#!/usr/bin/python
#
# Interactive shell for using QA test suite



import os, sys
from optparse import OptionParser
from traceback import print_exc
from qa import utils
from qa.QAAPI import QAAPI

sys.path.append(os.path.dirname(os.path.realpath(sys.argv[0])))

parser = OptionParser(add_help_option = False)
parser.add_option("-f", "--config", help = "configuration file")
parser.add_option("-l", "--log", help="enable logging")
parser.add_option("-v", "--verbose", help="be verbose")
parser.add_option("--help", action = "help", help = "show this help message and exit")
(options, args) = parser.parse_args()

# XX Load callable tests
try:
    qaapi = QAAPI(globals(), 
	 config = options.config, 
	 logging = options.log,
	 verbose = options.verbose)
    config = qaapi.config
    plcapi = config.api
    auth = config.auth
except Exception, err:
    raise

# If called by a script
if len(sys.argv) > 1 and os.path.exists(sys.argv[1]):
    # Pop us off the argument stack
    sys.argv.pop(0)
    execfile(sys.argv[0])

else:
    prompt = "[QA]"
    
     # Readline and tab completion support
    import atexit
    import readline
    import rlcompleter

    print 'Type "help" for more information.'
    # Load command history
    history_path = os.path.join(os.environ["HOME"], ".qa_history")
    try:
        file(history_path, 'a').close()
        readline.read_history_file(history_path)
        atexit.register(readline.write_history_file, history_path)
    except IOError:
        pass

    # Enable tab completion
    readline.parse_and_bind("tab: complete")

    try:
        while True:
            command = ""
            while True:
                # Get line
                try:
                    if command == "":
                        sep = ">>> "
                    else:
                        sep = "... "
                    line = raw_input(prompt + sep)
                # Ctrl-C
                except KeyboardInterrupt:
                    command = ""
                    print
                    break

                # Build up multi-line command
                command += line

                # Blank line or first line does not end in :
                if line == "" or (command == line and line[-1] != ':'):
                    break

                command += os.linesep

	    # Blank line
            if command == "":
                continue
            # Quit
            elif command in ["q", "quit", "exit"]:
                break

            try:
                try:
                    # Try evaluating as an expression and printing the result
                    result = eval(command)
                    if result is not None:
                        print result
                except SyntaxError:
                    # Fall back to executing as a statement
                    exec command
            except Exception, err:
                print_exc()

    except EOFError:
        print
        pass