package com.iot.gateway.admin;

import com.iot.gateway.common.Result;
import com.iot.gateway.mcp.McpToolRegistry;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@Tag(name = "网关运行状态与能力目录")
@RestController
@RequestMapping("/open/gateway")
public class OpenGatewayInfoController {

    @Autowired
    private McpToolRegistry toolRegistry;

    @Operation(summary = "网关健康检查探针")
    @GetMapping("/health")
    public Result<Map<String, Object>> health() {
        return Result.success(Map.of(
                "status", "ONLINE",
                "service", "iot-open-gateway",
                "timestamp", System.currentTimeMillis()
        ));
    }

    @Operation(summary = "拉取可用能力目录 (MCP Tools 与 OpenAPI)")
    @GetMapping("/catalog")
    public Result<Map<String, Object>> catalog() {
        List<Map<String, Object>> tools = toolRegistry.getToolDefinitions();
        List<String> apis = List.of(
                "GET  /open/v1/devices              (租户设备台账与状态)",
                "GET  /open/v1/devices/{id}         (单设备详情与点位定义)",
                "GET  /open/v1/telemetry/latest     (设备最新实时工况召测)",
                "GET  /open/v1/telemetry/history    (时序历史遥测点位拉取)",
                "POST /open/v1/commands             (设备控制指令反写下发)",
                "GET  /open/v1/alarms               (故障报警检索与确认)"
        );

        return Result.success(Map.of(
                "status", "ONLINE",
                "mcpEndpoint", "/mcp/sse",
                "tokenEndpoint", "/oauth2/token",
                "toolCount", tools.size(),
                "tools", tools,
                "openApis", apis
        ));
    }
}