#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# (c) Copyright 2003-2006 Hewlett-Packard Development Company, L.P.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# Author: Don Welch
#

__version__ = '1.6'
__title__ = 'Printer Cartridge Color Calibration Utility'
__doc__ = "Perform color calibration on HPLIP supported inkjet printers. (Note: Not all printers require the use of this utility)."

# Std Lib
import sys
import re
import getopt


# Local
from base.g import *
from base import device, status, utils, maint
from prnt import cups

USAGE = [(__doc__, "", "name", True),
         ("Usage: hp-colorcal [PRINTER|DEVICE-URI] [OPTIONS]", "", "summary", True),
         utils.USAGE_ARGS,
         utils.USAGE_DEVICE,
         utils.USAGE_PRINTER,
         utils.USAGE_SPACE,
         utils.USAGE_OPTIONS,
         utils.USAGE_BUS1, utils.USAGE_BUS2,
         utils.USAGE_LOGGING1, utils.USAGE_LOGGING2, utils.USAGE_LOGGING3,
         utils.USAGE_HELP,
         utils.USAGE_EXAMPLES,
         ("""Color calibrate CUPS printer named 'hp5550':""", """$ hp-colorcal -php5550""",  "example", False),
         ("""Color calibrate printer with URI of 'hp:/usb/DESKJET_990C?serial=12345':""", """$ hp-colorcal -dhp:/usb/DESKJET_990C?serial=12345""", 'example', False),
         utils.USAGE_SPACE,
         utils.USAGE_NOTES,
         utils.USAGE_STD_NOTES1, utils.USAGE_STD_NOTES2, 
         utils.USAGE_SEEALSO,
         ("hp-clean", "", "seealso", False),
         ("hp-colorcal", "", "seealso", False),
         
         ]
         
    
def usage(typ='text'):
    if typ == 'text':
        utils.log_title(__title__, __version__)
        
    utils.format_text(USAGE, typ, __title__, 'hp-colorcal', __version__)
    sys.exit(0)
    

def enterNumber(text, minimum, maximum):
    while True:
        x = raw_input(utils.bold(text))
        try:
            x = int(x)
        except ValueError:
            log.error("You must enter a numeric value.")
            continue
        if x < minimum or x > maximum:
            log.error("You must enter a number between %d and %d." % (minimum, maximum))
            continue
        break

    return True, x

def enterAlignmentNumber(letter, hortvert, colors, minimum, maximum):
    return enterNumber("Enter the best aligned value for line %s (%d-%d): " % (letter, minimum, maximum),
                        minimum,
                        maximum)

def enterPaperEdge(maximum):
    return enterNumber("Enter numbered arrow that is best aligned with the paper edge (1-%d): " % maximum,
                        1,
                        maximum)

def colorAdj(line, maximum):
    return enterNumber("Enter the numbered box on line %s that is best color matched to the background color (1-%d): " % (line, maximum),
                        1,
                        maximum)

def colorCal():
    return enterNumber("""Enter the numbered image labeled "1" thru "7" that is best color matched to the image labeled "X""", 1, 7)

def colorCal2():
    return enterNumber("""Select the number between 1 and 81 of the numbered patch that best matches the background.""", 1, 81)

def loadPlainPaper():
    x = raw_input(utils.bold("An alignment page will be printed.\nPlease load plain paper into the printer. Press <Enter> to contine or 'q' to quit."))
    if len(x) > 0 and x[0].lower() == 'q':
        return False
    return True

def invalidPen():
    log.error("Invalid cartridge(s) installed.\nPlease install valid cartridges and try again.")

def photoPenRequired():
    log.error("Photo cartridge not installed.\nPlease install the photo cartridge and try again.")

def photoPenRequired2():
    log.error("Photo cartridge or photo blue cartridge not installed.\nPlease install the photo (or photo blue) cartridge and try again.")


def colorCal4():
    log.info("""Instructions:\n1. Hold the calibration page at arm's length in front of your eyes.
2. Tilt the page away from you. Look at the two large squares, each containing colored patches. For each large square, find the colored path that most closely matches the background color. Each patch has an associated letter and number.
""")
    values = [0, 0, 0, 0]
    ok = True
    while True:
        x = raw_input(utils.bold("""Enter the letter ('A' thru 'N') and number (1 thru 14) for the gray plot (eg, "C5") or "q" to quit: """))
        
        if x.lower().strip() == 'q':
            ok = False
            break
            
        if x.lower().strip() == 'd': # use defaults
            values[0], values[1] = -1, -1
            break
        
        if len(x) < 2:
            log.error("You must enter at least two characters (a letter and a number)")
            continue
            
        if len(x) > 3:
            log.error('Enter only a single letter and a one or two digit number (eg, "C5").')
            continue
            
        letter = x[0].lower()
        
        if letter not in 'abcdefghijklmn':
            log.error("You must enter a letter 'A' thru 'N'")
            continue
        
        try:
            number = int(x[1:])
        except ValueError:
            log.error("You must enter a letter 'A' thru 'N' followed by a number 1 thru 14.")
            continue
            
