app_test.go

package main

import (
	"context"
	"testing"

	"github.com/wailsapp/wails/v2/pkg/runtime"
)

// TestNewApp tests App creation
func TestNewApp(t *testing.T) {
	app := NewApp()

	if app == nil {
		t.Fatal("NewApp returned nil")
	}
	if app.ctx != nil {
		t.Error("ctx should be nil before startup")
	}
}

// TestApp_Startup tests startup initialization
func TestApp_Startup(t *testing.T) {
	app := NewApp()
	ctx := context.Background()

	app.startup(ctx)

	if app.ctx == nil {
		t.Error("ctx not set after startup")
	}
	if app.ctx != ctx {
		t.Error("ctx not set to provided context")
	}
}

// TestApp_Startup_MultipleCalls tests multiple startup calls
func TestApp_Startup_MultipleCalls(t *testing.T) {
	app := NewApp()
	ctx1 := context.WithValue(context.Background(), "key1", "value1")
	ctx2 := context.WithValue(context.Background(), "key2", "value2")

	app.startup(ctx1)

	// Verify first context
	if app.ctx.Value("key1") != "value1" {
		t.Error("First context not set correctly")
	}

	// Second startup should update context
	app.startup(ctx2)

	// Verify second context replaced first
	if app.ctx.Value("key2") != "value2" {
		t.Error("Second context not set correctly")
	}
	if app.ctx.Value("key1") != nil {
		t.Error("First context value should not be accessible")
	}
}

// TestApp_OpenDirectoryDialog tests directory dialog (will fail without Wails runtime)
func TestApp_OpenDirectoryDialog(t *testing.T) {
	_ = NewApp()

	// Without proper Wails runtime context, this will fail
	// But we can test the method signature and basic error handling

	// This would require Wails runtime context to actually work
	t.Skip("OpenDirectoryDialog requires Wails runtime context (tested in E2E)")
}

// TestApp_OpenFileDialog tests file dialog (will fail without Wails runtime)
func TestApp_OpenFileDialog(t *testing.T) {
	_ = NewApp()

	// Without proper Wails runtime context, this will fail
	// But we can test the method signature

	// This would require Wails runtime context to actually work
	t.Skip("OpenFileDialog requires Wails runtime context (tested in E2E)")
}

// TestApp_ShowMessageDialog tests message dialog (will fail without Wails runtime)
func TestApp_ShowMessageDialog(t *testing.T) {
	_ = NewApp()

	// Without proper Wails runtime context, this will fail
	// But we can test the method signature

	// This would require Wails runtime context to actually work
	t.Skip("ShowMessageDialog requires Wails runtime context (tested in E2E)")
}

// TestApp_Methods_BeforeStartup tests that methods can be called before startup
func TestApp_Methods_BeforeStartup(t *testing.T) {
	app := NewApp()

	// These methods should not panic even without startup
	// They will fail gracefully (Wails runtime will handle nil context)

	// We verify the app has these methods by calling them (they'll fail gracefully)
	// Just verify app is not nil and has the expected structure
	if app == nil {
		t.Fatal("app is nil")
	}
}

// TestApp_ContextPreservation tests that context is preserved
func TestApp_ContextPreservation(t *testing.T) {
	app := NewApp()
	ctx := context.WithValue(context.Background(), "test", "value")

	app.startup(ctx)

	// Verify context is preserved
	if app.ctx != ctx {
		t.Error("Context not preserved")
	}

	// Verify we can retrieve the value
	if app.ctx.Value("test") != "value" {
		t.Error("Context value not preserved")
	}
}

// TestApp_Isolation tests that multiple App instances are isolated
func TestApp_Isolation(t *testing.T) {
	app1 := NewApp()
	app2 := NewApp()

	ctx1 := context.WithValue(context.Background(), "id", "app1")
	ctx2 := context.WithValue(context.Background(), "id", "app2")

	app1.startup(ctx1)
	app2.startup(ctx2)

	if app1.ctx == app2.ctx {
		t.Error("App instances should have separate contexts")
	}

	if app1.ctx.Value("id") != "app1" {
		t.Error("app1 context incorrect")
	}
	if app2.ctx.Value("id") != "app2" {
		t.Error("app2 context incorrect")
	}
}

