching', 'search'] },
    { key: 'guidance:approaching', aliases: ['guidance:approaching', 'approaching', 'approach', 'near'] },
    { key: 'guidance:ready', aliases: ['guidance:ready', 'ready', 'punch_ready', 'can_punch'] },
  ]

  const cues: GameHapticsConfigOverrides['cues'] = {}
  for (const cueDef of cueMap) {
    const cue = buildHapticsCueOverride(getFirstDefined(normalizedCues, cueDef.aliases))
    if (cue) {
      cues[cueDef.key] = cue
    }
  }

  return mergeGameHapticsConfig({
    enabled: normalized.enabled !== undefined ? parseBoolean(normalized.enabled, true) : undefined,
    cues,
  })
}

function parseUiEffectsConfig(rawValue: unknown): GameUiEffectsConfig {
  const normalized = normalizeObjectRecord(rawValue)
  if (!Object.keys(normalized).length) {
    return mergeGameUiEffectsConfig()
  }

  const normalizedCues = normalizeObjectRecord(getFirstDefined(normalized, ['cues', 'events']))
  const cueMap: Array<{ key: FeedbackCueKey; aliases: string[] }> = [
    { key: 'session_started', aliases: ['session_started', 'sessionstarted', 'session-started', 'start'] },
    { key: 'session_finished', aliases: ['session_finished', 'sessionfinished', 'session-finished', 'finish'] },
    { key: 'control_completed:start', aliases: ['control_completed:start', 'start_completed', 'startcomplete', 'start-complete'] },
    { key: 'control_completed:control', aliases: ['control_completed:control', 'control_completed', 'controlcomplete', 'control_complete'] },
    { key: 'control_completed:finish', aliases: ['control_completed:finish', 'finish_completed', 'finishcomplete', 'finish-complete'] },
    { key: 'punch_feedback:warning', aliases: ['punch_feedback:warning', 'warning', 'punch_warning', 'punchwarning'] },
    { key: 'guidance:searching', aliases: ['guidance:searching', 'searching', 'search'] },
    { key: 'guidance:approaching', aliases: ['guidance:approaching', 'approaching', 'approach', 'near'] },
    { key: 'guidance:ready', aliases: ['guidance:ready', 'ready', 'punch_ready', 'can_punch'] },
  ]

  const cues: GameUiEffectsConfigOverrides['cues'] = {}
  for (const cueDef of cueMap) {
    const cue = buildUiCueOverride(getFirstDefined(normalizedCues, cueDef.aliases))
    if (cue) {
      cues[cueDef.key] = cue
    }
  }

  return mergeGameUiEffectsConfig({
    enabled: normalized.enabled !== undefined ? parseBoolean(normalized.enabled, true) : undefined,
    cues,
  })
}

function parseGameConfigFromJson(text: string, gameConfigUrl: string): ParsedGameConfig {
  let parsed: Record<string, unknown>
  try {
    parsed = JSON.parse(text)
  } catch {
    parsed = parseLooseJsonObject(text)
  }

  const normalized: Record<string, unknown> = {}
  const keys = Object.keys(parsed)
  for (const key of keys) {
    normalized[key.toLowerCase()] = parsed[key]
  }

  const rawGame = parsed.game && typeof parsed.game === 'object' && !Array.isArray(parsed.game)
    ? parsed.game as Record<string, unknown>
    : null
  const normalizedGame: Record<string, unknown> = {}
  if (rawGame) {
    const gameKeys = Object.keys(rawGame)
    for (const key of gameKeys) {
      normalizedGame[key.toLowerCase()] = rawGame[key]
    }
  }
  const rawAudio = rawGame && rawGame.audio !== undefined ? rawGame.audio : parsed.audio
  const rawTelemetry = rawGame && rawGame.telemetry !== undefined ? rawGame.telemetry : parsed.telemetry
  const rawHaptics = rawGame && rawGame.haptics !== undefined ? rawGame.haptics : parsed.haptics
  const rawUiEffects = rawGame && rawGame.uiEffects !== undefined
    ? rawGame.uiEffects
    : rawGame && rawGame.uieffects !== undefined
      ? rawGame.uieffects
      : rawGame && rawGame.ui !== undefined
        ? rawGame.ui
        : (parsed as Record<string, unknown>).uiEffects !== undefined
          ? (parsed as Record<string, unknown>).uiEffects
          : (parsed as Record<string, unknown>).uieffects !== undefined
            ? (parsed as Record<string, unknown>).uieffects
            : (parsed as Record<string, unknown>).ui

