package utils

import (
	"jannex/admin-dashboard-backend/modules/database"
	"jannex/admin-dashboard-backend/modules/structs"
	"math"
	"time"

	"github.com/gofiber/fiber/v2"
	"github.com/rs/zerolog/log"
	"gorm.io/gorm"
)

func GetXAuhorizationHeader(c *fiber.Ctx) string {
	return c.GetReqHeaders()[HeaderXAuthorization]
}

func GetXApiKeyHeader(c *fiber.Ctx) string {
	return c.GetReqHeaders()[HeaderXApiKey]
}

func GetSessionExpiresAtTime() time.Time {
	return time.Now().Add(time.Second * SessionExpiresAtTime)
}

func IsPasswordLengthValid(password string) bool {
	lenPassword := len(password)

	if lenPassword < MinPassword || lenPassword > MaxPassword {
		log.Error().Msg("Password length not valid")
		return false
	}

	return true
}

// GetTotalPages returns total pages for pagination
// Example whereQuery = "stock_item_id = ?" and args = stockItemId is Where("stock_item_id = ?", stockItemId)
func GetTotalPages(paginationLimit int, any interface{}, whereQuery interface{}, args ...interface{}) int {
	var totalPages int64

	database.DB.Model(any).
		Where(whereQuery, args).
		Count(&totalPages)

	return int(math.Ceil(float64(totalPages) / float64(paginationLimit)))
}

func GetPageOffset(page int, paginationLimit int) int {
	return (page - 1) * paginationLimit
}

func DbPageQuery(query structs.PageQuery, paginationLimit int, result any, orderBy, whereQuery interface{}, args ...interface{}) *gorm.DB {
	return database.DB.Limit(paginationLimit).
		Offset(GetPageOffset(query.Page, paginationLimit)).
		Where(whereQuery, args).
		Order(orderBy).
		Find(result)
}