import axios,{type AxiosInstance,AxiosError} from 'axios';
import { type WeatherData } from '@/store/weatherStore';


const API_KEY = '0c4679ac2decfe6a756aa09e61f42dc1'; 
const BASE_URL = 'http://api.weatherstack.com';

const apiClient: AxiosInstance = axios.create({
    baseURL: BASE_URL,
    timeout: 10000,
    headers: {
        'Content-Type': 'application/json'
    }
});


apiClient.interceptors.request.use(
    (config) => {
        config.params = {...config.params, access_key: API_KEY };
        if (process.env.NODE_ENV === 'development'){
            console.log('API Request:', config.method ?.toUpperCase(), config.url);
        }
    return config;
    },
    (error) => {
        console.error('Request Error:' ,error);
        return Promise.reject(error);
    }
);

apiClient.interceptors.response.use(
    (response) => {
        if (response.data && response.data.error){
            const error = response.data.error;
            console.error('API Error:', error);
            throw new Error(error.info || '请求失效');
        }
        if (process.env.NODE_ENV === 'development'){
            console.log('API Response:', response.config.url,response.data);
        }
        return response;
    },
  (error :AxiosError)=>{

    console.error('Response Error:',error.message);
    if (error.response) { 
        const status = error.response.status;
        if (status === 404) {
            throw new Error('未找到该城市的天气信息');
        } else if (status === 401) {
            throw new Error('API认证失败，请检查API');
        } else if (status ===  403) {
            throw new Error('请检查API密钥是否正确');
        } 
    }
    else  if (error.request) {
        throw new Error('网络连接失败');
    }
    else {
       return (('配置错误'))
  }
  }
       
  
);

export class WeatherApi {
static async getCurrentWeather(city: string): Promise<WeatherData> {
  try {
    const response = await apiClient.get<WeatherData>('/current',{
      params:{query :city} ,
    });
    return response.data;
}catch (error){
  throw error;
}
}

}
export default WeatherApi;