#!C:\Users\mysqldev\build\mysql-gui-win-res\python26\python.exe

import getpass
import optparse
import os.path
import sys

from mysql.utilities import VERSION_FRM
from mysql.utilities.command.proc import *
from mysql.utilities.exception import FormatError, EmptyResultError
from mysql.utilities.common.options import parse_connection
from mysql.utilities.common.options import setup_common_options
from mysql.utilities.common.options import add_verbosity

def add_pattern(option, opt, value, parser, field):
    entry = (field, value)
    try:
        getattr(parser.values, option.dest).append(entry)
    except AttributeError:
        setattr(parser.values, option.dest, [entry])

# Setup the command parser and setup server, help
parser = setup_common_options(os.path.basename(sys.argv[0]),
                              "mysqlprocgrep - search process information",
                              "%prog --server=user:pass@host:port:socket "
                              "[options]", True)
parser.add_option(
    "-G", "--basic-regexp", "--regexp",
    dest="use_regexp", action="store_true", default=False,
    help="Use 'REGEXP' operator to match pattern. Default is to use 'LIKE'.")
parser.add_option(
    "-Q", "--print-sql", "--sql",
    dest="print_sql", action="store_true", default=False,
    help="Print the statement instead of sending it to the server. If a kill option is submitted, a procedure will be generated containing the code for executing the kill.")
parser.add_option(
    "--sql-body",
    dest="sql_body", action="store_true", default=False,
    help="Only print the body of the procedure.")
parser.add_option(
    "--kill-connection",
    action="append_const", const=KILL_CONNECTION,
    dest="actions", default=[],
    help="Kill all matching connections.")
parser.add_option(
    "--kill-query",
    action="append_const", const=KILL_QUERY,
    dest="actions", default=[],
    help="Kill query for all matching processes.")
parser.add_option(
    "--print",
    action="append_const", const=PRINT_PROCESS,
    dest="actions", default=[],
    help="Print all matching processes.")

# Output format
parser.add_option(
    "-f", "--format", 
    action="store", dest="format", default="GRID",
    help="display the output in either GRID (default), "
    "TAB, CSV, or VERTICAL format")

# Add verbosity mode
add_verbosity(parser, False)

# Adding the --match-* options
for col in USER, HOST, DB, COMMAND, INFO, STATE:
    parser.add_option(
        "--match-" + col.lower(),
        action="callback", callback=add_pattern, callback_args=(col,),
        dest="matches", type="string", metavar="PATTERN", default=[],
        help="Match the '{0}' column of the PROCESSLIST table".format(col))

parser.add_option(
    "--age",
    dest="age", default=None,
    help="Only show processes that been in the current state more than a given time")

(options, args) = parser.parse_args()

_PERMITTED_FORMATS = ("GRID", "TAB", "CSV", "VERTICAL")

if options.format.upper() not in _PERMITTED_FORMATS:
    print "# WARNING : '%s' is not a valid output format. Using default." % \
          options.format
    options.format = "GRID"
else:
    options.format = options.format.upper()

# Print SQL if only --sql-body is given
if options.sql_body:
    options.print_sql = True

if (options.server is None or len(options.server) == 0) and not options.print_sql:
    parser.error("You need at least one server if you're not using the --sql option")
elif options.server is not None and len(options.server) > 0 and options.print_sql:
    parser.error("You should not include servers in the call if you are using the --sql option")

# If no option was supplied, we print the processes by default
if len(options.actions) == 0:
    options.actions.append(PRINT_PROCESS)

try:
    command = ProcessGrep(options.matches, options.actions, options.use_regexp,
                          age=options.age)
    if options.print_sql:
        print command.sql(options.sql_body).strip()
    else:
        command.execute(options.server, format=options.format)
except EmptyResultError as details:
    print >>sys.stderr, "No matches"
    exit(1)
except Exception as details:
    print >>sys.stderr, 'ERROR:', details
    exit(2)
