package com.mes.interaction.flow;

import com.mes.device.entity.DeviceConfig;
import com.mes.interaction.DeviceInteraction;
import com.mes.interaction.base.InteractionContext;
import com.mes.interaction.base.InteractionResult;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 大理片交互实现
 */
@Component
public class LargeGlassInteraction implements DeviceInteraction {

    @Override
    public String getDeviceType() {
        return DeviceConfig.DeviceType.LARGE_GLASS;
    }

    @Override
    public InteractionResult execute(InteractionContext context) {
        try {
            // 前置条件验证
            if (context.getCurrentDevice() == null) {
                return InteractionResult.fail("设备配置不存在");
            }

            // 检查大车设备是否完成
            Object source = context.getSharedData().get("glassesFromVehicle");
            List<String> glassQueue = castList(source);
            if (CollectionUtils.isEmpty(glassQueue)) {
                // 也尝试从上下文获取
                glassQueue = context.getLoadedGlassIds();
                if (CollectionUtils.isEmpty(glassQueue)) {
                    return InteractionResult.waitResult("等待大车设备输出", null);
                }
            }

            // 验证玻璃ID
            for (String glassId : glassQueue) {
                if (glassId == null || glassId.trim().isEmpty()) {
                    return InteractionResult.fail("玻璃ID不能为空");
                }
            }

            // 执行大理片处理
            List<String> processed = new ArrayList<>(glassQueue);
            context.setProcessedGlassIds(processed);
            context.getSharedData().put("processedGlasses", processed);
            context.getSharedData().put("largeGlassProcessTime", System.currentTimeMillis());

            // 后置条件检查
            if (context.getProcessedGlassIds().isEmpty()) {
                return InteractionResult.fail("大理片处理失败：处理后的玻璃ID列表为空");
            }

            Map<String, Object> data = new HashMap<>();
            data.put("processedCount", processed.size());
            data.put("processedGlasses", processed);
            data.put("deviceId", context.getCurrentDevice().getId());
            data.put("deviceCode", context.getCurrentDevice().getDeviceCode());
            return InteractionResult.success(data);
        } catch (Exception e) {
            return InteractionResult.fail("大理片交互执行异常: " + e.getMessage());
        }
    }

    @SuppressWarnings("unchecked")
    private List<String> castList(Object value) {
        if (value instanceof List) {
            return (List<String>) value;
        }
        return null;
    }
}