package cli

import (
	"bytes"
	"context"
	"strings"
	"testing"
)

func TestInteractiveSetupPrompterPromptSetupCollectsCredential(t *testing.T) {
	input := strings.NewReader(" imap.example.com \n alice \n secret \n")
	output := &bytes.Buffer{}
	prompter := NewInteractiveSetupPrompter(input, output)

	cred, err := prompter.PromptSetup(context.Background())
	if err != nil {
		t.Fatalf("PromptSetup returned error: %v", err)
	}

	if cred.Host != "imap.example.com" || cred.Username != "alice" || cred.Password != "secret" {
		t.Fatalf("unexpected credential: %#v", cred)
	}
	if got := output.String(); got != "IMAP host: Username: Password: " {
		t.Fatalf("unexpected prompts: %q", got)
	}
}

func TestInteractiveSetupPrompterPromptSetupRejectsMissingFields(t *testing.T) {
	input := strings.NewReader("imap.example.com\nalice\n   \n")
	prompter := NewInteractiveSetupPrompter(input, &bytes.Buffer{})

	_, err := prompter.PromptSetup(context.Background())
	if err == nil {
		t.Fatal("expected validation error")
	}
	if !strings.Contains(err.Error(), "password is required") {
		t.Fatalf("expected password validation error, got %v", err)
	}
}