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/*
Copyright © 2025 NAME HERE <EMAIL ADDRESS>
*/
package cmd
import (
"fmt"
"os"
"sync"
"encoding/json"
"github.com/scrotadamus/ghligh/document"
"github.com/scrotadamus/ghligh/go-poppler"
"github.com/spf13/cobra"
)
// infoCmd represents the info command
var infoCmd = &cobra.Command{
Use: "info",
Short: "display info about pdf documents [json]",
Long: `
ghligh info file1.pdf file2.pdf [-i]
shows information about pdf (author, publisher, modification date, etc...)
-i will indent the json output
`,
Run: func(cmd *cobra.Command, args []string) {
if len(args) == 0 {
cmd.Help()
return
}
indent, err := cmd.Flags().GetBool("indent")
if err != nil {
cmd.Help()
return
}
infoChan := make(chan poppler.DocumentInfo)
var wg sync.WaitGroup
wg.Add(len(args))
for _, arg := range args {
go func(arg string) {
defer wg.Done()
doc, err := document.Open(arg)
if err != nil {
fmt.Fprintf(os.Stderr, "error opening %s: %v\n", arg, err)
return
}
defer doc.Close()
infoChan <- doc.Info()
}(arg)
}
go func() {
wg.Wait()
close(infoChan)
}()
var infos []poppler.DocumentInfo
for info := range infoChan {
infos = append(infos, info)
}
var jsonBytes []byte
if indent {
jsonBytes, err = json.MarshalIndent(infos, "", " ")
} else {
jsonBytes, err = json.Marshal(infos)
}
if err != nil {
panic(err)
}
fmt.Println(string(jsonBytes))
},
}
func init() {
rootCmd.AddCommand(infoCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// infoCmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// infoCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
infoCmd.Flags().BoolP("indent", "i", false, "indent the json data")
}
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