usage

type DailyStats struct {
	Date          string                `json:"date"`
	TotalRequests int                   `json:"total_requests"`
	TotalInput    int                   `json:"total_input_tokens"`
	TotalOutput   int                   `json:"total_output_tokens"`
	TotalCost     float64               `json:"total_cost"`
	ByModel       map[string]ModelStats `json:"by_model"`
}

type DailyTrend struct {
	Date     string  `json:"date"`
	Requests int     `json:"requests"`
	Tokens   int     `json:"tokens"`
	Cost     float64 `json:"cost"`
}

type HourlyUsage struct {
	Hour     int `json:"hour"`
	Requests int `json:"requests"`
	Tokens   int `json:"tokens"`
}

type Insights struct {
	Period          string             `json:"period"`
	TotalRequests   int                `json:"total_requests"`
	TotalTokens     int                `json:"total_tokens"`
	TotalCost       float64            `json:"total_cost"`
	AvgTokensPerReq float64            `json:"avg_tokens_per_request"`
	AvgCostPerReq   float64            `json:"avg_cost_per_request"`
	TopModels       []ModelUsage       `json:"top_models"`
	TopProviders    []ProviderUsage    `json:"top_providers"`
	DailyTrend      []DailyTrend       `json:"daily_trend"`
	PeakHours       []HourlyUsage      `json:"peak_hours"`
	CostBreakdown   map[string]float64 `json:"cost_breakdown"`
	Recommendations []string           `json:"recommendations"`
	GeneratedAt     int64              `json:"generated_at"`
}

type Manager struct {
	// contains filtered or unexported fields
}

type ModelPrice struct {
	Input  float64 // 每百万输入 token 成本
	Output float64 // 每百万输出 token 成本
	Unit   string  // 计量单位
}

type ModelStats struct {
	Requests     int     `json:"requests"`
	InputTokens  int     `json:"input_tokens"`
	OutputTokens int     `json:"output_tokens"`
	Cost         float64 `json:"cost"`
}

type ModelUsage struct {
	Model      string  `json:"model"`
	Requests   int     `json:"requests"`
	Tokens     int     `json:"tokens"`
	Cost       float64 `json:"cost"`
	Percentage float64 `json:"percentage"`
}

type MonthlyBudget struct {
	Month          string  `json:"month"`
	Limit          float64 `json:"limit"`           // 预算上限（美元）
	Current        float64 `json:"current"`         // 当前花费
	AlertThreshold float64 `json:"alert_threshold"` // 告警阈值（百分比）
}

type ProviderUsage struct {
	Provider   string  `json:"provider"`
	Requests   int     `json:"requests"`
	Tokens     int     `json:"tokens"`
	Cost       float64 `json:"cost"`
	Percentage float64 `json:"percentage"`
}

type UsageRecord struct {
	ID           string    `json:"id"`
	Timestamp    time.Time `json:"timestamp"`
	Model        string    `json:"model"`
	Provider     string    `json:"provider"`
	InputTokens  int       `json:"input_tokens"`
	OutputTokens int       `json:"output_tokens"`
	Cost         float64   `json:"cost"`
	SessionID    string    `json:"session_id,omitempty"`
	RequestType  string    `json:"request_type,omitempty"` // chat, completion, embedding, etc.
}