package model

import (
	"strconv"
)

type PageButton struct {
	Content  string
	Active   bool
	Disabled bool
}

type PaginationViewModel []PageButton

func NewPaginationViewModel(currentPage uint, totalPages uint) *PaginationViewModel {
	pagVM := make(PaginationViewModel, 0)

	if totalPages > 1 {
		pagVM = append(pagVM, PageButton{"1", currentPage == 1, false})
	}
	if currentPage > 3 {
		pagVM = append(pagVM, PageButton{"...", false, true})
	}
	for i := max(2, currentPage-1); i <= min(totalPages-1, currentPage+1); i++ {
		pagVM = append(pagVM, PageButton{strconv.Itoa(int(i)), i == currentPage, false})
	}
	if currentPage < totalPages-2 {
		pagVM = append(pagVM, PageButton{"...", false, true})
	}
	if totalPages > 1 {
		pagVM = append(pagVM, PageButton{strconv.Itoa(int(totalPages)), totalPages == currentPage, false})
	}

	return &pagVM
}