package user

import (
	"go.m3o.com/client"
)

type User interface {
	Create(*CreateRequest) (*CreateResponse, error)
	Delete(*DeleteRequest) (*DeleteResponse, error)
	List(*ListRequest) (*ListResponse, error)
	Login(*LoginRequest) (*LoginResponse, error)
	Logout(*LogoutRequest) (*LogoutResponse, error)
	Read(*ReadRequest) (*ReadResponse, error)
	ReadSession(*ReadSessionRequest) (*ReadSessionResponse, error)
	ResetPassword(*ResetPasswordRequest) (*ResetPasswordResponse, error)
	SendMagicLink(*SendMagicLinkRequest) (*SendMagicLinkResponse, error)
	SendPasswordResetEmail(*SendPasswordResetEmailRequest) (*SendPasswordResetEmailResponse, error)
	SendVerificationEmail(*SendVerificationEmailRequest) (*SendVerificationEmailResponse, error)
	UpdatePassword(*UpdatePasswordRequest) (*UpdatePasswordResponse, error)
	Update(*UpdateRequest) (*UpdateResponse, error)
	VerifyEmail(*VerifyEmailRequest) (*VerifyEmailResponse, error)
	VerifyToken(*VerifyTokenRequest) (*VerifyTokenResponse, error)
}

func NewUserService(token string) *UserService {
	return &UserService{
		client: client.NewClient(&client.Options{
			Token: token,
		}),
	}
}

type UserService struct {
	client *client.Client
}

// Create a new user account. The email address and username for the account must be unique.
func (t *UserService) Create(request *CreateRequest) (*CreateResponse, error) {

	rsp := &CreateResponse{}
	return rsp, t.client.Call("user", "Create", request, rsp)

}

// Delete an account by id
func (t *UserService) Delete(request *DeleteRequest) (*DeleteResponse, error) {

	rsp := &DeleteResponse{}
	return rsp, t.client.Call("user", "Delete", request, rsp)

}

// List all users. Returns a paged list of results
func (t *UserService) List(request *ListRequest) (*ListResponse, error) {

	rsp := &ListResponse{}
	return rsp, t.client.Call("user", "List", request, rsp)

}

// Login using username or email. The response will return a new session for successful login,
// 401 in the case of login failure and 500 for any other error
func (t *UserService) Login(request *LoginRequest) (*LoginResponse, error) {

	rsp := &LoginResponse{}
	return rsp, t.client.Call("user", "Login", request, rsp)

}

// Logout a user account
func (t *UserService) Logout(request *LogoutRequest) (*LogoutResponse, error) {

	rsp := &LogoutResponse{}
	return rsp, t.client.Call("user", "Logout", request, rsp)

}

// Read an account by id, username or email. Only one need to be specified.
func (t *UserService) Read(request *ReadRequest) (*ReadResponse, error) {

	rsp := &ReadResponse{}
	return rsp, t.client.Call("user", "Read", request, rsp)

}

// Read a session by the session id. In the event it has expired or is not found and error is returned.
func (t *UserService) ReadSession(request *ReadSessionRequest) (*ReadSessionResponse, error) {

	rsp := &ReadSessionResponse{}
	return rsp, t.client.Call("user", "ReadSession", request, rsp)

}

// Reset password with the code sent by the "SendPasswordResetEmail" endpoint.
func (t *UserService) ResetPassword(request *ResetPasswordRequest) (*ResetPasswordResponse, error) {

	rsp := &ResetPasswordResponse{}
	return rsp, t.client.Call("user", "ResetPassword", request, rsp)

}

// Login using email only - Passwordless
func (t *UserService) SendMagicLink(request *SendMagicLinkRequest) (*SendMagicLinkResponse, error) {

	rsp := &SendMagicLinkResponse{}
	return rsp, t.client.Call("user", "SendMagicLink", request, rsp)

