package models

// User represents a system user
type User struct {
	ID        string `db:"id" json:"id"`
	Email     string `db:"email" json:"email"`
	Password  string `db:"password" json:"-"` // Never expose password in JSON
	Role      string `db:"role" json:"role"`
	Name      string `db:"name" json:"name"`
	CreatedAt string `db:"created_at" json:"created_at"`
	UpdatedAt string `db:"updated_at" json:"updated_at"`
}

// RefreshToken represents a refresh token stored in the database
type RefreshToken struct {
	ID        string `db:"id" json:"id"`
	UserID    string `db:"user_id" json:"user_id"`
	Token     string `db:"token" json:"token"`
	ExpiresAt string `db:"expires_at" json:"expires_at"`
	IsRevoked bool   `db:"is_revoked" json:"is_revoked"`
	CreatedAt string `db:"created_at" json:"created_at"`
}

// PatientDetails contains patient-specific data
type PatientDetails struct {
	PatientID         string   `json:"patient_id"`
	PatientName       string   `json:"patient_name"`
	StudyInstanceUIDs []string `json:"study_instance_uids,omitempty"`
	AccessionNumbers  []string `json:"accession_numbers,omitempty"`
}

// DoctorDetails contains doctor-specific data
type DoctorDetails struct {
	DoctorID   string `json:"doctor_id"`
	DoctorName string `json:"doctor_name"`
	Type       string `json:"type"` // "ref_doctor" or "expertise_doctor"
}

// LoginRequest represents the login form data
type LoginRequest struct {
	Email    string `json:"email"`
	Password string `json:"password"`
}

// LoginResponse is the response sent after successful login
type LoginResponse struct {
	AccessToken  string `json:"access_token"`
	RefreshToken string `json:"refresh_token"`
	User         *User  `json:"user"`
	RedirectURL  string `json:"redirect_url"`
}

// RefreshRequest represents the refresh token request
type RefreshRequest struct {
	RefreshToken string `json:"refresh_token"`
}

// RefreshResponse is the response for a token refresh
type RefreshResponse struct {
	AccessToken string `json:"access_token"`
}

// ShortLink represents a short URL token for patient access
type ShortLink struct {
	ID             string `db:"id" json:"id"`
	Token          string `db:"token" json:"token"` // The short token used in the URL
	PatientID      string `db:"patient_id" json:"patient_id"`
	StudyUID       string `db:"study_uid" json:"study_uid"` // The StudyInstanceUID this token grants access to
	HashedDOB      string `db:"hashed_dob" json:"-"`        // Hashed Date of Birth for verification
	ExpiresAt      string `db:"expires_at" json:"expires_at"`
	IsRevoked      bool   `db:"is_revoked" json:"is_revoked"`
	CreatedAt      string `db:"created_at" json:"created_at"`
	CreatedByID    string `db:"created_by_id" json:"created_by_id"` // ID of admin who created this
	RemainingTries int    `db:"remaining_tries" json:"-"`           // Number of failed attempts allowed
}

// GenerateShortLinkRequest represents request to create a short URL
type GenerateShortLinkRequest struct {
	PatientID string `json:"patient_id"`
	StudyUID  string `json:"study_uid"`
	DOB       string `json:"dob"`        // Date of birth in YYYY-MM-DD format
	ExpiresIn int    `json:"expires_in"` // Expiry in hours (optional, defaults to 72)
}

// GenerateShortLinkResponse is the response for a generated short link
type GenerateShortLinkResponse struct {
	ShortToken string `json:"short_token"`
	FullURL    string `json:"full_url"`
	ExpiresAt  string `json:"expires_at"`
}

// ShortLinkAuthRequest represents the shortlink authentication request
type ShortLinkAuthRequest struct {
	ShortToken    string `json:"short_token,omitempty"` // The original field
	ShortTokenAlt string `json:"shortToken,omitempty"`  // Support for camelCase naming from OHIF
	DOB           string `json:"dob"`                   // Date of birth in YYYY-MM-DD format
}

func (r *ShortLinkAuthRequest) GetToken() string {
	// Use ShortTokenAlt if ShortToken is empty
	if r.ShortToken == "" {
		return r.ShortTokenAlt
	}
	return r.ShortToken
}

// ShortLinkAuthResponse is the response for successful shortlink authentication
type ShortLinkAuthResponse struct {
	AccessToken string `json:"access_token"`
	ExpiresIn   int    `json:"expires_in"` // Token expiry in seconds
	RedirectURL string `json:"redirect_url"`
}