g_cmdstr = ''

def _getCmdParam():
    return g_cmdstr[1:]

def _b_cmd(browser, tab, scriptmgr, params):
    filename = params[0].split(':')[0]
    line = int(params[0].split(':')[1])
    url = scriptmgr.getUrl(filename)
    print(params, url)
    tab.call_method("Debugger.setBreakpointByUrl",
                    lineNumber=line,
                    url=url,
                    columnNumber=0,
                    condition=''
    )

def _bc_cmd(browser, tab, scriptmgr, params):
    filename = params[0].split(':')[0]
    line = int(params[0].split(':')[1])
    url = scriptmgr.getUrl(filename)
    print(params, url)
    tab.call_method("Debugger.setBreakpointByUrl",
                    lineNumber=line,
                    url=url,
                    columnNumber=0,
                    condition=''
    )

def _bt_cmd(browser, tab, scriptmgr, params):
    scriptmgr.dumpStack()

def _p_cmd(browser, tab, scriptmgr, params):
    tab.call_method("Debugger.evaluateOnCallFrame",
                    callFrameId=scriptmgr.getFrameId(),
                    expression='console.log(' + _getCmdParam() + ')'
    )

def _f_cmd(browser, tab, scriptmgr, params):
    scriptmgr.curr_frame = int(params[0])

def _n_cmd(browser, tab, scriptmgr, params):
    tab.call_method("Debugger.pause")

def _s_cmd(browser, tab, scriptmgr, params):
    tab.call_method("Debugger.stepInto")

def _c_cmd(browser, tab, scriptmgr, params):
    tab.call_method("Debugger.resume")

def _sout_cmd(browser, tab, scriptmgr, params):
    tab.call_method("Debugger.stepOut")

def _sover_cmd(browser, tab, scriptmgr, params):
    tab.call_method("Debugger.stepOver")

def _debugon_cmd(browser, tab, scriptmgr, params):
    tab.debug = True
    print('debug on')

def _debugoff_cmd(browser, tab, scriptmgr, params):
    tab.debug = False
    print('debug off')

def _exit_cmd(browser, tab, scriptmgr, params):
    print('quit')
    exit(0)

def _processCdbCmd(cmd_str, browser, tab, scriptmgr):
    global g_cmdstr
    g_cmdstr = cmd_str
    cmdlist = cmd_str.split(' ')
    if len(cmdlist) < 1:
        return
    cmd_hash = {
        'b': _b_cmd,
        'bc': _bc_cmd,
        'bt': _bt_cmd,
        'p': _p_cmd,
        'f': _f_cmd,
        'n': _n_cmd,
        's': _s_cmd,
        'sout': _sout_cmd,
        'sover': _sover_cmd,
        'c': _c_cmd,
        'debugon': _debugon_cmd,
        'debugoff': _debugoff_cmd,
        'q': _exit_cmd,
    }
    if cmdlist[0] in cmd_hash:
        cmd_hash[cmdlist[0]](browser, tab, scriptmgr, cmdlist[1:])
    else:
        print('not found %s cmd' % cmdlist[0])

def processCmd(browser, tab, scriptmgr, cmdline):
    try:
        if len(cmdline) > 0 :
            if cmdline[0] == '!':
                msg = eval(cmdline[1:])
            else:
                _processCdbCmd(cmdline, browser, tab, scriptmgr)
    except Exception as e:
        print(e)