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

// Package stack holds the data types shared between the pull request stack API
// client (modules/task) and its output formatting (modules/print).
package stack

// Entry is one pull request participating in a pull request stack.
type Entry struct {
	PullID           int64  `json:"pull_id"`
	ParentPullID     int64  `json:"parent_pull_id"`
	Position         int    `json:"position"`
	State            string `json:"state"`
	LastRestackedSHA string `json:"last_restacked_sha"`
}

// Stack is a same-repository chain of pull requests, bottom first.
type Stack struct {
	ID          int64   `json:"id"`
	RepoID      int64   `json:"repo_id"`
	OwnerID     int64   `json:"owner_id"`
	Title       string  `json:"title"`
	BaseBranch  string  `json:"base_branch"`
	State       string  `json:"state"`
	AutoRestack bool    `json:"auto_restack"`
	Entries     []Entry `json:"entries"`
}

// MergeResult reports how many pull requests of a stack were merged.
type MergeResult struct {
	Merged int64  `json:"merged"`
	Error  string `json:"error,omitempty"`
}