// TestApp_StructureValidation tests that App structure is correct
func TestApp_StructureValidation(t *testing.T) {
	app := NewApp()

	// Verify App has the expected structure
	// This ensures we maintain API compatibility

	if app.ctx != nil {
		t.Error("New app should have nil context")
	}

	// Verify methods are accessible
	_ = app.OpenDirectoryDialog
	_ = app.OpenFileDialog
	_ = app.ShowMessageDialog
	_ = app.startup
}

// TestApp_NilContext tests behavior with nil context
func TestApp_NilContext(t *testing.T) {
	app := NewApp()

	// startup with nil context should not panic
	defer func() {
		if r := recover(); r != nil {
			t.Errorf("startup panicked with nil context: %v", r)
		}
	}()

	app.startup(nil)

	if app.ctx != nil {
		t.Error("nil context should be preserved")
	}
}

// TestApp_ConcurrentAccess tests concurrent access to App
func TestApp_ConcurrentAccess(t *testing.T) {
	app := NewApp()

	// Test that concurrent startup calls don't cause race conditions
	done := make(chan bool, 10)

	for i := 0; i < 10; i++ {
		go func(id int) {
			ctx := context.WithValue(context.Background(), "id", id)
			app.startup(ctx)
			done <- true
		}(i)
	}

	for i := 0; i < 10; i++ {
		<-done
	}

	// App should still be functional
	if app.ctx == nil {
		t.Error("Context not set after concurrent startups")
	}
}

// TestRuntimeMethodSignatures tests that runtime methods have correct signatures
func TestRuntimeMethodSignatures(t *testing.T) {
	// Verify that runtime methods we use have the expected signatures
	// This helps catch API changes in Wails

	// These are compile-time checks - if they compile, signatures are correct
	var _ func(context.Context, runtime.OpenDialogOptions) (string, error) = runtime.OpenDirectoryDialog
	var _ func(context.Context, runtime.OpenDialogOptions) (string, error) = runtime.OpenFileDialog
	var _ func(context.Context, runtime.MessageDialogOptions) (string, error) = runtime.MessageDialog
}

// TestApp_OpenDialogOptions tests OpenDialogOptions construction
func TestApp_OpenDialogOptions(t *testing.T) {
	// Test that we can construct OpenDialogOptions correctly
	opts := runtime.OpenDialogOptions{
		Title: "Test Title",
	}

	if opts.Title != "Test Title" {
		t.Error("OpenDialogOptions Title not set correctly")
	}

	// Test with filters
	opts2 := runtime.OpenDialogOptions{
		Title: "Select PDF",
		Filters: []runtime.FileFilter{
			{
				DisplayName: "PDF Files",
				Pattern:     "*.pdf",
			},
		},
	}

	if len(opts2.Filters) != 1 {
		t.Error("Filters not set correctly")
	}
	if opts2.Filters[0].Pattern != "*.pdf" {
		t.Error("Filter pattern incorrect")
	}
}

// TestApp_MessageDialogOptions tests MessageDialogOptions construction
func TestApp_MessageDialogOptions(t *testing.T) {
	// Test that we can construct MessageDialogOptions correctly
	opts := runtime.MessageDialogOptions{
		Type:    runtime.InfoDialog,
		Title:   "Test",
		Message: "Test message",
	}

	if opts.Type != runtime.InfoDialog {
		t.Error("Dialog type incorrect")
	}
	if opts.Title != "Test" {
		t.Error("Dialog title incorrect")
	}
	if opts.Message != "Test message" {
		t.Error("Dialog message incorrect")
	}
}

// TestApp_ErrorHandling tests error handling in App methods
func TestApp_ErrorHandling(t *testing.T) {
	app := NewApp()
	app.startup(context.Background())

	// These will fail without proper Wails runtime, but should not panic
	// We skip this test as it requires Wails runtime
	t.Skip("Requires Wails runtime context (tested in E2E)")
}