}

// Send an email with a verification code to reset password.
// Call "ResetPassword" endpoint once user provides the code.
func (t *UserService) SendPasswordResetEmail(request *SendPasswordResetEmailRequest) (*SendPasswordResetEmailResponse, error) {

	rsp := &SendPasswordResetEmailResponse{}
	return rsp, t.client.Call("user", "SendPasswordResetEmail", request, rsp)

}

// Send a verification email to a user.
// Email "from" will be 'noreply@email.m3ocontent.com'.
// The verification link will be injected in the email
// as a template variable, $micro_verification_link e.g
// 'Welcome to M3O! Use the link below to verify your email: $micro_verification_link'
// The variable will be replaced with a url similar to:
// 'https://user.m3o.com/user/verify?token=a-verification-token&redirectUrl=your-redir-url'
func (t *UserService) SendVerificationEmail(request *SendVerificationEmailRequest) (*SendVerificationEmailResponse, error) {

	rsp := &SendVerificationEmailResponse{}
	return rsp, t.client.Call("user", "SendVerificationEmail", request, rsp)

}

// Update the account password
func (t *UserService) UpdatePassword(request *UpdatePasswordRequest) (*UpdatePasswordResponse, error) {

	rsp := &UpdatePasswordResponse{}
	return rsp, t.client.Call("user", "UpdatePassword", request, rsp)

}

// Update the account username or email
func (t *UserService) Update(request *UpdateRequest) (*UpdateResponse, error) {

	rsp := &UpdateResponse{}
	return rsp, t.client.Call("user", "Update", request, rsp)

}

// Verify the email address of an account from a token sent in an email to the user.
func (t *UserService) VerifyEmail(request *VerifyEmailRequest) (*VerifyEmailResponse, error) {

	rsp := &VerifyEmailResponse{}
	return rsp, t.client.Call("user", "VerifyEmail", request, rsp)

}

// Check whether the token attached to MagicLink is valid or not.
// Ideally, you need to call this endpoint from your http request
// handler that handles the endpoint which is specified in the
// SendMagicLink request.
func (t *UserService) VerifyToken(request *VerifyTokenRequest) (*VerifyTokenResponse, error) {

	rsp := &VerifyTokenResponse{}
	return rsp, t.client.Call("user", "VerifyToken", request, rsp)

}

type Account struct {
	// unix timestamp
	Created int64 `json:"created,string"`
	// an email address
	Email string `json:"email"`
	// unique account id
	Id string `json:"id"`
	// Store any custom data you want about your users in this fields.
	Profile map[string]string `json:"profile"`
	// unix timestamp
	Updated int64 `json:"updated,string"`
	// alphanumeric username
	Username string `json:"username"`
	// date of verification
	VerificationDate int64 `json:"verification_date,string"`
	// if the account is verified
	Verified bool `json:"verified"`
}

type CreateRequest struct {
	// the email address
	Email string `json:"email"`
	// optional account id
	Id string `json:"id"`
	// the user password
	Password string `json:"password"`
	// optional user profile as map<string,string>
	Profile map[string]string `json:"profile"`
	// the username
	Username string `json:"username"`
}

type CreateResponse struct {
	Account *Account `json:"account"`
}

type DeleteRequest struct {
	// the account id
	Id string `json:"id"`
}

type DeleteResponse struct {
}

type ListRequest struct {
	// Maximum number of records to return. Default limit is 25.
	// Maximum limit is 1000. Anything higher will return an error.
	Limit  int32 `json:"limit"`
	Offset int32 `json:"offset"`
}

type ListResponse struct {
	Users []Account `json:"users"`
}

type LoginRequest struct {
	// The email address of the user
	Email string `json:"email"`
	// The password of the user
	Password string `json:"password"`
	// The username of the user
	Username string `json:"username"`
}

type LoginResponse struct {
	// The session of the logged in  user
	Session *Session `json:"session"`
}

type LogoutRequest struct {
	// the session id for the user to logout
	SessionId string `json:"session_id"`
}

type LogoutResponse struct {
}

type ReadRequest struct {
	// the account email
	Email string `json:"email"`
	// the account id
	Id string `json:"id"`
	// the account username
	Username string `json:"username"`
}

