# this is the prototypical class for workstation, server, and kickstart 
# installs
#
# The interface to BaseInstallClass is *public* -- ISVs/OEMs can customize the
# install by creating a new derived type of this class.

# putting these here is a bit of a hack, but we can't switch between
# newtfsedit and gnomefsedit right now, so we have to put up with this
FSEDIT_CLEAR_LINUX  = (1 << 1)
FSEDIT_CLEAR_ALL    = (1 << 2)
FSEDIT_USE_EXISTING = (1 << 3)

import gettext_rh, os, iutil
import string
from xf86config import XF86Config
from translate import _
from instdata import InstallData

class BaseInstallClass:
    # default to not being hidden
    hidden = 0
    pixmap = None

    # don't select this class by default
    default = 0

    # don't force text mode
    forceTextMode = 0

    # by default, place this under the "install" category; it gets it's
    # own toplevel category otherwise
    parentClass = ( _("Install"), "install.png" )

    # we can use a different install data class
    installDataClass = InstallData

    def postAction(self, rootPath, serial):
	pass

    def setLiloInformation(self, location, linear = 1, appendLine = None):
	# this throws an exception if there is a problem
	["mbr", "partition", None].index(location)

	self.lilo = (location, linear, appendLine)

    def setClearParts(self, clear, warningText = None):
	self.clearParts = clear
        # XXX hack for install help text in GUI mode
        if clear == FSEDIT_CLEAR_LINUX:
            self.clearType = "wkst"
        if clear == FSEDIT_CLEAR_ALL:
            self.clearType = "svr"        
	self.clearPartText = warningText

    def getClearParts(self):
        return self.clearParts

    def getLiloInformation(self):
	return self.lilo

    def getFstab(self):
	return self.fstab

    def addRaidEntry(self, mntPoint, raidDev, level, devices):
	# throw an exception for bad raid levels
	[ 0, 1, 5 ].index(level)

	for device in devices:
	    found = 0

            for (otherMountPoint, sizespc, (devX, partX, primOnlyX), typespecX, fsoptsX) in self.partitions:
		if otherMountPoint == device:
		    found = 1

            # check prexisting partions specified in ks.cfg with --usepart
            if not found:
                for (otherMountPoint, (devX, fstypeX, reformatX)) in self.fstab:
                    if otherMountPoint == device:
                        found = 1
                
	    if not found:
		raise ValueError, "unknown raid device %s" % (device,)
	if mntPoint[0] != '/' and mntPoint != 'swap':
	    raise ValueError, "bad raid mount point %s" % (mntPoint,)
	if raidDev[0:2] != "md":
	    raise ValueError, "bad raid device point %s" % (raidDev,)
	if level == 5 and len(devices) < 3:
	    raise ValueError, "raid 5 arrays require at least 3 devices"
	if len(devices) < 2:
	    raise ValueError, "raid arrays require at least 2 devices"

	self.raidList.append(mntPoint, raidDev, level, devices)


    def addNewPartition(self, mntPoint, sizespec, locspec, typespec, fsopts=None):
        (device, part, primOnly) = locspec
        
	if not device:
            device = ""
        
	if mntPoint[0] != '/' and mntPoint != 'swap' and \
		mntPoint[0:5] != "raid.":
	    raise TypeError, "bad mount point for partitioning: %s" % \
		    (mntPoint,)

	self.partitions.append((mntPoint, sizespec, (device, part, primOnly),typespec, fsopts))

    def addToFstab(self, mntpoint, dev, fstype = "ext2" , reformat = 1):
	self.fstab.append((mntpoint, (dev, fstype, reformat)))

    def setSteps(self, dispatch):
	dispatch.setStepList(
		 "language",
		 "keyboard",
		 "mouse",
		 "welcome",
		 "installtype",
                 "partition",
		 "partitiondone",
		 "bootloader",
		 "network",
		 "firewall",
		 "languagesupport",
		 "timezone",
		 "accounts",
		 "authentication",
		 "readcomps",
		 "package-selection",
                 "handleX11pkgs",
		 "checkdeps",
		 "dependencies",
		 "videocard",
		 "monitor",
		 "xcustom",
		 "confirminstall",
		 "enablefilesystems",
		 "install",
		 "installpackages",
		 "writeconfig",
		 "instbootloader",
		 "writexconfig",
		 "writeksconfig",
		 "bootdisk",
		 "complete"
		)

        if iutil.getArch() == "alpha" or iutil.getArch() == "ia64":
	    dispatch.skipStep("bootdisk")

    # This is called after the hdlist is read in.
    def setPackageSelection(self, hdlist):
	pass

    # This is called after the comps is read in (after setPackageSelection()).
    # It can both select groups, change the default selection for groups, and
    # change which groups are hidden.
    def setGroupSelection(self, comps):
	pass

