package monitor

import (
	"errors"

	"git.huangwc.com/pig/pig-farm-controller/internal/app/controller"
	"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
	"git.huangwc.com/pig/pig-farm-controller/internal/app/service"
	"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
	"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
	"github.com/gin-gonic/gin"
)

// Controller 监控控制器，封装了所有与数据监控相关的业务逻辑
type Controller struct {
	monitorService *service.MonitorService
	logger         *logs.Logger
}

// NewController 创建一个新的监控控制器实例
func NewController(monitorService *service.MonitorService, logger *logs.Logger) *Controller {
	return &Controller{
		monitorService: monitorService,
		logger:         logger,
	}
}

// ListSensorData godoc
// @Summary      获取传感器数据列表
// @Description  根据提供的过滤条件，分页获取传感器数据
// @Tags         数据监控
// @Security     BearerAuth
// @Produce      json
// @Param        query query dto.ListSensorDataRequest true "查询参数"
// @Success      200 {object} controller.Response{data=dto.ListSensorDataResponse}
// @Router       /api/v1/monitor/sensor-data [get]
func (c *Controller) ListSensorData(ctx *gin.Context) {
	const actionType = "获取传感器数据列表"

	// --- 绑定并校验查询参数 ---
	var req dto.ListSensorDataRequest
	if err := ctx.ShouldBindQuery(&req); err != nil {
		c.logger.Errorf("%s: 参数绑定失败: %v", actionType, err)
		controller.SendErrorWithAudit(ctx, controller.CodeBadRequest, "无效的查询参数: "+err.Error(), actionType, "参数绑定失败", req)
		return
	}

	// --- 将请求 DTO 转换为仓库层需要的 Options 结构体 ---
	opts := repository.SensorDataListOptions{
		DeviceID:  req.DeviceID,
		OrderBy:   req.OrderBy,
		StartTime: req.StartTime,
		EndTime:   req.EndTime,
	}
	if req.SensorType != nil {
		sensorType := models.SensorType(*req.SensorType)
		opts.SensorType = &sensorType
	}

	// --- 调用服务层 ---
	data, total, err := c.monitorService.ListSensorData(opts, req.Page, req.PageSize)
	if err != nil {
		// --- 错误处理：区分参数错误和内部错误 ---
		if errors.Is(err, repository.ErrInvalidPagination) {
			c.logger.Warnf("%s: 无效的分页参数: %v", actionType, err)
			controller.SendErrorWithAudit(ctx, controller.CodeBadRequest, "无效的分页参数: "+err.Error(), actionType, "无效分页参数", req)
			return
		}

		// 其他未知错误按内部错误处理
		c.logger.Errorf("%s: 服务层查询失败: %v", actionType, err)
		controller.SendErrorWithAudit(ctx, controller.CodeInternalError, "获取传感器数据失败: "+err.Error(), actionType, "服务层查询失败", req)
		return
	}

	// --- 构建并发送成功响应 ---
	resp := dto.NewListSensorDataResponse(data, total, req.Page, req.PageSize)
	c.logger.Infof("%s: 成功, 获取到 %d 条记录, 总计 %d 条", actionType, len(data), total)
	controller.SendSuccessWithAudit(ctx, controller.CodeSuccess, "获取传感器数据成功", resp, actionType, "获取传感器数据成功", req)
}