package llm

import (
	"testing"

	"github.com/stretchr/testify/require"
)

func TestNormalizeBedrockModel(t *testing.T) {
	cases := map[string]string{
		"eu.anthropic.claude-sonnet-4-5-20250929-v1:0": "anthropic.claude-sonnet-4-5",
		"us.anthropic.claude-haiku-4-5":                "anthropic.claude-haiku-4-5",
		"us.anthropic.claude-opus-4-8-20250101-v1:0":   "anthropic.claude-opus-4-8",
		"apac.anthropic.claude-haiku-4-5-v1:0":         "anthropic.claude-haiku-4-5",
		"amazon.nova-2-lite-v1:0":                      "amazon.nova-2-lite",
		"anthropic.claude-sonnet-4-5-20250929-v1:0":    "anthropic.claude-sonnet-4-5",
		"meta.llama3-3-70b-instruct-v1:0":              "meta.llama3-3-70b-instruct",
		"amazon.nova-pro-v1:0":                         "amazon.nova-pro",
		// Inference-profile ARN — model id lives in the last path segment.
		"arn:aws:bedrock:eu-central-1:123456789012:inference-profile/eu.anthropic.claude-sonnet-4-5-20250929-v1:0": "anthropic.claude-sonnet-4-5",
	}
	for in, want := range cases {
		require.Equal(t, want, NormalizeBedrockModel(in), "normalize %q", in)
	}
}

func TestNormalizeVertexModel(t *testing.T) {
	cases := map[string]string{
		"claude-sonnet-4-5@20250929": "claude-sonnet-4-5",
		"claude-haiku-4-5":           "claude-haiku-4-5",
		"gpt-4o@2024-08-06":          "gpt-4o",
	}
	for in, want := range cases {
		require.Equal(t, want, NormalizeVertexModel(in), "normalize %q", in)
	}
}

func TestNormalizeAnthropicModel(t *testing.T) {
	cases := map[string]string{
		"claude-sonnet-4-5-20250929":            "claude-sonnet-4-5",
		"claude-3-5-haiku-20241022":             "claude-3-5-haiku",
		"claude-sonnet-5":                       "claude-sonnet-5",
		"claude-opus-4-8":                       "claude-opus-4-8",
		"anthropic.claude-haiku-4-5":            "anthropic.claude-haiku-4-5",
		"anthropic.claude-sonnet-4-5-20250929":  "anthropic.claude-sonnet-4-5",
		"us.anthropic.claude-opus-4-8-20250101": "us.anthropic.claude-opus-4-8",
		// Non-Claude ids must survive untouched even when they end in eight
		// consecutive digits: an operator can register a custom model under
		// any id, and pricing looks every one of them up through this helper.
		"gpt-4o":                  "gpt-4o",
		"gpt-4o-2024-08-06":       "gpt-4o-2024-08-06",
		"gpt-4o-20240806":         "gpt-4o-20240806",
		"internal-llm-20250101":   "internal-llm-20250101",
		"deepseek-r1-20250120":    "deepseek-r1-20250120",
		"Qwen/Qwen2.5-20250101":   "Qwen/Qwen2.5-20250101",
		"gemini-2-5-pro-20250101": "gemini-2-5-pro-20250101",
		"":                        "",
	}
	for in, want := range cases {
		require.Equal(t, want, NormalizeAnthropicModel(in), "normalize %q", in)
	}
}