package cli

import (
	"bytes"
	"os"
	"path/filepath"
	"testing"

	"beelloo/internal/invoice"
)

func TestRunNewCreatesScaffold(t *testing.T) {
	var out bytes.Buffer
	var errOut bytes.Buffer
	tmp := t.TempDir()
	path := filepath.Join(tmp, "invoice.md")

	code := Run([]string{"new", path}, &out, &errOut)
	if code != 0 {
		t.Fatalf("expected exit code 0, got %d: %s", code, errOut.String())
	}
	data, err := os.ReadFile(path)
	if err != nil {
		t.Fatalf("read scaffold: %v", err)
	}
	if string(data) != invoice.ScaffoldMarkdown {
		t.Fatalf("scaffold content mismatch")
	}
}

func TestRunBuildErrors(t *testing.T) {
	var out bytes.Buffer
	var errOut bytes.Buffer
	code := Run([]string{"build"}, &out, &errOut)
	if code != 2 {
		t.Fatalf("expected exit code 2, got %d", code)
	}
	code = Run([]string{"build", "missing.md"}, &out, &errOut)
	if code != 1 {
		t.Fatalf("expected exit code 1 for missing file, got %d", code)
	}
}

func TestRunBuildValidationError(t *testing.T) {
	var out bytes.Buffer
	var errOut bytes.Buffer
	tmp := t.TempDir()
	path := filepath.Join(tmp, "bad.md")
	if err := os.WriteFile(path, []byte("# Facture\n\n## Vendeur\nNom: \n"), 0644); err != nil {
		t.Fatalf("write bad markdown: %v", err)
	}
	code := Run([]string{"build", path}, &out, &errOut)
	if code != 1 {
		t.Fatalf("expected exit code 1, got %d", code)
	}
}