package v1

import (
	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/internal/dto"
	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/internal/service"
	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/pkg/app"
	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/pkg/errcode"
	"github.com/gin-gonic/gin"
)

// DashboardHandler 仪表盘统计接口。
type DashboardHandler struct {
	svc *service.DashboardService
}

// NewDashboardHandler 创建仪表盘 handler。
func NewDashboardHandler() *DashboardHandler {
	return &DashboardHandler{svc: service.NewDashboardService()}
}

// Summary 仪表盘核心指标。
func (h *DashboardHandler) Summary(c *gin.Context) {
	response := app.NewResponse(c)
	out, e := h.svc.Summary(c.Request.Context())
	if e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(out)
}

// Trend 近 N 天趋势。
func (h *DashboardHandler) Trend(c *gin.Context) {
	response := app.NewResponse(c)
	var request dto.TrendRequest
	if err := c.ShouldBindQuery(&request); err != nil {
		response.ToErrorResponse(errcode.InvalidParams.WithDetails(err.Error()))
		return
	}
	out, e := h.svc.Trends(c.Request.Context(), request.Days)
	if e != nil {
		response.ToErrorResponse(e)
		return
	}
	response.ToResponse(out)
}