package command

import (
	"context"
	"fmt"

	"gitoa.ru/go-4devs/console"
	"gitoa.ru/go-4devs/console/input"
	"gitoa.ru/go-4devs/console/input/argument"
	"gitoa.ru/go-4devs/console/input/option"
	"gitoa.ru/go-4devs/console/output"
	"gitoa.ru/go-4devs/mime/scripts/mime"
)

const (
	ArgFile        = "file"
	OptExtTpl      = "ext-tpl"
	OptExtPackage  = "ext-package"
	OptExtResult   = "ext-result"
	OptMimeTpl     = "mime-tpl"
	OptMimePackage = "mime-package"
	OptMimeResult  = "mime-result"
)

func Mime() *console.Command {
	return &console.Command{
		Name:        "mime",
		Description: "generate mime from file",
		Configure: func(ctx context.Context, cfg *input.Definition) error {
			cfg.SetArgument(ArgFile, "file", argument.Required)
			cfg.SetOptions(
				option.String(OptExtTpl, "extension template", option.Default("mime/tpl/extension.text.tmpl")),
				option.String(OptExtPackage, "extension package", option.Default("mime")),
				option.String(OptExtResult, "extension result", option.Default("../extension.go")),
				option.String(OptMimeTpl, "mime template", option.Default("mime/tpl/mime.text.tmpl")),
				option.String(OptMimePackage, "mime package", option.Default("mime")),
				option.String(OptMimeResult, "mime result", option.Default("../mime.go")),
			)

			return nil
		},
		Execute: func(ctx context.Context, input input.Input, output output.Output) error {
			file := input.Argument(ctx, ArgFile).String()
			opts := []mime.Option{
				mime.WithExtTpl(input.Option(ctx, OptExtTpl).String()),
				mime.WithExtPacakge(input.Option(ctx, OptExtPackage).String()),
				mime.WithExtResult(input.Option(ctx, OptExtResult).String()),
				mime.WithMimeTpl(input.Option(ctx, OptMimeTpl).String()),
				mime.WithMimePackage(input.Option(ctx, OptMimePackage).String()),
				mime.WithMimeResult(input.Option(ctx, OptMimeResult).String()),
			}

			if err := mime.Generate(file, opts...); err != nil {
				return fmt.Errorf("generate:%w", err)
			}

			return nil
		},
	}
}