package common

import "math"

type PageRequest[T any] struct {
	Page    Pagination `json:"page"`
	OrderBy string     `json:"order_by"`
	Desc    bool       `json:"desc"`
	Query   T          `json:"query"`
}

type PageResponse[T any] struct {
	PageNum  int64 `json:"pageNum"`
	PageSize int64 `json:"pageSize"`
	Pages    int   `json:"pages"`
	Total    int   `json:"total"`
	Records  []T   `json:"records"`
}

func Page[T any](page Pagination, total int64, records []T) *PageResponse[T] {
	return &PageResponse[T]{
		PageNum:  page.PageNum,
		PageSize: page.PageSize,
		Pages:    int(math.Ceil(float64(total) / float64(page.PageSize))),
		Total:    int(total),
		Records:  records,
	}
}