package main

import (
	"context"
	"flag"
	"fmt"
	"net/url"
	"strings"

	"go.jolheiser.com/vanity/sdk"

	"github.com/AlecAivazis/survey/v2"
	"github.com/peterbourgon/ff/v3"
	"github.com/peterbourgon/ff/v3/ffcli"
	"github.com/peterbourgon/ff/v3/fftoml"
)

func New() *ffcli.Command {
	fs := flag.NewFlagSet("vanity", flag.ExitOnError)
	serverFlag := fs.String("server", sdk.DefaultServer, "vanity server to use")
	tokenFlag := fs.String("token", "", "vanity auth token to use")

	cmd := &ffcli.Command{
		Name:       "vanity",
		ShortUsage: "vanity [add|update|remove]",
		ShortHelp:  "Vanity CLI",
		LongHelp:   "Vanity CLI to work with a remote Vanity server",
		FlagSet:    fs,
		Options: []ff.Option{
			ff.WithEnvVarPrefix("VANITY"),
			ff.WithAllowMissingConfigFile(true),
			ff.WithConfigFileFlag("config"),
			ff.WithConfigFileParser(fftoml.New().Parse),
		},
		Subcommands: []*ffcli.Command{
			{
				Name:      "add",
				ShortHelp: "add package",
				LongHelp:  "add a package to the vanity server",
				Exec:      add(tokenFlag, serverFlag),
			},
			{
				Name:      "remove",
				ShortHelp: "remove package",
				LongHelp:  "remove a package from the vanity server",
				Exec:      remove(tokenFlag, serverFlag),
			},
			{
				Name:      "update",
				ShortHelp: "update package",
				LongHelp:  "update a package on the vanity server",
				Exec:      update(tokenFlag, serverFlag),
			},
		},
	}

	return cmd
}

func listPackages(token, server string) ([]sdk.Package, error) {
	client := sdk.New(token, sdk.WithServer(server))
	info, err := client.Info(context.Background())
	if err != nil {
		return nil, err
	}
	return info.Packages, nil
}

func pkgPrompt(def sdk.Package) (sdk.Package, error) {
	if def.Branch == "" {
		def.Branch = "main"
	}
	var pkg sdk.Package
	questions := []*survey.Question{
		{
			Name:     "name",
			Prompt:   &survey.Input{Message: "Name", Default: def.Name},
			Validate: survey.Required,
		},
		{
			Name:     "description",
			Prompt:   &survey.Multiline{Message: "Description", Default: def.Description},
			Validate: survey.Required,
		},
		{
			Name:     "branch",
			Prompt:   &survey.Input{Message: "Branch", Default: def.Branch},
			Validate: survey.Required,
		},
		{
			Name:     "weburl",
			Prompt:   &survey.Input{Message: "Web URL", Default: def.WebURL},
			Validate: validURL,
		},
	}
	if err := survey.Ask(questions, &pkg); err != nil {
		return pkg, err
	}

	defHTTP, defSSH := def.CloneHTTP, def.CloneSSH
	if def.WebURL != pkg.WebURL {
		u, err := url.Parse(pkg.WebURL)
		if err != nil {
			return pkg, err
		}
		defHTTP = pkg.WebURL + ".git"
		defSSH = fmt.Sprintf("git@%s:%s.git", u.Host, strings.TrimPrefix(u.Path, "/"))
	}

	questions = []*survey.Question{
		{
			Name:     "clonehttp",
			Prompt:   &survey.Input{Message: "HTTP(S) CLone URL", Default: defHTTP},
			Validate: validURL,
		},
		{
			Name:     "clonessh",
			Prompt:   &survey.Input{Message: "SSH CLone URL", Default: defSSH},
			Validate: survey.Required,
		},
	}
	if err := survey.Ask(questions, &pkg); err != nil {
		return pkg, err
	}

	return pkg, nil
}