package handler

import (
	"spider/internal/model"

	"github.com/gin-gonic/gin"
	"gorm.io/gorm"
)

// NavSiteHandler handles nav site queries.
type NavSiteHandler struct {
	db *gorm.DB
}

// List returns nav sites with optional status filter and pagination.
// GET /nav-sites?status=&page=&page_size=
func (h *NavSiteHandler) List(c *gin.Context) {
	page, pageSize, offset := parsePage(c)

	query := h.db.Model(&model.NavSite{})
	if status := c.Query("status"); status != "" {
		query = query.Where("status = ?", status)
	}

	var total int64
	if err := query.Count(&total).Error; err != nil {
		Fail(c, 500, err.Error())
		return
	}

	var items []model.NavSite
	if err := query.Order("id DESC").Limit(pageSize).Offset(offset).Find(&items).Error; err != nil {
		Fail(c, 500, err.Error())
		return
	}

	PageOK(c, items, total, page, pageSize)
}