import circuitos
import shlex
import console

class App(circuitos.App):
    def F_main(self):
        self.jump('prompt')

    def F_prompt(self):
        self.console.write(b'CicuitOS sh # ')
        self.store['buf'] = []
        self.jump('input')

    def F_input(self):
        raw_line = console.read(self.console, self.store['buf'])
        if raw_line is not None:
            line = shlex.split(raw_line.decode('ascii'))
            if line:
                try:
                    if line[0] == 'bg':
                        self.os.launch(*line[1:])
                    elif line[0] == 'exit':
                        self.exit()
                    else:
                        pid = self.os.launch(*line)
                        self.wait(pid)
                        self.transfer_console(pid)
                except circuitos.AppNotFound as e:
                    print('error: app not found')
            self.jump('prompt')

    def F_loop(self):
        pass