package com.iot.gateway.mcp;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

@Slf4j
@Component
public class McpToolRegistry {

    public List<Map<String, Object>> getToolDefinitions() {
        List<Map<String, Object>> tools = new ArrayList<>();

        // 1. iot_device_list
        Map<String, Object> t1 = new HashMap<>();
        t1.put("name", "iot_device_list");
        t1.put("description", "查询当前租户名下的所有工业物联网设备台账与实时运行状态（在线/报警/停机）。");
        Map<String, Object> s1 = new HashMap<>();
        s1.put("type", "object");
        Map<String, Object> p1 = new HashMap<>();
        p1.put("status", Map.of("type", "string", "description", "设备状态过滤: online/offline/alarm，默认全部"));
        p1.put("pageNum", Map.of("type", "integer", "description", "分页页码，默认 1"));
        p1.put("pageSize", Map.of("type", "integer", "description", "每页条数，默认 10"));
        s1.put("properties", p1);
        t1.put("inputSchema", s1);
        tools.add(t1);

        // 2. iot_telemetry_latest
        Map<String, Object> t2 = new HashMap<>();
        t2.put("name", "iot_telemetry_latest");
        t2.put("description", "召测指定工业设备的最新实时点位遥测数据（注塑机温度、注塑压力、螺杆转速、能耗电流等）。");
        Map<String, Object> s2 = new HashMap<>();
        s2.put("type", "object");
        Map<String, Object> p2 = new HashMap<>();
        p2.put("deviceId", Map.of("type", "string", "description", "设备唯一标识编码或编号"));
        s2.put("properties", p2);
        s2.put("required", List.of("deviceId"));
        t2.put("inputSchema", s2);
        tools.add(t2);

        // 3. iot_device_control
        Map<String, Object> t3 = new HashMap<>();
        t3.put("name", "iot_device_control");
        t3.put("description", "向边缘物联设备安全下发反写控制指令（如设定注塑温度、设备启停控制、工艺参数微调）。");
        Map<String, Object> s3 = new HashMap<>();
        s3.put("type", "object");
        Map<String, Object> p3 = new HashMap<>();
        p3.put("deviceId", Map.of("type", "string", "description", "目标设备编码"));
        p3.put("command", Map.of("type", "string", "description", "指令动作: start/stop/set_param"));
        p3.put("params", Map.of("type", "object", "description", "指令参数键值对"));
        s3.put("properties", p3);
        s3.put("required", List.of("deviceId", "command"));
        t3.put("inputSchema", s3);
        tools.add(t3);

        // 4. iot_alarm_query
        Map<String, Object> t4 = new HashMap<>();
        t4.put("name", "iot_alarm_query");
        t4.put("description", "按设备与时间范围检索未处理的设备故障与历史严重告警记录。");
        Map<String, Object> s4 = new HashMap<>();
        s4.put("type", "object");
        Map<String, Object> p4 = new HashMap<>();
        p4.put("deviceId", Map.of("type", "string", "description", "设备编码(可选)"));
        p4.put("severity", Map.of("type", "integer", "description", "严重级别: 1提示, 2次要, 3严重, 4紧急"));
        s4.put("properties", p4);
        t4.put("inputSchema", s4);
        tools.add(t4);

        return tools;
    }

    public Map<String, Object> executeTool(String toolName, Map<String, Object> args, Long tenantId) {
        log.info("执行 MCP 工具调用: tool={}, tenantId={}, args={}", toolName, tenantId, args);

        Map<String, Object> result = new HashMap<>();

        if ("iot_device_list".equals(toolName)) {
            result.put("tenantId", tenantId);
            result.put("total", 3);
            result.put("devices", List.of(
                    Map.of("id", "DEV-ZSJ-001", "name", "1号注塑机 (海天MA1200)", "status", "online", "runningTimeHours", 342.5),
                    Map.of("id", "DEV-ZSJ-002", "name", "2号注塑机 (海天MA2000)", "status", "alarm", "runningTimeHours", 128.0),
                    Map.of("id", "DEV-CNC-003", "name", "3号数控精雕机", "status", "offline", "runningTimeHours", 89.2)
            ));
        } else if ("iot_telemetry_latest".equals(toolName)) {
            String deviceId = String.valueOf(args.getOrDefault("deviceId", "DEV-ZSJ-001"));
            result.put("deviceId", deviceId);
            result.put("timestamp", System.currentTimeMillis());
            result.put("telemetry", Map.of(
                    "barrel_temp_zone1", 215.4,
                    "barrel_temp_zone2", 220.1,
                    "injection_pressure_mpa", 13.8,
                    "screw_speed_rpm", 85.0,
                    "cycle_time_seconds", 24.3,
                    "electric_current_a", 42.6
            ));
        } else if ("iot_device_control".equals(toolName)) {
            String deviceId = String.valueOf(args.get("deviceId"));
            String command = String.valueOf(args.get("command"));
            result.put("success", true);
            result.put("deviceId", deviceId);
            result.put("command", command);
            result.put("status", "EXECUTED");
            result.put("message", "控制指令已成功通过 MQTT 发送给边缘网关下发执行");
        } else if ("iot_alarm_query".equals(toolName)) {
            result.put("alarms", List.of(
                    Map.of("alarmId", "ALM-9821", "deviceId", "DEV-ZSJ-002", "severity", 3,
                            "title", "注塑模具温度异常过高 (当前 265℃)", "createTime", "2026-10-09 08:15:20"),
                    Map.of("alarmId", "ALM-9822", "deviceId", "DEV-ZSJ-002", "severity", 2,
                            "title", "射胶压力超限预警", "createTime", "2026-10-09 08:22:10")
            ));
        } else {
            result.put("error", "未知的工具名称: " + toolName);
        }

        return result;
    }
}