auth.txt

@startuml

title Authentication State Chart

[*] -u-> UILogin : User Data submitted via UI
[*] -d-> PTULogin : PTU data submitted via API

state UILogin {
    UILogin : Entry / User Queried
    UILogin : Exit / User Confirmed

    state "Database" as userDatabase
    state "Check Password" as userPassword
    state "Failure" as userFailure

    [*] -> userDatabase : Query for User
    userDatabase -> userPassword : Valid User
    userDatabase -u-> userFailure : Invalid User
    userPassword -> [*] : Valid Password
    userPassword -u-> userFailure : Invalid Password
}

state PTULogin {
    PTULogin : Entry / PTU Queried
    PTULogin : Exit / PTU Confirmed

    state "Database" as PTUDatabase
    state "Check Password" as PTUPassword
    state "Failure" as PTUFailure

    [*] -> PTUDatabase : Query for PTU
    PTUDatabase -> PTUPassword : Valid PTU
    PTUDatabase -u-> PTUFailure : Invalid PTU
    PTUPassword -> [*] : Valid Password
    PTUPassword -u-> PTUFailure : Invalid Password
}

@enduml