import type {
  Match3DClickConfirmation,
  Match3DClickItemRequest,
  Match3DClickItemResult,
  Match3DClickRejectReason,
  Match3DClickResponse,
  Match3DRunResponse,
  StopMatch3DRunRequest,
} from '../../../packages/shared/src/contracts/match3dRuntime';
import {
  type ApiRequestOptions,
  type ApiRetryOptions,
  requestJson,
} from '../apiClient';

const MATCH3D_RUNTIME_READ_RETRY: ApiRetryOptions = {
  maxRetries: 1,
  baseDelayMs: 120,
  maxDelayMs: 360,
};
const MATCH3D_RUNTIME_WRITE_RETRY: ApiRetryOptions = {
  maxRetries: 1,
  baseDelayMs: 120,
  maxDelayMs: 360,
  retryUnsafeMethods: true,
};
type Match3DRuntimeRequestOptions = Pick<
  ApiRequestOptions,
  'skipRefresh' | 'notifyAuthStateChange' | 'clearAuthOnUnauthorized'
>;

function normalizeRejectStatus(reason?: Match3DClickRejectReason | null) {
  switch (reason) {
    case 'snapshot_version_mismatch':
      return 'VersionConflict';
    case 'tray_full':
      return 'RejectedTrayFull';
    case 'run_not_active':
      return 'RunFinished';
    case 'item_not_found':
    case 'item_not_in_board':
      return 'RejectedAlreadyMoved';
    case 'item_not_clickable':
    default:
      return 'RejectedNotClickable';
  }
}

function mapClickConfirmation(
  request: Match3DClickItemRequest,
  confirmation: Match3DClickConfirmation,
): Match3DClickItemResult {
  return {
    status: confirmation.accepted
      ? 'Accepted'
      : normalizeRejectStatus(confirmation.rejectReason),
    run: confirmation.run,
    acceptedItemInstanceId: confirmation.accepted
      ? request.itemInstanceId
      : undefined,
    clearedItemInstanceIds: confirmation.clearedItemInstanceIds,
    failureReason: confirmation.run.failureReason,
  };
}

/**
 * 基于作品启动一局抓大鹅正式 run。
 */
export function startMatch3DRun(
  profileId: string,
  options: Match3DRuntimeRequestOptions = {},
) {
  return requestJson<Match3DRunResponse>(
    `/api/runtime/match3d/works/${encodeURIComponent(profileId)}/runs`,
    {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ profileId }),
    },
    '启动抓大鹅玩法失败',
    {
      retry: MATCH3D_RUNTIME_WRITE_RETRY,
      skipRefresh: options.skipRefresh,
      notifyAuthStateChange: options.notifyAuthStateChange,
      clearAuthOnUnauthorized: options.clearAuthOnUnauthorized,
    },
  );
}

/**
 * 读取抓大鹅运行态快照。
 */
export function getMatch3DRun(runId: string) {
  return requestJson<Match3DRunResponse>(
    `/api/runtime/match3d/runs/${encodeURIComponent(runId)}`,
    { method: 'GET' },
    '读取抓大鹅运行快照失败',
    { retry: MATCH3D_RUNTIME_READ_RETRY },
  );
}

/**
 * 提交一次点击，由后端做权威确认；返回值适配运行壳已实现的即时反馈语义。
 */
export async function clickMatch3DItem(
  runId: string,
  payload: Match3DClickItemRequest,
) {
  const response = await requestJson<Match3DClickResponse>(
    `/api/runtime/match3d/runs/${encodeURIComponent(runId)}/click`,
    {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({
        ...payload,
        runId: payload.runId ?? runId,
      }),
    },
    '确认抓大鹅点击失败',
    { retry: MATCH3D_RUNTIME_WRITE_RETRY },
  );

  return mapClickConfirmation(payload, response.confirmation);
}

/**
 * 停止当前抓大鹅运行态。
 */
export function stopMatch3DRun(
  runId: string,
  payload: StopMatch3DRunRequest = {
    clientActionId: `match3d-stop-${Date.now()}`,
  },
) {
  return requestJson<Match3DRunResponse>(
    `/api/runtime/match3d/runs/${encodeURIComponent(runId)}/stop`,
    {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(payload),
    },
    '停止抓大鹅玩法失败',
    { retry: MATCH3D_RUNTIME_WRITE_RETRY },
  );
}

/**
 * 基于当前 run 重开一局。
 */
export function restartMatch3DRun(runId: string) {
  return requestJson<Match3DRunResponse>(
    `/api/runtime/match3d/runs/${encodeURIComponent(runId)}/restart`,
    { method: 'POST' },
    '重新开始抓大鹅玩法失败',
    { retry: MATCH3D_RUNTIME_WRITE_RETRY },
  );
}

/**
 * 前端倒计时归零后通知后端确认失败状态。
 */
export function finishMatch3DTimeUp(runId: string) {
  return requestJson<Match3DRunResponse>(
    `/api/runtime/match3d/runs/${encodeURIComponent(runId)}/time-up`,
    { method: 'POST' },
    '同步抓大鹅倒计时失败',
    { retry: MATCH3D_RUNTIME_WRITE_RETRY },
  );
}

export const match3dRuntimeClient = {
  clickItem: clickMatch3DItem,
  finishTimeUp: finishMatch3DTimeUp,
  getRun: getMatch3DRun,
  restartRun: restartMatch3DRun,
  startRun: startMatch3DRun,
  stopRun: stopMatch3DRun,
};