metrics

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

type CycleTimeResult struct {
	IssueKey     string
	IssueType    string
	Summary      string
	CycleTime    time.Duration
	StartDate    time.Time
	EndDate      time.Time
	InProgress   bool                     // true when the issue has started but not yet completed
	StageDetails map[string]time.Duration // Time spent in each stage
	// Raw JIRA fields
	Assignee string
	Priority string
	Labels   []string
	EpicKey  string
}

type CycleTimeStats struct {
	Count        int
	Mean         time.Duration
	Median       time.Duration
	Percentile50 time.Duration
	Percentile70 time.Duration
	Percentile85 time.Duration
	Percentile95 time.Duration
	Min          time.Duration
	Max          time.Duration
	StdDev       time.Duration
}

type ForecastResult struct {
	TargetItems        int
	RemainingItems     int
	TrialsRun          int
	Percentiles        map[int]time.Time // Percentile -> completion date
	PercentileDays     map[int]int       // Percentile -> days from now
	DeadlineDate       *time.Time
	DeadlineConfidence float64 // Probability of meeting deadline (0-1)
	ThroughputSamples  int     // Number of throughput samples used
	AvgThroughput      float64 // Average weekly throughput
}

type MonteCarloConfig struct {
	Trials           int        // Number of simulations (default: 10000)
	ThroughputWindow int        // Days of history to sample from (default: 60)
	SimulationStart  time.Time  // When to start simulation (default: now)
	Deadline         *time.Time // Optional deadline to check against
	WorkThreads      int        // Number of issues the team works on in parallel; multiplies sampled weekly throughput (default: 1)
}

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

type StatsDays struct {
	Count        int
	Mean         float64
	Median       float64
	Percentile50 float64
	Percentile70 float64
	Percentile85 float64
	Percentile95 float64
	Min          float64
	Max          float64
	StdDev       float64
}

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

type ThroughputFrequency string

type ThroughputPeriod struct {
	PeriodStart time.Time // Start of the period
	PeriodEnd   time.Time // End of the period
	Count       int       // Number of items completed
	IssueKeys   []string  // Keys of completed issues
}

type ThroughputResult struct {
	Periods    []ThroughputPeriod
	TotalCount int
	AvgCount   float64
	Frequency  ThroughputFrequency
}

type ThroughputStats struct {
	Periods     int
	TotalItems  int
	AvgItems    float64
	MinItems    int
	MaxItems    int
	MedianItems int
}