(function() {
    window.uni = window.uni || {};

    // 1. Network Requests
    uni.request = function(options) {
        let headers = options.header || {};
        let body = undefined;
        let url = options.url;

        // Handle Content-Type and Body
        if (options.method === 'POST') {
            if (!headers['Content-Type']) {
                headers['Content-Type'] = 'application/json';
            }

            if (headers['Content-Type'].includes('application/x-www-form-urlencoded')) {
                if (options.data) {
                    body = Object.keys(options.data)
                        .map(key => `${encodeURIComponent(key)}=${encodeURIComponent(options.data[key])}`)
                        .join('&');
                }
            } else {
                // Default to JSON
                if (options.data) {
                    body = JSON.stringify(options.data);
                }
            }
        } else if (options.method === 'GET' && options.data) {
             // Append query params for GET
            const queryString = Object.keys(options.data)
                .map(key => `${encodeURIComponent(key)}=${encodeURIComponent(options.data[key])}`)
                .join('&');
            url += (url.includes('?') ? '&' : '?') + queryString;
        }

        fetch(url, {
            method: options.method || 'GET',
            headers: headers,
            body: body
        })
        .then(response => {
            // You might want to handle non-200 status codes here if needed, 
            // but uni.request success callback usually fires even for 4xx/5xx 
            // with the statusCode in the result.
            return response.json().then(data => ({
                data: data,
                statusCode: response.status,
                header: response.headers
            })).catch(() => ({
                data: null, // or text
                statusCode: response.status,
                header: response.headers
            }));
        })
        .then(res => {
            if (options.success) {
                options.success(res);
            }
        })
        .catch(err => {
            console.error('uni.request error:', err);
            if (options.fail) {
                options.fail(err);
            }
        });
    };

    // 2. Storage
    uni.setStorageSync = function(key, data) {
        try {
            // uniApp stores data as is, but localStorage only supports strings.
            // We wrap it to handle types like numbers or booleans correctly upon retrieval if we wanted to match uni strictly,
            // but JSON.stringify is the standard web way.
            window.localStorage.setItem(key, JSON.stringify(data));
        } catch (e) {
            console.error('setStorageSync error', e);
        }
    };

    uni.getStorageSync = function(key) {
        try {
            const value = window.localStorage.getItem(key);
            if (value === null) return ''; // uniApp returns empty string if not found
            return JSON.parse(value);
        } catch (e) {
            return window.localStorage.getItem(key); // Fallback for non-JSON
        }
    };
    
    uni.setStorage = function(obj) {
        try {
            uni.setStorageSync(obj.key, obj.data);
            if(obj.success) obj.success();
        } catch(e) {
            if(obj.fail) obj.fail(e);
        }
    }

    uni.getStorage = function(obj) {
        try {
            const res = uni.getStorageSync(obj.key);
            if(obj.success) obj.success({ data: res });
        } catch(e) {
            if(obj.fail) obj.fail(e);
        }
    }
    
    uni.removeStorageSync = function(key) {
        window.localStorage.removeItem(key);
    }

    // 3. Interaction
    uni.showToast = function(options) {
        // Simple alert or console log for now. 
        // In a real implementation, creating a DOM element for toast is better.
        // const title = options.title || '';
        // const icon = options.icon || 'none';
        // console.log(`[Toast] ${title} (${icon})`);
        // // alert(title); // Alert is too intrusive
        
        // Create a simple custom toast
        const toast = document.createElement('div');
        toast.style.position = 'fixed';
        toast.style.top = '50%';
        toast.style.left = '50%';
        toast.style.transform = 'translate(-50%, -50%)';
        toast.style.backgroundColor = 'rgba(0,0,0,0.7)';
        toast.style.color = '#fff';
        toast.style.padding = '10px 20px';
        toast.style.borderRadius = '5px';
        toast.style.zIndex = '9999';
        toast.innerText = options.title;
        document.body.appendChild(toast);
        setTimeout(() => {
            document.body.removeChild(toast);
        }, options.duration || 1500);
    };
    
    uni.showLoading = function(options) {
        // console.log('[Loading]', options);
    }
    
    uni.hideLoading = function() {
        // console.log('[HideLoading]');
    }

    // 4. Navigation
    uni.navigateTo = function(options) {
        window.location.href = options.url;
    };
    
    // 5. System Info
    uni.getSystemInfoSync = function() {
        return {
            appVersion: '1.0.0', // Mock
            platform: 'devtools' // Mock
        };
    };

    // 6. Global App Object Mock
    window.getApp = function() {
        return {
            globalData: {
                defaultMatchLogo: 'https://orienteering.beswell.com/card/nanning/logo.png' // Placeholder
            },
            $cardconfigType: 'remote'
        };
    };

    // 7. App Action Helper (Mocking native bridge)
    window.appAction = function(url, actType) {
        console.log('[appAction]', url);
        if (url.startsWith('action://')) {
            if (url.includes('to_login')) {
                alert('请先登录 (模拟跳转)');
            } else if (url.includes('to_home')) {
                window.location.href = 'index.html';
            } else if (url.includes('to_detail')) {
                 // Extract ID if possible or just alert
                 alert('正在进入比赛... (模拟跳转)');
            }
        } else {
             window.location.href = url;
        }
    };

})();