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

/**
 * 自动沟通处理器
 * 负责自动回复HR消息
 */
class ChatHandler extends BaseHandler {
    /**
     * 处理自动沟通任务
     * @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.doChat(task);
        }, {
            checkAuth: true,
            checkOnline: true,
            recordDeviceMetrics: true
        });
    }

    /**
     * 执行沟通逻辑
     */
    async doChat(task) {
        const { sn_code, taskParams } = task;
        const { platform = 'boss' } = taskParams;

        console.log(`[自动沟通] 开始 - 设备: ${sn_code}`);

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

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

        // 2. 解析沟通策略配置
        const chatStrategy = ConfigManager.parseChatStrategy(accountConfig.chat_strategy);

        // 3. 检查沟通时间范围
        const timeRange = ConfigManager.getTimeRange(chatStrategy);
        if (timeRange) {
            const timeRangeValidator = require('../services/timeRangeValidator');
            const timeCheck = timeRangeValidator.checkTimeRange(timeRange);

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

        // 4. 创建自动沟通 AI 指令（内部会先获取列表，再获取详情并自动回复）
        const chatCommand = {
            command_type: 'auto_chat_ai',
            command_name: 'auto_chat_ai',
            command_params: {
                platform: platform || accountConfig.platform_type || 'boss',
                pageCount: chatStrategy.page_count || 3
            },
            priority: config.getTaskPriority('auto_chat') || 6
        };

        // 5. 执行指令（任务队列会保证该设备内串行执行，不并发下发指令）
        const exec_result = await command.executeCommands(task.id, [chatCommand], this.mqttClient);
        const first = exec_result && Array.isArray(exec_result.results) && exec_result.results[0]
            ? exec_result.results[0].result || {}
            : {};

        console.log(`[自动沟通] 完成 - 设备: ${sn_code}`);

        return {
            chatCount: first.replied_count || 0,
            message: first.message || '自动沟通完成',
            detail: first
        };
    }
}

module.exports = ChatHandler;