package modeladapter

import (
	"testing"
)

// 与拉取端 buildModelsEndpoint 的形态矩阵保持对称：
// 聊天调用对 baseURL 带或不带 /v1 应当同样收敛到正确端点。
func TestOpenAIEndpointURLResolvesBaseURLShapes(t *testing.T) {
	cases := []struct {
		name     string
		baseURL  string
		endpoint string
		want     string
	}{
		{"裸 host 追加完整端点", "https://example.com", "/v1/responses", "https://example.com/v1/responses"},
		{"裸 host 追加 chat completions", "https://example.com", "/v1/chat/completions", "https://example.com/v1/chat/completions"},
		{"base 以 /v1 结尾时去重拼接", "https://example.com/v1", "/v1/chat/completions", "https://example.com/v1/chat/completions"},
		{"base 以 /v1 结尾时不重复 /v1", "https://example.com/v1/", "/v1/responses", "https://example.com/v1/responses"},
		{"base 内嵌 chat completions 时直用", "https://example.com/v1/chat/completions", "/v1/responses", "https://example.com/v1/chat/completions"},
		{"base 内嵌 responses 时直用", "https://example.com/v1/responses", "/v1/chat/completions", "https://example.com/v1/responses"},
		{"endpoint 为空时回退默认 responses", "https://example.com", "", "https://example.com/v1/responses"},
	}

	for _, tc := range cases {
		t.Run(tc.name, func(t *testing.T) {
			if got := OpenAIEndpointURL(tc.baseURL, tc.endpoint); got != tc.want {
				t.Fatalf("OpenAIEndpointURL(%q, %q) = %q, 期望 %q", tc.baseURL, tc.endpoint, got, tc.want)
			}
		})
	}
}