type ReadResponse struct {
	Account *Account `json:"account"`
}

type ReadSessionRequest struct {
	// The unique session id
	SessionId string `json:"session_id"`
}

type ReadSessionResponse struct {
	// the session for the user
	Session *Session `json:"session"`
}

type ResetPasswordRequest struct {
	// The code from the verification email
	Code string `json:"code"`
	// confirm new password
	ConfirmPassword string `json:"confirm_password"`
	// the email to reset the password for
	Email string `json:"email"`
	// the new password
	NewPassword string `json:"new_password"`
}

type ResetPasswordResponse struct {
}

type SendMagicLinkRequest struct {
	// Your web site address, example www.example.com or user.example.com
	Address string `json:"address"`
	// the email address of the user
	Email string `json:"email"`
	// Endpoint name where your http request handler handles MagicLink by
	// calling M3O VerifyToken endpoint. You can return as a result a success,
	// failed or redirect to another page.
	Endpoint string `json:"endpoint"`
	// Display name of the sender for the email. Note: the email address will still be 'support@m3o.com'
	FromName string `json:"from_name"`
	Subject  string `json:"subject"`
	// Text content of the email. Don't forget to include the string '$micro_verification_link' which will be replaced by the real verification link
	// HTML emails are not available currently.
	TextContent string `json:"text_content"`
}

type SendMagicLinkResponse struct {
}

type SendPasswordResetEmailRequest struct {
	// email address to send reset for
	Email string `json:"email"`
	// Number of secs that the password reset email is valid for, defaults to 1800 secs (30 mins)
	Expiration int64 `json:"expiration,string"`
	// Display name of the sender for the email. Note: the email address will still be 'noreply@email.m3ocontent.com'
	FromName string `json:"from_name"`
	// subject of the email
	Subject string `json:"subject"`
	// Text content of the email. Don't forget to include the string '$code' which will be replaced by the real verification link
	// HTML emails are not available currently.
	TextContent string `json:"text_content"`
}

type SendPasswordResetEmailResponse struct {
}

type SendVerificationEmailRequest struct {
	// email address to send the verification code
	Email string `json:"email"`
	// The url to redirect to incase of failure
	FailureRedirectUrl string `json:"failure_redirect_url"`
	// Display name of the sender for the email. Note: the email address will still be 'noreply@email.m3ocontent.com'
	FromName string `json:"from_name"`
	// The url to redirect to after successful verification
	RedirectUrl string `json:"redirect_url"`
	// subject of the email
	Subject string `json:"subject"`
	// Text content of the email. Don't forget to include the string '$micro_verification_link' which will be replaced by the real verification link
	// HTML emails are not available currently.
	TextContent string `json:"text_content"`
}

type SendVerificationEmailResponse struct {
}

type Session struct {
	// unix timestamp
	Created int64 `json:"created,string"`
	// unix timestamp
	Expires int64 `json:"expires,string"`
	// the session id
	Id string `json:"id"`
	// the associated user id
	UserId string `json:"userId"`
}

type UpdatePasswordRequest struct {
	// confirm new password
	ConfirmPassword string `json:"confirm_password"`
	// the new password
	NewPassword string `json:"new_password"`
	// the old password
	OldPassword string `json:"old_password"`
	// the account id
	UserId string `json:"userId"`
}

type UpdatePasswordResponse struct {
}

type UpdateRequest struct {
	// the new email address
	Email string `json:"email"`
	// the account id
	Id string `json:"id"`
	// the user profile as map<string,string>
	Profile map[string]string `json:"profile"`
	// the new username
	Username string `json:"username"`
}

type UpdateResponse struct {
}

type VerifyEmailRequest struct {
	// The token from the verification email
	Token string `json:"token"`
}

type VerifyEmailResponse struct {
}

type VerifyTokenRequest struct {
	Token string `json:"token"`
}

type VerifyTokenResponse struct {
	IsValid bool     `json:"is_valid"`
	Message string   `json:"message"`
	Session *Session `json:"session"`
}