const BaseHandler = require('./baseHandler');
const ConfigManager = require('../services/configManager');
const command = require('../core/command');
const config = require('../infrastructure/config');

/**
 * 自动搜索处理器
 * 负责搜索职位列表
 */
class SearchHandler extends BaseHandler {
    /**
     * 处理自动搜索任务
     * @param {object} task - 任务对象
     * @returns {Promise<object>} 执行结果
     */
    async handle(task) {
        return await this.execute(task, async () => {
            return await this.doSearch(task);
        }, {
            checkAuth: true,
            checkOnline: true,
            recordDeviceMetrics: true
        });
    }

    /**
     * 执行搜索逻辑
     */
    async doSearch(task) {
        const { sn_code, taskParams } = task;
        const { keyword, platform = 'boss', pageCount = 3 } = taskParams;

        console.log(`[自动搜索] 开始 - 设备: ${sn_code}, 关键词: ${keyword}`);

        // 1. 获取账户配置
        const accountConfig = await this.getAccountConfig(sn_code, ['keyword', 'platform_type', 'search_config']);

        if (!accountConfig) {
            return {
                jobsFound: 0,
                message: '未找到账户配置'
            };
        }

        // 2. 解析搜索配置
        const searchConfig = ConfigManager.parseSearchConfig(accountConfig.search_config);

        // 3. 检查搜索时间范围
        const timeRange = ConfigManager.getTimeRange(searchConfig);
        if (timeRange) {
            const timeRangeValidator = require('../services/timeRangeValidator');
            const timeCheck = timeRangeValidator.checkTimeRange(timeRange);

            if (!timeCheck.allowed) {
                return {
                    jobsFound: 0,
                    message: timeCheck.reason
                };
            }
        }

        // 4. 创建搜索指令
        const searchCommand = {
            command_type: 'getJobList',
            command_name: `自动搜索职位 - ${keyword || accountConfig.keyword}`,
            command_params: JSON.stringify({
                sn_code,
                keyword: keyword || accountConfig.keyword || '',
                platform: platform || accountConfig.platform_type || 'boss',
                pageCount: pageCount || searchConfig.page_count || 3
            }),
            priority: config.getTaskPriority('search_jobs') || 8
        };

        // 5. 执行搜索指令
        const result = await command.executeCommands(task.id, [searchCommand], this.mqttClient);

        console.log(`[自动搜索] 完成 - 设备: ${sn_code}, 结果: ${JSON.stringify(result)}`);

        return {
            jobsFound: result.jobCount || 0,
            message: '搜索完成'
        };
    }
}

module.exports = SearchHandler;