// method runner for pasting
package paste

import (
	"fmt"
	"io/ioutil"
	"os"

	"github.com/rocky-linux/rpaste/modules/utility"
	"github.com/urfave/cli/v2"
)

var (
	PasteMethod = &cli.Command{
		Name:        "Paste",
		Usage:       "Pastes content to pastebin",
		Description: `This is the default action for the rpaste utility.`,
		Action:      runPaste,
	}
	PasteData string
)

func runPaste(ctx *cli.Context) error {
	// check
	stdMethod := utility.StdInChecker()
	sysInfoMethod := ctx.Bool("sysinfo")
	pasteBinGoTo := ctx.String("pastebin")
	dryMode := ctx.Bool("dry")

	// Check sysinfo is enabled and run through all the required stuff
	if sysInfoMethod {
		PasteData = SysInfoGather()
	}

	if stdMethod && PasteData == "" {
		fio, err := os.Stdin.Stat()
		if (fio.Mode() & os.ModeCharDevice) == 0 {
			bytes, _ := ioutil.ReadAll(os.Stdin)
			PasteData = string(bytes)
		} else if err != nil {
			fmt.Printf("Could not read from stdin: (%s)\n", err)
			os.Exit(1)
		}
	} else if !stdMethod && PasteData == "" {
		argList := os.Args
		lastArg := argList[len(argList)-1]
		if lastArg != os.Args[0] {
			fileBytes, err := ioutil.ReadFile(lastArg)
			if err != nil {
				panic(err)
			}
			PasteData = string(fileBytes)
		}
	}

	// Final check to see if there's paste data
	if PasteData == "" {
		cli.ShowAppHelp(ctx)
		os.Exit(0)
	}

	// Check that PasteData is text, and not binary
	// fmt.Println("You cannot upload binary data.")

	if dryMode {
		fmt.Printf(PasteData)
	} else {
		switch pasteBinGoTo {
		case "rpaste":
			Rpaste(ctx.String("life"), ctx.String("type"), PasteData)
		case "fpaste":
			Fpaste(ctx.String("life"), ctx.String("type"), PasteData)
		}
	}

	return nil
}