package cmd

import (
	"fmt"
	"os"
	"path/filepath"
	"runtime"
	"strings"
	"sylixos-uploader/detector"

	"github.com/spf13/cobra"
)

var genIdeEnvCmd = &cobra.Command{
	Use:   "gen-ide-env",
	Short: "usage: source <(sylixos-uploader gen-ide-env --workspace <path>)",
	Long: `usage: source <(sylixos-uploader gen-ide-env --workspace <path>)

Generate environment variables from IDE projects.`,
	Run: func(cmd *cobra.Command, args []string) {
		// 遍历根目录下的第一级子目录
		if WorkSpacePath == "" {
			WorkSpacePath = "."
		}

		err := filepath.Walk(WorkSpacePath, func(path string, info os.FileInfo, err error) error {
			if err != nil {
				return err
			}

			// 只处理第一级子目录
			if info.IsDir() && path != WorkSpacePath {
				relativePath, err := filepath.Rel(WorkSpacePath, path)
				if err != nil {
					return err
				}

				// 替换路径中的特殊字符，确保变量名合法
				envVarNameOrgin := strings.ReplaceAll(relativePath, string(os.PathSeparator), "_")
				envVarName := strings.ReplaceAll(envVarNameOrgin, "-", "_")

				s := detector.NewSylixOSPrj(path)
				if s.IsSylixOSPrj() {
					// 输出结果
					absPath, err := filepath.Abs(relativePath)
					if err != nil {
						return err
					}
					fmt.Printf("export WORKSPACE_%s=%s\n", envVarName, absPath)
					if strings.Contains(relativePath, "-") {
						fmt.Printf("echo \"you have to change \\$(WORKSPACE_%s) to \\$(WORKSPACE_%s) in all config.mk\"\n", envVarNameOrgin, envVarName)
					}
				}
			}
			return nil
		})

		if err != nil {
			fmt.Printf("Error: %v\n", err)
		}
	},
}

var fakeGenIdeEnvCmd = &cobra.Command{
	Use:   "gen-ide-env",
	Short: "usage: source <(sylixos-uploader gen-ide-env --workspace <path>)",
	Long:  `usage: source <(sylixos-uploader gen-ide-env --workspace <path>)`,
	Run: func(cmd *cobra.Command, args []string) {
		fmt.Printf("This command is not supported on %s platform.\n", runtime.GOOS)
	},
}

func init() {
	switch runtime.GOOS {
	case "linux", "darwin":
		RootCmd.AddCommand(genIdeEnvCmd)

		// Adding flags with long names
		genIdeEnvCmd.Flags().StringVar(&WorkSpacePath, "workspace", "", "Workspace path")
	default:
		RootCmd.AddCommand(fakeGenIdeEnvCmd)

		// Adding flags with long names
		fakeGenIdeEnvCmd.Flags().StringVar(&WorkSpacePath, "workspace", "", "Workspace path")
	}
}