import {
  asRecord,
  normalizeTiles,
  normalizeWsType,
  readBoolean,
  readString,
} from '../../../../game/chengdu/messageNormalizers'
import type { RoomPlayerUpdatePayload, RoomTrusteePayload } from '../../../../game/actions'
import {
  clearDingQuePending,
  clearReadyTogglePending,
  clearStartGamePending,
  clearTurnPending,
  completeDiscard,
  setTrustMode,
  syncCurrentUserId,
} from '../session/sessionStateAdapter'
import { setPlayerHandState, setPlayerMissingSuit, setPlayerReadyState, setPlayerTrusteeState } from '../store/gameStoreAdapter'
import type { PlayerHandlerApi, SocketHandlerContext } from '../types'

export function createPlayerHandlers(context: SocketHandlerContext): PlayerHandlerApi {
  function applyPlayerReadyState(playerId: string, ready: boolean): void {
    setPlayerReadyState(context.gameStore, playerId, ready)
  }

  function syncReadyStatesFromRoomUpdate(payload: RoomPlayerUpdatePayload): void {
    if (!Array.isArray(payload.players)) {
      return
    }

    for (const item of payload.players) {
      const playerId =
        (typeof item.PlayerID === 'string' && item.PlayerID) ||
        (typeof item.player_id === 'string' && item.player_id) ||
        ''
      const ready =
        typeof item.Ready === 'boolean'
          ? item.Ready
          : typeof item.ready === 'boolean'
            ? item.ready
            : typeof item.is_ready === 'boolean'
              ? item.is_ready
              : undefined

      if (!playerId || typeof ready !== 'boolean') {
        continue
      }

      applyPlayerReadyState(playerId, ready)
    }
  }

  function handlePlayerHandResponse(message: unknown): void {
    const source = asRecord(message)
    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'PLAYER_HAND') {
      return
    }

    const payload = asRecord(source.payload)
    if (!payload) {
      return
    }

    syncCurrentUserId(context.session, readString(source, 'target'))
    const roomId = readString(payload, 'room_id', 'roomId') || readString(source, 'roomId')
    if (roomId && context.gameStore.roomId && roomId !== context.gameStore.roomId) {
      return
    }

    const handTiles = normalizeTiles(payload.hand)
    if (!context.session.loggedInUserId.value || handTiles.length === 0) {
      return
    }

    clearTurnPending(context.session)
    setPlayerHandState(context.gameStore, context.session.loggedInUserId.value, handTiles)
    clearDingQuePending(context.session)

    completeDiscard(context.session)
    if (context.gameStore.phase !== 'waiting') {
      clearStartGamePending(context.session)
    }
  }

  function syncTrusteeState(payload: RoomTrusteePayload): void {
    const playerId =
      (typeof payload.player_id === 'string' && payload.player_id) ||
      (typeof payload.playerId === 'string' && payload.playerId) ||
      ''
    if (!playerId) {
      return
    }

    const trustee = typeof payload.trustee === 'boolean' ? payload.trustee : true
    setPlayerTrusteeState(context.gameStore, playerId, trustee)
    if (playerId === context.session.loggedInUserId.value) {
      setTrustMode(context.session, trustee)
    }

  }

  function handleReadyStateResponse(message: unknown): void {
    const source = asRecord(message)
    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'PLAYER_READY') {
      return
    }

    const payload = asRecord(source.payload)
    if (!payload) {
      return
    }

    const roomId = typeof payload.room_id === 'string' ? payload.room_id : readString(source, 'roomId')
    const userId =
      (typeof payload.player_id === 'string' && payload.player_id) ||
      (typeof payload.user_id === 'string' && payload.user_id) ||
      readString(source, 'target')
    const ready = readBoolean(payload, 'is_ready', 'ready', 'Ready')

    if (roomId && roomId !== context.gameStore.roomId) {
      return
    }

    if (ready !== null && userId) {
      applyPlayerReadyState(userId, ready)
    }
    if (userId && userId === context.session.loggedInUserId.value) {
      clearReadyTogglePending(context.session)
    }
  }

  function handlePlayerDingQueResponse(message: unknown): void {
    const source = asRecord(message)
    if (!source || typeof source.type !== 'string' || normalizeWsType(source.type) !== 'PLAYER_DING_QUE') {
      return
    }

    const payload = asRecord(source.payload)
    if (!payload) {
      return
    }

    const roomId = readString(payload, 'room_id', 'roomId') || readString(source, 'roomId')
    if (roomId && roomId !== context.gameStore.roomId) {
      return
    }

    const userId =
      readString(payload, 'user_id', 'userId', 'player_id', 'playerId') || readString(source, 'target')
    const suit = readString(payload, 'suit', 'Suit')
    if (!userId || !suit) {
      return
    }

    setPlayerMissingSuit(context.gameStore, userId, suit)

    if (userId === context.session.loggedInUserId.value) {
      clearDingQuePending(context.session)
    }
  }

  return {
    applyPlayerReadyState,
    syncReadyStatesFromRoomUpdate,
    handlePlayerHandResponse,
    handleReadyStateResponse,
    handlePlayerDingQueResponse,
    syncTrusteeState,
  }
}