package fourslash_test

import (
	"testing"

	"github.com/microsoft/typescript-go/internal/fourslash"
	. "github.com/microsoft/typescript-go/internal/fourslash/tests/util"
	"github.com/microsoft/typescript-go/internal/ls"
	"github.com/microsoft/typescript-go/internal/lsp/lsproto"
	"github.com/microsoft/typescript-go/internal/testutil"
)

func TestAutoImportCssModule(t *testing.T) {
	t.Parallel()
	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
	const content = `
// @Filename: /tsconfig.json
{ "compilerOptions": { "module": "nodenext", "moduleResolution": "nodenext" } }

// @Filename: /package.json
{ "type": "module" }

// @Filename: /augmentations.ts
export {};
declare module "./styles.css" {
    export const myClass: string;
}

// @Filename: /index.ts
myClass/**/
`
	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
	defer done()
	// Verify auto-import completions don't panic when importing from .css module augmentation
	f.VerifyCompletions(t, "", &fourslash.CompletionsExpectedList{
		IsIncomplete: false,
		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
			CommitCharacters: &DefaultCommitCharacters,
			EditRange:        Ignored,
		},
		Items: &fourslash.CompletionsExpectedItems{
			Includes: []fourslash.CompletionsExpectedItem{
				&lsproto.CompletionItem{
					Label: "myClass",
					Data: &lsproto.CompletionItemData{
						AutoImport: &lsproto.AutoImportFix{
							ModuleSpecifier: "./styles.css",
						},
					},
					AdditionalTextEdits: fourslash.AnyTextEdits,
					SortText:            new(string(ls.SortTextAutoImportSuggestions)),
				},
			},
		},
	})
}