""" RepList.py (C)2008 Don A. Hanlen
    I make no claims, and take no reponsibility, for use or abuse of this code!
    I require those who DO use it to cite its source!
    If this code is used for commercial purposes I expect a (negotiable) cut!

    This file is rsponsible for maintaining reputation info for rePYbot(c).
    Adjunct files:
        rbos.py

    repDict = {}        ##  reputation dictionary
    ##    entry = ['NaMe': [int:reputation,
    ##                     ['complainers', etc],
    ##                     ['vouchers', etc],
    ##                     ['complaints', etc],
    ##                     [int:compNNs, etc],
    ##                     ['vouches', etc],
    ##                     [int:vouchNNs, etc]]]
"""

import rbos
from string import split

True  = 1==1
False = not True

class RepList:
    """ maintain reputation list
    """
    def __init__(self, filename):
        """ fname is sans extension
        """
        self.repDict = {}
        self.filename = filename
        self.getrepDict(self.filename)

    def repList(self, asker, user, ftell):
        """ output a reputation list using exterior function ftell
        """
        if self.repDict.has_key(user):
            ftell(asker, "%s's complainers %s" %(user, self.repDict[user][1]))
            ftell(asker, "%s's    vouchers %s" %(user, self.repDict[user][2]))
            ftell(asker, "%s's  complaints %s" %(user, self.repDict[user][3]))
            ftell(asker, "%s's     vouches %s" %(user, self.repDict[user][5]))
        else:
            ftell(asker, "I have no registered info about %s." %user)

    def dRep(self, name):
        """ return name's reputation
        """
        if self.repDict.has_key(name):
            return self.repDict[name][0]
        return 0

    def hasTouched(self, name1, name2):
        """ True if vouch/complaint BY name2 ABOUT name1 else False """
        if self.repDict.has_key(name1) and (
            name2 in self.repDict[name1][1] or
            name2 in self.repDict[name1][2]):
            return True
        return False

    def getrepDict(self, fileName):
        """ read reputation data from file
            make a .back first, in case the .bck file ops screw up
        """
        rbos.copy(fileName+'.txt', fileName+'.back')
        fRep = open(fileName+'.txt', 'r')
        t = fRep.read()
        fRep.close()
        t = split(t, '\n')

        for x in t:
            xs = split(x)
            if len(xs)==4:
                if xs[3] == 'c':
                    self.repComplain(xs[:-1], False)
                elif xs[3] == 'v':
                    self.repVouch(xs[:-1], False)

    def repVouch(self, xs, dump=True):
        """ ['voucher', 'vouchee', int:weight], refrestDict
            return "Voucher registered."
        """
        if self.repDict.has_key(xs[0]):
            if xs[1] in self.repDict[xs[0]][5]:
                return "You have already vouched %s." %xs[1]
            if xs[1] in self.repDict[xs[0]][3]:
                return "You have to withdraw your complaint about %s first." %xs[1]
            p = self.insertPos(xs[1], self.repDict[xs[0]][5])
            self.repDict[xs[0]][5].insert(p, xs[1])
            self.repDict[xs[0]][6].insert(p, int(xs[2]))
        else:
            self.repDict[xs[0]] = [0,[],[],[],[],[xs[1]],[int(xs[2])]]
        if self.repDict.has_key(xs[1]):
            p = self.insertPos(xs[0], self.repDict[xs[1]][2])
            self.repDict[xs[1]][2].insert(p, xs[0])
            self.repDict[xs[1]][0] = self.repDict[xs[1]][0] + int(xs[2])
        else:
            self.repDict[xs[1]] = [int(xs[2]),[],[xs[0]],[],[],[],[]]
        if dump:
            self.dumprepDict()
        return "Voucher registered."

    def repComplain(self, xs, dump=True):
        """ ['complainer', 'complainee', int:weight], refreshDict
            return "Complaint registered."
        """
        if self.repDict.has_key(xs[0]):
            if xs[1] in self.repDict[xs[0]][3]:
                return "You have already complained about %s." %xs[1]
            if xs[1] in self.repDict[xs[0]][5]:
                return "You have to withdraw your vouch for %s first." %xs[1]
            p = self.insertPos(xs[1], self.repDict[xs[0]][3])
            self.repDict[xs[0]][3].insert(p, xs[1])
            self.repDict[xs[0]][4].insert(p, int(xs[2]))
        else:
            self.repDict[xs[0]] = [0,[],[],[xs[1]],[int(xs[2])],[],[]]
        if self.repDict.has_key(xs[1]):
            p = self.insertPos(xs[0], self.repDict[xs[1]][1])
            self.repDict[xs[1]][1].insert(p, xs[0])
            self.repDict[xs[1]][0] = self.repDict[xs[1]][0] - int(xs[2])
        else:
            self.repDict[xs[1]] = [-int(xs[2]),[xs[0]],[],[],[],[],[]]
        if dump:
            self.dumprepDict()
        return "Complaint registered."

    def insertPos(self, lName, lList):
        """ return int:p = alphabetical insert position in a list.
        """
        p = 0
        for x in lList:
            if lName > x:
                p = p + 1
        return p

    def repWithdraw(self, xs, dump=True):
        """ ['withdrawer', 'withdrawee']
                return "Vouch withdrawn."
                | "You have no vouches or complaints for %s" % xs[1]
        """
        if self.repDict.has_key(xs[0]) and self.repDict.has_key(xs[1]):
            if xs[1] in self.repDict[xs[0]][3]:
                p = self.repDict[xs[0]][3].index(xs[1])
                self.repDict[xs[0]][3].pop(p)
                change = self.repDict[xs[0]][4].pop(p)
                self.repDict[xs[1]][0] = self.repDict[xs[1]][0] + change
                p = self.repDict[xs[1]][1].index(xs[0])
                self.repDict[xs[1]][1].pop(p)
                if dump:
                    self.dumprepDict()
                return "Complaint withdrawn."
            if xs[1] in self.repDict[xs[0]][5]:
                p = self.repDict[xs[0]][5].index(xs[1])
                self.repDict[xs[0]][5].pop(p)
                change = self.repDict[xs[0]][6].pop(p)
                self.repDict[xs[1]][0] = self.repDict[xs[1]][0] - change
                p = self.repDict[xs[1]][2].index(xs[0])
                self.repDict[xs[1]][2].pop(p)
                if dump:
                    self.dumprepDict()
                return "Vouch withdrawn."
        return "You have no vouches or complaints for %s" % xs[1]

    def dumprepDict(self):
        """ back up and save reputation dictionary to a file .bck, not .back
        """
        fRep = rbos.backupOpen(self.filename, 'txt')
        for x in self.repDict.keys():
            for i in range(0, len(self.repDict[x][3])):
                fRep.write("%s %s %d c\n"
                           %(x, self.repDict[x][3][i], self.repDict[x][4][i]))
            for i in range(0, len(self.repDict[x][5])):
                fRep.write("%s %s %d v\n"
                           %(x, self.repDict[x][5][i], self.repDict[x][6][i]))
        fRep.close()