        if number < 0 or number > 14:
            log.error("You must enter a letter 'A' thru 'N' followed by a number 1 thru 14.")
            continue
            
        values[0] = ord(str(letter).upper()) - ord('A')
        values[1] = number - 1
        break
    
    if ok:
        while True:
            x = raw_input(utils.bold("""Enter the letter ('P' thru 'V') and number (1 thru 7) for the color plot (eg, "R3") or "q" to quit: """))
            
            if x.lower().strip() == 'q':
                ok = False
                break
                
            if x.lower().strip() == 'd': # use defaults
                values[2], values[3] = -1, -1
                break
    
            if len(x) < 2:
                log.error("You must enter at least two characters (a letter and a number)")
                continue
                
            if len(x) > 3:
                log.error('Enter only a single letter and a one or two digit number (eg, "R3").')
                continue
                
            letter = x[0].lower()
            
            if letter not in 'pqrstuv':
                log.error("You must enter a letter 'P' thru 'V'")
                continue
            
            try:
                number = int(x[1:])
            except ValueError:
                log.error("You must enter a letter 'P' thru 'V' followed by a number 1 thru 7.")
                continue
                
            if number < 0 or number > 7:
                log.error("You must enter a letter 'P' thru 'V' followed by a number 1 thru 7.")
                continue
                
            values[2] = ord(str(letter).upper()) - ord('P')
            values[3] = number - 1
            break
    
    return ok, values

    
    
log.set_module("hp-colorcal")

try:
    opts, args = getopt.getopt(sys.argv[1:],
                                'p:d:hl:b:g',
                                ['printer=',
                                  'device=',
                                  'help',
                                  'help-rest',
                                  'help-man',
                                  'help-desc',
                                  'logging=',
                                  'bus='
                                ]
                              )
except getopt.GetoptError:
    usage()

printer_name = None
device_uri = None
bus = device.DEFAULT_PROBE_BUS
log_level = logger.DEFAULT_LOG_LEVEL

if os.getenv("HPLIP_DEBUG"):
    log.set_level('debug')

for o, a in opts:

    if o in ('-h', '--help'):
        usage()

    elif o == '--help-rest':
        usage('rest')
        
    elif o == '--help-man':
        usage('man')
        
    elif o == '--help-desc':
        print __doc__,
        sys.exit(0)

    elif o in ('-p', '--printer'):
        if a.startswith('*'):
            printer_name = cups.getDefault()
        else:
            printer_name = a

    elif o in ('-d', '--device'):
        device_uri = a

    elif o in ('-b', '--bus'):
        bus = a.lower().strip()
        if not device.validateBusList(bus):
            usage()

    elif o in ('-l', '--logging'):
        log_level = a.lower().strip()
        if not log.set_level(log_level):
            usage()
            
    elif o == '-g':
        log.set_level('debug')
        


if device_uri and printer_name:
    log.error("You may not specify both a printer (-p) and a device (-d).")
    usage()

utils.log_title(__title__, __version__)
    
if not device_uri and not printer_name:
    try:
        device_uri = device.getInteractiveDeviceURI(bus)
        if device_uri is None:
            sys.exit(1)
    except Error:
        log.error( "Error occured during interactive mode. Exiting." )
        sys.exit(1)

try:
    d = device.Device(device_uri, printer_name)
except Error, e:
    log.error("Unable to open device: %s" % e.msg)
    sys.exit(1)

if d.device_uri is None and printer_name:
    log.error("Printer '%s' not found." % printer_name)
    sys.exit(1)

if d.device_uri is None and device_uri:
    log.error("Malformed/invalid device-uri: %s" % device_uri)
    sys.exit(1)

try:
    try:
        d.open()
    except Error:
        log.error("Unable to print to printer. Please check device and try again.")
        sys.exit(1)
    
    if d.isIdleAndNoError():
        color_cal_type = d.mq.get('color-cal-type', 0)
        log.debug("Color calibration type=%d" % color_cal_type)
        
        if color_cal_type == 0:
            log.error("Color calibration not supported or required by device.")
            sys.exit(1)
        
        elif color_cal_type == COLOR_CAL_TYPE_DESKJET_450:
            maint.colorCalType1(d, loadPlainPaper, colorCal, photoPenRequired)
        
        elif color_cal_type == COLOR_CAL_TYPE_MALIBU_CRICK:
            maint.colorCalType2(d, loadPlainPaper, colorCal2, invalidPen)
        
        elif color_cal_type == COLOR_CAL_TYPE_STRINGRAY_LONGBOW_TORNADO:
            maint.colorCalType3(d, loadPlainPaper, colorAdj, photoPenRequired2)
        
        elif color_cal_type == COLOR_CAL_TYPE_CONNERY: # 4
            maint.colorCalType4(d, loadPlainPaper, colorCal4, None)
            
        elif color_cal_type == COLOR_CAL_TYPE_COUSTEAU: # 5
            maint.colorCalType5(d, loadPlainPaper)
        else:
            log.error("Invalid color calibration type.")
    
    else:
        log.error("Device is busy or in an error state. Please check device and try again.")
        sys.exit(1)
finally:
    d.close()

log.info("")
log.info('Done')
sys.exit(0)