// Package event define real time data evnet operation functions
package event

import (
	"maps"
	"strings"
)

// EventOption define option function type for event record creation
type EventOption func(*EventRecord)

// WithCondition define option function to set event condition description
func WithCondition(cond map[string]any) EventOption {
	return func(e *EventRecord) {
		if cond != nil {
			e.Condition = cond
		}
	}
}

// WithSubscriptions define option function to set event attached subscription information
func WithSubscriptions(subs []any) EventOption {
	return func(e *EventRecord) {
		if subs != nil {
			e.AttachedSubscriptions = subs
		}
	}
}

// WithOperations define option function to set event operation records
func WithOperations(ops []OperationRecord) EventOption {
	return func(e *EventRecord) {
		if ops != nil {
			e.Operations = ops
		}
	}
}

// WithCategory define option function to set event category
func WithCategory(cat string) EventOption {
	return func(e *EventRecord) {
		e.Category = cat
	}
}

// WithResult define option function to set event analysis result
func WithResult(result map[string]any) EventOption {
	return func(e *EventRecord) {
		e.Result = result
	}
}

func WithTEAnalysisResult(breachType string) EventOption {
	return func(e *EventRecord) {
		if e.Result == nil {
			e.Result = make(map[string]any)
		}

		description := "数据异常"
		switch strings.ToLower(breachType) {
		case "upup":
			description = "超越上上限"
		case "up":
			description = "超越上限"
		case "down":
			description = "超越下限"
		case "downdown":
			description = "超越下下限"
		}

		e.Result["analysis_desc"] = description
		e.Result["breach_type"] = breachType
	}
}

// WithConditionValue define option function to set event condition with real time value and extra data
func WithConditionValue(realTimeValue []float64, extraData map[string]any) EventOption {
	return func(e *EventRecord) {
		if e.Condition == nil {
			e.Condition = make(map[string]any)
		}
		e.Condition["real_time_value"] = realTimeValue
		maps.Copy(e.Condition, extraData)
	}
}