1 files changed, 234 insertions, 0 deletions
diff --git a/commands/bridge/bridge_new.go b/commands/bridge/bridge_new.go
new file mode 100644
index 00000000..4cfc903d
--- /dev/null
+++ b/commands/bridge/bridge_new.go
@@ -0,0 +1,234 @@
+package bridgecmd
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+
+	"github.com/spf13/cobra"
+
+	"github.com/MichaelMure/git-bug/bridge"
+	"github.com/MichaelMure/git-bug/bridge/core"
+	"github.com/MichaelMure/git-bug/bridge/core/auth"
+	"github.com/MichaelMure/git-bug/commands/completion"
+	"github.com/MichaelMure/git-bug/commands/execenv"
+	"github.com/MichaelMure/git-bug/repository"
+)
+
+type bridgeNewOptions struct {
+	name           string
+	target         string
+	params         core.BridgeParams
+	token          string
+	tokenStdin     bool
+	nonInteractive bool
+}
+
+func newBridgeNewCommand() *cobra.Command {
+	env := execenv.NewEnv()
+	options := bridgeNewOptions{}
+
+	cmd := &cobra.Command{
+		Use:   "new",
+		Short: "Configure a new bridge",
+		Long: `	Configure a new bridge by passing flags or/and using interactive terminal prompts. You can avoid all the terminal prompts by passing all the necessary flags to configure your bridge.`,
+		Example: `# Interactive example
+[1]: github
+[2]: gitlab
+[3]: jira
+[4]: launchpad-preview
+
+target: 1
+name [default]: default
+
+Detected projects:
+[1]: github.com/a-hilaly/git-bug
+[2]: github.com/MichaelMure/git-bug
+
+[0]: Another project
+
+Select option: 1
+
+[1]: user provided token
+[2]: interactive token creation
+Select option: 1
+
+You can generate a new token by visiting https://github.com/settings/tokens.
+Choose 'Generate new token' and set the necessary access scope for your repository.
+
+The access scope depend on the type of repository.
+Public:
+	- 'public_repo': to be able to read public repositories
+Private:
+	- 'repo'       : to be able to read private repositories
+
+Enter token: 87cf5c03b64029f18ea5f9ca5679daa08ccbd700
+Successfully configured bridge: default
+
+# For GitHub
+git bug bridge new \
+    --name=default \
+    --target=github \
+    --owner=$(OWNER) \
+    --project=$(PROJECT) \
+    --token=$(TOKEN)
+
+# For Launchpad
+git bug bridge new \
+    --name=default \
+    --target=launchpad-preview \
+    --url=https://bugs.launchpad.net/ubuntu/
+
+# For Gitlab
+git bug bridge new \
+    --name=default \
+    --target=github \
+    --url=https://github.com/michaelmure/git-bug \
+    --token=$(TOKEN)`,
+		PreRunE: execenv.LoadBackend(env),
+		RunE: execenv.CloseBackend(env, func(cmd *cobra.Command, args []string) error {
+			return runBridgeNew(env, options)
+		}),
+	}
+
+	flags := cmd.Flags()
+	flags.SortFlags = false
+
+	flags.StringVarP(&options.name, "name", "n", "", "A distinctive name to identify the bridge")
+	flags.StringVarP(&options.target, "target", "t", "",
+		fmt.Sprintf("The target of the bridge. Valid values are [%s]", strings.Join(bridge.Targets(), ",")))
+	cmd.RegisterFlagCompletionFunc("target", completion.From(bridge.Targets()))
+	flags.StringVarP(&options.params.URL, "url", "u", "", "The URL of the remote repository")
+	flags.StringVarP(&options.params.BaseURL, "base-url", "b", "", "The base URL of your remote issue tracker")
+	flags.StringVarP(&options.params.Login, "login", "l", "", "The login on your remote issue tracker")