  const mapRoot = typeof normalized.map === 'string' ? normalized.map : ''
  const mapMeta = typeof normalized.mapmeta === 'string' ? normalized.mapmeta : ''
  if (!mapRoot || !mapMeta) {
    throw new Error('game.json 缺少 map 或 mapmeta 字段')
  }

  const modeValue = typeof normalizedGame.mode === 'string' ? normalizedGame.mode : normalized.gamemode
  const gameMode = parseGameMode(modeValue)

  return {
    mapRoot,
    mapMeta,
    course: typeof normalized.course === 'string' ? normalized.course : null,
    cpRadiusMeters: parsePositiveNumber(normalized.cpradius, 5),
    gameMode,
    punchPolicy: parsePunchPolicy(normalizedGame.punchpolicy !== undefined ? normalizedGame.punchpolicy : normalized.punchpolicy),
    punchRadiusMeters: parsePositiveNumber(
      normalizedGame.punchradiusmeters !== undefined
        ? normalizedGame.punchradiusmeters
        : normalizedGame.punchradius !== undefined
          ? normalizedGame.punchradius
          : normalized.punchradiusmeters !== undefined
            ? normalized.punchradiusmeters
            : normalized.punchradius,
      5,
    ),
    autoFinishOnLastControl: parseBoolean(
      normalizedGame.autofinishonlastcontrol !== undefined ? normalizedGame.autofinishonlastcontrol : normalized.autofinishonlastcontrol,
      true,
    ),
    telemetryConfig: parseTelemetryConfig(rawTelemetry),
    audioConfig: parseAudioConfig(rawAudio, gameConfigUrl),
    hapticsConfig: parseHapticsConfig(rawHaptics),
    uiEffectsConfig: parseUiEffectsConfig(rawUiEffects),
    declinationDeg: parseDeclinationValue(normalized.declination),
  }
}

function parseGameConfigFromYaml(text: string, gameConfigUrl: string): ParsedGameConfig {
  const config: Record<string, string> = {}
  const lines = text.split(/\r?\n/)

  for (const rawLine of lines) {
    const line = rawLine.trim()
    if (!line || line.startsWith('#')) {
      continue
    }

    const match = line.match(/^([A-Za-z0-9_-]+)\s*(?:=|:)\s*(.+)$/)
    if (!match) {
      continue
    }

    config[match[1].trim().toLowerCase()] = match[2].trim()
  }

  const mapRoot = config.map
  const mapMeta = config.mapmeta
  if (!mapRoot || !mapMeta) {
    throw new Error('game.yaml 缺少 map 或 mapmeta 字段')
  }

  const gameMode = parseGameMode(config.gamemode)

