wren/apps/phonebook.wren

#!/usr/local/bin/wren
// wren source code generator v1.0
// Generation time: 0.101419

import "io" for File, Directory, Stdin, Stdout
import "sqlite" for Database

class Phonebook {
  construct new() {
    _db = Database.memory()
    init_()
  }

  init_() {
    _db.execute("CREATE TABLE IF NOT EXISTS contacts (id INTEGER PRIMARY KEY, name TEXT, phone TEXT)", [])
  }

  add(name, phone) {
    _db.execute("INSERT INTO contacts (name, phone) VALUES (?, ?)", [name, phone])
    System.print("Contact added: %(name)")
  }

  list() {
    var rows = _db.query("SELECT * FROM contacts", [])
    if (rows.isEmpty) {
      System.print("No contacts found.")
      return
    }
    System.print("\n--- Phonebook ---")
    for (row in rows) {
      System.print("%(row["name"]) : %(row["phone"])")
    }
    System.print("")
  }

  search(name) {
    var rows = _db.query("SELECT * FROM contacts WHERE name LIKE ?", ["\%" + name + "\%"])
    if (rows.isEmpty) {
      System.print("No contacts found for '%(name)'.")
      return
    }
    System.print("\n--- Search Results ---")
    for (row in rows) {
      System.print("%(row[1]) : %(row[2])")
    }
    System.print("")
  }

  delete(name) {
    _db.execute("DELETE FROM contacts WHERE name = ?", [name])
    System.print("Contact deleted: %(name)")
  }

  run() {
    System.print("\n=== CLI Phonebook ===")
    var running = true
    while (running) {
      System.print("\n1. Add contact")
      System.print("2. List contacts")
      System.print("3. Search contact")
      System.print("4. Delete contact")
      System.print("5. Exit")
      System.write("Choose option: ")
      Stdout.flush()
      var choice = Stdin.readLine().trim()

      if (choice == "1") {
        System.write("Name: ")
        Stdout.flush()
        var name = Stdin.readLine().trim()
        System.write("Phone: ")
        Stdout.flush()
        var phone = Stdin.readLine().trim()
        add(name, phone)
      } else if (choice == "2") {
        list()
      } else if (choice == "3") {
        System.write("Search name: ")
        Stdout.flush()
        var name = Stdin.readLine().trim()
        search(name)
      } else if (choice == "4") {
        System.write("Contact name to delete: ")
        Stdout.flush()
        var name = Stdin.readLine().trim()
        delete(name)
      } else if (choice == "5") {
        System.print("Goodbye!")
        running = false
      } else {
        System.print("Invalid option.")
      }
    }
  }
}

var pb = Phonebook.new()
pb.run()