    # this is a utility function designed to be called from setGroupSelection()
    # it hides all of the groups not in the "groups" list
    def showGroups(self, comps, groups):
	groupSet = {}

	for group in groups:
	    if type(group) == type("a"):
		groupSet[group] = None
	    else:
		(group, val) = group
		groupSet[group] = val
	    
	for comp in comps:
	    if groupSet.has_key(comp.name):
		comp.hidden = 0

		# do nothing if groupSet[comp.name] == None
		if groupSet[comp.name] == 1:
		    comp.select()
		elif groupSet[comp.name] == 0:
		    comp.unselect(0)
	    else:
		comp.hidden = 1

    def getMakeBootdisk(self):
	return self.makeBootdisk

    def setMakeBootdisk(self, state):
	self.makeBootdisk = state 

    def setZeroMbr(self, state):
	self.zeroMbr = state

    def setEarlySwapOn(self, state = 0):
	self.earlySwapOn = state

    def setDesktop(self, desktop):
        self.desktop = desktop

    def getDesktop(self):
        return self.desktop

    def setKeyboard(self, id, kb):
	id.keyboard.set(kb)

	# XXX
	#xkb = todo.keyboard.getXKB ()

	#if xkb:
	    #apply (todo.x.setKeyboard, xkb)

	    ## hack - apply to instclass preset if present as well
	    #if (todo.instClass.x):
		#apply (todo.instClass.x.setKeyboard, xkb)

    def setHostname(self, id, hostname):
	id.network.setHostname(hostname);

    def setTimezoneInfo(self, id, timezone, asUtc = 0, asArc = 0):
	id.timezone.setTimezoneInfo(timezone, asUtc, asArc)

    def setRootPassword(self, id, pw, isCrypted = 0):
	id.rootPassword.set(pw, isCrypted)

    def setAuthentication(self, id, useShadow, useMd5,
                          useNIS = 0, nisDomain = "",  nisBroadcast = 0,
                          nisServer = "",
                          useLdap = 0, useLdapauth = 0, ldapServer = "",
                          ldapBasedn = "",
                          useKrb5 = 0, krb5Realm = "", krb5Kdc = "",
                          krb5Admin = "",
                          useHesiod = 0, hesiodLhs = "", hesiodRhs = ""):

        id.auth.useShadow = useShadow
        id.auth.useMD5 = useMd5

        id.auth.useNIS = useNIS
        id.auth.nisDomain = nisDomain
        id.auth.nisuseBroadcast = nisBroadcast
        id.auth.nisServer = nisServer

        id.auth.useLdap = useLdap
        id.auth.useLdapauth = useLdapauth
        id.auth.ldapServer = ldapServer
        id.auth.ldapBasedn = ldapBasedn

        id.auth.useKrb5 = useKrb5
        id.auth.krb5Realm = krb5Realm
        id.auth.krb5Kdc = krb5Kdc
        id.auth.krb5Admin = krb5Admin

        id.auth.useHesiod = useHesiod
        id.auth.hesiodLhs = hesiodLhs
        id.auth.hesiodRhs = hesiodRhs

    def setNetwork(self, id, bootProto, ip, netmask, gateway, nameserver,
		   device = None):
	if bootProto:
	    id.network.gateway = gateway
	    id.network.primaryNS = nameserver

	    devices = id.network.available ()
	    if (devices and bootProto):
		if not device:
		    list = devices.keys ()
		    list.sort()
		    device = list[0]
		dev = devices[device]
                dev.set (("bootproto", bootProto))
                dev.set (("onboot", "yes"))
                if bootProto == "static":
                    if (ip):
                        dev.set (("ipaddr", ip))
                    if (netmask):
                        dev.set (("netmask", netmask))

    def setLanguageSupport(self, id, langlist):
	if len (langlist) == 0:
	    id.langSupport.setSupported(id.langSupport.getAllSupported())
	else:
	    newlist = []
	    for lang in langlist:
		newlist.append(id.langSupport.getLangNameByNick(lang))
	    id.langSupport.setSupported(newlist)

    def setLanguageDefault(self, id, default):
	id.langSupport.setDefault(id.langSupport.getLangNameByNick(default))

    def setLanguage(self, id, lang):
	instLangName = id.instLanguage.getLangNameByNick(lang)
	id.instLanguage.setRuntimeLanguage(instLangName)

    def setDesktop(self, id, desktop):
	id.desktop.setDefaultDesktop (desktop)

    def setFirewall(self, id, enable = -1, policy = 1, trusts = [], ports = "",
		    dhcp = 0, ssh = 0, telnet = 0, smtp = 0, http = 0,
		    ftp = 0):
	id.firewall.enabled = enable
	id.firewall.policy = policy
	id.firewall.trustdevs = trusts
	id.firewall.portlist = ports
	id.firewall.dhcp = dhcp
	id.firewall.ssh = ssh
	id.firewall.telnet = telnet
	id.firewall.smtp = smtp
	id.firewall.http = http
	id.firewall.ftp = ftp


    def configureX(self, id, server = None, card = None, videoRam = None, monitorName = None, hsync = None, vsync = None, resolution = None, depth = None, noProbe = 0, startX = 0):
        import videocard
        import monitor

