package cli

import (
	"fmt"
	"gitea-mail-templates/tools/builder"
	"gitea-mail-templates/tools/upstream"
	"github.com/urfave/cli/v2"
	"path/filepath"
)

func BuildCommand() *cli.Command {
	return &cli.Command{Name: "build", Usage: "Generate installable themes from locked official inputs and shared controls", Flags: []cli.Flag{&cli.StringFlag{Name: "folder", Value: "../themes"}}, Action: func(c *cli.Context) error {
		s, err := upstream.Prepare(c.Context, filepath.Dir(c.String("folder")))
		if err != nil {
			return err
		}
		filter, err := builder.Filter(c.Args().Slice())
		if err != nil {
			return err
		}
		packages, err := builder.BuildAll(c.String("folder"), s, filter)
		if err != nil {
			return err
		}
		output := filepath.Join(filepath.Dir(c.String("folder")), "build", "themes")
		if err := builder.Write(output, s, packages); err != nil {
			return err
		}
		fmt.Printf("[PASS] Built %d themes for %s at %s\n", len(packages), s.Lock.Tag, output)
		return nil
	}}
}