package config

import "time"

// LogConfig 日志配置
type LogConfig struct {
	Level           string            `mapstructure:"level"`
	Format          string            `mapstructure:"format"`
	ServiceName     string            `mapstructure:"service_name"`
	Environment     string            `mapstructure:"env"`
	Caller          bool              `mapstructure:"caller"`
	StacktraceLevel string            `mapstructure:"stacktrace_level"`
	Output          LogOutputConfig   `mapstructure:"output"`
	Rotation        LogRotationConfig `mapstructure:"rotation"`
	Sampling        LogSamplingConfig `mapstructure:"sampling"`
}

type LogOutputConfig struct {
	ToStdout bool   `mapstructure:"to_stdout"`
	ToFile   bool   `mapstructure:"to_file"`
	FilePath string `mapstructure:"file_path"`
}

type LogRotationConfig struct {
	MaxSizeMB  int  `mapstructure:"max_size_mb"`
	MaxBackups int  `mapstructure:"max_backups"`
	MaxAgeDays int  `mapstructure:"max_age_days"`
	Compress   bool `mapstructure:"compress"`
	LocalTime  bool `mapstructure:"local_time"`
}

type LogSamplingConfig struct {
	Enabled    bool `mapstructure:"enabled"`
	Initial    int  `mapstructure:"initial"`
	Thereafter int  `mapstructure:"thereafter"`
}

// OpsConfig 运维监控配置
type OpsConfig struct {
	Enabled               bool                           `mapstructure:"enabled"`
	UsePreaggregatedTables bool                           `mapstructure:"use_preaggregated_tables"`
	Cleanup               OpsCleanupConfig                `mapstructure:"cleanup"`
	MetricsCollectorCache OpsMetricsCollectorCacheConfig  `mapstructure:"metrics_collector_cache"`
	Aggregation            OpsAggregationConfig           `mapstructure:"aggregation"`
}

type OpsCleanupConfig struct {
	Enabled  bool   `mapstructure:"enabled"`
	Schedule string `mapstructure:"schedule"`
	ErrorLogRetentionDays      int `mapstructure:"error_log_retention_days"`
	MinuteMetricsRetentionDays int `mapstructure:"minute_metrics_retention_days"`
	HourlyMetricsRetentionDays int `mapstructure:"hourly_metrics_retention_days"`
}

type OpsAggregationConfig struct {
	Enabled bool `mapstructure:"enabled"`
}

type OpsMetricsCollectorCacheConfig struct {
	Enabled bool          `mapstructure:"enabled"`
	TTL     time.Duration `mapstructure:"ttl"`
}

// APIKeyAuthCacheConfig API Key 认证缓存配置
type APIKeyAuthCacheConfig struct {
	L1Size             int `mapstructure:"l1_size"`
	L1TTLSeconds       int `mapstructure:"l1_ttl_seconds"`
	L2TTLSeconds       int `mapstructure:"l2_ttl_seconds"`
	NegativeTTLSeconds int `mapstructure:"negative_ttl_seconds"`
	JitterPercent      int `mapstructure:"jitter_percent"`
	Singleflight       bool `mapstructure:"singleflight"`
}

// SubscriptionCacheConfig 订阅认证 L1 缓存配置
type SubscriptionCacheConfig struct {
	L1Size        int `mapstructure:"l1_size"`
	L1TTLSeconds  int `mapstructure:"l1_ttl_seconds"`
	JitterPercent int `mapstructure:"jitter_percent"`
}

// SubscriptionMaintenanceConfig 订阅窗口维护后台任务配置
type SubscriptionMaintenanceConfig struct {
	WorkerCount int `mapstructure:"worker_count"`
	QueueSize   int `mapstructure:"queue_size"`
}

// DashboardCacheConfig 仪表盘统计缓存配置
type DashboardCacheConfig struct {
	Enabled                  bool   `mapstructure:"enabled"`
	KeyPrefix                string `mapstructure:"key_prefix"`
	StatsFreshTTLSeconds     int    `mapstructure:"stats_fresh_ttl_seconds"`
	StatsTTLSeconds          int    `mapstructure:"stats_ttl_seconds"`
	StatsRefreshTimeoutSeconds int  `mapstructure:"stats_refresh_timeout_seconds"`
}

// DashboardAggregationConfig 仪表盘预聚合配置
type DashboardAggregationConfig struct {
	Enabled         bool                              `mapstructure:"enabled"`
	IntervalSeconds int                               `mapstructure:"interval_seconds"`
	LookbackSeconds int                               `mapstructure:"lookback_seconds"`
	BackfillEnabled bool                              `mapstructure:"backfill_enabled"`
	BackfillMaxDays int                               `mapstructure:"backfill_max_days"`
	Retention       DashboardAggregationRetentionConfig `mapstructure:"retention"`
	RecomputeDays   int                               `mapstructure:"recompute_days"`
}

// DashboardAggregationRetentionConfig 预聚合保留窗口
type DashboardAggregationRetentionConfig struct {
	UsageLogsDays         int `mapstructure:"usage_logs_days"`
	UsageBillingDedupDays int `mapstructure:"usage_billing_dedup_days"`
	HourlyDays            int `mapstructure:"hourly_days"`
	DailyDays             int `mapstructure:"daily_days"`
}

// UsageCleanupConfig 使用记录清理任务配置
type UsageCleanupConfig struct {
	Enabled              bool `mapstructure:"enabled"`
	MaxRangeDays         int  `mapstructure:"max_range_days"`
	BatchSize            int  `mapstructure:"batch_size"`
	WorkerIntervalSeconds int `mapstructure:"worker_interval_seconds"`
	TaskTimeoutSeconds   int  `mapstructure:"task_timeout_seconds"`
}