/**
 * 资源利用率分析 API 服务
 * 用于对接后端接口，处理数据请求和响应
 */

class ResourceApiService {
    constructor() {
        this.baseUrl = 'http://127.0.0.1:13030/zhgd/screen/api/resource';
        this.token = token || localStorage.getItem('token'); // 假设token已经全局定义
        this.projectId = parent.$('#bidPro').val() || 'default_project'; // 获取当前项目ID
    }

    /**
     * 通用请求方法
     */
    async request(url, options = {}) {
        const defaultOptions = {
            method: 'GET',
            headers: {
                'Authorization': `Bearer ${this.token}`,
                'Content-Type': 'application/json',
                'decrypt': 'decrypt' // 项目中的解密标识
            }
        };

        const config = { ...defaultOptions, ...options };
        
        try {
            const response = await fetch(url, config);
            const result = await response.json();
            
            // 根据项目中的数据处理逻辑进行解密等处理
            const processedData = modifyResponseData(result);
            
            if (processedData.code === 200) {
                return processedData.data;
            } else {
                throw new Error(processedData.message || '请求失败');
            }
        } catch (error) {
            console.error('API请求失败:', error);
            // 返回模拟数据作为降级方案
            return this.getFallbackData(url);
        }
    }

    /**
     * 获取资源利用率概览数据
     */
    async getResourceOverview(timeRange = 'today') {
        const url = `${this.baseUrl}/overview?projectId=${this.projectId}&timeRange=${timeRange}`;
        return await this.request(url);
    }

    /**
     * 获取资源详细信息列表
     */
    async getResourceDetails(resourceType = '', page = 1, pageSize = 20) {
        let url = `${this.baseUrl}/details?projectId=${this.projectId}&page=${page}&pageSize=${pageSize}`;
        if (resourceType) {
            url += `&resourceType=${resourceType}`;
        }
        return await this.request(url);
    }

    /**
     * 获取资源利用率趋势数据
     */
    async getResourceTrends(startDate, endDate, granularity = 'day') {
        // 如果没有传入日期，默认获取最近7天
        if (!startDate || !endDate) {
            // 使用数据库中更新后的日期范围
            startDate = '2025-03-07';
            endDate = '2025-03-14';
        }
        
        const url = `${this.baseUrl}/trends?projectId=${this.projectId}&startDate=${startDate}&endDate=${endDate}&granularity=${granularity}`;
        console.log('趋势数据请求URL:', url); // 调试日志
        
        try {
            const result = await this.request(url);
            console.log('趋势数据API返回:', result); // 调试日志
            return result;
        } catch (error) {
            console.error('获取趋势数据失败:', error);
            // 返回降级数据
            return this.getFallbackData(url);
        }
    }

    /**
     * 获取资源利用率分布数据
     */
    async getResourceDistribution(date = '') {
        let url = `${this.baseUrl}/distribution?projectId=${this.projectId}`;
        if (date) {
            url += `&date=${date}`;
        }
        return await this.request(url);
    }

    /**
     * 获取优化建议
     */
    async getOptimizationSuggestions(limit = 5) {
        const url = `${this.baseUrl}/suggestions?projectId=${this.projectId}&limit=${limit}`;
        return await this.request(url);
    }

    /**
     * 获取实时资源状态
     */
    async getRealtimeStatus(lastUpdateTime = '') {
        let url = `${this.baseUrl}/realtime?projectId=${this.projectId}`;
        if (lastUpdateTime) {
            url += `&lastUpdateTime=${lastUpdateTime}`;
        }
        return await this.request(url);
    }

    /**
     * 获取降级数据（当API调用失败时使用）
     */
    getFallbackData(url) {
        console.warn('使用降级数据:', url);
        
        if (url.includes('/overview')) {
            return {
                overallStats: {
                    totalRate: 85.2,
                    personnelRate: 100.0,
                    equipmentRate: 82.3,
                    materialRate: 84.8
                },
                resourceOverview: {
                    personnel: { count: 0, rate: 88.5, status: "normal" },
                    equipment: { count: 0, rate: 82.3, status: "normal" },
                    material: { count: 89, rate: 84.8, status: "normal" },
                    energy: { count: 76, rate: 91.2, status: "normal" }
                }
            };
        }
        
