package deploy_test

import (
	"context"
	"log/slog"
	"os"
	"path/filepath"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	"git.eeqj.de/sneak/upaas/internal/config"
	"git.eeqj.de/sneak/upaas/internal/service/deploy"
)

func TestCleanupCancelledDeploy_RemovesBuildDir(t *testing.T) {
	t.Parallel()

	tmpDir := t.TempDir()
	cfg := &config.Config{DataDir: tmpDir}

	svc := deploy.NewTestServiceWithConfig(slog.Default(), cfg, nil)

	// Create a fake build directory matching the deployment pattern
	appName := "test-app"
	buildDir := svc.GetBuildDirExported(appName)
	require.NoError(t, os.MkdirAll(buildDir, 0o750))

	// Create deployment-specific dir: <deploymentID>-<random>
	deployDir := filepath.Join(buildDir, "42-abc123")
	require.NoError(t, os.MkdirAll(deployDir, 0o750))

	// Create a file inside to verify full removal
	require.NoError(t, os.WriteFile(filepath.Join(deployDir, "work"), []byte("test"), 0o600))

	// Also create a dir for a different deployment (should NOT be removed)
	otherDir := filepath.Join(buildDir, "99-xyz789")
	require.NoError(t, os.MkdirAll(otherDir, 0o750))

	// Run cleanup for deployment 42
	svc.CleanupCancelledDeploy(context.Background(), appName, 42, "")

	// Deployment 42's dir should be gone
	_, err := os.Stat(deployDir)
	assert.True(t, os.IsNotExist(err), "deployment build dir should be removed")

	// Deployment 99's dir should still exist
	_, err = os.Stat(otherDir)
	assert.NoError(t, err, "other deployment build dir should not be removed")
}

func TestCleanupCancelledDeploy_NoBuildDir(t *testing.T) {
	t.Parallel()

	tmpDir := t.TempDir()
	cfg := &config.Config{DataDir: tmpDir}

	svc := deploy.NewTestServiceWithConfig(slog.Default(), cfg, nil)

	// Should not panic when build dir doesn't exist
	svc.CleanupCancelledDeploy(context.Background(), "nonexistent-app", 1, "")
}