// Copyright 2026 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package stack

import (
	stdctx "context"

	"gitea.dev/tea/cmd/flags"
	"gitea.dev/tea/modules/context"
	"gitea.dev/tea/modules/print"
	"gitea.dev/tea/modules/task"

	"github.com/urfave/cli/v3"
)

var stackFieldsFlag = flags.FieldsFlag(print.PullStackFields, []string{
	"id", "title", "base", "state", "entries",
})

// CmdStackList represents a sub command to list pull request stacks
var CmdStackList = cli.Command{
	Name:        "list",
	Aliases:     []string{"ls"},
	Usage:       "List pull request stacks of the repository",
	Description: "List pull request stacks of the repository",
	ArgsUsage:   " ", // command does not accept arguments
	Action:      RunStackList,
	Flags:       append([]cli.Flag{stackFieldsFlag}, flags.AllDefaultFlags...),
}

// RunStackList lists pull request stacks of the repository
func RunStackList(requestCtx stdctx.Context, cmd *cli.Command) error {
	ctx, err := context.InitCommand(cmd)
	if err != nil {
		return err
	}
	if err := ctx.Ensure(context.CtxRequirement{RemoteRepo: true}); err != nil {
		return err
	}

	stacks, err := task.ListPullStacks(requestCtx, ctx.Login, ctx.Owner, ctx.Repo)
	if err != nil {
		return err
	}

	fields, err := stackFieldsFlag.GetValues(cmd)
	if err != nil {
		return err
	}

	return print.PullStacksList(stacks, ctx.Output, fields)
}