package language

import "ai-operator/internal/dialogue/state"

type Language = state.Language

const (
	LanguageUnknown Language = state.LanguageUnknown
	LanguageRU      Language = state.LanguageRU
	LanguageKK      Language = state.LanguageKK
)

type DetectionSource string

const (
	SourceUserText   DetectionSource = "user_text"
	SourceToolArgs   DetectionSource = "tool_args"
	SourceTranscript DetectionSource = "transcript"
	SourceCLI        DetectionSource = "cli"
)

type DetectionIntent string

const (
	IntentLanguageSelect DetectionIntent = "language_select"
	IntentLanguageChange DetectionIntent = "language_change"
	IntentNotLanguage    DetectionIntent = "not_language"
	IntentAmbiguous      DetectionIntent = "ambiguous"
)

const (
	HighConfidence   = 0.90
	MediumConfidence = 0.70
	LowConfidence    = 0.50
)

type DetectionResult struct {
	Language           Language
	Intent             DetectionIntent
	Confidence         float64
	MatchedPhrase      string
	NormalizedText     string
	Source             DetectionSource
	ReasonCode         string
	NeedsClarification bool
}

type SelectionContext struct {
	CurrentState    state.ConversationState
	CurrentLanguage Language
	AllowChange     bool
}

type LanguageDecision struct {
	Apply              bool
	Language           Language
	NeedsClarification bool
	ReasonCode         string
	MessageKey         string
}