291 lines
7.3 KiB
Go
291 lines
7.3 KiB
Go
package repl
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import (
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"context"
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"fmt"
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"os"
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"os/exec"
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"strings"
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"github.com/LazyBachelor/LazyPM/internal/service"
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"github.com/LazyBachelor/LazyPM/pkg/cli"
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"github.com/LazyBachelor/LazyPM/pkg/cli/commands"
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"github.com/LazyBachelor/LazyPM/pkg/cli/styles"
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"github.com/c-bata/go-prompt"
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"github.com/muesli/reflow/truncate"
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"golang.org/x/term"
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)
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const (
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ReplHelp = `Type 'pm help' for available PM commands.
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You can also run shell commands directly. Type 'exit' or 'quit' to leave.`
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ReplTitle = "Welcome to Project Management CLI! " + ReplHelp
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)
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func RunREPL(ctx context.Context, config cli.CLIConfig) error {
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oldState, err := term.GetState(int(os.Stdin.Fd()))
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if err != nil {
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return fmt.Errorf("failed to get terminal state: %w", err)
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}
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svc, cleanup, err := service.NewServices(ctx, config)
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if err != nil {
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return fmt.Errorf("failed to initialize services: %w", err)
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}
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defer cleanup()
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commands.SetServices(svc)
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fmt.Println("\n" + styles.TitleStyle.Render(ReplTitle))
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var history []string
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for {
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input := prompt.Input(
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"› ",
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completer,
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prompt.OptionPrefixTextColor(prompt.Cyan),
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prompt.OptionMaxSuggestion(5),
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prompt.OptionSuggestionBGColor(prompt.DefaultColor),
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prompt.OptionSelectedSuggestionBGColor(prompt.DefaultColor),
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prompt.OptionDescriptionBGColor(prompt.DefaultColor),
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prompt.OptionSelectedDescriptionBGColor(prompt.DefaultColor),
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prompt.OptionPreviewSuggestionBGColor(prompt.DefaultColor),
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prompt.OptionScrollbarBGColor(prompt.DefaultColor),
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prompt.OptionHistory(history),
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)
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input = strings.TrimSpace(input)
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if input == "" {
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continue
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}
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if input == "exit" || input == "quit" {
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fmt.Println("Goodbye!")
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break
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}
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if input == "help" {
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fmt.Println(ReplHelp)
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continue
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}
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if input == "title" {
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fmt.Println(styles.TitleStyle.Render(ReplTitle))
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continue
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}
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history = append(history, input)
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if after, ok := strings.CutPrefix(input, "pm "); ok {
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pmCmd := strings.TrimSpace(after)
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if pmCmd == "" {
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continue
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}
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args := strings.Fields(pmCmd)
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output, err := commands.ExecuteArgsString(args)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error: %v\n", err)
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}
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if output != "" {
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fmt.Println(styles.CommandStyle.Render(output))
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}
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} else {
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cmd := exec.Command("sh", "-c", input)
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out, err := cmd.CombinedOutput()
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if len(out) > 0 {
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fmt.Println(styles.CommandStyle.Render(string(out)))
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}
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if err != nil && len(out) == 0 {
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fmt.Fprintf(os.Stderr, "%s", fmt.Sprintf("Error: %v", err))
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}
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}
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}
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if err := term.Restore(int(os.Stdin.Fd()), oldState); err != nil {
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return fmt.Errorf("failed to restore terminal state: %w", err)
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}
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return nil
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}
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func completer(d prompt.Document) []prompt.Suggest {
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text := d.TextBeforeCursor()
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words := strings.Fields(text)
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if len(words) == 0 {
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return nil
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}
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if words[0] != "pm" {
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suggestions := []prompt.Suggest{
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{Text: "pm", Description: "Project Management System"},
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{Text: "exit", Description: "Exit pm CLI"},
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{Text: "help", Description: "Show help information"},
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{Text: "title", Description: "Print the welcome title"},
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{Text: "git", Description: "Version control system"},
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}
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if len(words) == 0 {
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return suggestions
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}
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var filtered []prompt.Suggest
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for _, s := range suggestions {
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if strings.HasPrefix(s.Text, words[0]) {
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filtered = append(filtered, s)
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}
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}
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return filtered
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}
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// If first word is "pm", provide PM command completions
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if words[0] == "pm" {
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// Remove "pm" from words to get the actual command
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if len(words) == 1 || (len(words) == 2 && !strings.HasSuffix(text, " ")) {
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return commandSuggestions(words[1:])
