package handler

import (
	"strconv"

	"github.com/gin-gonic/gin"

	"github.com/user-management-system/internal/pagination"
)

// parsePageAndSize extracts and validates page & page_size from query parameters.
// Returns page (>=1) and pageSize (clamped to [1, MaxPageSize]).
func parsePageAndSize(c *gin.Context) (page, pageSize int) {
	page, _ = strconv.Atoi(c.DefaultQuery("page", "1"))
	if page < 1 {
		page = 1
	}
	pageSize, _ = strconv.Atoi(c.DefaultQuery("page_size", strconv.Itoa(pagination.DefaultPageSize)))
	pageSize = pagination.ClampPageSize(pageSize)
	return
}