workspace extends ../common/finance-common-model.dsl {
    name "Payment system"
    description "Payment system is responsible for processing payments, chargebacks, refunds, and etc."

    model {
        !extend paymentSystem {

            !docs docs

            paymentProviderDb = container "Payment provider database" {
                description "Stores payment provider related data"
                technology "MySQL"
                tags "Google Cloud Platform - Compute Engine" "Database" "MySQL"
            }

            paymentRouterDb = container "Payment router database" {
                description "Stores payment routing data"
                technology "MySQL"
                tags "Google Cloud Platform - Compute Engine" "Database" "MySQL"
            }

            paymentKV = container "PaymentKV" {
                description "Payment provider key-value storage"
                technology "Aerospike"
                tags "Google Cloud Platform - Compute Engine" "Database" "Aerospike" 
            }
        }

        # PaymentRouter
        getPaymentMethodCampaigns = paymentRouter -> paymentRouterDb "Get payment method campaigns" "SQL"
        resolveAudiencesRl = paymentRouter -> audienceSystem "Resolve audiences" "HTTPS"
        getMethodSavedDataRl = paymentRouter -> paymentProvider "Get method savedData" "HTTPS"
        getOfferPricePointsRl = paymentRouter -> personalOffers "Get offer price points" "HTTPS"
        getTicketsRL = paymentRouter -> paymentProvider "Calculate taxes and create tickets" "HTTPS"
        paymentRouter -> offerManagementSystem "Get missing offers" "HTTPS"

        # PaymentProvider
        paymentProvider -> paymentProviderDb "Reads/stored saved payment method data"
        getDataByTicketRl = paymentProvider -> paymentKV "Get data by ticket" "Aerospike client" "Cache"
        storeDataByTicketRl = paymentProvider -> paymentKV "Store data by ticket" "Aerospike client" "Cache"
        deleteTicketRl = paymentProvider -> paymentKV "Delete ticket" "Aerospike client" "Cache"
        paymentProvider -> personalOffers "Validate request" "HTTPS"
        paymentProvider -> paymentProviderDb "Store purchase data" "SQL"
        paymentProvider -> finance "Process balances" "Kafka"
        paymentProvider -> externalPaymentSystem "Process purchase" "HTTPS"
        externalPaymentSystem -> paymentProvider "Process purchase callback" "HTTPS"
    }

    views {

        systemLandscape "SystemLandscape" "Payment system landscape" {
            include *
            animation {
                liveOps
                offerRecommendationSystem audienceSystem
                offerManagementSystem financeSystem
                user
                paymentSystem
                mainKafkaCluster
            }
            autoLayout
        }

        systemcontext paymentSystem "paymentSystemContext" {
            include *
            autoLayout
        }

        container paymentSystem "paymentSystemcontainer" {
            include *
            autoLayout
        }

        dynamic paymentSystem "get-personal-offers-flow" {
            title "Get personal offers flow"
            description "Describes steps to get personal offers"

            user -> personalOffers
            user -> paymentRouter
            getOfferPricePointsRl
        }

        dynamic paymentSystem "get-payment-methods-flow" {
            autoLayout
            title "Get payment methods flow"
            description "Describes steps to resolve available payment methods for user"

            user -> personalOffers
            user -> paymentRouter
            getPaymentMethodCampaigns
            resolveAudiencesRl
            getMethodSavedDataRl
            getOfferPricePointsRl
            paymentRouter -> offerManagementSystem
            getTicketsRL
            storeDataByTicketRl
        }

        dynamic paymentSystem "purchase-request" {
            user -> paymentProvider
            getDataByTicketRl
            paymentProvider -> personalOffers
            paymentProvider -> externalPaymentSystem
            externalPaymentSystem -> paymentProvider
            paymentProvider -> financeSystem
            deleteTicketRl
            autoLayout
            description "Make purchase request"
        }
    }

}