State Machine Diagrams

stateDiagram-v2
    [*] --> Created: Sepet olusturuldu

    Created --> PendingPayment: checkout

    PendingPayment --> Processing: pay
    PendingPayment --> Cancelled: timeout/cancel

    Processing --> Paid: success
    Processing --> PaymentFailed: fail

    PaymentFailed --> PendingPayment: retry
    PaymentFailed --> Cancelled: abandon

    Paid --> Confirmed: confirm
    Paid --> Refunded: refund

    Confirmed --> Ready: prepare
    Confirmed --> Refunded: refund

    Ready --> Completed: deliver

    Completed --> [*]
    Cancelled --> [*]
    Refunded --> [*]

    note right of Created
        Kullanici sepete urun ekledi
    end note

    note right of PendingPayment
        Odeme zaman asimi: 15 dakika
    end note

    note right of Refunded
        Iade: sadece odeme sonrasi,
        teslimden once
    end note
        

stateDiagram-v2
    [*] --> Initiated: Odeme baslatildi

    Initiated --> Pending: submit

    Pending --> Processing: 3D Secure
    Pending --> Failed: reject

    Processing --> Authorized: authorize
    Processing --> Failed: error

    Authorized --> Captured: capture
    Authorized --> Cancelled: void

    Captured --> Settled: settle
    Captured --> RefundPending: refund request

    RefundPending --> Refunded: full refund
    RefundPending --> PartialRefund: partial

    PartialRefund --> RefundPending: more refund
    PartialRefund --> Refunded: complete

    Settled --> [*]
    Failed --> [*]
    Cancelled --> [*]
    Refunded --> [*]

    note right of Processing
        3D Secure: Tum kartlar icin zorunlu
    end note

    note right of Settled
        Settlement: T+1 banka gunu
    end note