        if (url.includes('/details')) {
            return {
                total: 15,
                list: [
                    { id: "001", type: "人员", name: "土建班组", status: "rest", rate: 100.0, assessment: "良好", location: "1号楼3层" },
                    { id: "002", type: "人员", name: "钢筋班组", status: "rest", rate: 100.0, assessment: "良好", location: "2号楼1层" },
                    { id: "003", type: "人员", name: "混凝土班组", status: "rest", rate: 100.0, assessment: "良好", location: "休息区" },
                    { id: "004", type: "设备", name: "塔吊-T1", status: "offline", rate: 89.3, assessment: "优秀", location: "施工区域A" },
                    { id: "005", type: "设备", name: "挖掘机-H2", status: "offline", rate: 78.6, assessment: "一般", location: "施工区域B" },
                    { id: "006", type: "设备", name: "混凝土泵车", status: "offline", rate: 76.4, assessment: "一般", location: "维护区" },
                    { id: "007", type: "设备", name: "起重机-T1", status: "offline", rate: 0, assessment: "较差", location: "停车场" },
                    { id: "008", type: "材料", name: "钢筋", status: "low_stock", rate: 91.2, assessment: "优秀", location: "材料仓库" },
                    { id: "009", type: "材料", name: "混凝土", status: "low_stock", rate: 83.5, assessment: "良好", location: "材料仓库" },
                    { id: "010", type: "材料", name: "砂石料", status: "low_stock", rate: 79.8, assessment: "一般", location: "材料仓库" },
                    { id: "011", type: "材料", name: "水泥", status: "low_stock", rate: 65.2, assessment: "较差", location: "材料仓库" },
                    { id: "012", type: "能源", name: "电力系统", status: "standby", rate: 93.1, assessment: "优秀", location: "配电房" },
                    { id: "013", type: "能源", name: "柴油储备", status: "standby", rate: 88.4, assessment: "良好", location: "油库" },
                    { id: "014", type: "能源", name: "天然气", status: "standby", rate: 85.6, assessment: "良好", location: "气站" },
                    { id: "015", type: "能源", name: "备用电源", status: "standby", rate: 100, assessment: "优秀", location: "备用机房" }
                ]
            };
        }
        
        if (url.includes('/trends')) {
            return {
                dates: ['2025-03-07', '2025-03-08', '2025-03-09', '2025-03-10', '2025-03-11', '2025-03-12', '2025-03-13'],
                trends: {
                    personnel: [100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0],
                    equipment: [78.9, 80.3, 82.1, 81.7, 82.3, 83.1, 82.3],
                    material: [82.1, 83.5, 84.2, 84.8, 85.1, 84.6, 84.8],
                    energy: [89.5, 90.2, 91.2, 90.8, 91.5, 91.0, 91.2]
                }
            };
        }
        
        if (url.includes('/distribution')) {
            return [
                { name: "人员", value: 100.0, color: "#16baaa" },
                { name: "设备", value: 82.3, color: "#20d3c2" },
                { name: "材料", value: 84.8, color: "#25e5d0" },
                { name: "能源", value: 91.2, color: "#2af0dd" }
            ];
        }
        
        if (url.includes('/suggestions')) {
            return [
                {
                    id: "001",
                    title: "设备调度优化",
                    description: "挖掘机-H2利用率偏低，建议调整作业计划，提高设备运转效率",
                    priority: "高优先级",
                    category: "equipment"
                },
                {
                    id: "002", 
                    title: "材料库存管理",
                    description: "砂石料库存不足，建议提前采购补充，避免影响施工进度",
                    priority: "中优先级",
                    category: "material"
                }
            ];
        }
        
        return {};
    }

    /**
     * 数据转换方法 - 将API返回的数据转换为前端需要的格式
     */
    transformOverviewData(apiData) {
        return {
            overallStats: apiData.overallStats,
            resourceOverview: apiData.resourceOverview
        };
    }

    transformDetailsData(apiData) {
        return {
            total: apiData.total,
            list: apiData.list.map(item => ({
                type: item.type,
                name: item.name,
                status: item.status,
                rate: item.rate,
                assessment: item.assessment
            }))
        };
    }

    transformTrendsData(apiData) {
        // 兼容不同的后端数据格式
        if (apiData.trends) {
            // 格式1: { dates: [], trends: { personnel: [], equipment: [], material: [], energy: [] } }
            return {
                dates: apiData.dates,
                trends: {
                    personnel: apiData.trends.personnel,
                    equipment: apiData.trends.equipment,
                    material: apiData.trends.material,
                    energy: apiData.trends.energy
                }
            };
        } else {
            // 格式2: { dates: [], personnel: [], equipment: [], material: [], energy: [] }
            return {
                dates: apiData.dates,
                personnel: apiData.personnel,
                equipment: apiData.equipment,
                material: apiData.material,
                energy: apiData.energy
            };
        }
    }

    transformDistributionData(apiData) {
        return apiData.map(item => ({
            name: item.name,
            value: item.value,
            color: item.color
        }));
    }

    transformSuggestionsData(apiData) {
        return apiData.map(item => ({
            title: item.title,
            description: item.description,
            priority: item.priority
        }));
    }
}

// 创建全局API服务实例
window.resourceApiService = new ResourceApiService();