package main

import (
	"net/http"
	"net/http/httptest"
	"os"
	"path/filepath"
	"testing"

	"github.com/gin-gonic/gin"
)

func TestFrontendRoutesServeBuiltAssetsAtRootPath(t *testing.T) {
	gin.SetMode(gin.TestMode)
	distDir := t.TempDir()
	assetsDir := filepath.Join(distDir, "assets")
	if err := os.Mkdir(assetsDir, 0o755); err != nil {
		t.Fatalf("create assets directory: %v", err)
	}
	if err := os.WriteFile(filepath.Join(assetsDir, "app.js"), []byte("console.log('ok')"), 0o600); err != nil {
		t.Fatalf("write asset: %v", err)
	}

	router := gin.New()
	registerFrontendRoutes(router, distDir)

	response := httptest.NewRecorder()
	router.ServeHTTP(response, httptest.NewRequest(http.MethodGet, "/assets/app.js", nil))

	if response.Code != http.StatusOK {
		t.Fatalf("asset status = %d, want %d", response.Code, http.StatusOK)
	}
}

func TestFrontendRefreshFallsBackWithoutMaskingAPIOrAssets(t *testing.T) {
	gin.SetMode(gin.TestMode)
	distDir := t.TempDir()
	if err := os.WriteFile(filepath.Join(distDir, "index.html"), []byte("<html>company app</html>"), 0o600); err != nil {
		t.Fatal(err)
	}
	r := gin.New()
	registerFrontendRoutes(r, distDir)
	for _, path := range []string{"/stock", "/login", "/master-data/settings", "/api/missing", "/ws", "/uploads/missing", "/assets/missing.js"} {
		t.Run(path, func(t *testing.T) {
			w := httptest.NewRecorder()
			r.ServeHTTP(w, httptest.NewRequest("GET", path, nil))
			want := 200
			if path == "/api/missing" || path == "/ws" || path == "/uploads/missing" || path == "/assets/missing.js" {
				want = 404
			}
			if w.Code != want {
				t.Fatalf("status=%d want=%d", w.Code, want)
			}
		})
	}
	w := httptest.NewRecorder()
	r.ServeHTTP(w, httptest.NewRequest("POST", "/stock", nil))
	if w.Code != 404 {
		t.Fatalf("POST status=%d", w.Code)
	}
}