package llm

import "testing"

func TestApplyReasoningParamsForModernOpenAIModels(t *testing.T) {
	payload := openaiRequest{
		Model:       "openai/gpt-5.4",
		Temperature: 0.7,
		MaxTokens:   8192,
	}
	applyReasoningParams(&payload, true)

	if payload.Temperature != 0 || payload.MaxTokens != 0 {
		t.Fatalf("unsupported parameters were not cleared: %+v", payload)
	}
	if payload.MaxCompletionTokens != 8192 || payload.ReasoningEffort != "medium" {
		t.Fatalf("modern OpenAI parameters were not applied: %+v", payload)
	}
}

func TestApplyReasoningParamsWithoutReasoningEffort(t *testing.T) {
	payload := openaiRequest{Model: "gpt-5.4-mini", Temperature: 0.7, MaxTokens: 4096}
	applyReasoningParams(&payload, false)

	if payload.MaxCompletionTokens != 4096 || payload.ReasoningEffort != "" {
		t.Fatalf("model compatibility parameters are incorrect: %+v", payload)
	}
}

func TestAnthropicThinkingModels(t *testing.T) {
	for _, model := range []string{"claude-3-7-sonnet", "claude-sonnet-4-6", "claude-opus-4-8", "claude-sonnet-5", "claude-fable-5"} {
		if !isAnthropicThinkingModel(model) {
			t.Fatalf("%q should support thinking parameters", model)
		}
	}
	if isAnthropicThinkingModel("claude-haiku-4-5") {
		t.Fatal("Claude Haiku should not receive thinking parameters")
	}
}