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}
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// Get the PM subcommand
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if len(words) >= 2 {
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cmd := words[1]
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return flagSuggestions(cmd, words[1:], text)
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}
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}
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return nil
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}
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func commandSuggestions(words []string) []prompt.Suggest {
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suggestions := []prompt.Suggest{
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{Text: "help", Description: "Show help information"},
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{Text: "delete", Description: "Delete an issue by ID"},
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{Text: "create", Description: "Create a new issue with title"},
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{Text: "describe", Description: "Get issue details by ID"},
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{Text: "list", Description: "List all issues"},
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}
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if len(words) == 0 {
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return suggestions
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}
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var filtered []prompt.Suggest
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for _, s := range suggestions {
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if strings.HasPrefix(s.Text, words[0]) {
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filtered = append(filtered, s)
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}
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}
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return filtered
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}
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func flagSuggestions(cmd string, words []string, text string) []prompt.Suggest {
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var flagSuggests []prompt.Suggest
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isCompleteWord := strings.HasSuffix(text, " ")
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lastWord := ""
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if len(words) > 0 && !isCompleteWord {
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lastWord = words[len(words)-1]
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}
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switch cmd {
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case "create", "add":
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flagSuggests = []prompt.Suggest{
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{Text: "--desc", Description: "Issue description"},
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{Text: "--status", Description: "Issue status (open, closed, in_progress)"},
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{Text: "--type", Description: "Issue type (bug, feature, task)"},
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{Text: "--priority", Description: "Issue priority (0-5)"},
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}
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return filterAndCompleteFlags(flagSuggests, lastWord, words)
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case "ls", "list", "search":
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flagSuggests = []prompt.Suggest{
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{Text: "--title", Description: "Filter by title"},
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{Text: "--desc", Description: "Filter by description"},
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{Text: "--status", Description: "Filter by status (open, closed, in_progress)"},
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{Text: "--type", Description: "Filter by type (bug, feature, task)"},
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{Text: "--priority", Description: "Filter by priority (0-5)"},
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{Text: "--limit", Description: "Limit number of results"},
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}
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return filterAndCompleteFlags(flagSuggests, lastWord, words)
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case "describe", "get", "read":
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return issueIdSuggestions(words)
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case "delete":
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return issueIdSuggestions(words)
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}
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return nil
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}
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func issueIdSuggestions(words []string) []prompt.Suggest {
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if len(words) < 2 {
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return nil
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}
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// Get the partial ID being typed
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partial := ""
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if len(words) >= 2 {
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partial = words[len(words)-1]
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}
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issues, _ := commands.GetIssueCompletions(context.Background(), partial)
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var suggestions []prompt.Suggest
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for _, issue := range issues {
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suggestions = append(suggestions, prompt.Suggest{
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Text: issue.ID, Description: truncate.String(issue.Title, 20),
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})
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}
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return suggestions
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}
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func filterAndCompleteFlags(suggestions []prompt.Suggest, lastWord string, words []string) []prompt.Suggest {
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if len(words) >= 2 {
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prevWord := words[len(words)-2]
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switch prevWord {
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case "-s", "--status":
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return []prompt.Suggest{
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{Text: "open", Description: "Open status"},
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{Text: "closed", Description: "Closed status"},
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{Text: "in_progress", Description: "In progress status"},
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}
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case "-t", "--type":
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return []prompt.Suggest{
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{Text: "bug", Description: "Bug issue type"},
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{Text: "feature", Description: "Feature issue type"},
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{Text: "task", Description: "Task issue type"},
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}
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case "-p", "--priority":
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return []prompt.Suggest{
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{Text: "0", Description: "Lowest priority"},
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{Text: "1", Description: "Low priority"},
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{Text: "2", Description: "Medium-low priority"},
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{Text: "3", Description: "Medium priority"},
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{Text: "4", Description: "High priority"},
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{Text: "5", Description: "Highest priority"},
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}
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}
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}
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if lastWord == "" {
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return suggestions
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}
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var filtered []prompt.Suggest
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for _, s := range suggestions {
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if strings.HasPrefix(s.Text, lastWord) {
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filtered = append(filtered, s)
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}
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}
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return filtered
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}
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