  return {
    mapRoot,
    mapMeta,
    course: typeof config.course === 'string' ? config.course : null,
    cpRadiusMeters: parsePositiveNumber(config.cpradius, 5),
    gameMode,
    punchPolicy: parsePunchPolicy(config.punchpolicy),
    punchRadiusMeters: parsePositiveNumber(
      config.punchradiusmeters !== undefined ? config.punchradiusmeters : config.punchradius,
      5,
    ),
    autoFinishOnLastControl: parseBoolean(config.autofinishonlastcontrol, true),
    telemetryConfig: parseTelemetryConfig({
      heartRate: {
        age: config.heartrateage !== undefined ? config.heartrateage : config.telemetryheartrateage,
        restingHeartRateBpm: config.restingheartratebpm !== undefined
          ? config.restingheartratebpm
          : config.restingheartrate !== undefined
            ? config.restingheartrate
            : config.telemetryrestingheartratebpm !== undefined
              ? config.telemetryrestingheartratebpm
              : config.telemetryrestingheartrate,
      },
    }),
    audioConfig: parseAudioConfig({
      enabled: config.audioenabled,
      masterVolume: config.audiomastervolume,
      obeyMuteSwitch: config.audioobeymuteswitch,
      approachDistanceMeters: config.audioapproachdistancemeters !== undefined ? config.audioapproachdistancemeters : config.audioapproachdistance,
      cues: {
        session_started: config.audiosessionstarted,
        'control_completed:start': config.audiostartcomplete,
        'control_completed:control': config.audiocontrolcomplete,
        'control_completed:finish': config.audiofinishcomplete,
        'punch_feedback:warning': config.audiowarning,
        'guidance:searching': config.audiosearching,
        'guidance:approaching': config.audioapproaching,
        'guidance:ready': config.audioready,
      },
    }, gameConfigUrl),
    hapticsConfig: parseHapticsConfig({
      enabled: config.hapticsenabled,
      cues: {
        session_started: config.hapticsstart,
        session_finished: config.hapticsfinish,
        'control_completed:start': config.hapticsstartcomplete,
        'control_completed:control': config.hapticscontrolcomplete,
        'control_completed:finish': config.hapticsfinishcomplete,
        'punch_feedback:warning': config.hapticswarning,
        'guidance:searching': config.hapticssearching,
        'guidance:approaching': config.hapticsapproaching,
        'guidance:ready': config.hapticsready,
      },
    }),
    uiEffectsConfig: parseUiEffectsConfig({
      enabled: config.uieffectsenabled,
      cues: {
        session_started: { enabled: config.uistartenabled, punchButtonMotion: config.uistartbuttonmotion },
        session_finished: { enabled: config.uifinishenabled, contentCardMotion: config.uifinishcardmotion },
        'control_completed:start': { enabled: config.uistartcompleteenabled, contentCardMotion: config.uistartcompletecardmotion, punchFeedbackMotion: config.uistartcompletetoastmotion },
        'control_completed:control': { enabled: config.uicontrolcompleteenabled, contentCardMotion: config.uicontrolcompletecardmotion, punchFeedbackMotion: config.uicontrolcompletetoastmotion },
        'control_completed:finish': { enabled: config.uifinishcompleteenabled, contentCardMotion: config.uifinishcompletecardmotion, punchFeedbackMotion: config.uifinishcompletetoastmotion },
        'punch_feedback:warning': { enabled: config.uiwarningenabled, punchFeedbackMotion: config.uiwarningtoastmotion, punchButtonMotion: config.uiwarningbuttonmotion, durationMs: config.uiwarningdurationms },
        'guidance:ready': { enabled: config.uireadyenabled, punchButtonMotion: config.uireadybuttonmotion, durationMs: config.uireadydurationms },
      },
    }),
    declinationDeg: parseDeclinationValue(config.declination),
  }
}

function parseGameConfig(text: string, gameConfigUrl: string): ParsedGameConfig {
  const trimmedText = text.trim()
  const isJson =
    trimmedText.startsWith('{') ||
    trimmedText.startsWith('[') ||
    /\.json(?:[?#].*)?$/i.test(gameConfigUrl)

  return isJson ? parseGameConfigFromJson(trimmedText, gameConfigUrl) : parseGameConfigFromYaml(trimmedText, gameConfigUrl)
}

function extractStringField(text: string, key: string): string | null {
  const pattern = new RegExp(`"${key}"\\s*:\\s*"([^"]+)"`)
  const match = text.match(pattern)
  return match ? match[1] : null
}

function extractNumberField(text: string, key: string): number | null {
  const pattern = new RegExp(`"${key}"\\s*:\\s*(-?\\d+(?:\\.\\d+)?)`)
  const match = text.match(pattern)
  if (!match) {
    return null
  }

