common

const (
	CreditSourceMpesa    CreditSource = "mpesa"
	CreditSourceWallet   CreditSource = "wallet"
	CreditSourceReversal CreditSource = "reversal"
)

const (
	InvoicePending InvoiceStatus = "pending"
	InvoicePaid    InvoiceStatus = "paid"
	InvoiceOverdue InvoiceStatus = "overdue"
)

const (
	EventPowerOn    MeterEventType = "power_on"
	EventPowerOff   MeterEventType = "power_off"
	EventValveOpen  MeterEventType = "valve_open"
	EventValveClose MeterEventType = "valve_close"
	EventReading    MeterEventType = "reading"
	EventTamper     MeterEventType = "tamper"
	EventLeak       MeterEventType = "leak"
	EventLowBattery MeterEventType = "low_battery"
)

const (
	NegativeStatusUnresolved NegativeStatus = "unresolved"
	NegativeStatusResolved   NegativeStatus = "resolved"
	NegativeStatusFlagged    NegativeStatus = "flagged"
)

const (
	// Account management
	PermCreateAccount Permission = "account:create"
	PermViewAccount   Permission = "account:view"
	PermEditAccount   Permission = "account:edit"

	// Tenant management
	PermCreateTenant Permission = "tenant:create"
	PermViewTenant   Permission = "tenant:view"

	// Meter management
	PermReadMeter   Permission = "meter:read"
	PermUpdateMeter Permission = "meter:update"

	// Billing
	PermViewBilling     Permission = "billing:view"
	PermGenerateInvoice Permission = "billing:invoice"

	// Support
	PermManageTickets Permission = "support:manage"

	// System
	PermAuditAccess Permission = "audit:read"
)

const (
	DebitReasonUsage      PrepaidDebitReason = "usage"      // based on consumption
	DebitReasonInvoice    PrepaidDebitReason = "invoice"    // postpaid invoice deduction
	DebitReasonCorrection PrepaidDebitReason = "correction" // manual admin adjustment
	DebitReasonReversal   PrepaidDebitReason = "reversal"   // reversal of a previous incorrect debit
)

const (
	RateTypeFixed   RateType = "Fixed"
	RateTypeFormula RateType = "Formula"
)

const (
	TicketOpen     TicketStatus = "open"
	TicketPending  TicketStatus = "pending"
	TicketResolved TicketStatus = "resolved"
	TicketClosed   TicketStatus = "closed"
)

const (
	TransactionStatusPending   TransactionStatus = "pending"
	TransactionStatusConfirmed TransactionStatus = "confirmed"
	TransactionStatusFailed    TransactionStatus = "failed"
)

const (
	TransactionTypeMpesa  TransactionType = "mpesa"
	TransactionTypeWallet TransactionType = "wallet"
	TransactionTypeToken  TransactionType = "token"
)

const (
	AdminUser    UserRole = "admin"
	AccountUser  UserRole = "account_user"
	PropertyUser UserRole = "property_user"
	Technician   UserRole = "technician"
)

const (
	WaterMeter UtilityType = "water"
	PowerMeter UtilityType = "power"
)