package integration

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

	"github.com/gin-gonic/gin"

	"cmautobuy/admin/config"
)

func TestRequireCatalogToken(t *testing.T) {
	gin.SetMode(gin.TestMode)
	const token = "0123456789abcdef0123456789abcdef"
	for _, tc := range []struct {
		name, header string
		cfg          config.CatalogIntegrationConfig
		want         int
	}{
		{"未启用", "", config.CatalogIntegrationConfig{}, http.StatusServiceUnavailable},
		{"缺少", "", config.CatalogIntegrationConfig{Source: "script", Token: token}, http.StatusUnauthorized},
		{"错误", "Bearer wrong", config.CatalogIntegrationConfig{Source: "script", Token: token}, http.StatusUnauthorized},
		{"正确", "Bearer " + token, config.CatalogIntegrationConfig{Source: "script", Token: token}, http.StatusNoContent},
	} {
		t.Run(tc.name, func(t *testing.T) {
			r := gin.New()
			r.GET("/protected", RequireCatalogToken(tc.cfg), func(c *gin.Context) {
				if integrationSource(c) != tc.cfg.Source {
					t.Fatalf("source=%q", integrationSource(c))
				}
				c.Status(http.StatusNoContent)
			})
			req := httptest.NewRequest(http.MethodGet, "/protected", nil)
			req.Header.Set("Authorization", tc.header)
			resp := httptest.NewRecorder()
			r.ServeHTTP(resp, req)
			if resp.Code != tc.want {
				t.Fatalf("status=%d body=%s", resp.Code, resp.Body.String())
			}
			if strings.Contains(resp.Body.String(), token) || strings.Contains(resp.Body.String(), "wrong") {
				t.Fatal("响应泄露接口凭据")
			}
		})
	}
}

func TestCatalogBatchAPI_鉴权JSON与体积限制(t *testing.T) {
	gin.SetMode(gin.TestMode)
	const token = "0123456789abcdef0123456789abcdef"
	r := gin.New()
	Register(r, nil, config.CatalogIntegrationConfig{Source: "script", Token: token})

	for _, tc := range []struct {
		name, auth string
		body       []byte
		want       int
	}{
		{"无鉴权", "", []byte(`{}`), http.StatusUnauthorized},
		{"坏JSON", "Bearer " + token, []byte(`{"schema_version":`), http.StatusBadRequest},
		{"超限", "Bearer " + token, bytes.Repeat([]byte("x"), catalogMaxBody+1), http.StatusRequestEntityTooLarge},
	} {
		t.Run(tc.name, func(t *testing.T) {
			req := httptest.NewRequest(http.MethodPost, "/api/v1/integrations/catalog/batches", bytes.NewReader(tc.body))
			req.Header.Set("Authorization", tc.auth)
			resp := httptest.NewRecorder()
			r.ServeHTTP(resp, req)
			if resp.Code != tc.want {
				t.Fatalf("status=%d body=%s", resp.Code, resp.Body.String())
			}
			if !strings.Contains(resp.Header().Get("Content-Type"), "application/json") {
				t.Fatalf("错误响应必须是 JSON：%s", resp.Header())
			}
		})
	}
}