package cmd

import (
	"github.com/rsteube/carapace"
	"github.com/rsteube/carapace-bin/pkg/actions/os"
	"github.com/rsteube/carapace-bin/pkg/actions/tools/git"
	"github.com/spf13/cobra"
)

var rebaseCmd = &cobra.Command{
	Use:     "rebase",
	Short:   "Reapply commits on top of another base tip",
	Run:     func(cmd *cobra.Command, args []string) {},
	GroupID: groups[group_main].ID,
}

func init() {
	carapace.Gen(rebaseCmd).Standalone()

	rebaseCmd.Flags().StringS("C", "C", "", "passed to 'git apply'")
	rebaseCmd.Flags().Bool("abort", false, "abort and check out the original branch")
	rebaseCmd.Flags().Bool("apply", false, "use apply strategies to rebase")
	rebaseCmd.Flags().Bool("autosquash", false, "move commits that begin with squash!/fixup! under -i")
	rebaseCmd.Flags().Bool("autostash", false, "automatically stash/stash pop before and after")
	rebaseCmd.Flags().Bool("committer-date-is-author-date", false, "passed to 'git am'")
	rebaseCmd.Flags().Bool("continue", false, "continue")
	rebaseCmd.Flags().Bool("edit-todo", false, "edit the todo list during an interactive rebase")
	rebaseCmd.Flags().String("empty", "", "how to handle commits that become empty")
	rebaseCmd.Flags().StringP("exec", "x", "", "add exec lines after each commit of the editable list")
	rebaseCmd.Flags().BoolP("force-rebase", "f", false, "cherry-pick all commits, even if unchanged")
	rebaseCmd.Flags().Bool("fork-point", false, "use 'merge-base --fork-point' to refine upstream")
	rebaseCmd.Flags().StringP("gpg-sign", "S", "", "GPG-sign commits")
	rebaseCmd.Flags().Bool("ignore-date", false, "passed to 'git am'")
	rebaseCmd.Flags().Bool("ignore-whitespace", false, "passed to 'git am'")
	rebaseCmd.Flags().BoolP("interactive", "i", false, "let the user edit the list of commits to rebase")
	rebaseCmd.Flags().Bool("keep-base", false, "use the merge-base of upstream and branch as the current base")
	rebaseCmd.Flags().BoolP("merge", "m", false, "use merging strategies to rebase")
	rebaseCmd.Flags().Bool("no-ff", false, "cherry-pick all commits, even if unchanged")
	rebaseCmd.Flags().BoolP("no-stat", "n", false, "do not show diffstat of what changed upstream")
	rebaseCmd.Flags().Bool("no-verify", false, "allow pre-rebase hook to run")
	rebaseCmd.Flags().String("onto", "", "rebase onto given branch instead of upstream")
	rebaseCmd.Flags().BoolP("quiet", "q", false, "be quiet. implies --no-stat")
	rebaseCmd.Flags().Bool("quit", false, "abort but keep HEAD where it is")
	rebaseCmd.Flags().Bool("reapply-cherry-picks", false, "apply all changes, even those already present upstream")
	rebaseCmd.Flags().StringP("rebase-merges", "r", "", "try to rebase merges instead of skipping them")
	rebaseCmd.Flags().Bool("rerere-autoupdate", false, "update the index with reused conflict resolution if possible")
	rebaseCmd.Flags().Bool("reschedule-failed-exec", false, "automatically re-schedule any `exec` that fails")
	rebaseCmd.Flags().Bool("root", false, "rebase all reachable commits up to the root(s)")
	rebaseCmd.Flags().Bool("show-current-patch", false, "show the patch file being applied or merged")
	rebaseCmd.Flags().Bool("signoff", false, "add a Signed-off-by: line to each commit")
	rebaseCmd.Flags().Bool("skip", false, "skip current patch and continue")
	rebaseCmd.Flags().StringP("strategy", "s", "", "use the given merge strategy")
	rebaseCmd.Flags().StringP("strategy-option", "X", "", "pass the argument through to the merge strategy")
	rebaseCmd.Flags().BoolP("verbose", "v", false, "display a diffstat of what changed upstream")
	rebaseCmd.Flags().String("whitespace", "", "passed to 'git apply'")
	rootCmd.AddCommand(rebaseCmd)

	rebaseCmd.Flag("gpg-sign").NoOptDefVal = " "
	rebaseCmd.Flag("rebase-merges").NoOptDefVal = " "

	carapace.Gen(rebaseCmd).FlagCompletion(carapace.ActionMap{
		"empty":         carapace.ActionValues("drop", "keep", "ask"),
		"gpg-sign":      os.ActionGpgKeyIds(),
		"onto":          git.ActionRefs(git.RefOption{}.Default()),
		"rebase-merges": carapace.ActionValues("rebase-cousins", "no-rebase-cousins"),
		"strategy":      git.ActionMergeStrategy(),
		"strategy-option": carapace.ActionCallback(func(c carapace.Context) carapace.Action {
			return git.ActionMergeStrategyOptions(rebaseCmd.Flag("strategy").Value.String())
		}),
		"whitespace": git.ActionWhitespaceModes(),
	})

	carapace.Gen(rebaseCmd).PositionalCompletion(
		carapace.ActionCallback(func(c carapace.Context) carapace.Action {
			if !rebaseCmd.Flag("continue").Changed &&
				!rebaseCmd.Flag("abort").Changed &&
				!rebaseCmd.Flag("skip").Changed &&
				!rebaseCmd.Flag("edit-todo").Changed {
				return git.ActionRefs(git.RefOption{}.Default())
			} else {
				return carapace.ActionValues()
			}
		}),
	)
}