package cli

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

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

	"github.com/lukaszraczylo/harness-sync/internal/adapter"
	"github.com/lukaszraczylo/harness-sync/internal/canonical"
)

type importableAdapter struct {
	res  *adapter.ImportResult
	name string
}

func (i *importableAdapter) Name() string { return i.name }
func (i *importableAdapter) Detect() bool { return true }
func (i *importableAdapter) Render(_ *canonical.Bundle) (*adapter.FileSet, error) {
	return adapter.NewFileSet(), nil
}
func (i *importableAdapter) Import(_ string) (*adapter.ImportResult, error) { return i.res, nil }

func TestInitImportWritesCanonical(t *testing.T) {
	root := t.TempDir()
	home := t.TempDir()

	reg := adapter.NewRegistry()
	reg.Register(&importableAdapter{
		name: "stub",
		res: &adapter.ImportResult{
			Skills:       []canonical.Skill{{Name: "hi", Body: "---\nname: hi\n---\nhi body", Path: "hi/SKILL.md"}},
			Instructions: "# global",
			MCP:          []canonical.MCPServer{{Name: "filepuff", Command: "/bin/x"}},
		},
	})

	cmd := NewInit(reg)
	cmd.SetArgs([]string{"--root", root, "--home", home, "--from", "stub", "--no-prompt"})
	require.NoError(t, cmd.Execute())

	assert.FileExists(t, filepath.Join(root, "config.yaml"))
	assert.FileExists(t, filepath.Join(root, "instructions", "global.md"))
	assert.FileExists(t, filepath.Join(root, "mcp.yaml"))
	assert.FileExists(t, filepath.Join(root, "skills", "hi", "SKILL.md"))
	_, err := os.Stat(filepath.Join(root, ".git"))
	require.NoError(t, err)
}