package appcontext

import (
	"errors"
	"strconv"

	"git.artlef.fr/bibliomane/internal/config"
	"git.artlef.fr/bibliomane/internal/model"
	"github.com/gin-gonic/gin"
	"github.com/nicksnyder/go-i18n/v2/i18n"
	"gorm.io/gorm"
)

type AppContext struct {
	C      *gin.Context
	Db     *gorm.DB
	I18n   *i18n.Bundle
	Config *config.Config
}

func (ac AppContext) GetAuthenticatedUser() (model.User, error) {
	var user model.User
	username, userIsInContext := ac.C.Get("user")
	if !userIsInContext {
		return user, errors.New("User not found in context")
	}
	res := ac.Db.Where("name = ?", username).First(&user)
	return user, res.Error
}

func (ac AppContext) GetQueryLimit() (int, error) {
	l := ac.C.Query("limit")
	if l != "" {
		return strconv.Atoi(l)
	} else {
		return ac.Config.Limit, nil
	}
}

func (ac AppContext) GetQueryOffset() (int, error) {
	o := ac.C.Query("offset")
	if o != "" {
		return strconv.Atoi(o)
	} else {
		return 0, nil
	}
}