import axios from 'axios';
import { ApiEnvelope, MotionCard, MotionSession } from './types';

const API_BASE_URL = process.env.EXPO_PUBLIC_API_BASE_URL || '/api/app_order_box';
// 注意：MOTION_BASE 是相对于 axios baseURL 的路径，不要包含 API_BASE_URL 前缀
// 否则 axios 会双重拼接导致 404（如 /api/app_order_box/api/app_order_box/kits/...）
const MOTION_BASE = '/kits/motion_reminder';

const api = axios.create({
  baseURL: API_BASE_URL,
  timeout: 15000,
  headers: {
    'Content-Type': 'application/json',
  },
});

const formatError = (error: any): string => {
  if (error?.response) {
    return `服务器响应 ${error.response.status}: ${error.response.statusText}\n${JSON.stringify(error.response.data)}`;
  }
  if (error?.request) {
    return `服务器无响应: 无法连接到 ${API_BASE_URL}`;
  }
  if (error?.message) {
    return `请求错误: ${error.message}`;
  }
  return '未知错误';
};

export const motionReminderApi = {
  async listCards(): Promise<MotionCard[]> {
    try {
      const response = await api.get<ApiEnvelope<MotionCard[]>>(`${MOTION_BASE}/cards`);
      return response.data.data || [];
    } catch (error) {
      throw new Error(formatError(error));
    }
  },

  async saveCard(card: Partial<MotionCard>): Promise<MotionCard> {
    try {
      const response = card.id
        ? await api.put<ApiEnvelope<MotionCard>>(`${MOTION_BASE}/cards`, card)
        : await api.post<ApiEnvelope<MotionCard>>(`${MOTION_BASE}/cards`, card);
      if (!response.data.ok || !response.data.data) {
        throw new Error(response.data.error || '保存失败');
      }
      return response.data.data;
    } catch (error) {
      throw new Error(formatError(error));
    }
  },

  async deleteCard(id: string): Promise<void> {
    try {
      await api.delete(`${MOTION_BASE}/cards`, { params: { id } });
    } catch (error) {
      throw new Error(formatError(error));
    }
  },

  async listHistory(): Promise<MotionSession[]> {
    try {
      const response = await api.get<ApiEnvelope<MotionSession[]>>(`${MOTION_BASE}/history`);
      return response.data.data || [];
    } catch (error) {
      throw new Error(formatError(error));
    }
  },

  async startSession(card: MotionCard): Promise<MotionSession> {
    try {
      const response = await api.post<ApiEnvelope<MotionSession>>(`${MOTION_BASE}/sessions/start`, { card });
      if (!response.data.ok || !response.data.data) {
        throw new Error(response.data.error || '启动失败');
      }
      return response.data.data;
    } catch (error) {
      throw new Error(formatError(error));
    }
  },

  async syncSession(payload: Partial<MotionSession> & { id: string }): Promise<void> {
    try {
      await api.post(`${MOTION_BASE}/sessions/sync`, payload);
    } catch (error) {
      throw new Error(formatError(error));
    }
  },

  async finishSession(payload: Partial<MotionSession> & { id: string; status: 'completed' | 'stopped' }): Promise<void> {
    try {
      await api.post(`${MOTION_BASE}/sessions/finish`, payload);
    } catch (error) {
      throw new Error(formatError(error));
    }
  },
};