package domain

// Money is an exact decimal string bounded to signed 64-bit ten-thousandths.
type Money string

type Account struct {
	ID                string `json:"id"`
	DisplayName       string `json:"display_name"`
	Institution       string `json:"institution"`
	Currency          string `json:"currency"`
	ExternalAccountID string `json:"external_account_id,omitempty"`
	IBAN              string `json:"iban,omitempty"`
	Active            bool   `json:"active"`
}
type Facts struct {
	ID               string `json:"id"`
	Source           string `json:"source"`
	AccountID        string `json:"account_id"`
	BookingDate      string `json:"booking_date"`
	ValueDate        string `json:"value_date,omitempty"`
	Amount           Money  `json:"amount"`
	Currency         string `json:"currency"`
	RawDescription   string `json:"raw_description"`
	ExternalID       string `json:"external_id,omitempty"`
	Fingerprint      string `json:"fingerprint"`
	Counterparty     string `json:"counterparty,omitempty"`
	CounterpartyIBAN string `json:"counterparty_iban,omitempty"`
}
type Provenance struct {
	Source    string `json:"source"`
	Model     string `json:"model,omitempty"`
	Timestamp string `json:"timestamp,omitempty"`
	Error     string `json:"error,omitempty"`
}
type Enrichment struct {
	Kind           string     `json:"kind"`
	MerchantID     string     `json:"merchant_id,omitempty"`
	CategoryID     string     `json:"category_id,omitempty"`
	TagIDs         []string   `json:"tag_ids"`
	TransferPeerID string     `json:"transfer_peer_id,omitempty"`
	Classification Provenance `json:"classification"`
}
type Transaction struct {
	Facts      Facts      `json:"facts"`
	Enrichment Enrichment `json:"enrichment"`
}
type Category struct {
	ID       string `json:"id"`
	Name     string `json:"name"`
	ParentID string `json:"parent_id,omitempty"`
	Kind     string `json:"kind"`
}
type Tag struct {
	ID   string `json:"id"`
	Name string `json:"name"`
}
type Merchant struct {
	ID                string   `json:"id"`
	Name              string   `json:"name"`
	Aliases           []string `json:"aliases"`
	DefaultCategoryID string   `json:"default_category_id,omitempty"`
	DefaultTagIDs     []string `json:"default_tag_ids"`
	UseDefaults       bool     `json:"use_defaults"`
}
type Dataset struct {
	Accounts     []Account     `json:"accounts"`
	Categories   []Category    `json:"categories"`
	Tags         []Tag         `json:"tags"`
	Merchants    []Merchant    `json:"merchants"`
	Transactions []Transaction `json:"transactions"`
}

const ExpenseFallback = "cat_expenses_unclassified"
const IncomeFallback = "cat_income_unclassified"