+	flags.StringVarP(&options.params.CredPrefix, "credential", "c", "", "The identifier or prefix of an already known credential for your remote issue tracker (see \"git-bug bridge auth\")")
+	flags.StringVar(&options.token, "token", "", "A raw authentication token for the remote issue tracker")
+	flags.BoolVar(&options.tokenStdin, "token-stdin", false, "Will read the token from stdin and ignore --token")
+	flags.StringVarP(&options.params.Owner, "owner", "o", "", "The owner of the remote repository")
+	flags.StringVarP(&options.params.Project, "project", "p", "", "The name of the remote repository")
+	flags.BoolVar(&options.nonInteractive, "non-interactive", false, "Do not ask for user input")
+
+	return cmd
+}
+
+func runBridgeNew(env *execenv.Env, opts bridgeNewOptions) error {
+	var err error
+
+	if (opts.tokenStdin || opts.token != "" || opts.params.CredPrefix != "") &&
+		(opts.name == "" || opts.target == "") {
+		return fmt.Errorf("you must provide a bridge name and target to configure a bridge with a credential")
+	}
+
+	// early fail
+	if opts.params.CredPrefix != "" {
+		if _, err := auth.LoadWithPrefix(env.Repo, opts.params.CredPrefix); err != nil {
+			return err
+		}
+	}
+
+	switch {
+	case opts.tokenStdin:
+		reader := bufio.NewReader(os.Stdin)
+		token, err := reader.ReadString('\n')
+		if err != nil {
+			return fmt.Errorf("reading from stdin: %v", err)
+		}
+		opts.params.TokenRaw = strings.TrimSpace(token)
+	case opts.token != "":
+		opts.params.TokenRaw = opts.token
+	}
+
+	if !opts.nonInteractive && opts.target == "" {
+		opts.target, err = promptTarget()
+		if err != nil {
+			return err
+		}
+	}
+
+	if !opts.nonInteractive && opts.name == "" {
+		opts.name, err = promptName(env.Repo)
+		if err != nil {
+			return err
+		}
+	}
+
+	b, err := bridge.NewBridge(env.Backend, opts.target, opts.name)
+	if err != nil {
+		return err
+	}
+
+	err = b.Configure(opts.params, !opts.nonInteractive)
+	if err != nil {
+		return err
+	}
+
+	env.Out.Printf("Successfully configured bridge: %s\n", opts.name)
+	return nil
+}
+
+func promptTarget() (string, error) {
+	// TODO: use the reusable prompt from the input package
+	targets := bridge.Targets()
+
+	for {
+		for i, target := range targets {
+			fmt.Printf("[%d]: %s\n", i+1, target)
+		}
+		fmt.Printf("target: ")
+
+		line, err := bufio.NewReader(os.Stdin).ReadString('\n')
+
+		if err != nil {
+			return "", err
+		}
+
+		line = strings.TrimSpace(line)
+
+		index, err := strconv.Atoi(line)
+		if err != nil || index <= 0 || index > len(targets) {
+			fmt.Println("invalid input")
+			continue
+		}
+
+		return targets[index-1], nil
+	}
+}
+
+func promptName(repo repository.RepoConfig) (string, error) {
+	// TODO: use the reusable prompt from the input package
+	const defaultName = "default"
+
+	defaultExist := core.BridgeExist(repo, defaultName)
+
+	for {
+		if defaultExist {
+			fmt.Printf("name: ")
+		} else {
+			fmt.Printf("name [%s]: ", defaultName)
+		}
+
+		line, err := bufio.NewReader(os.Stdin).ReadString('\n')
+		if err != nil {
+			return "", err
+		}
+
+		line = strings.TrimSpace(line)
+
+		name := line
+		if defaultExist && name == "" {
+			continue
+		}
+
+		if name == "" {
+			name = defaultName
+		}
+
+		if !core.BridgeExist(repo, name) {
+			return name, nil
+		}
+
+		fmt.Println("a bridge with the same name already exist")
+	}
+}