package service

import (
	"net/http"
	"net/http/httptest"
	"reflect"
	"strings"
	"testing"

	"github.com/basketikun/infinite-canvas/model"
)

func TestFetchAdminChannelModelsParsesOpenAIModels(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/v1/models" {
			t.Fatalf("unexpected path: %s", r.URL.Path)
		}
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{"data":[{"id":"z-model"},{"id":"a-model"},{"id":""}]}`))
	}))
	defer server.Close()

	models, err := fetchAdminChannelModels(model.ModelChannel{
		BaseURL: server.URL,
		APIKey:  "test-key",
	})
	if err != nil {
		t.Fatalf("fetchAdminChannelModels returned error: %v", err)
	}
	if want := []string{"a-model", "z-model"}; !reflect.DeepEqual(models, want) {
		t.Fatalf("models = %#v, want %#v", models, want)
	}
}

func TestFetchAdminChannelModelsReportsArkPlanModelsUnsupported(t *testing.T) {
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/api/plan/v3/models" {
			t.Fatalf("unexpected path: %s", r.URL.Path)
		}
		http.NotFound(w, r)
	}))
	defer server.Close()

	_, err := fetchAdminChannelModels(model.ModelChannel{
		BaseURL: server.URL + "/api/plan/v3/contents/generations/tasks",
		APIKey:  "test-key",
	})
	if err == nil {
		t.Fatal("expected unsupported /models error")
	}
	if !strings.Contains(err.Error(), "Agent Plan 未提供 OpenAI /models") {
		t.Fatalf("error = %q", err.Error())
	}
}

func TestBuildModelChannelURLNormalizesArkPlanTaskPath(t *testing.T) {
	got := BuildModelChannelURL(model.ModelChannel{BaseURL: "https://ark.cn-beijing.volces.com/api/plan/v3/contents/generations/tasks?debug=1"}, "/models")
	want := "https://ark.cn-beijing.volces.com/api/plan/v3/models"
	if got != want {
		t.Fatalf("BuildModelChannelURL = %q, want %q", got, want)
	}
}