        # XXX they could have sensitive hardware, but we need this info =\
        videohw = videocard.VideoCardInfo()
        if videohw:
            id.setVideoCard(videohw)            
            
        if (not noProbe):
            monitorhw = monitor.MonitorInfo()

            if monitorhw:
                id.setMonitor(monitorhw)

        if id.videocard and not id.videocard.primaryCard().getXServer():
            if (card != None):
                vc = id.videocard.locateVidcardByName(card)
            elif (server != None):
                vc = id.videocard.locateVidcardByServer(server)
            else:
                raise RuntimeError, "Could not probe video card and no fallback specified"
            id.videocard.setVidcard(vc)

        if videoRam in id.videocard.possible_ram_sizes():
            id.videocard.primaryCard().setVideoRam(videoRam)

        if (id.monitor.getMonitorID() != "Unprobed monitor") and monitorName:
            (model, eisa, vert, horiz) = id.monitor.lookupMonitor(monitorName)
            id.monitor.setSpecs(horiz, vert, id=model, name=model)
        elif hsync and vsync:
            id.monitor.setSpecs(hsync, vsync)
        else:
            raise RuntimeError, "Could not probe monitor and no fallback specified"

        if startX:
            id.desktop.setDefaultRunLevel(5)
        else:
            id.desktop.setDefaultRunLevel(3)

        import xf86config
        xcfg = xf86config.XF86Config(id.videocard, id.monitor, id.mouse)

        available = xcfg.availableModes()
        
        if resolution and depth:
            if depth not in id.videocard.possible_depths():
                raise RuntimeError, "Invalid depth specified"
            # XXX should we fallback to our "best possible" here?
            if resolution not in available[depth]:
                raise RuntimeError, "Selected resolution and bitdepth not possible with video ram detected.  Perhaps you need to specify video ram"
        else:
            if len(available) == 1:
                depth = "8"
            elif len(available) >= 2:
                depth = "16"

            if "1024x768" in available[depth]:
                resolution = "1024x768"
            elif "800x600" in available[depth]:
                resolution = "800x600" 
            else:
                resolution = "640x480"

        xcfg.setManualModes( { depth: [ resolution ] } )
        id.setXconfig(xcfg)


    def setMouse(self, id, mouseType, device = None, emulThree = -1):
        import mouse

        # blindly trust what we're told
        mouse = mouse.Mouse(skipProbe = 1)
        mouseName = mouse.mouseToMouse()[mouseType]
        mouse.set(mouseName, emulThree, device)
        id.setMouse(mouse)
    

    def setInstallData(self, id):
	id.reset()
	id.instClass = self

	# Classes should call these on __init__ to set up install data
	#id.setKeyboard()
	#id.setLanguage()
	#id.setNetwork()
	#id.setFirewall()
	#id.setLanguageSupport()
	#id.setLanguageDefault()
	#id.setTimezone()
	#id.setRootPassword()
	#id.setAuthentication()
	#id.setHostname()
	#id.setDesktop()
	#id.setMouse()

	# These are callbacks used to let classes configure packages
	#id.setPackageSelection()
	#id.setGroupSelection()

    def __init__(self, expert):
	pass

# we need to be able to differentiate between this and custom
class DefaultInstall(BaseInstallClass):

    def __init__(self, expert):
	BaseInstallClass.__init__(self, expert)

allClasses = []
allClasses_hidden = []

# returns ( className, classObject, classLogo ) tuples
def availableClasses(showHidden=0):
    global allClasses
    global allClasses_hidden

    if not showHidden:
        if allClasses: return allClasses
    else:
        if allClasses_hidden: return allClasses_hidden

    if os.access("installclasses", os.R_OK):
	path = "installclasses"
    else:
	path = "/usr/lib/anaconda/installclasses"

    files = os.listdir(path)
    done = {}
    list = []
    for file in files:
	if file[0] == '.': continue
        if len (file) < 4:
	    continue
	if file[-3:] != ".py" and file[-4:-1] != ".py":
	    continue
	mainName = string.split(file, ".")[0]
	if done.has_key(mainName): continue
	done[mainName] = 1

	obj = None
	name = None
	cmd = "import %s\nif %s.__dict__.has_key('InstallClass'): obj = %s.InstallClass\n" % (mainName, mainName, mainName)
	exec(cmd)

	if obj:
	    if obj.__dict__.has_key('sortPriority'):
		sortOrder = obj.sortPriority
	    else:
		sortOrder = 0

	    if obj.__dict__.has_key('arch'):
                if obj.arch != iutil.getArch ():
                    obj.hidden = 1
                
            if obj.hidden == 0 or showHidden == 1:
                list.append(((obj.name, obj, obj.pixmap), sortOrder))

    list.sort(ordering)
    for (item, priority) in list:
        if showHidden:
            allClasses_hidden.append(item)
        else:
            allClasses.append(item)

    if showHidden:
        return allClasses_hidden
    else:
        return allClasses

def ordering(first, second):
    ((name1, obj, logo), priority1) = first
    ((name2, obj, logo), priority2) = second

    if priority1 < priority2:
	return -1
    elif priority1 > priority2:
	return 1

    if name1 < name2:
	return -1
    elif name1 > name2:
	return 1

    return 0


def requireDisplayMode():
    return None