  const value = Number(match[1])
  return Number.isFinite(value) ? value : null
}

function extractNumberArrayField(text: string, key: string): number[] | null {
  const pattern = new RegExp(`"${key}"\\s*:\\s*\\[([^\\]]+)\\]`)
  const match = text.match(pattern)
  if (!match) {
    return null
  }

  const numberMatches = match[1].match(/-?\d+(?:\.\d+)?/g)
  if (!numberMatches || !numberMatches.length) {
    return null
  }

  const values = numberMatches
    .map((item) => Number(item))
    .filter((item) => Number.isFinite(item))

  return values.length ? values : null
}

function parseMapMeta(text: string): ParsedMapMeta {
  const tileSizeField = extractNumberField(text, 'tileSize')
  const tileSize = tileSizeField === null ? 256 : tileSizeField
  const minZoom = extractNumberField(text, 'minZoom')
  const maxZoom = extractNumberField(text, 'maxZoom')
  const projectionField = extractStringField(text, 'projection')
  const projection = projectionField === null ? 'EPSG:3857' : projectionField
  const tilePathTemplate = extractStringField(text, 'tilePathTemplate')
  const tileFormatFromField = extractStringField(text, 'tileFormat')
  const boundsValues = extractNumberArrayField(text, 'bounds')

  if (!Number.isFinite(minZoom) || !Number.isFinite(maxZoom) || !tilePathTemplate) {
    throw new Error('meta.json 缺少必要字段')
  }

  let tileFormat = tileFormatFromField || ''
  if (!tileFormat) {
    const extensionMatch = tilePathTemplate.match(/\.([A-Za-z0-9]+)$/)
    tileFormat = extensionMatch ? extensionMatch[1].toLowerCase() : 'png'
  }

  return {
    tileSize,
    minZoom: minZoom as number,
    maxZoom: maxZoom as number,
    projection,
    tileFormat,
    tilePathTemplate,
    bounds: boundsValues && boundsValues.length >= 4
      ? [boundsValues[0], boundsValues[1], boundsValues[2], boundsValues[3]]
      : null,
  }
}

function getBoundsCorners(
  bounds: [number, number, number, number],
  projection: string,
): { northWest: LonLatPoint; southEast: LonLatPoint; center: LonLatPoint } {
  if (projection === 'EPSG:3857') {
    const minX = bounds[0]
    const minY = bounds[1]
    const maxX = bounds[2]
    const maxY = bounds[3]
    return {
      northWest: webMercatorToLonLat({ x: minX, y: maxY }),
      southEast: webMercatorToLonLat({ x: maxX, y: minY }),
      center: webMercatorToLonLat({ x: (minX + maxX) / 2, y: (minY + maxY) / 2 }),
    }
  }

  if (projection === 'EPSG:4326') {
    const minLon = bounds[0]
    const minLat = bounds[1]
    const maxLon = bounds[2]
    const maxLat = bounds[3]
    return {
      northWest: { lon: minLon, lat: maxLat },
      southEast: { lon: maxLon, lat: minLat },
      center: { lon: (minLon + maxLon) / 2, lat: (minLat + maxLat) / 2 },
    }
  }

  throw new Error(`暂不支持的投影: ${projection}`)
}

function buildTileBoundsByZoom(
  bounds: [number, number, number, number] | null,
  projection: string,
  minZoom: number,
  maxZoom: number,
): Record<number, TileZoomBounds> {
  const boundsByZoom: Record<number, TileZoomBounds> = {}
  if (!bounds) {
    return boundsByZoom
  }

  const corners = getBoundsCorners(bounds, projection)
  for (let zoom = minZoom; zoom <= maxZoom; zoom += 1) {
    const northWestWorld = lonLatToWorldTile(corners.northWest, zoom)
    const southEastWorld = lonLatToWorldTile(corners.southEast, zoom)
    const minX = Math.floor(Math.min(northWestWorld.x, southEastWorld.x))
    const maxX = Math.ceil(Math.max(northWestWorld.x, southEastWorld.x)) - 1
    const minY = Math.floor(Math.min(northWestWorld.y, southEastWorld.y))
    const maxY = Math.ceil(Math.max(northWestWorld.y, southEastWorld.y)) - 1

