package usecase

import (
	"context"
)

// AuthUseCase 認證用例介面
type AuthUseCase interface {
	CreateToken(ctx context.Context, req CreateTokenRequest) (*TokenResponse, error)
	RefreshToken(ctx context.Context, refreshToken string) (*TokenResponse, error)
	ValidateToken(ctx context.Context, accessToken string) (*TokenClaims, error)
	Logout(ctx context.Context, accessToken string) error
	LogoutAllByUserID(ctx context.Context, uid string) error
}

// CreateTokenRequest 創建令牌請求
type CreateTokenRequest struct {
	ClientID  string `json:"client_id"`
	GrantType string `json:"grant_type"`
	Username  string `json:"username,omitempty"`
	Password  string `json:"password,omitempty"`
	DeviceID  string `json:"device_id,omitempty"`
}

// TokenResponse 令牌響應
type TokenResponse struct {
	AccessToken  string `json:"access_token"`
	RefreshToken string `json:"refresh_token"`
	TokenType    string `json:"token_type"`
	ExpiresIn    int64  `json:"expires_in"`
}

// TokenClaims 令牌聲明
type TokenClaims struct {
	UID      string `json:"uid"`
	ClientID string `json:"client_id"`
	DeviceID string `json:"device_id"`
}