// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package cmd

import (
	"log"
	"path"
	"strings"

	"code.gitea.io/tea/cmd/flags"
	"code.gitea.io/tea/modules/config"
	local_git "code.gitea.io/tea/modules/git"

	"github.com/skratchdot/open-golang/open"
	"github.com/urfave/cli/v2"
)

// CmdOpen represents a sub command of issues to open issue on the web browser
var CmdOpen = cli.Command{
	Name:        "open",
	Usage:       "Open something of the repository on web browser",
	Description: `Open something of the repository on web browser`,
	Action:      runOpen,
	Flags:       append([]cli.Flag{}, flags.LoginRepoFlags...),
}

func runOpen(ctx *cli.Context) error {
	login, owner, repo := config.InitCommand(flags.GlobalRepoValue, flags.GlobalLoginValue, flags.GlobalRemoteValue)

	var suffix string
	number := ctx.Args().Get(0)
	switch {
	case strings.EqualFold(number, "issues"):
		suffix = "issues"
	case strings.EqualFold(number, "pulls"):
		suffix = "pulls"
	case strings.EqualFold(number, "releases"):
		suffix = "releases"
	case strings.EqualFold(number, "commits"):
		repo, err := local_git.RepoForWorkdir()
		if err != nil {
			log.Fatal(err)
		}
		b, err := repo.Head()
		if err != nil {
			log.Fatal(err)
			return nil
		}
		name := b.Name()
		switch {
		case name.IsBranch():
			suffix = "commits/branch/" + name.Short()
		case name.IsTag():
			suffix = "commits/tag/" + name.Short()
		}
	case strings.EqualFold(number, "branches"):
		suffix = "branches"
	case strings.EqualFold(number, "wiki"):
		suffix = "wiki"
	case strings.EqualFold(number, "activity"):
		suffix = "activity"
	case strings.EqualFold(number, "settings"):
		suffix = "settings"
	case strings.EqualFold(number, "labels"):
		suffix = "labels"
	case strings.EqualFold(number, "milestones"):
		suffix = "milestones"
	case number != "":
		suffix = "issues/" + number
	default:
		suffix = number
	}

	u := path.Join(login.URL, owner, repo, suffix)
	err := open.Run(u)
	if err != nil {
		log.Fatal(err)
	}

	return nil
}