    boundsByZoom[zoom] = {
      minX,
      maxX,
      minY,
      maxY,
    }
  }

  return boundsByZoom
}

function getProjectionModeText(projection: string): string {
  return `${projection} -> XYZ Tile -> Camera -> Screen`
}

export function isTileWithinBounds(
  tileBoundsByZoom: Record<number, TileZoomBounds> | null | undefined,
  zoom: number,
  x: number,
  y: number,
): boolean {
  if (!tileBoundsByZoom) {
    return true
  }

  const bounds = tileBoundsByZoom[zoom]
  if (!bounds) {
    return true
  }

  return x >= bounds.minX && x <= bounds.maxX && y >= bounds.minY && y <= bounds.maxY
}

export async function loadRemoteMapConfig(gameConfigUrl: string): Promise<RemoteMapConfig> {
  const gameConfigText = await requestText(gameConfigUrl)
  const gameConfig = parseGameConfig(gameConfigText, gameConfigUrl)
  const mapMetaUrl = resolveUrl(gameConfigUrl, gameConfig.mapMeta)
  const mapRootUrl = resolveUrl(gameConfigUrl, gameConfig.mapRoot)
  const courseUrl = gameConfig.course ? resolveUrl(gameConfigUrl, gameConfig.course) : null
  const mapMetaText = await requestText(mapMetaUrl)
  const mapMeta = parseMapMeta(mapMetaText)

  let course: OrienteeringCourseData | null = null
  let courseStatusText = courseUrl ? '路线待加载' : '未配置路线'
  if (courseUrl) {
    try {
      const courseText = await requestText(courseUrl)
      course = parseOrienteeringCourseKml(courseText)
      courseStatusText = `路线已载入 (${course.layers.controls.length} controls)`
    } catch (error) {
      const message = error instanceof Error ? error.message : '未知错误'
      courseStatusText = `路线加载失败: ${message}`
    }
  }

  const defaultZoom = clamp(17, mapMeta.minZoom, mapMeta.maxZoom)
  const boundsCorners = mapMeta.bounds ? getBoundsCorners(mapMeta.bounds, mapMeta.projection) : null
  const centerWorldTile = boundsCorners
    ? lonLatToWorldTile(boundsCorners.center, defaultZoom)
    : { x: 0, y: 0 }

  return {
    tileSource: resolveUrl(mapRootUrl, mapMeta.tilePathTemplate),
    minZoom: mapMeta.minZoom,
    maxZoom: mapMeta.maxZoom,
    defaultZoom,
    initialCenterTileX: Math.round(centerWorldTile.x),
    initialCenterTileY: Math.round(centerWorldTile.y),
    projection: mapMeta.projection,
    projectionModeText: getProjectionModeText(mapMeta.projection),
    magneticDeclinationDeg: gameConfig.declinationDeg,
    magneticDeclinationText: formatDeclinationText(gameConfig.declinationDeg),
    tileFormat: mapMeta.tileFormat,
    tileSize: mapMeta.tileSize,
    bounds: mapMeta.bounds,
    tileBoundsByZoom: buildTileBoundsByZoom(mapMeta.bounds, mapMeta.projection, mapMeta.minZoom, mapMeta.maxZoom),
    mapMetaUrl,
    mapRootUrl,
    courseUrl,
    course,
    courseStatusText,
    cpRadiusMeters: gameConfig.cpRadiusMeters,
    gameMode: gameConfig.gameMode,
    punchPolicy: gameConfig.punchPolicy,
    punchRadiusMeters: gameConfig.punchRadiusMeters,
    autoFinishOnLastControl: gameConfig.autoFinishOnLastControl,
    telemetryConfig: gameConfig.telemetryConfig,
    audioConfig: gameConfig.audioConfig,
    hapticsConfig: gameConfig.hapticsConfig,
    uiEffectsConfig: gameConfig.uiEffectsConfig,
  }
}