module Chamomile::Commands

# File lib/chamomile/commands.rb, line 77
def batch(*cmds)
  valid = cmds.flatten.compact
  return nil if valid.empty?

  -> { valid }
end

# File lib/chamomile/commands.rb, line 145
def cancel(token)
  -> { CancelCommand.new(token: token) }
end

# File lib/chamomile/commands.rb, line 134
def cancellable(&block)
  token = CancelToken.new
  wrapped = -> {
    return nil if token.cancelled?

    block.call(token)
  }
  [token, wrapped]
end

# File lib/chamomile/commands.rb, line 250
def clear_screen
  -> { ClearScreenMsg.new }
end

# File lib/chamomile/commands.rb, line 113
def cmd(callable)
  -> { callable.call }
end

# File lib/chamomile/commands.rb, line 188
def cursor_position(row, col)
  -> { CursorPositionCommand.new(row: row, col: col) }
end

# File lib/chamomile/commands.rb, line 192
def cursor_shape(shape)
  -> { CursorShapeCommand.new(shape: shape) }
end

# File lib/chamomile/commands.rb, line 118
def deliver(msg)
  -> { msg }
end

# File lib/chamomile/commands.rb, line 238
def disable_bracketed_paste
  -> { DisableBracketedPasteMsg.new }
end

# File lib/chamomile/commands.rb, line 230
def disable_mouse
  -> { DisableMouseMsg.new }
end

# File lib/chamomile/commands.rb, line 246
def disable_report_focus
  -> { DisableReportFocusMsg.new }
end

# File lib/chamomile/commands.rb, line 234
def enable_bracketed_paste
  -> { EnableBracketedPasteMsg.new }
end

# File lib/chamomile/commands.rb, line 226
def enable_mouse_all_motion
  -> { EnableMouseAllMotionMsg.new }
end

# File lib/chamomile/commands.rb, line 222
def enable_mouse_cell_motion
  -> { EnableMouseCellMotionMsg.new }
end

# File lib/chamomile/commands.rb, line 242
def enable_report_focus
  -> { EnableReportFocusMsg.new }
end

# File lib/chamomile/commands.rb, line 214
def enter_alt_screen
  -> { EnterAltScreenMsg.new }
end

# File lib/chamomile/commands.rb, line 104
def every(duration, &block)
  -> {
    now = Time.now
    next_tick = (now + duration) - (now.to_f % duration)
    sleep(next_tick - Time.now)
    block ? block.call : TickEvent.new(time: Time.now)
  }
end

# File lib/chamomile/commands.rb, line 204
def exec(command, *args, &callback)
  -> { ExecCommand.new(command: command, args: args, callback: callback) }
end

# File lib/chamomile/commands.rb, line 218
def exit_alt_screen
  -> { ExitAltScreenMsg.new }
end

# File lib/chamomile/commands.rb, line 200
def hide_cursor
  -> { CursorVisibilityCommand.new(visible: false) }
end

# File lib/chamomile/commands.rb, line 123
def map(cmd, &transform)
  return nil if cmd.nil?

  -> {
    result = cmd.call
    result ? transform.call(result) : nil
  }
end

# File lib/chamomile/commands.rb, line 73
def none
  nil
end

# File lib/chamomile/commands.rb, line 209
def println(text)
  -> { PrintlnCommand.new(text: text) }
end

# File lib/chamomile/commands.rb, line 69
def quit
  -> { QuitEvent.new }
end

# File lib/chamomile/commands.rb, line 254
def request_window_size
  -> { RequestWindowSizeMsg.new }
end

# File lib/chamomile/commands.rb, line 84
def sequence(*cmds)
  valid = cmds.flatten.compact
  return nil if valid.empty?

  -> { [:sequence, *valid] }
end

# File lib/chamomile/commands.rb, line 163
def shell(command, envelope:, dir: Dir.pwd, env: {})
  -> {
    stdout, stderr, status = Open3.capture3(env, command, chdir: dir)
    ShellResult.new(
      envelope: envelope,
      stdout: stdout.force_encoding("UTF-8"),
      stderr: stderr.force_encoding("UTF-8"),
      status: status.exitstatus,
      success: status.success?
    )
  }
end

# File lib/chamomile/commands.rb, line 196
def show_cursor
  -> { CursorVisibilityCommand.new(visible: true) }
end

# File lib/chamomile/commands.rb, line 152
def stream(&block)
  token = CancelToken.new
  cmd = -> {
    return nil if token.cancelled?

    StreamCommand.new(token: token, producer: block)
  }
  [token, cmd]
end

# File lib/chamomile/commands.rb, line 97
def tick(duration, &block)
  -> {
    sleep(duration)
    block ? block.call : TickEvent.new(time: Time.now)
  }
end

# File lib/chamomile/commands.rb, line 177
def timer(duration, envelope:)
  -> {
    sleep(duration)
    TimerTick.new(envelope: envelope, time: Time.now)
  }
end

# File lib/chamomile/commands.rb, line 184
def window_title(title)
  -> { WindowTitleCommand.new(title: title) }
end