package app

import (
	"bytes"
	"context"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

func TestRunDryRunPrintsConfigSummary(t *testing.T) {
	configPath := filepath.Join(t.TempDir(), "config.yml")
	err := os.WriteFile(configPath, []byte(`
pipelines:
  - id: reports
    source:
      backend: local
      path: /source
    destinations:
      - id: archive
        backend: local
        path: /archive
`), 0o600)
	if err != nil {
		t.Fatalf("write config: %v", err)
	}

	var stdout bytes.Buffer
	err = Run(context.Background(), RunOptions{
		ConfigPath: configPath,
		DryRun:     true,
		Stdout:     &stdout,
	})
	if err != nil {
		t.Fatalf("Run() error = %v", err)
	}

	output := stdout.String()
	for _, want := range []string{
		"Configured pipelines: 1",
		"- reports: source=local destinations=1",
		"archive: backend=local publish_source=true publish_html=false",
	} {
		if !strings.Contains(output, want) {
			t.Fatalf("Run() output = %q, want substring %q", output, want)
		}
	}
}

func TestRunWithoutDryRunIsNotImplemented(t *testing.T) {
	err := Run(context.Background(), RunOptions{})
	if err == nil || !strings.Contains(err.Error(), "not implemented") {
		t.Fatalf("Run() error = %v, want not implemented", err)
	}
}