package main

import (
	"fmt"
	"github.com/urfave/cli"
	"github.com/zhexiao/mtef-go/docx"
	"github.com/zhexiao/mtef-go/eqn"
	"log"
	"os"
	"time"
)

func main() {
	var filepath, docxDocument, outputFile string

	app := cli.NewApp()
	app.Name = "Mtef"
	app.Usage = "Convert MSDocx Mathtype Ole object to Latex code"
	app.Version = "2.0"
	app.EnableBashCompletion = true

	app.Flags = []cli.Flag{
		cli.StringFlag{
			Name:        "filepath, f",
			Usage:       "Mathtype Ole object filepath",
			Destination: &filepath,
		},
		cli.StringFlag{
			Name:        "wordDocx, w",
			Usage:       "Office word docx documents",
			Destination: &docxDocument,
		},
		cli.StringFlag{
			Name:        "output, o",
			Usage:       "Output file path",
			Destination: &outputFile,
		},
	}

	app.Action = func(c *cli.Context) error {
		var result string
		var err error

		if filepath != "" {
			if _, err = os.Stat(filepath); os.IsNotExist(err) {
				fmt.Println("File not exist!!!!")
				return nil
			}
			result = eqn.Convert(filepath)
		} else if docxDocument != "" {
			if _, err = os.Stat(docxDocument); os.IsNotExist(err) {
				fmt.Println("File not exist!!!!")
				return nil
			}

			dw := docx.DocxWord{
				Filename: docxDocument,
				Target:   fmt.Sprintf("/tmp/%v", time.Now().UnixNano()),
			}
			result, err = dw.ParseDocx()
			if err != nil {
				return err
			}
		}

		if outputFile != "" {
			err = os.WriteFile(outputFile, []byte(result), 0644)
			if err != nil {
				return fmt.Errorf("failed to write output: %v", err)
			}
			fmt.Printf("Output saved to %s\n", outputFile)
		} else {
			fmt.Println(result)
		}

		return nil
	}

	err := app.Run(os.Args)
	if err != nil {
		log.Panic(err)
	}
}