package collection

import "time"

const (
	UsageResultSucceeded = "succeeded"
	UsageResultFailed    = "failed"
	UsageResultRejected  = "rejected"
	UsageResultCanceled  = "canceled"
)

// UsageQuery describes one stable page of request details. Cursor is opaque to
// callers and is bound to every filter in the query.
type UsageQuery struct {
	Page      int
	PageSize  int
	Cursor    string
	From      *time.Time
	To        *time.Time
	KeyID     string
	Model     string
	Result    string
	AuthID    string
	Endpoint  string
	RequestID string
}

type UsagePage struct {
	Records        []Record
	Page           int
	PageSize       int
	Total          int64
	TotalPages     int
	PreviousCursor string
	NextCursor     string
}

type UsageDashboard struct {
	Today UsageSummary
	Users []UserUsageSummary
	Days  []DailyUsageSummary
}

type UsageSummary struct {
	Requests     int64
	InputTokens  int64
	OutputTokens int64
	TotalTokens  int64
	CostMicros   int64
}

type UserUsageSummary struct {
	KeyID      string
	KeyAlias   string
	Today      UsageSummary
	Days       []DailyUsageSummary
	LastUsedAt *time.Time
}

type DailyUsageSummary struct {
	Date        time.Time
	TotalTokens int64
	CostMicros  int64
}