async function getCountries() {
    try {
        const response = await fetch(
            'https://ups.weiyida56.net/api/ups/remote-zip/2026/countries'
        );
        const data = await response.json();
        
        if (data.code === 200) {
            console.log('国家列表:', data.data.list);
            return data.data.list;
        }
    } catch (error) {
        console.error('请求失败:', error);
    }
}

// 调用示例
getCountries();

async function queryPostalCode(iataCode, postalCode) {
    try {
        const url = 
            `https://ups.weiyida56.net/api/ups/remote-zip/2026/query?iata_code=${iataCode}&postal_code=${encodeURIComponent(postalCode)}`;
        const response = await fetch(url);
        const data = await response.json();
        
        if (data.code === 200) {
            const result = data.data;
            console.log('查询结果:', result);
            
            if (result.is_remote) {
                console.log('该邮编属于偏远地区');
            } else if (result.is_extended) {
                console.log('该邮编属于扩展地区');
            } else {
                console.log('该邮编属于正常地区');
            }
            
            return result;
        } else {
            console.error('查询失败:', data.msg);
        }
    } catch (error) {
        console.error('请求失败:', error);
    }
}

// 使用示例
queryPostalCode('AU', '0822');

async function batchQuery(iataCode, postalCodes) {
    try {
        const url = 
            'https://ups.weiyida56.net/api/ups/remote-zip/2026/batch-query';
        const response = await fetch(url, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({
                iata_code: iataCode,
                postal_codes: postalCodes
            })
        });
        const data = await response.json();
        
        if (data.code === 200) {
            const result = data.data;
            console.log('总查询数:', result.total);
            console.log('偏远/扩展数:', result.remote_count);
            console.log('详细结果:', result.list);
            
            return result;
        } else {
            console.error('查询失败:', data.msg);
        }
    } catch (error) {
        console.error('请求失败:', error);
    }
}

// 使用示例
batchQuery('AU', ['0822', '2563', '2000', '3139']);

async function getCountryZips(iataCode, page = 1, size = 50) {
    try {
        const url = 
            `https://ups.weiyida56.net/api/ups/remote-zip/2026/country-zips?iata_code=${iataCode}&page=${page}&size=${size}`;
        const response = await fetch(url);
        const data = await response.json();
        
        if (data.code === 200) {
            const result = data.data;
            console.log('国家:', result.country_name);
            console.log('总记录数:', result.total);
            console.log('当前页:', result.page);
            console.log('邮编范围列表:', result.list);
            
            return result;
        } else {
            console.error('获取失败:', data.msg);
        }
    } catch (error) {
        console.error('请求失败:', error);
    }
}

// 使用示例 - 获取第一页
getCountryZips('AU', 1, 50);