package main

import (
	"context"
	"fmt"
	"os"

	"dehub.dev/src/dehub.git"
	"dehub.dev/src/dehub.git/cmd/dehub/dcmd"
)

type cmdCtxKey int

const (
	cmdCtxKeyRepo cmdCtxKey = iota
)

func ctxRepo(ctx context.Context) *dehub.Repo {
	repo, ok := ctx.Value(cmdCtxKeyRepo).(*dehub.Repo)
	if !ok {
		panic("repo not initialized on the command context")
	}
	return repo
}

func main() {
	cmd := dcmd.New()
	flag := cmd.FlagSet()
	bare := flag.Bool("bare", false, "If set then dehub will expect to be working with a bare repo")

	cmd.SubCmd("commit", "commits staged changes to the head of the current branch", cmdCommit)
	cmd.SubCmd("verify", "verifies one or more commits as having the proper credentials", cmdVerify)
	cmd.SubCmd("hook", "use dehub as a git hook", cmdHook)
	cmd.SubCmd("combine", "Combine multiple change and credential commits into a single commit", cmdCombine)

	cmd.Run(func() (context.Context, error) {
		repo, err := dehub.OpenRepo(".", dehub.OpenBare(*bare))
		if err != nil {
			wd, _ := os.Getwd()
			return nil, fmt.Errorf("failed to OpenRepo at %q: %w", wd, err)
		}

		return context.WithValue(context.Background(), cmdCtxKeyRepo, repo), nil
	})
}