package schema

import (
	"kontor-api-gin/internal/helpers"
	"time"

	"golang.org/x/crypto/bcrypt"
)

func VerifyPassword(password, hashedPassword string) error {
	return bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(password))
}

func LoginCheck(email string, password string) (string, error) {

	var err error

	profile := Profile{}

	err = DB.Model(Profile{}).Where("email = ?", email).Take(&profile).Error

	if err != nil {
		return "", err
	}

	err = VerifyPassword(password, profile.Password)

	if err != nil && err == bcrypt.ErrMismatchedHashAndPassword {
		return "", err
	}

	token, err := helpers.GenerateToken(profile.ID)

	if err != nil {
		return "", err
	}

	return token, nil

}

type Profile struct {
	ID                 string     `gorm:"type:string;primary_key;"`
	Created_Date       time.Time  `json:"created_date"`
	Last_Modified_date time.Time  `json:"last_modified_date"`
	Deleted_Date       *time.Time `json:"deleted_date"`
	Version            int        `gorm:"default:0" json:"version"`
	First_Name         *string    `json:"first_name"`
	Last_Name          *string    `json:"last_name"`
	User_Name          string     `json:"user_name"`
	Email              string     `json:"email"`
	Password           string     `json:"password"`
	Enabled            bool       `json:"enabled"`

	Assignments []Assignment `gorm:"foreignKey:ProfileID" json:"assignments"`
	Tokens      []Token      `gorm:"foreignKey:ProfileID" json:"tokens"`
}

func (profile *Profile) TableName() string {
	return "profile"
}

func (profile *Profile) GetFullName() string {
	full_name := ""
	if profile.First_Name != nil {
		full_name += *profile.First_Name
	}
	if profile.Last_Name != nil {
		full_name += " "
		full_name += *profile.Last_Name
	}
	return full_name
}

type Token struct {
	ID                 string     `gorm:"type:string;primary_key;"`
	Created_Date       time.Time  `json:"created_date"`
	Last_Modified_date time.Time  `json:"last_modified_date"`
	Deleted_Date       *time.Time `json:"deleted_date"`
	Version            int        `gorm:"default:0" json:"version"`
	Token              string     `gorm:"uniqueIndex" json:"token"`
	Name               string     `json:"name"`
	Last_Used_date     time.Time  `json:"last_used_date"`
	Enabled            bool       `json:"enabled"`
	ProfileID          *string    `json:"profile_id"`
	Profile            *Profile   `gorm:"foreignKey:ProfileID" json:"profile"`
}

func (token *Token) TableName() string {
	return "token"
}

type Permission struct {
	ID                 string       `gorm:"type:string;primary_key;"`
	Created_Date       time.Time    `json:"created_date"`
	Last_Modified_date time.Time    `json:"last_modified_date"`
	Deleted_Date       *time.Time   `json:"deleted_date"`
	Version            int          `gorm:"default:0" json:"version"`
	Name               string       `json:"name"`
	Assignments        []Assignment `gorm:"foreignKey:PermissionID" json:"assignments"`
}

func (permission *Permission) TableName() string {
	return "permission"
}

type Assignment struct {
	ID                 string     `gorm:"type:string;primary_key;"`
	Created_Date       time.Time  `json:"created_date"`
	Last_Modified_date time.Time  `json:"last_modified_date"`
	Deleted_Date       *time.Time `json:"deleted_date"`
	Version            int        `gorm:"default:0" json:"version"`
	ProfileID          *string    `json:"profile_id"`
	Profile            *Profile   `gorm:"foreignKey:ProfileID" json:"profile"`
	PermissionID       *string    `json:"permission_id"`
	Permission         *Profile   `gorm:"foreignKey:PermissionID" json:"permission"`
}

func (assignment *Assignment) TableName() string {
	return "assignment"
}