package types

import "fmt"

// ClaudeCacheCreation1hMultiplier is the 1-hour cache write price multiplier
// relative to the 5-minute cache write price.
// https://docs.claude.com/en/docs/build-with-claude/prompt-caching#1-hour-cache-duration
const ClaudeCacheCreation1hMultiplier = 6 / 3.75

type GroupRatioInfo struct {
	GroupRatio        float64
	GroupSpecialRatio float64
	HasSpecialRatio   bool
}

type PricingMode string

const (
	PricingModeMatched         PricingMode = "matched"
	PricingModeFallbackMax     PricingMode = "fallback_max"
	PricingModeFallbackDefault PricingMode = "fallback_default"
	PricingModeLegacy          PricingMode = "legacy"
	PricingModeRemix           PricingMode = "remix"
)

type PricingDecision struct {
	Mode              PricingMode
	BillingMode       string
	BillingUnit       string
	PriceUSD          float64
	TokenUnitPriceUSD float64
	Quota             int
	GroupRatioInfo    GroupRatioInfo
	Snapshot          map[string]any
	FreeModel         bool
	LegacyModelPrice  float64
	OtherRatios       map[string]float64
	UsePrice          bool
	PerCallBilling    bool
	Finalized         bool
}

type PriceData struct {
	FreeModel            bool
	ModelPrice           float64
	ModelRatio           float64
	CompletionRatio      float64
	CacheRatio           float64
	CacheCreationRatio   float64
	CacheCreation5mRatio float64
	CacheCreation1hRatio float64
	ImageRatio           float64
	AudioRatio           float64
	AudioCompletionRatio float64
	OtherRatios          map[string]float64
	UsePrice             bool
	Quota                int
	QuotaToPreConsume    int
	GroupRatioInfo       GroupRatioInfo
	PricingDecision      *PricingDecision
}

// ApplyChannelPricingRatios applies channel-level pricing ratios when the
// channel value is non-zero.
func (p *PriceData) ApplyChannelPricingRatios(cacheRatio, cacheCreationRatio, imageRatio, audioRatio, audioCompletionRatio float64) {
	if cacheRatio != 0 {
		p.CacheRatio = cacheRatio
	}
	if cacheCreationRatio != 0 {
		p.CacheCreationRatio = cacheCreationRatio
		p.CacheCreation5mRatio = cacheCreationRatio
		p.CacheCreation1hRatio = cacheCreationRatio * ClaudeCacheCreation1hMultiplier
	}
	if imageRatio != 0 {
		p.ImageRatio = imageRatio
	}
	if audioRatio != 0 {
		p.AudioRatio = audioRatio
	}
	if audioCompletionRatio != 0 {
		p.AudioCompletionRatio = audioCompletionRatio
	}
}

func (p *PriceData) AddOtherRatio(key string, ratio float64) {
	if p.OtherRatios == nil {
		p.OtherRatios = make(map[string]float64)
	}
	if ratio <= 0 {
		return
	}
	p.OtherRatios[key] = ratio
}

func (p *PriceData) ToSetting() string {
	return fmt.Sprintf("ModelPrice: %f, ModelRatio: %f, CompletionRatio: %f, CacheRatio: %f, GroupRatio: %f, UsePrice: %t, CacheCreationRatio: %f, CacheCreation5mRatio: %f, CacheCreation1hRatio: %f, QuotaToPreConsume: %d, ImageRatio: %f, AudioRatio: %f, AudioCompletionRatio: %f", p.ModelPrice, p.ModelRatio, p.CompletionRatio, p.CacheRatio, p.GroupRatioInfo.GroupRatio, p.UsePrice, p.CacheCreationRatio, p.CacheCreation5mRatio, p.CacheCreation1hRatio, p.QuotaToPreConsume, p.ImageRatio, p.AudioRatio, p.AudioCompletionRatio)
}