package config_test

import (
	. "github.com/mudler/LocalAI/core/config"
	. "github.com/onsi/ginkgo/v2"
	. "github.com/onsi/gomega"
)

var _ = Describe("ApplyGenericDefaults (generic fallback tier)", func() {
	It("fills sampling + runtime fallbacks when unset", func() {
		cfg := &ModelConfig{} // empty backend uses the llama sampler defaults
		ApplyGenericDefaults(cfg)
		Expect(cfg.TopP).ToNot(BeNil())
		Expect(*cfg.TopP).To(Equal(0.95))
		Expect(*cfg.TopK).To(Equal(40))
		Expect(*cfg.Temperature).To(Equal(0.9))
		Expect(*cfg.MMap).To(BeTrue())
		Expect(*cfg.MMlock).To(BeFalse())
		Expect(*cfg.PromptCacheAll).To(BeTrue())
	})

	It("never overrides explicit values", func() {
		tk := 7
		tp := 0.5
		cfg := &ModelConfig{}
		cfg.TopK = &tk
		cfg.TopP = &tp
		ApplyGenericDefaults(cfg)
		Expect(*cfg.TopK).To(Equal(7))
		Expect(*cfg.TopP).To(Equal(0.5))
	})

	It("no-ops on nil", func() {
		Expect(func() { ApplyGenericDefaults(nil) }).ToNot(Panic())
	})
})